import unittest, warnings
from webob import Request, BaseRequest, UTC

_marker = object()

class BaseRequestTests(unittest.TestCase):
    def _makeStringIO(self, text):
        try:
            from io import BytesIO
        except ImportError: # Python < 2.6
            from StringIO import StringIO as BytesIO
        return BytesIO(text)

    def test_ctor_environ_getter_raises_WTF(self):
        self.assertRaises(TypeError, Request, {}, environ_getter=object())

    def test_ctor_wo_environ_raises_WTF(self):
        self.assertRaises(TypeError, Request, None)

    def test_ctor_w_environ(self):
        environ = {}
        req = BaseRequest(environ)
        self.assertEqual(req.environ, environ)

    def test_body_file_getter(self):
        body = 'input'
        INPUT = self._makeStringIO(body)
        environ = {'wsgi.input': INPUT, 'CONTENT_LENGTH': len(body)}
        req = BaseRequest(environ)
        self.assert_(req.body_file is INPUT)

    def test_body_file_getter_unredable(self):
        body = 'input'
        INPUT = self._makeStringIO(body)
        environ = {'wsgi.input': INPUT}
        req = BaseRequest(environ)
        assert req.body_file_raw is INPUT
        assert req.body_file is not INPUT
        assert req.body_file.read() == ''

    def test_body_file_setter_w_string(self):
        BEFORE = self._makeStringIO('before')
        AFTER = str('AFTER')
        environ = {'wsgi.input': BEFORE,
                   'CONTENT_LENGTH': len('before'),
                  }
        req = BaseRequest(environ)
        warnings.simplefilter('ignore', PendingDeprecationWarning)
        req.body_file = AFTER
        warnings.resetwarnings()
        self.assertEqual(req.content_length, len(AFTER))
        self.assertEqual(req.body_file.read(), AFTER)
        del req.body_file
        self.assertEqual(req.content_length, 0)
        assert req.is_body_seekable
        req.body_file.seek(0)
        self.assertEqual(req.body_file.read(), '')



    def test_body_file_setter_non_string(self):
        BEFORE = self._makeStringIO('before')
        AFTER =  self._makeStringIO('after')
        environ = {'wsgi.input': BEFORE,
                   'CONTENT_LENGTH': len('before'),
                  }
        req = BaseRequest(environ)
        req.body_file = AFTER
        self.assert_(req.body_file is AFTER)
        self.assertEqual(req.content_length, None)

    def test_body_file_deleter(self):
        INPUT = self._makeStringIO('before')
        environ = {'wsgi.input': INPUT,
                   'CONTENT_LENGTH': len('before'),
                  }
        req = BaseRequest(environ)
        del req.body_file
        self.assertEqual(req.body_file.getvalue(), '')
        self.assertEqual(req.content_length, 0)

    def test_body_file_raw(self):
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        self.assert_(req.body_file_raw is INPUT)

    def test_body_file_seekable_input_not_seekable(self):
        INPUT = self._makeStringIO('input')
        INPUT.seek(1, 0) # consume
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': False,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        seekable = req.body_file_seekable
        self.assert_(seekable is not INPUT)
        self.assertEqual(seekable.getvalue(), 'nput')

    def test_body_file_seekable_input_is_seekable(self):
        INPUT = self._makeStringIO('input')
        INPUT.seek(1, 0) # consume
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': True,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        seekable = req.body_file_seekable
        self.assert_(seekable is INPUT)

    def test_scheme(self):
        environ = {'wsgi.url_scheme': 'something:',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.scheme, 'something:')

    def test_method(self):
        environ = {'REQUEST_METHOD': 'OPTIONS',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.method, 'OPTIONS')

    def test_http_version(self):
        environ = {'SERVER_PROTOCOL': '1.1',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.http_version, '1.1')

    def test_script_name(self):
        environ = {'SCRIPT_NAME': '/script',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.script_name, '/script')

    def test_path_info(self):
        environ = {'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.path_info, '/path/info')

    def test_content_length_getter(self):
        environ = {'CONTENT_LENGTH': '1234',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.content_length, 1234)

    def test_content_length_setter_w_str(self):
        environ = {'CONTENT_LENGTH': '1234',
                  }
        req = BaseRequest(environ)
        req.content_length = '3456'
        self.assertEqual(req.content_length, 3456)

    def test_remote_user(self):
        environ = {'REMOTE_USER': 'phred',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.remote_user, 'phred')

    def test_remote_addr(self):
        environ = {'REMOTE_ADDR': '1.2.3.4',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.remote_addr, '1.2.3.4')

    def test_query_string(self):
        environ = {'QUERY_STRING': 'foo=bar&baz=bam',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.query_string, 'foo=bar&baz=bam')

    def test_server_name(self):
        environ = {'SERVER_NAME': 'somehost.tld',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.server_name, 'somehost.tld')

    def test_server_port_getter(self):
        environ = {'SERVER_PORT': '6666',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.server_port, 6666)

    def test_server_port_setter_with_string(self):
        environ = {'SERVER_PORT': '6666',
                  }
        req = BaseRequest(environ)
        req.server_port = '6667'
        self.assertEqual(req.server_port, 6667)

    def test_uscript_name(self):
        environ = {'SCRIPT_NAME': '/script',
                  }
        req = BaseRequest(environ)
        self.assert_(isinstance(req.uscript_name, unicode))
        self.assertEqual(req.uscript_name, '/script')

    def test_upath_info(self):
        environ = {'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assert_(isinstance(req.upath_info, unicode))
        self.assertEqual(req.upath_info, '/path/info')

    def test_content_type_getter_no_parameters(self):
        environ = {'CONTENT_TYPE': 'application/xml+foobar',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.content_type, 'application/xml+foobar')

    def test_content_type_getter_w_parameters(self):
        environ = {'CONTENT_TYPE': 'application/xml+foobar;charset="utf8"',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.content_type, 'application/xml+foobar')

    def test_content_type_setter_w_None(self):
        environ = {'CONTENT_TYPE': 'application/xml+foobar;charset="utf8"',
                  }
        req = BaseRequest(environ)
        req.content_type = None
        self.assertEqual(req.content_type, '')
        self.assert_('CONTENT_TYPE' not in environ)

    def test_content_type_setter_existing_paramter_no_new_paramter(self):
        environ = {'CONTENT_TYPE': 'application/xml+foobar;charset="utf8"',
                  }
        req = BaseRequest(environ)
        req.content_type = 'text/xml'
        self.assertEqual(req.content_type, 'text/xml')
        self.assertEqual(environ['CONTENT_TYPE'], 'text/xml;charset="utf8"')

    def test_content_type_deleter_clears_environ_value(self):
        environ = {'CONTENT_TYPE': 'application/xml+foobar;charset="utf8"',
                  }
        req = BaseRequest(environ)
        del req.content_type
        self.assertEqual(req.content_type, '')
        self.assert_('CONTENT_TYPE' not in environ)

    def test_content_type_deleter_no_environ_value(self):
        environ = {}
        req = BaseRequest(environ)
        del req.content_type
        self.assertEqual(req.content_type, '')
        self.assert_('CONTENT_TYPE' not in environ)

    def test_charset_getter_cache_hit(self):
        CT = 'application/xml+foobar'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        req._charset_cache = (CT, 'cp1252')
        self.assertEqual(req.charset, 'cp1252')

    def test_charset_getter_cache_miss_w_parameter(self):
        CT = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.charset, 'utf8')
        self.assertEqual(req._charset_cache, (CT, 'utf8'))

    def test_charset_getter_cache_miss_wo_parameter(self):
        CT = 'application/xml+foobar'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.charset, 'UTF-8')
        self.assertEqual(req._charset_cache, (CT, 'UTF-8'))

    def test_charset_setter_None_w_parameter(self):
        CT = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        req.charset = None
        self.assertEqual(environ['CONTENT_TYPE'], 'application/xml+foobar')
        self.assertEqual(req.charset, 'UTF-8')

    def test_charset_setter_empty_w_parameter(self):
        CT = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        req.charset = ''
        self.assertEqual(environ['CONTENT_TYPE'], 'application/xml+foobar')
        self.assertEqual(req.charset, 'UTF-8')

    def test_charset_setter_nonempty_w_parameter(self):
        CT = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        req.charset = 'cp1252'
        self.assertEqual(environ['CONTENT_TYPE'],
                         #'application/xml+foobar; charset="cp1252"') WTF?
                         'application/xml+foobar;charset=cp1252',
                         )
        self.assertEqual(req.charset, 'cp1252')

    def test_charset_setter_nonempty_wo_parameter(self):
        CT = 'application/xml+foobar'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        req.charset = 'cp1252'
        self.assertEqual(environ['CONTENT_TYPE'],
                         'application/xml+foobar; charset="cp1252"',
                         #'application/xml+foobar;charset=cp1252',  WTF?
                         )
        self.assertEqual(req.charset, 'cp1252')

    def test_charset_deleter_w_parameter(self):
        CT = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CT,
                  }
        req = BaseRequest(environ)
        del req.charset
        self.assertEqual(environ['CONTENT_TYPE'], 'application/xml+foobar')
        self.assertEqual(req.charset, 'UTF-8')

    def test_headers_getter_miss(self):
        CONTENT_TYPE = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CONTENT_TYPE,
                   'CONTENT_LENGTH': '123',
                  }
        req = BaseRequest(environ)
        headers = req.headers
        self.assertEqual(headers,
                        {'Content-Type': CONTENT_TYPE,
                         'Content-Length': '123'})
        self.assertEqual(req._headers, headers)

    def test_headers_getter_hit(self):
        CONTENT_TYPE = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CONTENT_TYPE,
                   'CONTENT_LENGTH': '123',
                  }
        req = BaseRequest(environ)
        req._headers = {'Foo': 'Bar'}
        self.assertEqual(req.headers,
                        {'Foo': 'Bar'})

    def test_headers_setter(self):
        CONTENT_TYPE = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CONTENT_TYPE,
                   'CONTENT_LENGTH': '123',
                  }
        req = BaseRequest(environ)
        req._headers = {'Foo': 'Bar'}
        req.headers = {'Qux': 'Spam'}
        self.assertEqual(req.headers,
                        {'Qux': 'Spam'})

