diff options
Diffstat (limited to 'Lib/test')
-rw-r--r-- | Lib/test/test_importlib/test_abc.py | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/Lib/test/test_importlib/test_abc.py b/Lib/test/test_importlib/test_abc.py index 7c8e8fe..09b7294 100644 --- a/Lib/test/test_importlib/test_abc.py +++ b/Lib/test/test_importlib/test_abc.py @@ -14,6 +14,7 @@ from . import util frozen_init, source_init = util.import_importlib('importlib') frozen_abc, source_abc = util.import_importlib('importlib.abc') +machinery = util.import_importlib('importlib.machinery') frozen_util, source_util = util.import_importlib('importlib.util') ##### Inheritance ############################################################## @@ -285,6 +286,137 @@ class ExecutionLoaderDefaultsTests: tests = make_return_value_tests(ExecutionLoader, InspectLoaderDefaultsTests) Frozen_ELDefaultTests, Source_ELDefaultsTests = tests +##### MetaPathFinder concrete methods ########################################## + +class MetaPathFinderFindModuleTests: + + @classmethod + def finder(cls, spec): + class MetaPathSpecFinder(cls.abc.MetaPathFinder): + + def find_spec(self, fullname, path, target=None): + self.called_for = fullname, path + return spec + + return MetaPathSpecFinder() + + def test_no_spec(self): + finder = self.finder(None) + path = ['a', 'b', 'c'] + name = 'blah' + found = finder.find_module(name, path) + self.assertIsNone(found) + self.assertEqual(name, finder.called_for[0]) + self.assertEqual(path, finder.called_for[1]) + + def test_spec(self): + loader = object() + spec = self.util.spec_from_loader('blah', loader) + finder = self.finder(spec) + found = finder.find_module('blah', None) + self.assertIs(found, spec.loader) + + +Frozen_MPFFindModuleTests, Source_MPFFindModuleTests = util.test_both( + MetaPathFinderFindModuleTests, + abc=(frozen_abc, source_abc), + util=(frozen_util, source_util)) + +##### PathEntryFinder concrete methods ######################################### + +class PathEntryFinderFindLoaderTests: + + @classmethod + def finder(cls, spec): + class PathEntrySpecFinder(cls.abc.PathEntryFinder): + + def find_spec(self, fullname, target=None): + self.called_for = fullname + return spec + + return PathEntrySpecFinder() + + def test_no_spec(self): + finder = self.finder(None) + name = 'blah' + found = finder.find_loader(name) + self.assertIsNone(found[0]) + self.assertEqual([], found[1]) + self.assertEqual(name, finder.called_for) + + def test_spec_with_loader(self): + loader = object() + spec = self.util.spec_from_loader('blah', loader) + finder = self.finder(spec) + found = finder.find_loader('blah') + self.assertIs(found[0], spec.loader) + + def test_spec_with_portions(self): + spec = self.machinery.ModuleSpec('blah', None) + paths = ['a', 'b', 'c'] + spec.submodule_search_locations = paths + finder = self.finder(spec) + found = finder.find_loader('blah') + self.assertIsNone(found[0]) + self.assertEqual(paths, found[1]) + + +Frozen_PEFFindLoaderTests, Source_PEFFindLoaderTests = util.test_both( + PathEntryFinderFindLoaderTests, + abc=(frozen_abc, source_abc), + machinery=machinery, + util=(frozen_util, source_util)) + + +##### Loader concrete methods ################################################## +class LoaderLoadModuleTests: + + def loader(self): + class SpecLoader(self.abc.Loader): + found = None + def exec_module(self, module): + self.found = module + + def is_package(self, fullname): + """Force some non-default module state to be set.""" + return True + + return SpecLoader() + + def test_fresh(self): + loader = self.loader() + name = 'blah' + with util.uncache(name): + loader.load_module(name) + module = loader.found + self.assertIs(sys.modules[name], module) + self.assertEqual(loader, module.__loader__) + self.assertEqual(loader, module.__spec__.loader) + self.assertEqual(name, module.__name__) + self.assertEqual(name, module.__spec__.name) + self.assertIsNotNone(module.__path__) + self.assertIsNotNone(module.__path__, + module.__spec__.submodule_search_locations) + + def test_reload(self): + name = 'blah' + loader = self.loader() + module = types.ModuleType(name) + module.__spec__ = self.util.spec_from_loader(name, loader) + module.__loader__ = loader + with util.uncache(name): + sys.modules[name] = module + loader.load_module(name) + found = loader.found + self.assertIs(found, sys.modules[name]) + self.assertIs(module, sys.modules[name]) + + +Frozen_LoaderLoadModuleTests, Source_LoaderLoadModuleTests = util.test_both( + LoaderLoadModuleTests, + abc=(frozen_abc, source_abc), + util=(frozen_util, source_util)) + ##### InspectLoader concrete methods ########################################### class InspectLoaderSourceToCodeTests: |