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# -*- coding: utf-8 -*-
"""
Sphinx test suite utilities
~~~~~~~~~~~~~~~~~~~~~~~~~~~
:copyright: Copyright 2007-2013 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import sys
import StringIO
import tempfile
import shutil
import re
from codecs import open
from functools import wraps
from sphinx import application
from sphinx.theming import Theme
from sphinx.ext.autodoc import AutoDirective
from path import path
from nose import tools, SkipTest
__all__ = [
'test_root', 'test_roots', 'raises', 'raises_msg',
'skip_if', 'skip_unless', 'skip_unless_importable', 'Struct',
'ListOutput', 'TestApp', 'with_app', 'gen_with_app',
'path', 'with_tempdir', 'write_file',
'sprint', 'remove_unicode_literals',
]
test_root = path(__file__).parent.joinpath('root').abspath()
test_roots = path(__file__).parent.joinpath('roots').abspath()
def _excstr(exc):
if type(exc) is tuple:
return str(tuple(map(_excstr, exc)))
return exc.__name__
def raises(exc, func, *args, **kwds):
"""
Raise :exc:`AssertionError` if ``func(*args, **kwds)`` does not
raise *exc*.
"""
try:
func(*args, **kwds)
except exc:
pass
else:
raise AssertionError('%s did not raise %s' %
(func.__name__, _excstr(exc)))
def raises_msg(exc, msg, func, *args, **kwds):
"""
Raise :exc:`AssertionError` if ``func(*args, **kwds)`` does not
raise *exc*, and check if the message contains *msg*.
"""
try:
func(*args, **kwds)
except exc, err:
assert msg in str(err), "\"%s\" not in \"%s\"" % (msg, err)
else:
raise AssertionError('%s did not raise %s' %
(func.__name__, _excstr(exc)))
def skip_if(condition, msg=None):
"""Decorator to skip test if condition is true."""
def deco(test):
@tools.make_decorator(test)
def skipper(*args, **kwds):
if condition:
raise SkipTest(msg or 'conditional skip')
return test(*args, **kwds)
return skipper
return deco
def skip_unless(condition, msg=None):
"""Decorator to skip test if condition is false."""
return skip_if(not condition, msg)
def skip_unless_importable(module, msg=None):
"""Decorator to skip test if module is not importable."""
try:
__import__(module)
except ImportError:
return skip_if(True, msg)
else:
return skip_if(False, msg)
class Struct(object):
def __init__(self, **kwds):
self.__dict__.update(kwds)
class ListOutput(object):
"""
File-like object that collects written text in a list.
"""
def __init__(self, name):
self.name = name
self.content = []
def reset(self):
del self.content[:]
def write(self, text):
self.content.append(text)
class TestApp(application.Sphinx):
"""
A subclass of :class:`Sphinx` that runs on the test root, with some
better default values for the initialization parameters.
"""
def __init__(self, srcdir=None, confdir=None, outdir=None, doctreedir=None,
buildername='html', confoverrides=None,
status=None, warning=None, freshenv=None,
warningiserror=None, tags=None,
confname='conf.py', cleanenv=False):
application.CONFIG_FILENAME = confname
self.cleanup_trees = [test_root / 'generated']
if srcdir is None:
srcdir = test_root
if srcdir == '(temp)':
tempdir = path(tempfile.mkdtemp())
self.cleanup_trees.append(tempdir)
temproot = tempdir / 'root'
test_root.copytree(temproot)
srcdir = temproot
elif srcdir == '(empty)':
tempdir = path(tempfile.mkdtemp())
self.cleanup_trees.append(tempdir)
temproot = tempdir / 'root'
temproot.makedirs()
(temproot / 'conf.py').write_text('')
srcdir = temproot
else:
srcdir = path(srcdir)
self.builddir = srcdir.joinpath('_build')
if confdir is None:
confdir = srcdir
if outdir is None:
outdir = srcdir.joinpath(self.builddir, buildername)
if not outdir.isdir():
outdir.makedirs()
self.cleanup_trees.insert(0, outdir)
if doctreedir is None:
doctreedir = srcdir.joinpath(srcdir, self.builddir, 'doctrees')
if not doctreedir.isdir():
doctreedir.makedirs()
if cleanenv:
self.cleanup_trees.insert(0, doctreedir)
if confoverrides is None:
confoverrides = {}
if status is None:
status = StringIO.StringIO()
if warning is None:
warning = ListOutput('stderr')
if freshenv is None:
freshenv = False
if warningiserror is None:
warningiserror = False
application.Sphinx.__init__(self, srcdir, confdir, outdir, doctreedir,
buildername, confoverrides, status, warning,
freshenv, warningiserror, tags)
def cleanup(self, doctrees=False):
Theme.themes.clear()
AutoDirective._registry.clear()
for tree in self.cleanup_trees:
shutil.rmtree(tree, True)
def with_app(*args, **kwargs):
"""
Make a TestApp with args and kwargs, pass it to the test and clean up
properly.
"""
def generator(func):
@wraps(func)
def deco(*args2, **kwargs2):
app = TestApp(*args, **kwargs)
func(app, *args2, **kwargs2)
# don't execute cleanup if test failed
app.cleanup()
return deco
return generator
def gen_with_app(*args, **kwargs):
"""
Decorate a test generator to pass a TestApp as the first argument to the
test generator when it's executed.
"""
def generator(func):
@wraps(func)
def deco(*args2, **kwargs2):
app = TestApp(*args, **kwargs)
for item in func(app, *args2, **kwargs2):
yield item
# don't execute cleanup if test failed
app.cleanup()
return deco
return generator
def with_tempdir(func):
def new_func(*args, **kwds):
tempdir = path(tempfile.mkdtemp())
func(tempdir, *args, **kwds)
tempdir.rmtree()
new_func.__name__ = func.__name__
return new_func
def write_file(name, contents, encoding=None):
if encoding is None:
mode = 'wb'
if isinstance(contents, unicode):
contents = contents.encode('ascii')
else:
mode = 'w'
f = open(str(name), mode, encoding=encoding)
f.write(contents)
f.close()
def sprint(*args):
sys.stderr.write(' '.join(map(str, args)) + '\n')
_unicode_literals_re = re.compile(r'u(".*?")|u(\'.*?\')')
def remove_unicode_literals(s):
return _unicode_literals_re.sub(lambda x: x.group(1) or x.group(2), s)
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