    def test_no_headers_deleter(self):
        CONTENT_TYPE = 'application/xml+foobar;charset="utf8"'
        environ = {'CONTENT_TYPE': CONTENT_TYPE,
                   'CONTENT_LENGTH': '123',
                  }
        req = BaseRequest(environ)
        def _test():
            del req.headers
        self.assertRaises(AttributeError, _test)

    def test_host_url_w_http_host_and_no_port(self):
        environ = {'wsgi.url_scheme': 'http',
                   'HTTP_HOST': 'example.com',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'http://example.com')

    def test_host_url_w_http_host_and_standard_port(self):
        environ = {'wsgi.url_scheme': 'http',
                   'HTTP_HOST': 'example.com:80',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'http://example.com')

    def test_host_url_w_http_host_and_oddball_port(self):
        environ = {'wsgi.url_scheme': 'http',
                   'HTTP_HOST': 'example.com:8888',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'http://example.com:8888')

    def test_host_url_w_http_host_https_and_no_port(self):
        environ = {'wsgi.url_scheme': 'https',
                   'HTTP_HOST': 'example.com',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'https://example.com')

    def test_host_url_w_http_host_https_and_standard_port(self):
        environ = {'wsgi.url_scheme': 'https',
                   'HTTP_HOST': 'example.com:443',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'https://example.com')

    def test_host_url_w_http_host_https_and_oddball_port(self):
        environ = {'wsgi.url_scheme': 'https',
                   'HTTP_HOST': 'example.com:4333',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'https://example.com:4333')

    def test_host_url_wo_http_host(self):
        environ = {'wsgi.url_scheme': 'https',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '4333',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.host_url, 'https://example.com:4333')

    def test_application_url(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.application_url, 'http://example.com/script')

    def test_path_url(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.path_url, 'http://example.com/script/path/info')

    def test_path(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.path, '/script/path/info')

    def test_path_qs_no_qs(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.path_qs, '/script/path/info')

    def test_path_qs_w_qs(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.path_qs, '/script/path/info?foo=bar&baz=bam')

    def test_url_no_qs(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.url, 'http://example.com/script/path/info')

    def test_url_w_qs(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.url,
                         'http://example.com/script/path/info?foo=bar&baz=bam')

    def test_relative_url_to_app_true_wo_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.relative_url('other/page', True),
                         'http://example.com/script/other/page')

    def test_relative_url_to_app_true_w_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.relative_url('/other/page', True),
                         'http://example.com/other/page')

    def test_relative_url_to_app_false_other_w_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.relative_url('/other/page', False),
                         'http://example.com/other/page')

    def test_relative_url_to_app_false_other_wo_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                   'QUERY_STRING': 'foo=bar&baz=bam'
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.relative_url('other/page', False),
                         'http://example.com/script/path/other/page')

    def test_path_info_pop_empty(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop()
        self.assertEqual(popped, None)
        self.assertEqual(environ['SCRIPT_NAME'], '/script')

    def test_path_info_pop_just_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop()
        self.assertEqual(popped, '')
        self.assertEqual(environ['SCRIPT_NAME'], '/script/')
        self.assertEqual(environ['PATH_INFO'], '')

    def test_path_info_pop_non_empty_no_pattern(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop()
        self.assertEqual(popped, 'path')
        self.assertEqual(environ['SCRIPT_NAME'], '/script/path')
        self.assertEqual(environ['PATH_INFO'], '/info')

    def test_path_info_pop_non_empty_w_pattern_miss(self):
        import re
        PATTERN = re.compile('miss')
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop(PATTERN)
        self.assertEqual(popped, None)
        self.assertEqual(environ['SCRIPT_NAME'], '/script')
        self.assertEqual(environ['PATH_INFO'], '/path/info')

    def test_path_info_pop_non_empty_w_pattern_hit(self):
        import re
        PATTERN = re.compile('path')
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path/info',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop(PATTERN)
        self.assertEqual(popped, 'path')
        self.assertEqual(environ['SCRIPT_NAME'], '/script/path')
        self.assertEqual(environ['PATH_INFO'], '/info')

    def test_path_info_pop_skips_empty_elements(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '//path/info',
                  }
        req = BaseRequest(environ)
        popped = req.path_info_pop()
        self.assertEqual(popped, 'path')
        self.assertEqual(environ['SCRIPT_NAME'], '/script//path')
        self.assertEqual(environ['PATH_INFO'], '/info')

    def test_path_info_peek_empty(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '',
                  }
        req = BaseRequest(environ)
        peeked = req.path_info_peek()
        self.assertEqual(peeked, None)
        self.assertEqual(environ['SCRIPT_NAME'], '/script')
        self.assertEqual(environ['PATH_INFO'], '')

    def test_path_info_peek_just_leading_slash(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/',
                  }
        req = BaseRequest(environ)
        peeked = req.path_info_peek()
        self.assertEqual(peeked, '')
        self.assertEqual(environ['SCRIPT_NAME'], '/script')
        self.assertEqual(environ['PATH_INFO'], '/')

    def test_path_info_peek_non_empty(self):
        environ = {'wsgi.url_scheme': 'http',
                   'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '80',
                   'SCRIPT_NAME': '/script',
                   'PATH_INFO': '/path',
                  }
        req = BaseRequest(environ)
        peeked = req.path_info_peek()
        self.assertEqual(peeked, 'path')
        self.assertEqual(environ['SCRIPT_NAME'], '/script')
        self.assertEqual(environ['PATH_INFO'], '/path')

    def test_urlvars_getter_w_paste_key(self):
        environ = {'paste.urlvars': {'foo': 'bar'},
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.urlvars, {'foo': 'bar'})

    def test_urlvars_getter_w_wsgiorg_key(self):
        environ = {'wsgiorg.routing_args': ((), {'foo': 'bar'}),
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.urlvars, {'foo': 'bar'})

    def test_urlvars_getter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        self.assertEqual(req.urlvars, {})
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {}))

    def test_urlvars_setter_w_paste_key(self):
        environ = {'paste.urlvars': {'foo': 'bar'},
                  }
        req = BaseRequest(environ)
        req.urlvars = {'baz': 'bam'}
        self.assertEqual(req.urlvars, {'baz': 'bam'})
        self.assertEqual(environ['paste.urlvars'], {'baz': 'bam'})
        self.assert_('wsgiorg.routing_args' not in environ)

    def test_urlvars_setter_w_wsgiorg_key(self):
        environ = {'wsgiorg.routing_args': ((), {'foo': 'bar'}),
                   'paste.urlvars': {'qux': 'spam'},
                  }
        req = BaseRequest(environ)
        req.urlvars = {'baz': 'bam'}
        self.assertEqual(req.urlvars, {'baz': 'bam'})
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {'baz': 'bam'}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlvars_setter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        req.urlvars = {'baz': 'bam'}
        self.assertEqual(req.urlvars, {'baz': 'bam'})
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {'baz': 'bam'}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlvars_deleter_w_paste_key(self):
        environ = {'paste.urlvars': {'foo': 'bar'},
                  }
        req = BaseRequest(environ)
        del req.urlvars
        self.assertEqual(req.urlvars, {})
        self.assert_('paste.urlvars' not in environ)
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {}))

    def test_urlvars_deleter_w_wsgiorg_key_non_empty_tuple(self):
        environ = {'wsgiorg.routing_args': (('a', 'b'), {'foo': 'bar'}),
                   'paste.urlvars': {'qux': 'spam'},
                  }
        req = BaseRequest(environ)
        del req.urlvars
        self.assertEqual(req.urlvars, {})
        self.assertEqual(environ['wsgiorg.routing_args'], (('a', 'b'), {}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlvars_deleter_w_wsgiorg_key_empty_tuple(self):
        environ = {'wsgiorg.routing_args': ((), {'foo': 'bar'}),
                   'paste.urlvars': {'qux': 'spam'},
                  }
        req = BaseRequest(environ)
        del req.urlvars
        self.assertEqual(req.urlvars, {})
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlvars_deleter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        del req.urlvars
        self.assertEqual(req.urlvars, {})
        self.assertEqual(environ['wsgiorg.routing_args'], ((), {}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlargs_getter_w_paste_key(self):
        environ = {'paste.urlvars': {'foo': 'bar'},
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.urlargs, ())

    def test_urlargs_getter_w_wsgiorg_key(self):
        environ = {'wsgiorg.routing_args': (('a', 'b'), {'foo': 'bar'}),
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.urlargs, ('a', 'b'))

    def test_urlargs_getter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        self.assertEqual(req.urlargs, ())
        self.assert_('wsgiorg.routing_args' not in environ)

    def test_urlargs_setter_w_paste_key(self):
        environ = {'paste.urlvars': {'foo': 'bar'},
                  }
        req = BaseRequest(environ)
        req.urlargs = ('a', 'b')
        self.assertEqual(req.urlargs, ('a', 'b'))
        self.assertEqual(environ['wsgiorg.routing_args'],
                         (('a', 'b'), {'foo': 'bar'}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlargs_setter_w_wsgiorg_key(self):
        environ = {'wsgiorg.routing_args': ((), {'foo': 'bar'}),
                  }
        req = BaseRequest(environ)
        req.urlargs = ('a', 'b')
        self.assertEqual(req.urlargs, ('a', 'b'))
        self.assertEqual(environ['wsgiorg.routing_args'],
                         (('a', 'b'), {'foo': 'bar'}))

    def test_urlargs_setter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        req.urlargs = ('a', 'b')
        self.assertEqual(req.urlargs, ('a', 'b'))
        self.assertEqual(environ['wsgiorg.routing_args'],
                         (('a', 'b'), {}))
        self.assert_('paste.urlvars' not in environ)

    def test_urlargs_deleter_w_wsgiorg_key(self):
        environ = {'wsgiorg.routing_args': (('a', 'b'), {'foo': 'bar'}),
                  }
        req = BaseRequest(environ)
        del req.urlargs
        self.assertEqual(req.urlargs, ())
        self.assertEqual(environ['wsgiorg.routing_args'],
                         ((), {'foo': 'bar'}))

    def test_urlargs_deleter_w_wsgiorg_key_empty(self):
        environ = {'wsgiorg.routing_args': ((), {}),
                  }
        req = BaseRequest(environ)
        del req.urlargs
        self.assertEqual(req.urlargs, ())
        self.assert_('paste.urlvars' not in environ)
        self.assert_('wsgiorg.routing_args' not in environ)

