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-rw-r--r--Lib/test/test_importlib/test_abc.py419
-rw-r--r--Lib/test/test_importlib/util.py9
2 files changed, 308 insertions, 120 deletions
diff --git a/Lib/test/test_importlib/test_abc.py b/Lib/test/test_importlib/test_abc.py
index 0d0bcd1..bfdd6f1 100644
--- a/Lib/test/test_importlib/test_abc.py
+++ b/Lib/test/test_importlib/test_abc.py
@@ -1,8 +1,3 @@
-import importlib
-import importlib.util
-from importlib import abc
-from importlib import machinery
-
import contextlib
import inspect
import io
@@ -16,6 +11,10 @@ from unittest import mock
from . import util
+frozen_init, source_init = util.import_importlib('importlib')
+frozen_abc, source_abc = util.import_importlib('importlib.abc')
+frozen_util, source_util = util.import_importlib('importlib.util')
+
##### Inheritance ##############################################################
class InheritanceTests:
@@ -27,8 +26,19 @@ class InheritanceTests:
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
+ self.superclasses = [getattr(self.abc, class_name)
+ for class_name in self.superclass_names]
+ if hasattr(self, 'subclass_names'):
+ # Because test.support.import_fresh_module() creates a new
+ # importlib._bootstrap per module, inheritance checks fail when
+ # checking across module boundaries (i.e. the _bootstrap in abc is
+ # not the same as the one in machinery). That means stealing one of
+ # the modules from the other to make sure the same instance is used.
+ self.subclasses = [getattr(self.abc.machinery, class_name)
+ for class_name in self.subclass_names]
assert self.subclasses or self.superclasses, self.__class__
- self.__test = getattr(abc, self.__class__.__name__)
+ testing = self.__class__.__name__.partition('_')[2]
+ self.__test = getattr(self.abc, testing)
def test_subclasses(self):
# Test that the expected subclasses inherit.
@@ -42,59 +52,104 @@ class InheritanceTests:
self.assertTrue(issubclass(self.__test, superclass),
"{0} is not a superclass of {1}".format(superclass, self.__test))
+def create_inheritance_tests(base_class):
+ def set_frozen(ns):
+ ns['abc'] = frozen_abc
+ def set_source(ns):
+ ns['abc'] = source_abc
+
+ classes = []
+ for prefix, ns_set in [('Frozen', set_frozen), ('Source', set_source)]:
+ classes.append(types.new_class('_'.join([prefix, base_class.__name__]),
+ (base_class, unittest.TestCase),
+ exec_body=ns_set))
+ return classes
-class MetaPathFinder(InheritanceTests, unittest.TestCase):
- superclasses = [abc.Finder]
- subclasses = [machinery.BuiltinImporter, machinery.FrozenImporter,
- machinery.PathFinder, machinery.WindowsRegistryFinder]
+class MetaPathFinder(InheritanceTests):
+ superclass_names = ['Finder']
+ subclass_names = ['BuiltinImporter', 'FrozenImporter', 'PathFinder',
+ 'WindowsRegistryFinder']
+tests = create_inheritance_tests(MetaPathFinder)
+Frozen_MetaPathFinderInheritanceTests, Source_MetaPathFinderInheritanceTests = tests
-class PathEntryFinder(InheritanceTests, unittest.TestCase):
- superclasses = [abc.Finder]
- subclasses = [machinery.FileFinder]
+class PathEntryFinder(InheritanceTests):
+ superclass_names = ['Finder']
+ subclass_names = ['FileFinder']
+tests = create_inheritance_tests(PathEntryFinder)
+Frozen_PathEntryFinderInheritanceTests, Source_PathEntryFinderInheritanceTests = tests
-class ResourceLoader(InheritanceTests, unittest.TestCase):
- superclasses = [abc.Loader]
+class ResourceLoader(InheritanceTests):
+ superclass_names = ['Loader']
+tests = create_inheritance_tests(ResourceLoader)
+Frozen_ResourceLoaderInheritanceTests, Source_ResourceLoaderInheritanceTests = tests
-class InspectLoader(InheritanceTests, unittest.TestCase):
- superclasses = [abc.Loader]
- subclasses = [machinery.BuiltinImporter,
- machinery.FrozenImporter, machinery.ExtensionFileLoader]
+class InspectLoader(InheritanceTests):
+ superclass_names = ['Loader']
+ subclass_names = ['BuiltinImporter', 'FrozenImporter', 'ExtensionFileLoader']
