diff options
Diffstat (limited to 'Lib/unittest/test/test_discovery.py')
| -rw-r--r-- | Lib/unittest/test/test_discovery.py | 849 |
1 files changed, 0 insertions, 849 deletions
diff --git a/Lib/unittest/test/test_discovery.py b/Lib/unittest/test/test_discovery.py deleted file mode 100644 index 3b58786ec16..00000000000 --- a/Lib/unittest/test/test_discovery.py +++ /dev/null @@ -1,849 +0,0 @@ -import os.path -from os.path import abspath -import re -import sys -import types -import pickle -from test import support -from test.support import import_helper -import test.test_importlib.util - -import unittest -import unittest.mock -import unittest.test - - -class TestableTestProgram(unittest.TestProgram): - module = None - exit = True - defaultTest = failfast = catchbreak = buffer = None - verbosity = 1 - progName = '' - testRunner = testLoader = None - - def __init__(self): - pass - - -class TestDiscovery(unittest.TestCase): - - # Heavily mocked tests so I can avoid hitting the filesystem - def test_get_name_from_path(self): - loader = unittest.TestLoader() - loader._top_level_dir = '/foo' - name = loader._get_name_from_path('/foo/bar/baz.py') - self.assertEqual(name, 'bar.baz') - - if not __debug__: - # asserts are off - return - - with self.assertRaises(AssertionError): - loader._get_name_from_path('/bar/baz.py') - - def test_find_tests(self): - loader = unittest.TestLoader() - - original_listdir = os.listdir - def restore_listdir(): - os.listdir = original_listdir - original_isfile = os.path.isfile - def restore_isfile(): - os.path.isfile = original_isfile - original_isdir = os.path.isdir - def restore_isdir(): - os.path.isdir = original_isdir - - path_lists = [['test2.py', 'test1.py', 'not_a_test.py', 'test_dir', - 'test.foo', 'test-not-a-module.py', 'another_dir'], - ['test4.py', 'test3.py', ]] - os.listdir = lambda path: path_lists.pop(0) - self.addCleanup(restore_listdir) - - def isdir(path): - return path.endswith('dir') - os.path.isdir = isdir - self.addCleanup(restore_isdir) - - def isfile(path): - # another_dir is not a package and so shouldn't be recursed into - return not path.endswith('dir') and not 'another_dir' in path - os.path.isfile = isfile - self.addCleanup(restore_isfile) - - loader._get_module_from_name = lambda path: path + ' module' - orig_load_tests = loader.loadTestsFromModule - def loadTestsFromModule(module, pattern=None): - # This is where load_tests is called. - base = orig_load_tests(module, pattern=pattern) - return base + [module + ' tests'] - loader.loadTestsFromModule = loadTestsFromModule - loader.suiteClass = lambda thing: thing - - top_level = os.path.abspath('/foo') - loader._top_level_dir = top_level - suite = list(loader._find_tests(top_level, 'test*.py')) - - # The test suites found should be sorted alphabetically for reliable - # execution order. - expected = [[name + ' module tests'] for name in - ('test1', 'test2', 'test_dir')] - expected.extend([[('test_dir.%s' % name) + ' module tests'] for name in - ('test3', 'test4')]) - self.assertEqual(suite, expected) - - def test_find_tests_socket(self): - # A socket is neither a directory nor a regular file. - # https://bugs.python.org/issue25320 - loader = unittest.TestLoader() - - original_listdir = os.listdir - def restore_listdir(): - os.listdir = original_listdir - original_isfile = os.path.isfile - def restore_isfile(): - os.path.isfile = original_isfile - original_isdir = os.path.isdir - def restore_isdir(): - os.path.isdir = original_isdir - - path_lists = [['socket']] - os.listdir = lambda path: path_lists.pop(0) - self.addCleanup(restore_listdir) - - os.path.isdir = lambda path: False - self.addCleanup(restore_isdir) - - os.path.isfile = lambda path: False - self.addCleanup(restore_isfile) - - loader._get_module_from_name = lambda path: path + ' module' - orig_load_tests = loader.loadTestsFromModule - def loadTestsFromModule(module, pattern=None): - # This