    def test_urlargs_deleter_wo_keys(self):
        environ = {}
        req = BaseRequest(environ)
        del req.urlargs
        self.assertEqual(req.urlargs, ())
        self.assert_('paste.urlvars' not in environ)
        self.assert_('wsgiorg.routing_args' not in environ)

    def test_str_cookies_empty_environ(self):
        req = BaseRequest({})
        self.assertEqual(req.str_cookies, {})

    def test_str_cookies_w_webob_parsed_cookies_matching_source(self):
        environ = {
            'HTTP_COOKIE': 'a=b',
            'webob._parsed_cookies': ('a=b', {'a': 'b'}),
        }
        req = BaseRequest(environ)
        self.assertEqual(req.str_cookies, {'a': 'b'})

    def test_str_cookies_w_webob_parsed_cookies_mismatched_source(self):
        environ = {
            'HTTP_COOKIE': 'a=b',
            'webob._parsed_cookies': ('a=b;c=d', {'a': 'b', 'c': 'd'}),
        }
        req = BaseRequest(environ)
        self.assertEqual(req.str_cookies, {'a': 'b'})

    def test_is_xhr_no_header(self):
        req = BaseRequest({})
        self.assert_(not req.is_xhr)

    def test_is_xhr_header_miss(self):
        environ = {'HTTP_X_REQUESTED_WITH': 'notAnXMLHTTPRequest'}
        req = BaseRequest(environ)
        self.assert_(not req.is_xhr)

    def test_is_xhr_header_hit(self):
        environ = {'HTTP_X_REQUESTED_WITH': 'XMLHttpRequest'}
        req = BaseRequest(environ)
        self.assert_(req.is_xhr)

    # host
    def test_host_getter_w_HTTP_HOST(self):
        environ = {'HTTP_HOST': 'example.com:8888'}
        req = BaseRequest(environ)
        self.assertEqual(req.host, 'example.com:8888')

    def test_host_getter_wo_HTTP_HOST(self):
        environ = {'SERVER_NAME': 'example.com',
                   'SERVER_PORT': '8888'}
        req = BaseRequest(environ)
        self.assertEqual(req.host, 'example.com:8888')

    def test_host_setter(self):
        environ = {}
        req = BaseRequest(environ)
        req.host = 'example.com:8888'
        self.assertEqual(environ['HTTP_HOST'], 'example.com:8888')

    def test_host_deleter_hit(self):
        environ = {'HTTP_HOST': 'example.com:8888'}
        req = BaseRequest(environ)
        del req.host
        self.assert_('HTTP_HOST' not in environ)

    def test_host_deleter_miss(self):
        environ = {}
        req = BaseRequest(environ)
        del req.host # doesn't raise

    # body
    def test_body_getter(self):
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': True,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        self.assertEqual(req.body, 'input')
        self.assertEqual(req.content_length, len('input'))
    def test_body_setter_None(self):
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': True,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        req.body = None
        self.assertEqual(req.body, '')
        self.assertEqual(req.content_length, 0)
        self.assert_(req.is_body_seekable)
    def test_body_setter_non_string_raises(self):
        req = BaseRequest({})
        def _test():
            req.body = object()
        self.assertRaises(TypeError, _test)
    def test_body_setter_value(self):
        BEFORE = self._makeStringIO('before')
        environ = {'wsgi.input': BEFORE,
                   'webob.is_body_seekable': True,
                   'CONTENT_LENGTH': len('before'),
                  }
        req = BaseRequest(environ)
        req.body = 'after'
        self.assertEqual(req.body, 'after')
        self.assertEqual(req.content_length, len('after'))
        self.assert_(req.is_body_seekable)
    def test_body_deleter_None(self):
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': True,
                   'CONTENT_LENGTH': len('input'),
                  }
        req = BaseRequest(environ)
        del req.body
        self.assertEqual(req.body, '')
        self.assertEqual(req.content_length, 0)
        self.assert_(req.is_body_seekable)

    def test_str_POST_not_POST_or_PUT(self):
        from webob.multidict import NoVars
        environ = {'REQUEST_METHOD': 'GET',
                  }
        req = BaseRequest(environ)
        result = req.str_POST
        self.assert_(isinstance(result, NoVars))
        self.assert_(result.reason.startswith('Not a form request'))

    def test_str_POST_existing_cache_hit(self):
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'REQUEST_METHOD': 'POST',
                   'webob._parsed_post_vars': ({'foo': 'bar'}, INPUT),
                  }
        req = BaseRequest(environ)
        result = req.str_POST
        self.assertEqual(result, {'foo': 'bar'})

    def test_str_PUT_missing_content_type(self):
        from webob.multidict import NoVars
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'REQUEST_METHOD': 'PUT',
                  }
        req = BaseRequest(environ)
        result = req.str_POST
        self.assert_(isinstance(result, NoVars))
        self.assert_(result.reason.startswith('Not an HTML form submission'))

    def test_str_PUT_bad_content_type(self):
        from webob.multidict import NoVars
        INPUT = self._makeStringIO('input')
        environ = {'wsgi.input': INPUT,
                   'REQUEST_METHOD': 'PUT',
                   'CONTENT_TYPE': 'text/plain',
                  }
        req = BaseRequest(environ)
        result = req.str_POST
        self.assert_(isinstance(result, NoVars))
        self.assert_(result.reason.startswith('Not an HTML form submission'))

    def test_str_POST_multipart(self):
        BODY_TEXT = (
            '------------------------------deb95b63e42a\n'
            'Content-Disposition: form-data; name="foo"\n'
            '\n'
            'foo\n'
            '------------------------------deb95b63e42a\n'
            'Content-Disposition: form-data; name="bar"; filename="bar.txt"\n'
            'Content-type: application/octet-stream\n'
            '\n'
            'these are the contents of the file "bar.txt"\n'
            '\n'
            '------------------------------deb95b63e42a--\n')
        INPUT = self._makeStringIO(BODY_TEXT)
        environ = {'wsgi.input': INPUT,
                   'webob.is_body_seekable': True,
                   'REQUEST_METHOD': 'POST',
                   'CONTENT_TYPE': 'multipart/form-data; '
                      'boundary=----------------------------deb95b63e42a',
                   'CONTENT_LENGTH': len(BODY_TEXT),
                  }
        req = BaseRequest(environ)
        result = req.str_POST
        self.assertEqual(result['foo'], 'foo')
        bar = result['bar']
        self.assertEqual(bar.name, 'bar')
        self.assertEqual(bar.filename, 'bar.txt')
        self.assertEqual(bar.file.read(),
                         'these are the contents of the file "bar.txt"\n')

    # POST
    # str_GET
    def test_str_GET_reflects_query_string(self):
        environ = {
            'QUERY_STRING': 'foo=123',
        }
        req = BaseRequest(environ)
        result = req.str_GET
        self.assertEqual(result, {'foo': '123'})
        req.query_string = 'foo=456'
        result = req.str_GET
        self.assertEqual(result, {'foo': '456'})
        req.query_string = ''
        result = req.str_GET
        self.assertEqual(result, {})

    def test_str_GET_updates_query_string(self):
        environ = {
        }
        req = BaseRequest(environ)
        result = req.query_string
        self.assertEqual(result, '')
        req.str_GET['foo'] = '123'
        result = req.query_string
        self.assertEqual(result, 'foo=123')
        del req.str_GET['foo']
        result = req.query_string
        self.assertEqual(result, '')

    # GET
    # str_postvars
    # postvars
    # str_queryvars
    # queryvars
    # is_xhr
    # str_params
    # params

    def test_str_cookies_wo_webob_parsed_cookies(self):
        environ = {
            'HTTP_COOKIE': 'a=b',
        }
        req = Request.blank('/', environ)
        self.assertEqual(req.str_cookies, {'a': 'b'})

    # cookies
    # copy

    def test_copy_get(self):
        environ = {
            'HTTP_COOKIE': 'a=b',
        }
        req = Request.blank('/', environ)
        clone = req.copy_get()
        for k, v in req.environ.items():
            if k in ('CONTENT_LENGTH', 'webob.is_body_seekable'):
                self.assert_(k not in clone.environ)
            elif k == 'wsgi.input':
                self.assert_(clone.environ[k] is not v)
            else:
                self.assertEqual(clone.environ[k], v)

    def test_remove_conditional_headers_accept_encoding(self):
        req = Request.blank('/')
        req.accept_encoding='gzip,deflate'
        req.remove_conditional_headers()
        self.assertEqual(bool(req.accept_encoding), False)

    def test_remove_conditional_headers_if_modified_since(self):
        from datetime import datetime
        req = Request.blank('/')
        req.if_modified_since = datetime(2006, 1, 1, 12, 0, tzinfo=UTC)
        req.remove_conditional_headers()
        self.assertEqual(req.if_modified_since, None)

    def test_remove_conditional_headers_if_none_match(self):
        req = Request.blank('/')
        req.if_none_match = 'foo, bar'
        req.remove_conditional_headers()
        self.assertEqual(bool(req.if_none_match), False)

    def test_remove_conditional_headers_if_range(self):
        req = Request.blank('/')
        req.if_range = 'foo, bar'
        req.remove_conditional_headers()
        self.assertEqual(bool(req.if_range), False)

    def test_remove_conditional_headers_range(self):
        req = Request.blank('/')
        req.range = 'bytes=0-100'
        req.remove_conditional_headers()
        self.assertEqual(req.range, None)


    # is_body_seekable
    # make_body_seekable
    # copy_body
    # make_tempfile
    # remove_conditional_headers
    # accept
    # accept_charset
    # accept_encoding
    # accept_language
    # authorization

