diff options
Diffstat (limited to 'Lib/test/test_importlib/test_util.py')
| -rw-r--r-- | Lib/test/test_importlib/test_util.py | 152 |
1 files changed, 115 insertions, 37 deletions
diff --git a/Lib/test/test_importlib/test_util.py b/Lib/test/test_importlib/test_util.py index 9428471..cd9344c 100644 --- a/Lib/test/test_importlib/test_util.py +++ b/Lib/test/test_importlib/test_util.py @@ -1,8 +1,8 @@ -import importlib.util -from . import util as test_util -init = test_util.import_importlib('importlib') -machinery = test_util.import_importlib('importlib.machinery') -util = test_util.import_importlib('importlib.util') +from . import util +abc = util.import_importlib('importlib.abc') +init = util.import_importlib('importlib') +machinery = util.import_importlib('importlib.machinery') +importlib_util = util.import_importlib('importlib.util') import os import sys @@ -35,7 +35,85 @@ class DecodeSourceBytesTests: (Frozen_DecodeSourceBytesTests, Source_DecodeSourceBytesTests - ) = test_util.test_both(DecodeSourceBytesTests, util=util) + ) = util.test_both(DecodeSourceBytesTests, util=importlib_util) + + +class ModuleFromSpecTests: + + def test_no_create_module(self): + class Loader(self.abc.Loader): + pass + spec = self.machinery.ModuleSpec('test', Loader()) + module = self.util.module_from_spec(spec) + self.assertIsInstance(module, types.ModuleType) + self.assertEqual(module.__name__, spec.name) + + def test_create_module_returns_None(self): + class Loader(self.abc.Loader): + def create_module(self, spec): + return None + spec = self.machinery.ModuleSpec('test', Loader()) + module = self.util.module_from_spec(spec) + self.assertIsInstance(module, types.ModuleType) + self.assertEqual(module.__name__, spec.name) + + def test_create_module(self): + name = 'already set' + class CustomModule(types.ModuleType): + pass + class Loader(self.abc.Loader): + def create_module(self, spec): + module = CustomModule(spec.name) + module.__name__ = name + return module + spec = self.machinery.ModuleSpec('test', Loader()) + module = self.util.module_from_spec(spec) + self.assertIsInstance(module, CustomModule) + self.assertEqual(module.__name__, name) + + def test___name__(self): + spec = self.machinery.ModuleSpec('test', object()) + module = self.util.module_from_spec(spec) + self.assertEqual(module.__name__, spec.name) + + def test___spec__(self): + spec = self.machinery.ModuleSpec('test', object()) + module = self.util.module_from_spec(spec) + self.assertEqual(module.__spec__, spec) + + def test___loader__(self): + loader = object() + spec = self.machinery.ModuleSpec('test', loader) + module = self.util.module_from_spec(spec) + self.assertIs(module.__loader__, loader) + + def test___package__(self): + spec = self.machinery.ModuleSpec('test.pkg', object()) + module = self.util.module_from_spec(spec) + self.assertEqual(module.__package__, spec.parent) + + def test___path__(self): + spec = self.machinery.ModuleSpec('test', object(), is_package=True) + module = self.util.module_from_spec(spec) + self.assertEqual(module.__path__, spec.submodule_search_locations) + + def test___file__(self): + spec = self.machinery.ModuleSpec('test', object(), origin='some/path') + spec.has_location = True + module = self.util.module_from_spec(spec) + self.assertEqual(module.__file__, spec.origin) + + def test___cached__(self): + spec = self.machinery.ModuleSpec('test', object()) + spec.cached = 'some/path' + spec.has_location = True + module = self.util.module_from_spec(spec) + self.assertEqual(module.