is where load_tests is called. - base = orig_load_tests(module, pattern=pattern) - return base + [module + ' tests'] - loader.loadTestsFromModule = loadTestsFromModule - loader.suiteClass = lambda thing: thing - - top_level = os.path.abspath('/foo') - loader._top_level_dir = top_level - suite = list(loader._find_tests(top_level, 'test*.py')) - - self.assertEqual(suite, []) - - def test_find_tests_with_package(self): - loader = unittest.TestLoader() - - original_listdir = os.listdir - def restore_listdir(): - os.listdir = original_listdir - original_isfile = os.path.isfile - def restore_isfile(): - os.path.isfile = original_isfile - original_isdir = os.path.isdir - def restore_isdir(): - os.path.isdir = original_isdir - - directories = ['a_directory', 'test_directory', 'test_directory2'] - path_lists = [directories, [], [], []] - os.listdir = lambda path: path_lists.pop(0) - self.addCleanup(restore_listdir) - - os.path.isdir = lambda path: True - self.addCleanup(restore_isdir) - - os.path.isfile = lambda path: os.path.basename(path) not in directories - self.addCleanup(restore_isfile) - - class Module(object): - paths = [] - load_tests_args = [] - - def __init__(self, path): - self.path = path - self.paths.append(path) - if os.path.basename(path) == 'test_directory': - def load_tests(loader, tests, pattern): - self.load_tests_args.append((loader, tests, pattern)) - return [self.path + ' load_tests'] - self.load_tests = load_tests - - def __eq__(self, other): - return self.path == other.path - - loader._get_module_from_name = lambda name: Module(name) - orig_load_tests = loader.loadTestsFromModule - def loadTestsFromModule(module, pattern=None): - # This is where load_tests is called. - base = orig_load_tests(module, pattern=pattern) - return base + [module.path + ' module tests'] - loader.loadTestsFromModule = loadTestsFromModule - loader.suiteClass = lambda thing: thing - - loader._top_level_dir = '/foo' - # this time no '.py' on the pattern so that it can match - # a test package - suite = list(loader._find_tests('/foo', 'test*')) - - # We should have loaded tests from the a_directory and test_directory2 - # directly and via load_tests for the test_directory package, which - # still calls the baseline module loader. - self.assertEqual(suite, - [['a_directory module tests'], - ['test_directory load_tests', - 'test_directory module tests'], - ['test_directory2 module tests']]) - - - # The test module paths should be sorted for reliable execution order - self.assertEqual(Module.paths, - ['a_directory', 'test_directory', 'test_directory2']) - - # load_tests should have been called once with loader, tests and pattern - # (but there are no tests in our stub module itself, so that is [] at - # the time of call). - self.assertEqual(Module.load_tests_args, - [(loader, [], 'test*')]) - - def test_find_tests_default_calls_package_load_tests(self): - loader = unittest.TestLoader() - - original_listdir = os.listdir - def restore_listdir(): - os.listdir = original_listdir - original_isfile = os.path.isfile - def restore_isfile(): - os.path.isfile = original_isfile - original_isdir = os.path.isdir - def restore_isdir(): - os.path.isdir = original_isdir - - directories = ['a_directory', 'test_directory', 'test_directory2'] - path_lists = [directories, [], [], []] - os.listdir = lambda path: path_lists.pop(0) - self.addCleanup(restore_listdir) - - os.path.isdir = lambda path: True - self.addCleanup(restore_isdir) - - os.path.isfile = lambda path: os.path.basename(path) not in directories - self.addCleanup(restore_isfile) - - class Module(object): - paths = [] - load_tests_args = [] - - def __init__(self, path): - self.path = path - self.paths.append(path) - if os.path.basename(path) == 'test_directory': - def load_tests(loader, tests, pattern): - self.load_tests_args.append((loader, tests, pattern)) - return [self.path + ' load_tests'] - self.load_tests = load_tests - - def __eq__(self, other): - return self.path == other.path - - loader._get_module_from_name = lambda name: Module(name) - orig_load_tests = loader.loadTestsFromModule - def loadTestsFromModule(module, pattern=None): - # This is where load_tests is called. - base = orig_load_tests(module, pattern=pattern) - return base + [module.path + ' module tests'] - loader.loadTestsFromModule = loadTestsFromModule - loader.suiteClass = lambda thing: thing - - loader._top_level_dir = '/foo' - # this time no '.py' on the pattern so that it can match - # a test package - suite = list(loader._find_tests('/foo', 'test*.py')) - - # We should have loaded tests from the a_directory and test_directory2 - # directly and via load_tests for the test_directory package, which - # still calls the baseline module loader. - self.assertEqual(suite, - [['a_directory module tests'], - ['test_directory load_tests', - 'test_directory module tests'], - ['test_directory2 module tests']]) - # The test module paths should be sorted for reliable execution order - self.assertEqual(Module.paths, - ['a_directory', 'test_directory', 'test_directory2']) - - - # load_tests should have been called once with loader, tests and pattern - self.assertEqual(Module.load_tests_args, - [(loader, [], 'test*.py')]) - - def test_find_tests_customize_via_package_pattern(self): - # This test uses the example 'do-nothing' load_tests from - # https://docs.python.org/3/library/unittest.html#load-tests-protocol - # to make sure that that actually works. - # Housekeeping - original_listdir = os.listdir - def restore_listdir(): - os.listdir = original_listdir - self.addCleanup(restore_listdir) - original_isfile = os.path.isfile - def restore_isfile(): - os.path.isfile = original_isfile - self.addCleanup(restore_isfile) - original_isdir = os.path.isdir - def restore_isdir(): - os.path.isdir = original_isdir - self.addCleanup(restore_isdir) - self.addCleanup(sys.path.remove, abspath('/foo')) - - # Test data: we expect the following: - # a listdir to find our package, and isfile and isdir checks on it. - # a module-from-name call to turn that into a module - # followed by load_tests. - # then our load_tests will call discover() which is messy - # but that finally chains into find_tests again for the child dir - - # which is why we don't have an infinite loop. - # We expect to see: - # the module load tests for both package and plain module called, - # and the plain module result nested by the package module load_tests - # indicating that it was processed and could have been mutated. - vfs = {abspath('/foo'): ['my_package'], - abspath('/foo/my_package'): ['__init__.py', 'test_module.py']} - def list_dir(path): - return list(vfs[path]) - os.listdir = list_dir - os.path.isdir = lambda path: not path.endswith('.py') - os.path.isfile = lambda path: path.endswith('.py') - - class Module(object): - paths = [] - load_tests_args = [] - - def __init__(self, path): - self.path = path - self.paths.append(path) - if path.endswith('test_module'): - def load_tests(loader, tests, pattern): - self.load_tests_args.append((loader, tests, pattern)) - return [self.path + ' load_tests'] - else: - def load_tests(loader, tests, pattern): - self.load_tests_args.append((loader, tests, pattern)) - # top level directory cached on loader instance - __file__ = '/foo/my_package/__init__.py' - this_dir = os.path.dirname(__file__) - pkg_tests = loader.discover( - start_dir=this_dir, pattern=pattern) - return [self.path + ' load_tests', tests - ] + pkg_tests - self.load_tests = load_tests - - def __eq__(self, other): - return self.path == other.path - - loader = unittest.TestLoader() - loader._get_module_from_name = lambda name: Module(name) - loader.suiteClass = lambda thing: thing - - loader._top_level_dir = abspath('/foo') - # this time no '.py' on the pattern so that it can match - # a test package - suite = list(loader._find_tests(abspath('/foo'), 'test*.py')) - - # We should have loaded tests from both my_package and - # my_package.test_module, and also run the load_tests hook in both. - # (normally this would be nested TestSuites.) - self.assertEqual(suite, - [['my_package load_tests', [], - ['my_package.test_module load_tests']]]) - # Parents before children. - self.assertEqual(Module.paths, - ['my_package', 'my_package.test_module']) - - # load_tests should have been called twice with loader, tests and pattern - self.assertEqual(Module.load_tests_args, - [(loader, [], 'test*.py'), - (loader, [], 'test*.py')]) - - def test_discover(self): - loader = unittest.TestLoader() - - original_isfile = os.path.isfile - original_isdir = os.path.isdir - def restore_isfile(): - os.path.isfile = original_isfile - - os.path.isfile = lambda path: False - self.addCleanup(restore_isfile) - - orig_sys_path = sys.path[:] - def restore_path(): - sys.path[:] = orig_sys_path - self.addCleanup(restore_path) - - full_path = os.path.abspath(os.path.normpath('/foo')) - with self.assertRaises(ImportError): - loader.discover('/foo/bar', top_level_dir='/foo') - - self.assertEqual(loader._top_level_dir, full_path) - self.assertIn(full_path, sys.path) - - os.path.isfile = lambda path: True - os.path.isdir = lambda path: True - - def restore_isdir(): - os.path.isdir = original_isdir - self.addCleanup(restore_isdir) - - _find_tests_args = [] - def _find_tests(start_dir, pattern): - _find_tests_args.append((start_dir, pattern)) - return ['tests'] - loader._find_tests = _find_tests - loader.suiteClass = str - - suite = loader.discover('/foo/bar/baz', 'pattern', '/foo/bar') - - top_level_dir = os.path.abspath('/foo/bar') - start_dir = os.path.abspath('/foo/bar/baz') - self.assertEqual(suite, "['tests']") - self.assertEqual(loader._top_level_dir, top_level_dir) - self.assertEqual(_find_tests_args, [(start_dir, 'pattern')]) - self.assertIn(top_level_dir, sys.path) - - def test_discover_start_dir_is_package_calls_package_load_tests(self): - # This test verifies that the package load_tests in a package is indeed - # invoked when the start_dir is a package (and not the top level). - # http://bugs.python.org/issue22457 - - # Test data: we expect the following: - # an isfile to verify the package, then importing and scanning - # as per _find_tests' normal behaviour. - # We expect to see our load_tests hook called once. - vfs = {abspath('/toplevel'): ['startdir'], - abspath('/toplevel/startdir'): ['__init__.py']} - def list_dir(path): - return list(vfs[path]) - self.addCleanup(setattr, os, 'listdir', os.listdir) - os.listdir = list_dir - self.addCleanup(setattr, os.path, 'isfile', os.path.isfile) - os.path.isfile = lambda path: path.endswith('.py') - self.addCleanup(setattr, os.path, 'isdir', os.path.isdir) - os.path.isdir = lambda path: not path.endswith('.py') - self.addCleanup(sys.path.remove, abspath('/toplevel')) - - class Module(object): - paths = [] - load_tests_args = [] - - def __init__(self, path): - self.path = path - - def load_tests(self, loader, tests, pattern): - return ['load_tests called ' + self.path] - - def __eq__(self, other): - return self.path == other.path - - loader = unittest.TestLoader() - loader._get_module_from_name = lambda name: Module(name) - loader.suiteClass = lambda thing: thing - - suite = loader.discover('/toplevel/startdir', top_level_dir='/toplevel') - - # We should have loaded tests from the package __init__. - # (normally this would be nested TestSuites.) - self.assertEqual(suite, - [['load_tests called startdir']]) - - def setup_import_issue_tests(self, fakefile): - listdir = os.listdir - os.listdir = lambda _: [fakefile] - isfile = os.path.isfile - os.path.isfile = lambda _: True - orig_sys_path = sys.path[:] - def restore(): - os.path.isfile = isfile - os.listdir = listdir - sys.path[:] = orig_sys_path - self.addCleanup(restore) - - def setup_import_issue_package_tests(self, vfs): - self.addCleanup(setattr, os, 'listdir', os.listdir) - self.addCleanup(setattr, os.path, 'isfile', os.path.isfile) - self.addCleanup(setattr, os.path, 'isdir', os.path.isdir) - self.addCleanup(sys.path.