    # cache_control
    def test_cache_control_reflects_environ(self):
        environ = {
            'HTTP_CACHE_CONTROL': 'max-age=5',
        }
        req = BaseRequest(environ)
        result = req.cache_control
        self.assertEqual(result.properties, {'max-age': 5})
        req.environ.update(HTTP_CACHE_CONTROL='max-age=10')
        result = req.cache_control
        self.assertEqual(result.properties, {'max-age': 10})
        req.environ.update(HTTP_CACHE_CONTROL='')
        result = req.cache_control
        self.assertEqual(result.properties, {})

    def test_cache_control_updates_environ(self):
        environ = {}
        req = BaseRequest(environ)
        req.cache_control.max_age = 5
        result = req.environ['HTTP_CACHE_CONTROL']
        self.assertEqual(result, 'max-age=5')
        req.cache_control.max_age = 10
        result = req.environ['HTTP_CACHE_CONTROL']
        self.assertEqual(result, 'max-age=10')
        req.cache_control = None
        result = req.environ['HTTP_CACHE_CONTROL']
        self.assertEqual(result, '')
        del req.cache_control
        self.assert_('HTTP_CACHE_CONTROL' not in req.environ)

    def test_cache_control_set_dict(self):
        environ = {}
        req = BaseRequest(environ)
        req.cache_control = {'max-age': 5}
        result = req.cache_control
        self.assertEqual(result.max_age, 5)

    def test_cache_control_set_object(self):
        from webob.cachecontrol import CacheControl
        environ = {}
        req = BaseRequest(environ)
        req.cache_control = CacheControl({'max-age': 5}, type='request')
        result = req.cache_control
        self.assertEqual(result.max_age, 5)

    def test_cache_control_gets_cached(self):
        environ = {}
        req = BaseRequest(environ)
        self.assert_(req.cache_control is req.cache_control)

    #if_match
    #if_none_match

    #date
    #if_modified_since
    #if_unmodified_since
    #if_range
    #max_forwards
    #pragma
    #range
    #referer
    #referrer
    #user_agent
    #__repr__
    #__str__
    #from_file

    #call_application
    def test_call_application_calls_application(self):
        environ = {}
        req = BaseRequest(environ)
        def application(environ, start_response):
            start_response('200 OK', [('content-type', 'text/plain')])
            return ['...\n']
        status, headers, output = req.call_application(application)
        self.assertEqual(status, '200 OK')
        self.assertEqual(headers, [('content-type', 'text/plain')])
        self.assertEqual(''.join(output), '...\n')

    def test_call_application_provides_write(self):
        environ = {}
        req = BaseRequest(environ)
        def application(environ, start_response):
            write = start_response('200 OK', [('content-type', 'text/plain')])
            write('...\n')
            return []
        status, headers, output = req.call_application(application)
        self.assertEqual(status, '200 OK')
        self.assertEqual(headers, [('content-type', 'text/plain')])
        self.assertEqual(''.join(output), '...\n')

    def test_call_application_closes_iterable_when_mixed_with_write_calls(self):
        environ = {
            'test._call_application_called_close': False
        }
        req = BaseRequest(environ)
        def application(environ, start_response):
            write = start_response('200 OK', [('content-type', 'text/plain')])
            class AppIter(object):
                def __iter__(self):
                    yield '...\n'
                def close(self):
                    environ['test._call_application_called_close'] = True
            write('...\n')
            return AppIter()
        status, headers, output = req.call_application(application)
        self.assertEqual(''.join(output), '...\n...\n')
        self.assertEqual(environ['test._call_application_called_close'], True)

    def test_call_application_raises_exc_info(self):
        environ = {}
        req = BaseRequest(environ)
        def application(environ, start_response):
            try:
                raise RuntimeError('OH NOES')
            except:
                import sys
                exc_info = sys.exc_info()
            start_response('200 OK', [('content-type', 'text/plain')], exc_info)
            return ['...\n']
        self.assertRaises(RuntimeError, req.call_application, application)

    def test_call_application_returns_exc_info(self):
        environ = {}
        req = BaseRequest(environ)
        def application(environ, start_response):
            try:
                raise RuntimeError('OH NOES')
            except:
                import sys
                exc_info = sys.exc_info()
            start_response('200 OK', [('content-type', 'text/plain')], exc_info)
            return ['...\n']
        status, headers, output, exc_info = req.call_application(application, True)
        self.assertEqual(status, '200 OK')
        self.assertEqual(headers, [('content-type', 'text/plain')])
        self.assertEqual(''.join(output), '...\n')
        self.assertEqual(exc_info[0], RuntimeError)

    #get_response
    #blank

    #from_string
    def test_from_string_extra_data(self):
        from webob import BaseRequest
        _test_req_copy = _test_req.replace('Content-Type',
                            'Content-Length: 337\r\nContent-Type')
        self.assertRaises(ValueError, BaseRequest.from_string,
                _test_req_copy+'EXTRA!')

    #as_string
    def test_as_string_skip_body(self):
        from webob import BaseRequest
        req = BaseRequest.from_string(_test_req)
        body = req.as_string(skip_body=True)
        self.assertEqual(body.count('\r\n\r\n'), 0)
        self.assertEqual(req.as_string(skip_body=337), req.as_string())
        body = req.as_string(337-1).split('\r\n\r\n', 1)[1]
        self.assertEqual(body, '<body skipped (len=337)>')

    def test_adhoc_attrs_set(self):
        req = Request.blank('/')
        req.foo = 1
        self.assertEqual(req.environ['webob.adhoc_attrs'], {'foo': 1})

    def test_adhoc_attrs_set_nonadhoc(self):
        req = Request.blank('/', environ={'webob.adhoc_attrs':{}})
        req.request_body_tempfile_limit = 1
        self.assertEqual(req.environ['webob.adhoc_attrs'], {})

    def test_adhoc_attrs_get(self):
        req = Request.blank('/', environ={'webob.adhoc_attrs': {'foo': 1}})
        self.assertEqual(req.foo, 1)

    def test_adhoc_attrs_get_missing(self):
        req = Request.blank('/')
        self.assertRaises(AttributeError, getattr, req, 'some_attr')

    def test_adhoc_attrs_del(self):
        req = Request.blank('/', environ={'webob.adhoc_attrs': {'foo': 1}})
        del req.foo
        self.assertEqual(req.environ['webob.adhoc_attrs'], {})

    def test_adhoc_attrs_del_missing(self):
        req = Request.blank('/')
        self.assertRaises(AttributeError, delattr, req, 'some_attr')

    # TODO: webob/request.py:1143
    # the only known way to reach this line is by experimentation


class RequestTests_functional(unittest.TestCase):

    def test_gets(self):
        from webtest import TestApp
        app = TestApp(simpleapp)
        res = app.get('/')
        self.assert_('Hello' in res)
        self.assert_("get is GET([])" in res)
        self.assert_("post is <NoVars: Not a form request>" in res)

        res = app.get('/?name=george')
        res.mustcontain("get is GET([('name', 'george')])")
        res.mustcontain("Val is george")

    def test_language_parsing(self):
        from webtest import TestApp
        app = TestApp(simpleapp)
        res = app.get('/')
        self.assert_("The languages are: ['en-US']" in res)

        res = app.get('/',
                      headers={'Accept-Language': 'da, en-gb;q=0.8, en;q=0.7'})
        self.assert_("languages are: ['da', 'en-gb', 'en-US']" in res)

        res = app.get('/',
                      headers={'Accept-Language': 'en-gb;q=0.8, da, en;q=0.7'})
        self.assert_("languages are: ['da', 'en-gb', 'en-US']" in res)

    def test_mime_parsing(self):
        from webtest import TestApp
        app = TestApp(simpleapp)
        res = app.get('/', headers={'Accept':'text/html'})
        self.assert_("accepttypes is: text/html" in res)

        res = app.get('/', headers={'Accept':'application/xml'})
        self.assert_("accepttypes is: application/xml" in res)

        res = app.get('/', headers={'Accept':'application/xml,*/*'})
        self.assert_("accepttypes is: application/xml" in res)

    def test_accept_best_match(self):
        self.assert_(not Request.blank('/').accept)
        self.assert_(not Request.blank('/', headers={'Accept': ''}).accept)
        req = Request.blank('/', headers={'Accept':'text/plain'})
        self.assert_(req.accept)
        self.assertRaises(ValueError, req.accept.best_match, ['*/*'])
        req = Request.blank('/', accept=['*/*','text/*'])
        self.assertEqual(
            req.accept.best_match(['application/x-foo', 'text/plain']),
            'text/plain')
        self.assertEqual(
            req.accept.best_match(['text/plain', 'application/x-foo']),
            'text/plain')
        req = Request.blank('/', accept=['text/plain', 'message/*'])
        self.assertEqual(
            req.accept.best_match(['message/x-foo', 'text/plain']),
            'text/plain')
        self.assertEqual(
            req.accept.best_match(['text/plain', 'message/x-foo']),
            'text/plain')

    def test_from_mimeparse(self):
        # http://mimeparse.googlecode.com/svn/trunk/mimeparse.py
        supported = ['application/xbel+xml', 'application/xml']
        tests = [('application/xbel+xml', 'application/xbel+xml'),
                ('application/xbel+xml; q=1', 'application/xbel+xml'),
                ('application/xml; q=1', 'application/xml'),
                ('application/*; q=1', 'application/xbel+xml'),
                ('*/*', 'application/xbel+xml')]

        for accept, get in tests:
            req = Request.blank('/', headers={'Accept':accept})
            self.assertEqual(req.accept.best_match(supported), get)

        supported = ['application/xbel+xml', 'text/xml']
        tests = [('text/*;q=0.5,*/*; q=0.1', 'text/xml'),
                ('text/html,application/atom+xml; q=0.9', None)]

        for accept, get in tests:
            req = Request.blank('/', headers={'Accept':accept})
            self.assertEqual(req.accept.best_match(supported), get)

        supported = ['application/json', 'text/html']
        tests = [
            ('application/json, text/javascript, */*', 'application/json'),
            ('application/json, text/html;q=0.9', 'application/json'),
        ]

        for accept, get in tests:
            req = Request.blank('/', headers={'Accept':accept})
            self.assertEqual(req.accept.best_match(supported), get)

        offered = ['image/png', 'application/xml']
        tests = [
            ('image/png', 'image/png'),
            ('image/*', 'image/png'),
            ('image/*, application/xml', 'application/xml'),
        ]

        for accept, get in tests:
            req = Request.blank('/', accept=accept)
            self.assertEqual(req.accept.best_match(offered), get)

