| 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, namespace=None): |
| _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, namespace=None): |
| 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_from_dotted_namespace_packages(self): |
| loader = unittest.TestLoader() |
| |
| package = types.ModuleType('package') |
| package.__path__ = ['/a', '/b'] |
| package.__spec__ = types.SimpleNamespace( |
| loader=None, |
| submodule_search_locations=['/a', '/b'] |
| ) |
| |
| def _import(packagename, *args, **kwargs): |
| sys.modules[packagename] = package |
| return package |
| |
| _find_tests_args = [] |
| def _find_tests(start_dir, pattern, namespace=None): |
| _find_tests_args.append((start_dir, pattern)) |
| return ['%s/tests' % start_dir] |
| |
| loader._find_tests = _find_tests |
| loader.suiteClass = list |
| |
| 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'): |
| suite = loader.discover('package') |
| |
| self.assertEqual(suite, ['/a/tests', '/b/tests']) |
| |
| 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() |