__setitem__, slice(None), list(sys.path)) - def list_dir(path): - return list(vfs[path]) - os.listdir = list_dir - os.path.isdir = lambda path: not path.endswith('.py') - os.path.isfile = lambda path: path.endswith('.py') - - def test_discover_with_modules_that_fail_to_import(self): - loader = unittest.TestLoader() - - self.setup_import_issue_tests('test_this_does_not_exist.py') - - suite = loader.discover('.') - self.assertIn(os.getcwd(), sys.path) - self.assertEqual(suite.countTestCases(), 1) - # Errors loading the suite are also captured for introspection. - self.assertNotEqual([], loader.errors) - self.assertEqual(1, len(loader.errors)) - error = loader.errors[0] - self.assertTrue( - 'Failed to import test module: test_this_does_not_exist' in error, - 'missing error string in %r' % error) - test = list(list(suite)[0])[0] # extract test from suite - - with self.assertRaises(ImportError): - test.test_this_does_not_exist() - - def test_discover_with_init_modules_that_fail_to_import(self): - vfs = {abspath('/foo'): ['my_package'], - abspath('/foo/my_package'): ['__init__.py', 'test_module.py']} - self.setup_import_issue_package_tests(vfs) - import_calls = [] - def _get_module_from_name(name): - import_calls.append(name) - raise ImportError("Cannot import Name") - loader = unittest.TestLoader() - loader._get_module_from_name = _get_module_from_name - suite = loader.discover(abspath('/foo')) - - self.assertIn(abspath('/foo'), sys.path) - self.assertEqual(suite.countTestCases(), 1) - # Errors loading the suite are also captured for introspection. - self.assertNotEqual([], loader.errors) - self.assertEqual(1, len(loader.errors)) - error = loader.errors[0] - self.assertTrue( - 'Failed to import test module: my_package' in error, - 'missing error string in %r' % error) - test = list(list(suite)[0])[0] # extract test from suite - with self.assertRaises(ImportError): - test.my_package() - self.assertEqual(import_calls, ['my_package']) - - # Check picklability - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - pickle.loads(pickle.dumps(test, proto)) - - def test_discover_with_module_that_raises_SkipTest_on_import(self): - if not unittest.BaseTestSuite._cleanup: - raise unittest.SkipTest("Suite cleanup is disabled") - - loader = unittest.TestLoader() - - def _get_module_from_name(name): - raise unittest.SkipTest('skipperoo') - loader._get_module_from_name = _get_module_from_name - - self.setup_import_issue_tests('test_skip_dummy.py') - - suite = loader.discover('.') - self.assertEqual(suite.countTestCases(), 1) - - result = unittest.TestResult() - suite.run(result) - self.assertEqual(len(result.skipped), 1) - - # Check picklability - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - pickle.loads(pickle.dumps(suite, proto)) - - def test_discover_with_init_module_that_raises_SkipTest_on_import(self): - if not unittest.BaseTestSuite._cleanup: - raise unittest.SkipTest("Suite cleanup is disabled") - - vfs = {abspath('/foo'): ['my_package'], - abspath('/foo/my_package'): ['__init__.py', 'test_module.py']} - self.setup_import_issue_package_tests(vfs) - import_calls = [] - def _get_module_from_name(name): - import_calls.append(name) - raise unittest.SkipTest('skipperoo') - loader = unittest.TestLoader() - loader._get_module_from_name = _get_module_from_name - suite = loader.discover(abspath('/foo')) - - self.assertIn(abspath('/foo'), sys.path) - self.assertEqual(suite.countTestCases(), 1) - result = unittest.TestResult() - suite.run(result) - self.assertEqual(len(result.skipped), 1) - self.assertEqual(result.testsRun, 1) - self.assertEqual(import_calls, ['my_package']) - - # Check picklability - for proto in range(pickle.HIGHEST_PROTOCOL + 1): - pickle.loads(pickle.dumps(suite, proto)) - - def test_command_line_handling_parseArgs(self): - program = TestableTestProgram() - - args = [] - program._do_discovery = args.append - program.parseArgs(['something', 'discover']) - self.assertEqual(args, [[]]) - - args[:] = [] - program.parseArgs(['something', 'discover', 'foo', 'bar']) - self.assertEqual(args, [['foo', 'bar']]) - - def test_command_line_handling_discover_by_default(self): - program = TestableTestProgram() - - args = [] - program._do_discovery = args.append - program.parseArgs(['something']) - self.assertEqual(args, [[]]) - self.assertEqual(program.verbosity, 1) - self.assertIs(program.buffer, False) - self.assertIs(program.catchbreak, False) - self.assertIs(program.failfast, False) - - def test_command_line_handling_discover_by_default_with_options(self): - program = TestableTestProgram() - - args = [] - program._do_discovery = args.append - program.parseArgs(['something', '-v', '-b', '-v', '-c', '-f']) - self.assertEqual(args, [[]]) - self.assertEqual(program.verbosity, 2) - self.assertIs(program.buffer, True) - self.assertIs(program.catchbreak, True) - self.assertIs(program.failfast, True) - - - def test_command_line_handling_do_discovery_too_many_arguments(self): - program = TestableTestProgram() - program.testLoader = None - - with support.captured_stderr() as stderr, \ - self.assertRaises(SystemExit) as cm: - # too many args - program._do_discovery(['one', 'two', 'three', 'four']) - self.assertEqual(cm.exception.args, (2,)) - self.assertIn('usage:', stderr.getvalue()) - - - def test_command_line_handling_do_discovery_uses_default_loader(self): - program = object.__new__(unittest.TestProgram) - program._initArgParsers() - - class Loader(object): - args = [] - def discover(self, start_dir, pattern, top_level_dir): - self.args.append((start_dir, pattern, top_level_dir)) - return 'tests' - - program.testLoader = Loader() - program._do_discovery(['-v']) - self.assertEqual(Loader.args, [('.', 'test*.py', None)]) - - def test_command_line_handling_do_discovery_calls_loader(self): - program = TestableTestProgram() - - class Loader(object): - args = [] - def discover(self, start_dir, pattern, top_level_dir): - self.args.append((start_dir, pattern, top_level_dir)) - return 'tests' - - program._do_discovery(['-v'], Loader=Loader) - self.assertEqual(program.verbosity, 2) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('.', 'test*.py', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['--verbose'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('.', 'test*.py', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery([], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('.', 'test*.py', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['fish'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('fish', 'test*.py', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['fish', 'eggs'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('fish', 'eggs', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['fish', 'eggs', 'ham'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('fish', 'eggs', 'ham')]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['-s', 'fish'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('fish', 'test*.py', None)]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['-t', 'fish'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('.', 'test*.py', 'fish')]) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['-p', 'fish'], Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('.', 'fish', None)]) - self.assertFalse(program.failfast) - self.assertFalse(program.catchbreak) - - Loader.args = [] - program = TestableTestProgram() - program._do_discovery(['-p', 'eggs', '-s', 'fish', '-v', '-f', '-c'], - Loader=Loader) - self.assertEqual(program.test, 'tests') - self.assertEqual(Loader.args, [('fish', 