    def test_headers(self):
        from webtest import TestApp
        app = TestApp(simpleapp)
        headers = {
            'If-Modified-Since': 'Sat, 29 Oct 1994 19:43:31 GMT',
            'Cookie': 'var1=value1',
            'User-Agent': 'Mozilla 4.0 (compatible; MSIE)',
            'If-None-Match': '"etag001", "etag002"',
            'X-Requested-With': 'XMLHttpRequest',
            }
        res = app.get('/?foo=bar&baz', headers=headers)
        res.mustcontain(
            'if_modified_since: ' +
                'datetime.datetime(1994, 10, 29, 19, 43, 31, tzinfo=UTC)',
            "user_agent: 'Mozilla",
            'is_xhr: True',
            "cookies is {'var1': 'value1'}",
            "params is NestedMultiDict([('foo', 'bar'), ('baz', '')])",
            "if_none_match: <ETag etag001 or etag002>",
            )

    def test_bad_cookie(self):
        req = Request.blank('/')
        req.headers['Cookie'] = '070-it-:><?0'
        self.assertEqual(req.cookies, {})
        req.headers['Cookie'] = 'foo=bar'
        self.assertEqual(req.cookies, {'foo': 'bar'})
        req.headers['Cookie'] = '...'
        self.assertEqual(req.cookies, {})
        req.headers['Cookie'] = '=foo'
        self.assertEqual(req.cookies, {})
        req.headers['Cookie'] = ('dismiss-top=6; CP=null*; '
            'PHPSESSID=0a539d42abc001cdc762809248d4beed; a=42')
        self.assertEqual(req.cookies, {
            'CP':           u'null*',
            'PHPSESSID':    u'0a539d42abc001cdc762809248d4beed',
            'a':            u'42',
            'dismiss-top':  u'6'
        })
        req.headers['Cookie'] = 'fo234{=bar blub=Blah'
        self.assertEqual(req.cookies, {'blub': 'Blah'})

    def test_cookie_quoting(self):
        req = Request.blank('/')
        req.headers['Cookie'] = 'foo="?foo"; Path=/'
        self.assertEqual(req.cookies, {'foo': '?foo'})

    def test_path_quoting(self):
        path = '/:@&+$,/bar'
        req = Request.blank(path)
        self.assertEqual(req.path, path)
        self.assert_(req.url.endswith(path))

    def test_params(self):
        req = Request.blank('/?a=1&b=2')
        req.method = 'POST'
        req.body = 'b=3'
        self.assertEqual(req.params.items(),
                         [('a', '1'), ('b', '2'), ('b', '3')])
        new_params = req.params.copy()
        self.assertEqual(new_params.items(),
                         [('a', '1'), ('b', '2'), ('b', '3')])
        new_params['b'] = '4'
        self.assertEqual(new_params.items(), [('a', '1'), ('b', '4')])
        # The key name is \u1000:
        req = Request.blank('/?%E1%80%80=x',
                            decode_param_names=True, charset='UTF-8')
        self.assert_(req.decode_param_names)
        self.assert_(u'\u1000' in req.GET.keys())
        self.assertEqual(req.GET[u'\u1000'], 'x')

    def test_copy_body(self):
        req = Request.blank('/', method='POST', body='some text',
                            request_body_tempfile_limit=1)
        old_body_file = req.body_file_raw
        req.copy_body()
        self.assert_(req.body_file_raw is not old_body_file)
        req = Request.blank('/', method='POST',
                body_file=UnseekableInput('0123456789'), content_length=10)
        self.assert_(not hasattr(req.body_file_raw, 'seek'))
        old_body_file = req.body_file_raw
        req.make_body_seekable()
        self.assert_(req.body_file_raw is not old_body_file)
        self.assertEqual(req.body, '0123456789')
        old_body_file = req.body_file
        req.make_body_seekable()
        self.assert_(req.body_file_raw is old_body_file)
        self.assert_(req.body_file is old_body_file)

    def test_broken_seek(self):
        # copy() should work even when the input has a broken seek method
        req = Request.blank('/', method='POST',
                body_file=UnseekableInputWithSeek('0123456789'),
                content_length=10)
        self.assert_(hasattr(req.body_file_raw, 'seek'))
        self.assertRaises(IOError, req.body_file_raw.seek, 0)
        old_body_file = req.body_file
        req2 = req.copy()
        self.assert_(req2.body_file_raw is req2.body_file is not old_body_file)
        self.assertEqual(req2.body, '0123456789')

    def test_set_body(self):
        from webob import BaseRequest
        req = BaseRequest.blank('/', body='foo')
        self.assert_(req.is_body_seekable)
        self.assertEqual(req.body, 'foo')
        self.assertEqual(req.content_length, 3)
        del req.body
        self.assertEqual(req.body, '')
        self.assertEqual(req.content_length, 0)

    def test_broken_clen_header(self):
        # if the UA sends "content_length: ..' header (the name is wrong)
        # it should not break the req.headers.items()
        req = Request.blank('/')
        req.environ['HTTP_CONTENT_LENGTH'] = '0'
        req.headers.items()

    def test_nonstr_keys(self):
        # non-string env keys shouldn't break req.headers
        req = Request.blank('/')
        req.environ[1] = 1
        req.headers.items()


    def test_authorization(self):
        req = Request.blank('/')
        req.authorization = 'Digest uri="/?a=b"'
        self.assertEqual(req.authorization, ('Digest', {'uri': '/?a=b'}))

    def test_authorization2(self):
        from webob.descriptors import parse_auth_params
        for s, d in [
            ('x=y', {'x': 'y'}),
            ('x="y"', {'x': 'y'}),
            ('x=y,z=z', {'x': 'y', 'z': 'z'}),
            ('x=y, z=z', {'x': 'y', 'z': 'z'}),
            ('x="y",z=z', {'x': 'y', 'z': 'z'}),
            ('x="y", z=z', {'x': 'y', 'z': 'z'}),
            ('x="y,x", z=z', {'x': 'y,x', 'z': 'z'}),
        ]:
            self.assertEqual(parse_auth_params(s), d)


    def test_from_file(self):
        req = Request.blank('http://example.com:8000/test.html?params')
        self.equal_req(req)

        req = Request.blank('http://example.com/test2')
        req.method = 'POST'
        req.body = 'test=example'
        self.equal_req(req)

    def test_req_kw_none_val(self):
        request = Request({}, content_length=None)
        self.assert_('content-length' not in request.headers)
        self.assert_('content-type' not in request.headers)

    def test_env_keys(self):
        req = Request.blank('/')
        # SCRIPT_NAME can be missing
        del req.environ['SCRIPT_NAME']
        self.assertEqual(req.script_name, '')
        self.assertEqual(req.uscript_name, u'')

    def test_repr_nodefault(self):
        from webob.request import NoDefault
        nd = NoDefault
        self.assertEqual(repr(nd), '(No Default)')

    def test_request_noenviron_param(self):
        # Environ is a a mandatory not null param in Request.
        self.assertRaises(TypeError, Request, environ=None)

    def test_unicode_errors(self):
        # Passing unicode_errors != NoDefault should assign value to
        # dictionary['unicode_errors'], else not
        r = Request({'a':1}, unicode_errors='strict')
        self.assert_('unicode_errors' in r.__dict__)
        r = Request({'a':1})
        self.assert_('unicode_errors' not in r.__dict__)

    def test_charset_deprecation(self):
        # Any class that inherits from BaseRequest cannot define a
        # default_charset attribute.
        # Any class that inherits from BaseRequest cannot define a
        # charset attr that is instance of str
        from webob import BaseRequest
        from webob.request import AdhocAttrMixin
        class NewRequest(BaseRequest):
            default_charset = 'utf-8'
            def __init__(self, environ, **kw):
                super(NewRequest, self).__init__(environ, **kw)
        self.assertRaises(DeprecationWarning, NewRequest, {'a':1})
        class NewRequest(BaseRequest):
            charset = 'utf-8'
            def __init__(self, environ, **kw):
                super(NewRequest, self).__init__(environ, **kw)
        self.assertRaises(DeprecationWarning, NewRequest, {'a':1})
        class NewRequest(AdhocAttrMixin, BaseRequest):
            default_charset = 'utf-8'
            def __init__(self, environ, **kw):
                super(NewRequest, self).__init__(environ, **kw)
        self.assertRaises(DeprecationWarning, NewRequest, {'a':1})
        class NewRequest(AdhocAttrMixin, BaseRequest):
            charset = 'utf-8'
            def __init__(self, environ, **kw):
                super(NewRequest, self).__init__(environ, **kw)
        self.assertRaises(DeprecationWarning, NewRequest, {'a':1})

    def test_unexpected_kw(self):
        # Passed an attr in kw that does not exist in the class, should
        # raise an error
        # Passed an attr in kw that does exist in the class, should be ok
        self.assertRaises(TypeError,
                          Request, {'a':1}, this_does_not_exist=1)
        r = Request({'a':1}, **{'charset':'utf-8', 'server_name':'127.0.0.1'})
        self.assertEqual(getattr(r, 'charset', None), 'utf-8')
        self.assertEqual(getattr(r, 'server_name', None), '127.0.0.1')

    def test_conttype_set_del(self):
        # Deleting content_type attr from a request should update the
        # environ dict
        # Assigning content_type should replace first option of the environ
        # dict
        r = Request({'a':1}, **{'content_type':'text/html'})
        self.assert_('CONTENT_TYPE' in r.environ)
        self.assert_(hasattr(r, 'content_type'))
        del r.content_type
        self.assert_('CONTENT_TYPE' not in r.environ)
        a = Request({'a':1},
                content_type='charset=utf-8;application/atom+xml;type=entry')
        self.assert_(a.environ['CONTENT_TYPE']==
                'charset=utf-8;application/atom+xml;type=entry')
        a.content_type = 'charset=utf-8'
        self.assert_(a.environ['CONTENT_TYPE']==
                'charset=utf-8;application/atom+xml;type=entry')

    def test_headers2(self):
        # Setting headers in init and later with a property, should update
        # the info
        headers = {'Host': 'www.example.com',
                'Accept-Language': 'en-us,en;q=0.5',
                'Accept-Encoding': 'gzip,deflate',
                'Accept-Charset': 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
                'Keep-Alive': '115',
                'Connection': 'keep-alive',
                'Cache-Control': 'max-age=0'}
        r = Request({'a':1}, headers=headers)
        for i in headers.keys():
            self.assert_(i in r.headers and
                'HTTP_'+i.upper().replace('-', '_') in r.environ)
        r.headers = {'Server':'Apache'}
        self.assertEqual(r.environ.keys(), ['a',  'HTTP_SERVER'])

