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# This test module covers support in various parts of the standard library
# for working with modules located inside zipfiles
# The tests are centralised in this fashion to make it easy to drop them
# if a platform doesn't support zipimport
import test.test_support
import os
import os.path
import sys
import textwrap
import zipfile
import zipimport
import doctest
import inspect
import linecache
import pdb
import warnings
from test.script_helper import (spawn_python, kill_python, run_python,
temp_dir, make_script, make_zip_script)
verbose = test.test_support.verbose
# Library modules covered by this test set
# pdb (Issue 4201)
# inspect (Issue 4223)
# doctest (Issue 4197)
# Other test modules with zipimport related tests
# test_zipimport (of course!)
# test_cmd_line_script (covers the zipimport support in runpy)
# Retrieve some helpers from other test cases
from test import (test_doctest, sample_doctest, sample_doctest_no_doctests,
sample_doctest_no_docstrings)
from test.test_importhooks import ImportHooksBaseTestCase
def _run_object_doctest(obj, module):
# Direct doctest output (normally just errors) to real stdout; doctest
# output shouldn't be compared by regrtest.
save_stdout = sys.stdout
sys.stdout = test.test_support.get_original_stdout()
try:
finder = doctest.DocTestFinder(verbose=verbose, recurse=False)
runner = doctest.DocTestRunner(verbose=verbose)
# Use the object's fully qualified name if it has one
# Otherwise, use the module's name
try:
name = "%s.%s" % (obj.__module__, obj.__name__)
except AttributeError:
name = module.__name__
for example in finder.find(obj, name, module):
runner.run(example)
f, t = runner.failures, runner.tries
if f:
raise test.test_support.TestFailed("%d of %d doctests failed" % (f, t))
finally:
sys.stdout = save_stdout
if verbose:
print 'doctest (%s) ... %d tests with zero failures' % (module.__name__, t)
return f, t
class ZipSupportTests(ImportHooksBaseTestCase):
# We use the ImportHooksBaseTestCase to restore
# the state of the import related information
# in the sys module after each test
# We also clear the linecache and zipimport cache
# just to avoid any bogus errors due to name reuse in the tests
def setUp(self):
linecache.clearcache()
zipimport._zip_directory_cache.clear()
ImportHooksBaseTestCase.setUp(self)
def test_inspect_getsource_issue4223(self):
test_src = "def foo(): pass\n"
with temp_dir() as d:
init_name = make_script(d, '__init__', test_src)
name_in_zip = os.path.join('zip_pkg',
os.path.basename(init_name))
zip_name, run_name = make_zip_script(d, 'test_zip',
init_name, name_in_zip)
os.remove(init_name)
sys.path.insert(0, zip_name)
import zip_pkg
self.assertEqual(inspect.getsource(zip_pkg.foo), test_src)
def test_doctest_issue4197(self):
# To avoid having to keep two copies of the doctest module's
# unit tests in sync, this test works by taking the source of
# test_doctest itself, rewriting it a bit to cope with a new
# location, and then throwing it in a zip file to make sure
# everything still works correctly
test_src = inspect.getsource(test_doctest)
test_src = test_src.replace(
"from test import test_doctest",
"import test_zipped_doctest as test_doctest")
test_src = test_src.replace("test.test_doctest",
"test_zipped_doctest")
test_src = test_src.replace("test.sample_doctest",
"sample_zipped_doctest")
# The sample doctest files rewritten to include in the zipped version.
sample_sources = {}
for mod in [sample_doctest, sample_doctest_no_doctests,
sample_doctest_no_docstrings]:
src = inspect.getsource(mod)
src = src.replace("test.test_doctest", "test_zipped_doctest")
# Rewrite the module name so that, for example,
# "test.sample_doctest" becomes "sample_zipped_doctest".
mod_name = mod.__name__.split(".")[-1]
mod_name = mod_name.replace("sample_", "sample_zipped_")
sample_sources[mod_name] = src
with temp_dir() as d:
script_name = make_script(d, 'test_zipped_doctest',
test_src)
zip_name, run_name = make_zip_script(d, 'test_zip',
script_name)
z = zipfile.ZipFile(zip_name, 'a')
for mod_name, src in sample_sources.items():
z.writestr(mod_name + ".py", src)
z.close()
if verbose:
zip_file = zipfile.ZipFile(zip_name, 'r')
print 'Contents of %r:' % zip_name
zip_file.printdir()
zip_file.close()
os.remove(script_name)
sys.path.insert(0, zip_name)