__cached__, spec.cached) + +(Frozen_ModuleFromSpecTests, + Source_ModuleFromSpecTests +) = util.test_both(ModuleFromSpecTests, abc=abc, machinery=machinery, + util=importlib_util) class ModuleForLoaderTests: @@ -72,7 +150,7 @@ class ModuleForLoaderTests: # Test that when no module exists in sys.modules a new module is # created. module_name = 'a.b.c' - with test_util.uncache(module_name): + with util.uncache(module_name): module = self.return_module(module_name) self.assertIn(module_name, sys.modules) self.assertIsInstance(module, types.ModuleType) @@ -90,7 +168,7 @@ class ModuleForLoaderTests: module = types.ModuleType('a.b.c') module.__loader__ = 42 module.__package__ = 42 - with test_util.uncache(name): + with util.uncache(name): sys.modules[name] = module loader = FakeLoader() returned_module = loader.load_module(name) @@ -102,7 +180,7 @@ class ModuleForLoaderTests: # Test that a module is removed from sys.modules if added but an # exception is raised. name = 'a.b.c' - with test_util.uncache(name): + with util.uncache(name): self.raise_exception(name) self.assertNotIn(name, sys.modules) @@ -110,7 +188,7 @@ class ModuleForLoaderTests: # Test that a failure on reload leaves the module in-place. name = 'a.b.c' module = types.ModuleType(name) - with test_util.uncache(name): + with util.uncache(name): sys.modules[name] = module self.raise_exception(name) self.assertIs(module, sys.modules[name]) @@ -129,7 +207,7 @@ class ModuleForLoaderTests: name = 'mod' module = FalseModule(name) - with test_util.uncache(name): + with util.uncache(name): self.assertFalse(module) sys.modules[name] = module given = self.return_module(name) @@ -148,7 +226,7 @@ class ModuleForLoaderTests: return module name = 'pkg.mod' - with test_util.uncache(name): + with util.uncache(name): loader = FakeLoader(False) module = loader.load_module(name) self.assertEqual(module.__name__, name) @@ -156,7 +234,7 @@ class ModuleForLoaderTests: self.assertEqual(module.__package__, 'pkg') name = 'pkg.sub' - with test_util.uncache(name): + with util.uncache(name): loader = FakeLoader(True) module = loader.load_module(name) self.assertEqual(module.__name__, name) @@ -166,7 +244,7 @@ class ModuleForLoaderTests: (Frozen_ModuleForLoaderTests, Source_ModuleForLoaderTests - ) = test_util.test_both(ModuleForLoaderTests, util=util) + ) = util.test_both(ModuleForLoaderTests, util=importlib_util) class SetPackageTests: @@ -229,7 +307,7 @@ class SetPackageTests: (Frozen_SetPackageTests, Source_SetPackageTests - ) = test_util.test_both(SetPackageTests, util=util) + ) = util.test_both(SetPackageTests, util=importlib_util) class SetLoaderTests: @@ -276,7 +354,7 @@ class SetLoaderTests: (Frozen_SetLoaderTests, Source_SetLoaderTests - ) = test_util.test_both(SetLoaderTests, util=util) + ) = util.test_both(SetLoaderTests, util=importlib_util) class ResolveNameTests: @@ -314,7 +392,7 @@ class ResolveNameTests: (Frozen_ResolveNameTests, Source_ResolveNameTests - ) = test_util.test_both(ResolveNameTests, util=util) + ) = util.test_both(ResolveNameTests, util=importlib_util) class FindSpecTests: @@ -325,7 +403,7 @@ class FindSpecTests: def test_sys_modules(self): name = 'some_mod' - with test_util.uncache(name): + with util.uncache(name): module = types.ModuleType(name) loader = 'a loader!' spec = self.machinery.ModuleSpec(name, loader) @@ -337,7 +415,7 @@ class FindSpecTests: def test_sys_modules_without___loader__(self): name = 'some_mod' - with test_util.uncache(name): + with util.uncache(name): module = types.ModuleType(name) del module.__loader__ loader = 'a loader!' @@ -349,7 +427,7 @@ class FindSpecTests: def test_sys_modules_spec_is_None(self): name = 'some_mod' - with test_util.uncache(name): + with util.uncache(name): module = types.ModuleType(name) module.