    def test_host_url(self):
        # Request has a read only property host_url that combines several
        # keys to create a host_url
        a = Request({'wsgi.url_scheme':'http'}, **{'host':'www.example.com'})
        self.assertEqual(a.host_url, 'http://www.example.com')
        a = Request({'wsgi.url_scheme':'http'}, **{'server_name':'localhost',
                                                'server_port':5000})
        self.assertEqual(a.host_url, 'http://localhost:5000')
        a = Request({'wsgi.url_scheme':'https'}, **{'server_name':'localhost',
                                                    'server_port':443})
        self.assertEqual(a.host_url, 'https://localhost')

    def test_path_info_p(self):
        # Peek path_info to see what's coming
        # Pop path_info until there's nothing remaining
        a = Request({'a':1}, **{'path_info':'/foo/bar','script_name':''})
        self.assertEqual(a.path_info_peek(), 'foo')
        self.assertEqual(a.path_info_pop(), 'foo')
        self.assertEqual(a.path_info_peek(), 'bar')
        self.assertEqual(a.path_info_pop(), 'bar')
        self.assertEqual(a.path_info_peek(), None)
        self.assertEqual(a.path_info_pop(), None)

    def test_urlvars_property(self):
        # Testing urlvars setter/getter/deleter
        a = Request({'wsgiorg.routing_args':((),{'x':'y'}),
                    'paste.urlvars':{'test':'value'}})
        a.urlvars = {'hello':'world'}
        self.assert_('paste.urlvars' not in a.environ)
        self.assertEqual(a.environ['wsgiorg.routing_args'],
                         ((), {'hello':'world'}))
        del a.urlvars
        self.assert_('wsgiorg.routing_args' not in a.environ)
        a = Request({'paste.urlvars':{'test':'value'}})
        self.assertEqual(a.urlvars, {'test':'value'})
        a.urlvars = {'hello':'world'}
        self.assertEqual(a.environ['paste.urlvars'], {'hello':'world'})
        del a.urlvars
        self.assert_('paste.urlvars' not in a.environ)

    def test_urlargs_property(self):
        # Testing urlargs setter/getter/deleter
        a = Request({'paste.urlvars':{'test':'value'}})
        self.assertEqual(a.urlargs, ())
        a.urlargs = {'hello':'world'}
        self.assertEqual(a.environ['wsgiorg.routing_args'],
                         ({'hello':'world'}, {'test':'value'}))
        a = Request({'a':1})
        a.urlargs = {'hello':'world'}
        self.assertEqual(a.environ['wsgiorg.routing_args'],
                         ({'hello':'world'}, {}))
        del a.urlargs
        self.assert_('wsgiorg.routing_args' not in a.environ)

    def test_host_property(self):
        # Testing host setter/getter/deleter
        a = Request({'wsgi.url_scheme':'http'}, server_name='localhost',
                                                server_port=5000)
        self.assertEqual(a.host, "localhost:5000")
        a.host = "localhost:5000"
        self.assert_('HTTP_HOST' in a.environ)
        del a.host
        self.assert_('HTTP_HOST' not in a.environ)

    def test_body_property(self):
        # Testing body setter/getter/deleter plus making sure body has a
        # seek method
        #a = Request({'a':1}, **{'CONTENT_LENGTH':'?'})
        # I cannot think of a case where somebody would put anything else
        # than a # numerical value in CONTENT_LENGTH, Google didn't help
        # either
        #self.assertEqual(a.body, '')
        # I need to implement a not seekable stringio like object.
        import string
        from cStringIO import StringIO
        class DummyIO(object):
            def __init__(self, txt):
                self.txt = txt
            def read(self, n=-1):
                return self.txt[0:n]
        limit = BaseRequest.request_body_tempfile_limit
        len_strl = limit // len(string.letters) + 1
        r = Request({'a':1}, body_file=DummyIO(string.letters * len_strl))
        self.assertEqual(len(r.body), len(string.letters*len_strl)-1)
        self.assertRaises(TypeError,
                          setattr, r, 'body', unicode('hello world'))
        r.body = None
        self.assertEqual(r.body, '')
        r = Request({'a':1}, body_file=DummyIO(string.letters))
        self.assert_(not hasattr(r.body_file_raw, 'seek'))
        r.make_body_seekable()
        self.assert_(hasattr(r.body_file_raw, 'seek'))
        r = Request({'a':1}, body_file=StringIO(string.letters))
        self.assert_(hasattr(r.body_file_raw, 'seek'))
        r.make_body_seekable()
        self.assert_(hasattr(r.body_file_raw, 'seek'))

    def test_repr_invalid(self):
        # If we have an invalid WSGI environ, the repr should tell us.
        from webob import BaseRequest
        req = BaseRequest({'CONTENT_LENGTH':'0', 'body':''})
        self.assert_(repr(req).endswith('(invalid WSGI environ)>'))

    def test_from_garbage_file(self):
        # If we pass a file with garbage to from_file method it should
        # raise an error plus missing bits in from_file method
        from cStringIO import StringIO
        from webob import BaseRequest
        self.assertRaises(ValueError,
                          BaseRequest.from_file, StringIO('hello world'))
        val_file = StringIO(
            "GET /webob/ HTTP/1.1\n"
            "Host: pythonpaste.org\n"
            "User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.13)"
            "Gecko/20101206 Ubuntu/10.04 (lucid) Firefox/3.6.13\n"
            "Accept: "
                "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;"
            "q=0.8\n"
            "Accept-Language: en-us,en;q=0.5\n"
            "Accept-Encoding: gzip,deflate\n"
            "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\n"
            # duplicate on purpose
            "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\n"
            "Keep-Alive: 115\n"
            "Connection: keep-alive\n"
        )
        req = BaseRequest.from_file(val_file)
        self.assert_(isinstance(req, BaseRequest))
        self.assert_(not repr(req).endswith('(invalid WSGI environ)>'))
        val_file = StringIO(
            "GET /webob/ HTTP/1.1\n"
            "Host pythonpaste.org\n"
        )
        self.assertRaises(ValueError, BaseRequest.from_file, val_file)

    def test_from_string(self):
        # A valid request without a Content-Length header should still read
        # the full body.
        # Also test parity between as_string and from_string / from_file.
        import cgi
        from webob import BaseRequest
        req = BaseRequest.from_string(_test_req)
        self.assert_(isinstance(req, BaseRequest))
        self.assert_(not repr(req).endswith('(invalid WSGI environ)>'))
        self.assert_('\n' not in req.http_version or '\r' in req.http_version)
        self.assert_(',' not in req.host)
        self.assert_(req.content_length is not None)
        self.assertEqual(req.content_length, 337)
        self.assert_('foo' in req.body)
        bar_contents = "these are the contents of the file 'bar.txt'\r\n"
        self.assert_(bar_contents in req.body)
        self.assertEqual(req.params['foo'], 'foo')
        bar = req.params['bar']
        self.assert_(isinstance(bar, cgi.FieldStorage))
        self.assertEqual(bar.type, 'application/octet-stream')
        bar.file.seek(0)
        self.assertEqual(bar.file.read(), bar_contents)
        # out should equal contents, except for the Content-Length header,
        # so insert that.
        _test_req_copy = _test_req.replace('Content-Type',
                            'Content-Length: 337\r\nContent-Type')
        self.assertEqual(str(req), _test_req_copy)

        req2 = BaseRequest.from_string(_test_req2)
        self.assert_('host' not in req2.headers)
        self.assertEqual(str(req2), _test_req2.rstrip())
        self.assertRaises(ValueError,
                          BaseRequest.from_string, _test_req2 + 'xx')

    def test_blank(self):
        # BaseRequest.blank class method
        from webob import BaseRequest
        self.assertRaises(ValueError, BaseRequest.blank,
                    'www.example.com/foo?hello=world', None,
                    'www.example.com/foo?hello=world')
        self.assertRaises(ValueError, BaseRequest.blank,
                    'gopher.example.com/foo?hello=world', None,
                    'gopher://gopher.example.com')
        req = BaseRequest.blank('www.example.com/foo?hello=world', None,
                                'http://www.example.com')
        self.assertEqual(req.environ.get('HTTP_HOST', None),
                         'www.example.com:80')
        self.assertEqual(req.environ.get('PATH_INFO', None),
                         'www.example.com/foo')
        self.assertEqual(req.environ.get('QUERY_STRING', None),
                         'hello=world')
        self.assertEqual(req.environ.get('REQUEST_METHOD', None), 'GET')
        req = BaseRequest.blank('www.example.com/secure?hello=world', None,
                                'https://www.example.com/secure')
        self.assertEqual(req.environ.get('HTTP_HOST', None),
                         'www.example.com:443')
        self.assertEqual(req.environ.get('PATH_INFO', None),
                         'www.example.com/secure')
        self.assertEqual(req.environ.get('QUERY_STRING', None), 'hello=world')
        self.assertEqual(req.environ.get('REQUEST_METHOD', None), 'GET')
        self.assertEqual(req.environ.get('SCRIPT_NAME', None), '/secure')
        self.assertEqual(req.environ.get('SERVER_NAME', None),
                         'www.example.com')
        self.assertEqual(req.environ.get('SERVER_PORT', None), '443')

