237 lines
10 KiB
Python
237 lines
10 KiB
Python
# This test module covers support in various parts of the standard library
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# for working with modules located inside zipfiles
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# The tests are centralised in this fashion to make it easy to drop them
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# if a platform doesn't support zipimport
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import test.test_support
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import os
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import os.path
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import sys
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import textwrap
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import zipfile
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import zipimport
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import doctest
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import inspect
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import linecache
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import pdb
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import warnings
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from test.script_helper import (spawn_python, kill_python, run_python,
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temp_dir, make_script, make_zip_script)
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verbose = test.test_support.verbose
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# Library modules covered by this test set
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# pdb (Issue 4201)
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# inspect (Issue 4223)
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# doctest (Issue 4197)
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# Other test modules with zipimport related tests
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# test_zipimport (of course!)
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# test_cmd_line_script (covers the zipimport support in runpy)
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# Retrieve some helpers from other test cases
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from test import test_doctest, sample_doctest
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from test.test_importhooks import ImportHooksBaseTestCase
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def _run_object_doctest(obj, module):
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# Direct doctest output (normally just errors) to real stdout; doctest
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# output shouldn't be compared by regrtest.
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save_stdout = sys.stdout
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sys.stdout = test.test_support.get_original_stdout()
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try:
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finder = doctest.DocTestFinder(verbose=verbose, recurse=False)
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runner = doctest.DocTestRunner(verbose=verbose)
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# Use the object's fully qualified name if it has one
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# Otherwise, use the module's name
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try:
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name = "%s.%s" % (obj.__module__, obj.__name__)
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except AttributeError:
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name = module.__name__
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for example in finder.find(obj, name, module):
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runner.run(example)
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f, t = runner.failures, runner.tries
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if f:
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raise test.test_support.TestFailed("%d of %d doctests failed" % (f, t))
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finally:
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sys.stdout = save_stdout
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if verbose:
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print 'doctest (%s) ... %d tests with zero failures' % (module.__name__, t)
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return f, t
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class ZipSupportTests(ImportHooksBaseTestCase):
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# We use the ImportHooksBaseTestCase to restore
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# the state of the import related information
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# in the sys module after each test
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# We also clear the linecache and zipimport cache
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# just to avoid any bogus errors due to name reuse in the tests
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def setUp(self):
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linecache.clearcache()
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zipimport._zip_directory_cache.clear()
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ImportHooksBaseTestCase.setUp(self)
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def test_inspect_getsource_issue4223(self):
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test_src = "def foo(): pass\n"
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with temp_dir() as d:
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init_name = make_script(d, '__init__', test_src)
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name_in_zip = os.path.join('zip_pkg',
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os.path.basename(init_name))
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zip_name, run_name = make_zip_script(d, 'test_zip',
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init_name, name_in_zip)
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os.remove(init_name)
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sys.path.insert(0, zip_name)
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import zip_pkg
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self.assertEqual(inspect.getsource(zip_pkg.foo), test_src)
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def test_doctest_issue4197(self):
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# To avoid having to keep two copies of the doctest module's
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# unit tests in sync, this test works by taking the source of
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# test_doctest itself, rewriting it a bit to cope with a new
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# location, and then throwing it in a zip file to make sure
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# everything still works correctly
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test_src = inspect.getsource(test_doctest)
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test_src = test_src.replace(
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"from test import test_doctest",
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"import test_zipped_doctest as test_doctest")
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test_src = test_src.replace("test.test_doctest",
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"test_zipped_doctest")
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test_src = test_src.replace("test.sample_doctest",
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"sample_zipped_doctest")
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sample_src = inspect.getsource(sample_doctest)
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sample_src = sample_src.replace("test.test_doctest",
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"test_zipped_doctest")
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with temp_dir() as d:
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script_name = make_script(d, 'test_zipped_doctest',
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test_src)
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zip_name, run_name = make_zip_script(d, 'test_zip',
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script_name)
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z = zipfile.ZipFile(zip_name, 'a')
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z.writestr("sample_zipped_doctest.py", sample_src)
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z.close()
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if verbose:
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zip_file = zipfile.ZipFile(zip_name, 'r')
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print 'Contents of %r:' % zip_name
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zip_file.printdir()
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zip_file.close()
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os.remove(script_name)
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sys.path.insert(0, zip_name)
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import test_zipped_doctest
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# Some of the doc tests depend on the colocated text files
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# which aren't available to the zipped version (the doctest
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# module currently requires real filenames for non-embedded
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# tests). So we're forced to be selective about which tests
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# to run.