__spec__ = None sys.modules[name] = module @@ -358,7 +436,7 @@ class FindSpecTests: def test_sys_modules_loader_is_None(self): name = 'some_mod' - with test_util.uncache(name): + with util.uncache(name): module = types.ModuleType(name) spec = self.machinery.ModuleSpec(name, None) module.__spec__ = spec @@ -368,7 +446,7 @@ class FindSpecTests: def test_sys_modules_spec_is_not_set(self): name = 'some_mod' - with test_util.uncache(name): + with util.uncache(name): module = types.ModuleType(name) try: del module.__spec__ @@ -380,8 +458,8 @@ class FindSpecTests: def test_success(self): name = 'some_mod' - with test_util.uncache(name): - with test_util.import_state(meta_path=[self.FakeMetaFinder]): + with util.uncache(name): + with util.import_state(meta_path=[self.FakeMetaFinder]): self.assertEqual((name, None, None), self.util.find_spec(name)) @@ -389,8 +467,8 @@ class FindSpecTests: # # Searching on a path should work. # name = 'some_mod' # path = 'path to some place' -# with test_util.uncache(name): -# with test_util.import_state(meta_path=[self.FakeMetaFinder]): +# with util.uncache(name): +# with util.import_state(meta_path=[self.FakeMetaFinder]): # self.assertEqual((name, path, None), # self.util.find_spec(name, path)) @@ -401,8 +479,8 @@ class FindSpecTests: def test_find_submodule(self): name = 'spam' subname = 'ham' - with test_util.temp_module(name, pkg=True) as pkg_dir: - fullname, _ = test_util.submodule(name, subname, pkg_dir) + with util.temp_module(name, pkg=True) as pkg_dir: + fullname, _ = util.submodule(name, subname, pkg_dir) spec = self.util.find_spec(fullname) self.assertIsNot(spec, None) self.assertIn(name, sorted(sys.modules)) @@ -414,9 +492,9 @@ class FindSpecTests: def test_find_submodule_parent_already_imported(self): name = 'spam' subname = 'ham' - with test_util.temp_module(name, pkg=True) as pkg_dir: + with util.temp_module(name, pkg=True) as pkg_dir: self.init.import_module(name) - fullname, _ = test_util.submodule(name, subname, pkg_dir) + fullname, _ = util.submodule(name, subname, pkg_dir) spec = self.util.find_spec(fullname) self.assertIsNot(spec, None) self.assertIn(name, sorted(sys.modules)) @@ -428,8 +506,8 @@ class FindSpecTests: def test_find_relative_module(self): name = 'spam' subname = 'ham' - with test_util.temp_module(name, pkg=True) as pkg_dir: - fullname, _ = test_util.submodule(name, subname, pkg_dir) + with util.temp_module(name, pkg=True) as pkg_dir: + fullname, _ = util.submodule(name, subname, pkg_dir) relname = '.' + subname spec = self.util.find_spec(relname, name) self.assertIsNot(spec, None) @@ -442,8 +520,8 @@ class FindSpecTests: def test_find_relative_module_missing_package(self): name = 'spam' subname = 'ham' - with test_util.temp_module(name, pkg=True) as pkg_dir: - fullname, _ = test_util.submodule(name, subname, pkg_dir) + with util.temp_module(name, pkg=True) as pkg_dir: + fullname, _ = util.submodule(name, subname, pkg_dir) relname = '.' + subname with self.assertRaises(ValueError): self.util.find_spec(relname) @@ -453,7 +531,7 @@ class FindSpecTests: (Frozen_FindSpecTests, Source_FindSpecTests - ) = test_util.test_both(FindSpecTests, init=init, util=util, + ) = util.test_both(FindSpecTests, init=init, util=importlib_util, machinery=machinery) @@ -470,7 +548,7 @@ class MagicNumberTests: (Frozen_MagicNumberTests, Source_MagicNumberTests - ) = test_util.test_both(MagicNumberTests, util=util) + ) = util.test_both(MagicNumberTests, util=importlib_util) class PEP3147Tests: @@ -588,7 +666,7 @@ class PEP3147Tests: (Frozen_PEP3147Tests, Source_PEP3147Tests - ) = test_util.test_both(PEP3147Tests, util=util) + ) = util.test_both(PEP3147Tests, util=importlib_util) if __name__ == '__main__': |