    def test_environ_from_url(self):
        # Generating an environ just from an url plus testing environ_add_POST
        from webob.request import environ_add_POST
        from webob.request import environ_from_url
        self.assertRaises(TypeError, environ_from_url,
                    'http://www.example.com/foo?bar=baz#qux')
        self.assertRaises(TypeError, environ_from_url,
                    'gopher://gopher.example.com')
        req = environ_from_url('http://www.example.com/foo?bar=baz')
        self.assertEqual(req.get('HTTP_HOST', None), 'www.example.com:80')
        self.assertEqual(req.get('PATH_INFO', None), '/foo')
        self.assertEqual(req.get('QUERY_STRING', None), 'bar=baz')
        self.assertEqual(req.get('REQUEST_METHOD', None), 'GET')
        self.assertEqual(req.get('SCRIPT_NAME', None), '')
        self.assertEqual(req.get('SERVER_NAME', None), 'www.example.com')
        self.assertEqual(req.get('SERVER_PORT', None), '80')
        req = environ_from_url('https://www.example.com/foo?bar=baz')
        self.assertEqual(req.get('HTTP_HOST', None), 'www.example.com:443')
        self.assertEqual(req.get('PATH_INFO', None), '/foo')
        self.assertEqual(req.get('QUERY_STRING', None), 'bar=baz')
        self.assertEqual(req.get('REQUEST_METHOD', None), 'GET')
        self.assertEqual(req.get('SCRIPT_NAME', None), '')
        self.assertEqual(req.get('SERVER_NAME', None), 'www.example.com')
        self.assertEqual(req.get('SERVER_PORT', None), '443')
        environ_add_POST(req, None)
        self.assert_('CONTENT_TYPE' not in req)
        self.assert_('CONTENT_LENGTH' not in req)
        environ_add_POST(req, {'hello':'world'})
        self.assert_(req.get('HTTP_HOST', None), 'www.example.com:443')
        self.assertEqual(req.get('PATH_INFO', None), '/foo')
        self.assertEqual(req.get('QUERY_STRING', None), 'bar=baz')
        self.assertEqual(req.get('REQUEST_METHOD', None), 'POST')
        self.assertEqual(req.get('SCRIPT_NAME', None), '')
        self.assertEqual(req.get('SERVER_NAME', None), 'www.example.com')
        self.assertEqual(req.get('SERVER_PORT', None), '443')
        self.assertEqual(req.get('CONTENT_LENGTH', None),'11')
        self.assertEqual(req.get('CONTENT_TYPE', None),
                         'application/x-www-form-urlencoded')
        self.assertEqual(req['wsgi.input'].read(), 'hello=world')


    def test_post_does_not_reparse(self):
        # test that there's no repetitive parsing is happening on every
        # req.POST access
        req = Request.blank('/',
            content_type='multipart/form-data; boundary=boundary',
            POST=_cgi_escaping_body
        )
        f0 = req.body_file_raw
        post1 = req.str_POST
        f1 = req.body_file_raw
        self.assert_(f1 is not f0)
        post2 = req.str_POST
        f2 = req.body_file_raw
        self.assert_(post1 is post2)
        self.assert_(f1 is f2)


    def test_middleware_body(self):
        def app(env, sr):
            sr('200 OK', [])
            return [env['wsgi.input'].read()]

        def mw(env, sr):
            req = Request(env)
            data = req.body_file.read()
            resp = req.get_response(app)
            resp.headers['x-data'] = data
            return resp(env, sr)

        req = Request.blank('/', method='PUT', body='abc')
        resp = req.get_response(mw)
        self.assertEqual(resp.body, 'abc')
        self.assertEqual(resp.headers['x-data'], 'abc')

    def test_body_file_noseek(self):
        req = Request.blank('/', method='PUT', body='abc')
        lst = [req.body_file.read(1) for i in range(3)]
        self.assertEqual(lst, ['a','b','c'])

    def test_cgi_escaping_fix(self):
        req = Request.blank('/',
            content_type='multipart/form-data; boundary=boundary',
            POST=_cgi_escaping_body
        )
        self.assertEqual(req.POST.keys(), ['%20%22"'])
        req.body_file.read()
        self.assertEqual(req.POST.keys(), ['%20%22"'])

    def test_content_type_none(self):
        r = Request.blank('/', content_type='text/html')
        self.assertEqual(r.content_type, 'text/html')
        r.content_type = None

    def test_charset_in_content_type(self):
        r = Request({'CONTENT_TYPE':'text/html;charset=ascii'})
        r.charset = 'shift-jis'
        self.assertEqual(r.charset, 'shift-jis')

    def test_body_file_seekable(self):
        from cStringIO import StringIO
        r = Request.blank('/')
        r.body_file = StringIO('body')
        self.assertEqual(r.body_file_seekable.read(), 'body')

    def test_request_init(self):
        # port from doctest (docs/reference.txt)
        req = Request.blank('/article?id=1')
        self.assertEqual(req.environ['HTTP_HOST'], 'localhost:80')
        self.assertEqual(req.environ['PATH_INFO'], '/article')
        self.assertEqual(req.environ['QUERY_STRING'], 'id=1')
        self.assertEqual(req.environ['REQUEST_METHOD'], 'GET')
        self.assertEqual(req.environ['SCRIPT_NAME'], '')
        self.assertEqual(req.environ['SERVER_NAME'], 'localhost')
        self.assertEqual(req.environ['SERVER_PORT'], '80')
        self.assertEqual(req.environ['SERVER_PROTOCOL'], 'HTTP/1.0')
        self.assert_(hasattr(req.environ['wsgi.errors'], 'write') and
                     hasattr(req.environ['wsgi.errors'], 'flush'))
        self.assert_(hasattr(req.environ['wsgi.input'], 'next'))
        self.assertEqual(req.environ['wsgi.multiprocess'], False)
        self.assertEqual(req.environ['wsgi.multithread'], False)
        self.assertEqual(req.environ['wsgi.run_once'], False)
        self.assertEqual(req.environ['wsgi.url_scheme'], 'http')
        self.assertEqual(req.environ['wsgi.version'], (1, 0))

        # Test body
        self.assert_(hasattr(req.body_file, 'read'))
        self.assertEqual(req.body, '')
        req.body = 'test'
        self.assert_(hasattr(req.body_file, 'read'))
        self.assertEqual(req.body, 'test')

        # Test method & URL
        self.assertEqual(req.method, 'GET')
        self.assertEqual(req.scheme, 'http')
        self.assertEqual(req.script_name, '') # The base of the URL
        req.script_name = '/blog'  # make it more interesting
        self.assertEqual(req.path_info, '/article')
        # Content-Type of the request body
        self.assertEqual(req.content_type, '')
        # The auth'ed user (there is none set)
        self.assert_(req.remote_user is None)
        self.assert_(req.remote_addr is None)
        self.assertEqual(req.host, 'localhost:80')
        self.assertEqual(req.host_url, 'http://localhost')
        self.assertEqual(req.application_url, 'http://localhost/blog')
        self.assertEqual(req.path_url, 'http://localhost/blog/article')
        self.assertEqual(req.url, 'http://localhost/blog/article?id=1')
        self.assertEqual(req.path, '/blog/article')
        self.assertEqual(req.path_qs, '/blog/article?id=1')
        self.assertEqual(req.query_string, 'id=1')
        self.assertEqual(req.relative_url('archive'),
                         'http://localhost/blog/archive')

        # Doesn't change request
        self.assertEqual(req.path_info_peek(), 'article')
        # Does change request!
        self.assertEqual(req.path_info_pop(), 'article')
        self.assertEqual(req.script_name, '/blog/article')
        self.assertEqual(req.path_info, '')

        # Headers
        req.headers['Content-Type'] = 'application/x-www-urlencoded'
        self.assertEqual(sorted(req.headers.items()),
                         [('Content-Length', '4'),
                          ('Content-Type', 'application/x-www-urlencoded'),
                          ('Host', 'localhost:80')])
        self.assertEqual(req.environ['CONTENT_TYPE'],
                         'application/x-www-urlencoded')

    def test_request_query_and_POST_vars(self):
        # port from doctest (docs/reference.txt)

        # Query & POST variables
        from webob.multidict import MultiDict
        from webob.multidict import NestedMultiDict
        from webob.multidict import NoVars
        from webob.multidict import TrackableMultiDict
        req = Request.blank('/test?check=a&check=b&name=Bob')
        GET = TrackableMultiDict([('check', 'a'),
                                  ('check', 'b'),
                                  ('name', 'Bob')])
        self.assertEqual(req.str_GET, GET)
        self.assertEqual(req.str_GET['check'], 'b')
        self.assertEqual(req.str_GET.getall('check'), ['a', 'b'])
        self.assertEqual(req.str_GET.items(),
                         [('check', 'a'), ('check', 'b'), ('name', 'Bob')])

        self.assert_(isinstance(req.str_POST, NoVars))
        # NoVars can be read like a dict, but not written
        self.assertEqual(req.str_POST.items(), [])
        req.method = 'POST'
        req.body = 'name=Joe&email=joe@example.com'
        self.assertEqual(req.str_POST,
                         MultiDict([('name', 'Joe'),
                                    ('email', 'joe@example.com')]))
        self.assertEqual(req.str_POST['name'], 'Joe')

        self.assert_(isinstance(req.str_params, NestedMultiDict))
        self.assertEqual(req.str_params.items(),
                         [('check', 'a'),
                          ('check', 'b'),
                          ('name', 'Bob'),
                          ('name', 'Joe'),
                          ('email', 'joe@example.com')])
        self.assertEqual(req.str_params['name'], 'Bob')
        self.assertEqual(req.str_params.getall('name'), ['Bob', 'Joe'])

    def test_request_put(self):
        from datetime import datetime
        from webob import Response
        from webob import UTC
        from webob.acceptparse import MIMEAccept
        from webob.byterange import Range
        from webob.etag import ETagMatcher
        from webob.etag import _NoIfRange
        from webob.multidict import MultiDict
        from webob.multidict import TrackableMultiDict
        from webob.multidict import UnicodeMultiDict
        req = Request.blank('/test?check=a&check=b&name=Bob')
        req.method = 'PUT'
        req.body = 'var1=value1&var2=value2&rep=1&rep=2'
        req.environ['CONTENT_LENGTH'] = str(len(req.body))
        req.environ['CONTENT_TYPE'] = 'application/x-www-form-urlencoded'
        GET = TrackableMultiDict([('check', 'a'),
                                  ('check', 'b'),
                                  ('name', 'Bob')])
        self.assertEqual(req.str_GET, GET)
        self.assertEqual(req.str_POST, MultiDict(
                                [('var1', 'value1'),
                                 ('var2', 'value2'),
                                 ('rep', '1'),
                                 ('rep', '2')]))

        # Unicode
        req.charset = 'utf8'
        self.assert_(isinstance(req.GET, UnicodeMultiDict))
        self.assertEqual(req.GET.items(),
                         [('check', u'a'), ('check', u'b'), ('name', u'Bob')])

        # Cookies
        req.headers['Cookie'] = 'test=value'
        self.assert_(isinstance(req.cookies, UnicodeMultiDict))
        self.assertEqual(req.cookies.items(), [('test', u'value')])
        req.charset = None
        self.assertEqual(req.str_cookies, {'test': 'value'})