'eggs', None)]) - self.assertEqual(program.verbosity, 2) - self.assertTrue(program.failfast) - self.assertTrue(program.catchbreak) - - def setup_module_clash(self): - class Module(object): - __file__ = 'bar/foo.py' - sys.modules['foo'] = Module - full_path = os.path.abspath('foo') - original_listdir = os.listdir - original_isfile = os.path.isfile - original_isdir = os.path.isdir - original_realpath = os.path.realpath - - def cleanup(): - os.listdir = original_listdir - os.path.isfile = original_isfile - os.path.isdir = original_isdir - os.path.realpath = original_realpath - del sys.modules['foo'] - if full_path in sys.path: - sys.path.remove(full_path) - self.addCleanup(cleanup) - - def listdir(_): - return ['foo.py'] - def isfile(_): - return True - def isdir(_): - return True - os.listdir = listdir - os.path.isfile = isfile - os.path.isdir = isdir - if os.name == 'nt': - # ntpath.realpath may inject path prefixes when failing to - # resolve real files, so we substitute abspath() here instead. - os.path.realpath = os.path.abspath - return full_path - - def test_detect_module_clash(self): - full_path = self.setup_module_clash() - loader = unittest.TestLoader() - - mod_dir = os.path.abspath('bar') - expected_dir = os.path.abspath('foo') - msg = re.escape(r"'foo' module incorrectly imported from %r. Expected %r. " - "Is this module globally installed?" % (mod_dir, expected_dir)) - self.assertRaisesRegex( - ImportError, '^%s$' % msg, loader.discover, - start_dir='foo', pattern='foo.py' - ) - self.assertEqual(sys.path[0], full_path) - - def test_module_symlink_ok(self): - full_path = self.setup_module_clash() - - original_realpath = os.path.realpath - - mod_dir = os.path.abspath('bar') - expected_dir = os.path.abspath('foo') - - def cleanup(): - os.path.realpath = original_realpath - self.addCleanup(cleanup) - - def realpath(path): - if path == os.path.join(mod_dir, 'foo.py'): - return os.path.join(expected_dir, 'foo.py') - return path - os.path.realpath = realpath - loader = unittest.TestLoader() - loader.discover(start_dir='foo', pattern='foo.py') - - def test_discovery_from_dotted_path(self): - loader = unittest.TestLoader() - - tests = [self] - expectedPath = os.path.abspath(os.path.dirname(unittest.test.__file__)) - - self.wasRun = False - def _find_tests(start_dir, pattern): - self.wasRun = True - self.assertEqual(start_dir, expectedPath) - return tests - loader._find_tests = _find_tests - suite = loader.discover('unittest.test') - self.assertTrue(self.wasRun) - self.assertEqual(suite._tests, tests) - - - def test_discovery_from_dotted_path_builtin_modules(self): - - loader = unittest.TestLoader() - - listdir = os.listdir - os.listdir = lambda _: ['test_this_does_not_exist.py'] - isfile = os.path.isfile - isdir = os.path.isdir - os.path.isdir = lambda _: False - orig_sys_path = sys.path[:] - def restore(): - os.path.isfile = isfile - os.path.isdir = isdir - os.listdir = listdir - sys.path[:] = orig_sys_path - self.addCleanup(restore) - - with self.assertRaises(TypeError) as cm: - loader.discover('sys') - self.assertEqual(str(cm.exception), - 'Can not use builtin modules ' - 'as dotted module names') - - def test_discovery_failed_discovery(self): - loader = unittest.TestLoader() - package = types.ModuleType('package') - - def _import(packagename, *args, **kwargs): - sys.modules[packagename] = package - return package - - with unittest.mock.patch('builtins.__import__', _import): - # Since loader.discover() can modify sys.path, restore it when done. - with import_helper.DirsOnSysPath(): - # Make sure to remove 'package' from sys.modules when done. - with test.test_importlib.util.uncache('package'): - with self.assertRaises(TypeError) as cm: - loader.discover('package') - self.assertEqual(str(cm.exception), - 'don\'t know how to discover from {!r}' - .format(package)) - - -if __name__ == '__main__': - unittest.main() |