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			svn+ssh://pythondev@svn.python.org/python/trunk ........ r78093 | georg.brandl | 2010-02-07 18:03:15 +0100 (So, 07 Feb 2010) | 1 line Remove unused imports in test modules. ........
		
			
				
	
	
		
			224 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			224 lines
		
	
	
	
		
			9.3 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.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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| 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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| 
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| verbose = test.support.verbose
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| 
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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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| 
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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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| 
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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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| 
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| 
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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.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.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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| 
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| 
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| 
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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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| 
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| 
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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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| 
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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.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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|             for obj in known_good_tests:
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|                 _run_object_doctest(obj, test_zipped_doctest)
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| 
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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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| 
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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.encode('utf-8'), 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.encode('utf-8'), data)
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| 
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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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| 
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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(b'l\n')
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|             data = kill_python(p)
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|             self.assertIn(script_name.encode('utf-8'), 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(b'l\n')
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|             data = kill_python(p)
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|             self.assertIn(run_name.encode('utf-8'), data)
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| 
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| 
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| def test_main():
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|     test.support.run_unittest(ZipSupportTests)
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|     test.support.reap_children()
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| 
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| if __name__ == '__main__':
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|     test_main()
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