import test_zipped_doctest
# Some of the doc tests depend on the colocated text files
# which aren't available to the zipped version (the doctest
# module currently requires real filenames for non-embedded
# tests). So we're forced to be selective about which tests
# to run.
# doctest could really use some APIs which take a text
# string or a file object instead of a filename...
known_good_tests = [
test_zipped_doctest.SampleClass,
test_zipped_doctest.SampleClass.NestedClass,
test_zipped_doctest.SampleClass.NestedClass.__init__,
test_zipped_doctest.SampleClass.__init__,
test_zipped_doctest.SampleClass.a_classmethod,
test_zipped_doctest.SampleClass.a_property,
test_zipped_doctest.SampleClass.a_staticmethod,
test_zipped_doctest.SampleClass.double,
test_zipped_doctest.SampleClass.get,
test_zipped_doctest.SampleNewStyleClass,
test_zipped_doctest.SampleNewStyleClass.__init__,
test_zipped_doctest.SampleNewStyleClass.double,
test_zipped_doctest.SampleNewStyleClass.get,
test_zipped_doctest.old_test1,
test_zipped_doctest.old_test2,
test_zipped_doctest.old_test3,
test_zipped_doctest.old_test4,
test_zipped_doctest.sample_func,
test_zipped_doctest.test_DocTest,
test_zipped_doctest.test_DocTestParser,
test_zipped_doctest.test_DocTestRunner.basics,
test_zipped_doctest.test_DocTestRunner.exceptions,
test_zipped_doctest.test_DocTestRunner.option_directives,
test_zipped_doctest.test_DocTestRunner.optionflags,
test_zipped_doctest.test_DocTestRunner.verbose_flag,
test_zipped_doctest.test_Example,
test_zipped_doctest.test_debug,
test_zipped_doctest.test_pdb_set_trace,
test_zipped_doctest.test_pdb_set_trace_nested,
test_zipped_doctest.test_testsource,
test_zipped_doctest.test_trailing_space_in_test,
test_zipped_doctest.test_DocTestSuite,
test_zipped_doctest.test_DocTestFinder,
]
# These remaining tests are the ones which need access
# to the data files, so we don't run them
fail_due_to_missing_data_files = [
test_zipped_doctest.test_DocFileSuite,
test_zipped_doctest.test_testfile,
test_zipped_doctest.test_unittest_reportflags,
]
# Needed for test_DocTestParser and test_debug
deprecations = []
if __debug__:
# Ignore all warnings about the use of class Tester in this module.
deprecations.append(("class Tester is deprecated", DeprecationWarning))
if sys.py3kwarning:
deprecations += [
("backquote not supported", SyntaxWarning),
("execfile.. not supported", DeprecationWarning)]
with test.test_support.check_warnings(*deprecations):
for obj in known_good_tests:
_run_object_doctest(obj, test_zipped_doctest)
def test_doctest_main_issue4197(self):
test_src = textwrap.dedent("""\
class Test:
">>> 'line 2'"
pass
import doctest
doctest.testmod()
""")
pattern = 'File "%s", line 2, in %s'
with temp_dir() as d:
script_name = make_script(d, 'script', test_src)
exit_code, data = run_python(script_name)
expected = pattern % (script_name, "__main__.Test")
if verbose:
print "Expected line", expected
print "Got stdout:"
print data
self.assertIn(expected, data)
zip_name, run_name = make_zip_script(d, "test_zip",
script_name, '__main__.py')
exit_code, data = run_python(zip_name)
expected = pattern % (run_name, "__main__.Test")
if verbose:
print "Expected line", expected
print "Got stdout:"
print data
self.assertIn(expected, data)
def test_pdb_issue4201(self):
test_src = textwrap.dedent("""\
def f():
pass
import pdb
pdb.runcall(f)
""")
with temp_dir() as d:
script_name = make_script(d, 'script', test_src)
p = spawn_python(script_name)
p.stdin.write('l\n')
data = kill_python(p)
self.assertIn(script_name, data)
zip_name, run_name = make_zip_script(d, "test_zip",
script_name, '__main__.py')
p = spawn_python(zip_name)
p.stdin.write('l\n')
data = kill_python(p)
self.assertIn(run_name, data)
def test_main():
test.test_support.run_unittest(ZipSupportTests)
test.test_support.reap_children()
if __name__ == '__main__':
test_main()
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