        # Accept-* headers
        self.assert_('text/html' in req.accept)
        req.accept = 'text/html;q=0.5, application/xhtml+xml;q=1'
        self.assert_(isinstance(req.accept, MIMEAccept))
        self.assert_('text/html' in req.accept)

        self.assertEqual(req.accept.first_match(['text/html',
                                    'application/xhtml+xml']), 'text/html')
        self.assertEqual(req.accept.best_match(['text/html',
                                                'application/xhtml+xml']),
                         'application/xhtml+xml')
        self.assertEqual(req.accept.best_matches(),
                         ['application/xhtml+xml', 'text/html'])

        req.accept_language = 'es, pt-BR'
        self.assertEqual(req.accept_language.best_matches('en-US'),
                         ['es', 'pt-BR', 'en-US'])
        self.assertEqual(req.accept_language.best_matches('es'), ['es'])

        # Conditional Requests
        server_token = 'opaque-token'
        # shouldn't return 304
        self.assert_(not server_token in req.if_none_match)
        req.if_none_match = server_token
        self.assert_(isinstance(req.if_none_match, ETagMatcher))
        # You *should* return 304
        self.assert_(server_token in req.if_none_match)

        req.if_modified_since = datetime(2006, 1, 1, 12, 0, tzinfo=UTC)
        self.assertEqual(req.headers['If-Modified-Since'],
                         'Sun, 01 Jan 2006 12:00:00 GMT')
        server_modified = datetime(2005, 1, 1, 12, 0, tzinfo=UTC)
        self.assert_(req.if_modified_since)
        self.assert_(req.if_modified_since >= server_modified)

        self.assert_(isinstance(req.if_range, _NoIfRange))
        self.assert_(req.if_range.match(etag='some-etag',
                     last_modified=datetime(2005, 1, 1, 12, 0)))
        req.if_range = 'opaque-etag'
        self.assert_(not req.if_range.match(etag='other-etag'))
        self.assert_(req.if_range.match(etag='opaque-etag'))

        res = Response(etag='opaque-etag')
        self.assert_(req.if_range.match_response(res))

        req.range = 'bytes=0-100'
        self.assert_(isinstance(req.range, Range))
        self.assertEqual(req.range.ranges, [(0, 101)])
        cr = req.range.content_range(length=1000)
        self.assertEqual((cr.start, cr.stop, cr.length), (0, 101, 1000))

        self.assert_(server_token in req.if_match)
        # No If-Match means everything is ok
        req.if_match = server_token
        self.assert_(server_token in req.if_match)
        # Still OK
        req.if_match = 'other-token'
        # Not OK, should return 412 Precondition Failed:
        self.assert_(not server_token in req.if_match)

    def test_call_WSGI_app(self):
        req = Request.blank('/')
        def wsgi_app(environ, start_response):
            start_response('200 OK', [('Content-type', 'text/plain')])
            return ['Hi!']
        self.assertEqual(req.call_application(wsgi_app),
                         ('200 OK', [('Content-type', 'text/plain')], ['Hi!']))

        res = req.get_response(wsgi_app)
        from webob.response import Response
        self.assert_(isinstance(res, Response))
        self.assertEqual(res.status, '200 OK')
        from webob.headers import ResponseHeaders
        self.assert_(isinstance(res.headers, ResponseHeaders))
        self.assertEqual(res.headers.items(), [('Content-type', 'text/plain')])
        self.assertEqual(res.body, 'Hi!')

    def equal_req(self, req):
        from cStringIO import StringIO
        input = StringIO(str(req))
        req2 = Request.from_file(input)
        self.assertEqual(req.url, req2.url)
        headers1 = dict(req.headers)
        headers2 = dict(req2.headers)
        self.assertEqual(int(headers1.get('Content-Length', '0')),
            int(headers2.get('Content-Length', '0')))
        if 'Content-Length' in headers1:
            del headers1['Content-Length']
        if 'Content-Length' in headers2:
            del headers2['Content-Length']
        self.assertEqual(headers1, headers2)
        self.assertEqual(req.body, req2.body)


def simpleapp(environ, start_response):
    status = '200 OK'
    response_headers = [('Content-type','text/plain')]
    start_response(status, response_headers)
    request = Request(environ)
    request.remote_user = 'bob'
    return [
        'Hello world!\n',
        'The get is %r' % request.str_GET,
        ' and Val is %s\n' % request.str_GET.get('name'),
        'The languages are: %s\n' %
            request.accept_language.best_matches('en-US'),
        'The accepttypes is: %s\n' %
            request.accept.best_match(['application/xml', 'text/html']),
        'post is %r\n' % request.str_POST,
        'params is %r\n' % request.str_params,
        'cookies is %r\n' % request.str_cookies,
        'body: %r\n' % request.body,
        'method: %s\n' % request.method,
        'remote_user: %r\n' % request.environ['REMOTE_USER'],
        'host_url: %r; application_url: %r; path_url: %r; url: %r\n' %
            (request.host_url,
             request.application_url,
             request.path_url,
             request.url),
        'urlvars: %r\n' % request.urlvars,
        'urlargs: %r\n' % (request.urlargs, ),
        'is_xhr: %r\n' % request.is_xhr,
        'if_modified_since: %r\n' % request.if_modified_since,
        'user_agent: %r\n' % request.user_agent,
        'if_none_match: %r\n' % request.if_none_match,
        ]



_cgi_escaping_body = '''--boundary
Content-Disposition: form-data; name="%20%22""


--boundary--'''

def _norm_req(s):
    return '\r\n'.join(s.strip().replace('\r','').split('\n'))

_test_req = """
POST /webob/ HTTP/1.0
Accept: */*
Cache-Control: max-age=0
Content-Type: multipart/form-data; boundary=----------------------------deb95b63e42a
Host: pythonpaste.org
User-Agent: UserAgent/1.0 (identifier-version) library/7.0 otherlibrary/0.8

------------------------------deb95b63e42a
Content-Disposition: form-data; name="foo"

foo
------------------------------deb95b63e42a
Content-Disposition: form-data; name="bar"; filename="bar.txt"
Content-type: application/octet-stream

these are the contents of the file 'bar.txt'

------------------------------deb95b63e42a--
"""

_test_req2 = """
POST / HTTP/1.0
Content-Length: 0

"""

_test_req = _norm_req(_test_req)
_test_req2 = _norm_req(_test_req2) + '\r\n'

class UnseekableInput(object):
    def __init__(self, data):
        self.data = data
        self.pos = 0
    def read(self, size=-1):
        if size == -1:
            t = self.data[self.pos:]
            self.pos = len(self.data)
            return t
        else:
            assert(self.pos + size <= len(self.data))
            t = self.data[self.pos:self.pos+size]
            self.pos += size
            return t

class UnseekableInputWithSeek(UnseekableInput):
    def seek(self, pos, rel=0):
        raise IOError("Invalid seek!")


class FakeCGIBodyTests(unittest.TestCase):

    def test_encode_multipart_value_type_options(self):
        from StringIO import StringIO
        from cgi import FieldStorage
        from webob.request import BaseRequest, FakeCGIBody
        from webob.multidict import MultiDict
        multipart_type = 'multipart/form-data; boundary=foobar'
        multipart_body = StringIO(
            '--foobar\r\n'
            'Content-Disposition: form-data; name="bananas"; filename="bananas.txt"\r\n'
            'Content-type: text/plain; charset="utf-9"\r\n'
            '\r\n'
            "these are the contents of the file 'bananas.txt'\r\n"
            '\r\n'
            '--foobar--'
        )
        environ = BaseRequest.blank('/').environ
        environ.update(CONTENT_TYPE=multipart_type)
        environ.update(REQUEST_METHOD='POST')
        fs = FieldStorage(multipart_body, environ=environ)
        vars = MultiDict.from_fieldstorage(fs)
        self.assertEqual(vars['bananas'].__class__, FieldStorage)
        body = FakeCGIBody(vars, multipart_type)
        self.assertEqual(body.read(), multipart_body.getvalue())

    def test_encode_multipart_no_boundary(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({}, 'multipart/form-data')
        self.assertRaises(ValueError, body.read)

    def test_repr(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'multipart/form-data; boundary=foobar')
        body.read(1)
        import re
        self.assertEqual(
            re.sub(r'\b0x[0-9a-f]+\b', '<whereitsat>', repr(body)),
            "<FakeCGIBody at <whereitsat> viewing {'bananas': 'ba...nas'} at position 1>",
        )

    def test_seek_tell(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'multipart/form-data; boundary=foobar')
        self.assertEqual(body.tell(), 0)
        body.seek(1)
        self.assertEqual(body.tell(), 1)
        self.assertRaises(IOError, body.seek, 0, 2)

    def test_iter(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'multipart/form-data; boundary=foobar')
        self.assertEqual(list(body), [
            '--foobar\r\n',
             'Content-Disposition: form-data; name="bananas"\r\n',
             '\r\n',
             'bananas\r\n',
             '--foobar--',
         ])

    def test_readline(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'multipart/form-data; boundary=foobar')
        self.assertEqual(body.readline(), '--foobar\r\n')
        self.assertEqual(body.readline(), 'Content-Disposition: form-data; name="bananas"\r\n')
        self.assertEqual(body.readline(), '\r\n')
        self.assertEqual(body.readline(), 'bananas\r\n')
        self.assertEqual(body.readline(), '--foobar--')
        # subsequent calls to readline will return ''

    def test_read_bad_content_type(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'application/jibberjabber')
        self.assertRaises(AssertionError, body.read)

    def test_read_urlencoded(self):
        from webob.request import FakeCGIBody
        body = FakeCGIBody({'bananas': 'bananas'}, 'application/x-www-form-urlencoded')
        self.assertEqual(body.read(), 'bananas=bananas')


class Test_cgi_FieldStorage__repr__patch(unittest.TestCase):
    def _callFUT(self, fake):
        from webob.request import _cgi_FieldStorage__repr__patch
        return _cgi_FieldStorage__repr__patch(fake)

    def test_with_file(self):
        class Fake(object):
            name = 'name'
            file = 'file'
            filename = 'filename'
            value = 'value'
        fake = Fake()
        result = self._callFUT(fake)
        self.assertEqual(result, "FieldStorage('name', 'filename')")

    def test_without_file(self):
        class Fake(object):
            name = 'name'
            file = None
            filename = 'filename'
            value = 'value'
        fake = Fake()
        result = self._callFUT(fake)
        self.assertEqual(result, "FieldStorage('name', 'filename', 'value')")