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# doctest could really use some APIs which take a text
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# string or a file object instead of a filename...
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known_good_tests = [
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test_zipped_doctest.SampleClass,
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test_zipped_doctest.SampleClass.NestedClass,
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test_zipped_doctest.SampleClass.NestedClass.__init__,
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test_zipped_doctest.SampleClass.__init__,
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test_zipped_doctest.SampleClass.a_classmethod,
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test_zipped_doctest.SampleClass.a_property,
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test_zipped_doctest.SampleClass.a_staticmethod,
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test_zipped_doctest.SampleClass.double,
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test_zipped_doctest.SampleClass.get,
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test_zipped_doctest.SampleNewStyleClass,
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test_zipped_doctest.SampleNewStyleClass.__init__,
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test_zipped_doctest.SampleNewStyleClass.double,
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test_zipped_doctest.SampleNewStyleClass.get,
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test_zipped_doctest.old_test1,
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test_zipped_doctest.old_test2,
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test_zipped_doctest.old_test3,
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test_zipped_doctest.old_test4,
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test_zipped_doctest.sample_func,
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test_zipped_doctest.test_DocTest,
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test_zipped_doctest.test_DocTestParser,
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test_zipped_doctest.test_DocTestRunner.basics,
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test_zipped_doctest.test_DocTestRunner.exceptions,
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test_zipped_doctest.test_DocTestRunner.option_directives,
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test_zipped_doctest.test_DocTestRunner.optionflags,
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test_zipped_doctest.test_DocTestRunner.verbose_flag,
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test_zipped_doctest.test_Example,
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test_zipped_doctest.test_debug,
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test_zipped_doctest.test_pdb_set_trace,
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test_zipped_doctest.test_pdb_set_trace_nested,
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test_zipped_doctest.test_testsource,
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test_zipped_doctest.test_trailing_space_in_test,
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test_zipped_doctest.test_DocTestSuite,
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test_zipped_doctest.test_DocTestFinder,
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]
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# These remaining tests are the ones which need access
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# to the data files, so we don't run them
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fail_due_to_missing_data_files = [
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test_zipped_doctest.test_DocFileSuite,
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test_zipped_doctest.test_testfile,
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test_zipped_doctest.test_unittest_reportflags,
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]
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# Needed for test_DocTestParser and test_debug
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with test.test_support.check_py3k_warnings(
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("backquote not supported", SyntaxWarning),
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("execfile.. not supported", DeprecationWarning)):
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# Ignore all warnings about the use of class Tester in this module.
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warnings.filterwarnings("ignore", "class Tester is deprecated",
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DeprecationWarning)
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for obj in known_good_tests:
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_run_object_doctest(obj, test_zipped_doctest)
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def test_doctest_main_issue4197(self):
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test_src = textwrap.dedent("""\
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class Test:
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">>> 'line 2'"
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pass
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import doctest
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doctest.testmod()
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""")
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pattern = 'File "%s", line 2, in %s'
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with temp_dir() as d:
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script_name = make_script(d, 'script', test_src)
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exit_code, data = run_python(script_name)
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expected = pattern % (script_name, "__main__.Test")
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if verbose:
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print "Expected line", expected
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print "Got stdout:"
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print data
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self.assertIn(expected, data)
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zip_name, run_name = make_zip_script(d, "test_zip",
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script_name, '__main__.py')
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exit_code, data = run_python(zip_name)
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expected = pattern % (run_name, "__main__.Test")
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if verbose:
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print "Expected line", expected
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print "Got stdout:"
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print data
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self.assertIn(expected, data)
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def test_pdb_issue4201(self):
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test_src = textwrap.dedent("""\
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def f():
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pass
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import pdb
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pdb.runcall(f)
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""")
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with temp_dir() as d:
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script_name = make_script(d, 'script', test_src)
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p = spawn_python(script_name)
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p.stdin.write('l\n')
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data = kill_python(p)
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self.assertIn(script_name, data)
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zip_name, run_name = make_zip_script(d, "test_zip",
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script_name, '__main__.py')
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p = spawn_python(zip_name)
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p.stdin.write('l\n')
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data = kill_python(p)
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self.assertIn(run_name, data)
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def test_main():
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test.test_support.run_unittest(ZipSupportTests)
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test.test_support.reap_children()
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if __name__ == '__main__':
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test_main()
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