+tests = create_inheritance_tests(InspectLoader)
+Frozen_InspectLoaderInheritanceTests, Source_InspectLoaderInheritanceTests = tests
-class ExecutionLoader(InheritanceTests, unittest.TestCase):
- superclasses = [abc.InspectLoader]
+class ExecutionLoader(InheritanceTests):
+ superclass_names = ['InspectLoader']
+tests = create_inheritance_tests(ExecutionLoader)
+Frozen_ExecutionLoaderInheritanceTests, Source_ExecutionLoaderInheritanceTests = tests
-class FileLoader(InheritanceTests, unittest.TestCase):
- superclasses = [abc.ResourceLoader, abc.ExecutionLoader]
- subclasses = [machinery.SourceFileLoader, machinery.SourcelessFileLoader]
+class FileLoader(InheritanceTests):
+ superclass_names = ['ResourceLoader', 'ExecutionLoader']
+ subclass_names = ['SourceFileLoader', 'SourcelessFileLoader']
+tests = create_inheritance_tests(FileLoader)
+Frozen_FileLoaderInheritanceTests, Source_FileLoaderInheritanceTests = tests
-class SourceLoader(InheritanceTests, unittest.TestCase):
- superclasses = [abc.ResourceLoader, abc.ExecutionLoader]
- subclasses = [machinery.SourceFileLoader]
+class SourceLoader(InheritanceTests):
+ superclass_names = ['ResourceLoader', 'ExecutionLoader']
+ subclass_names = ['SourceFileLoader']
+tests = create_inheritance_tests(SourceLoader)
+Frozen_SourceLoaderInheritanceTests, Source_SourceLoaderInheritanceTests = tests
##### Default return values ####################################################
-class MetaPathFinderSubclass(abc.MetaPathFinder):
+def make_abc_subclasses(base_class):
+ classes = []
+ for kind, abc in [('Frozen', frozen_abc), ('Source', source_abc)]:
+ name = '_'.join([kind, base_class.__name__])
+ base_classes = base_class, getattr(abc, base_class.__name__)
+ classes.append(types.new_class(name, base_classes))
+ return classes
+
+def make_return_value_tests(base_class, test_class):
+ frozen_class, source_class = make_abc_subclasses(base_class)
+ tests = []
+ for prefix, class_in_test in [('Frozen', frozen_class), ('Source', source_class)]:
+ def set_ns(ns):
+ ns['ins'] = class_in_test()
+ tests.append(types.new_class('_'.join([prefix, test_class.__name__]),
+ (test_class, unittest.TestCase),
+ exec_body=set_ns))
+ return tests
+
+
+class MetaPathFinder:
def find_module(self, fullname, path):
return super().find_module(fullname, path)
+Frozen_MPF, Source_MPF = make_abc_subclasses(MetaPathFinder)
-class MetaPathFinderDefaultsTests(unittest.TestCase):
- ins = MetaPathFinderSubclass()
+class MetaPathFinderDefaultsTests:
def test_find_module(self):
# Default should return None.
@@ -105,15 +160,19 @@ class MetaPathFinderDefaultsTests(unittest.TestCase):
self.ins.invalidate_caches()
-class PathEntryFinderSubclass(abc.PathEntryFinder):
+tests = make_return_value_tests(MetaPathFinder, MetaPathFinderDefaultsTests)
+Frozen_MPFDefaultTests, Source_MPFDefaultTests = tests
+
+
+class PathEntryFinder:
def find_loader(self, fullname):
return super().find_loader(fullname)
+Frozen_PEF, Source_PEF = make_abc_subclasses(PathEntryFinder)
-class PathEntryFinderDefaultsTests(unittest.TestCase):
- ins = PathEntryFinderSubclass()
+class PathEntryFinderDefaultsTests:
def test_find_loader(self):
self.assertEqual((None, []), self.ins.find_loader('something'))
@@ -126,15 +185,20 @@ class PathEntryFinderDefaultsTests(unittest.TestCase):
self.ins.invalidate_caches()
-class LoaderSubclass(abc.Loader):
+tests = make_return_value_tests(PathEntryFinder, PathEntryFinderDefaultsTests)
+Frozen_PEFDefaultTests, Source_PEFDefaultTests = tests
+
+
+class Loader:
def load_module(self, fullname):
return super().load_module(fullname)
-class LoaderDefaultsTests(unittest.TestCase):
+Frozen_L, Source_L = make_abc_subclasses(Loader)
+
- ins = LoaderSubclass()
+class LoaderDefaultsTests:
def test_load_module(self):
with self.assertRaises(ImportError):
@@ -150,22 +214,31 @@ class LoaderDefaultsTests(unittest.TestCase):
self.assertTrue(repr(mod))
-class ResourceLoaderSubclass(LoaderSubclass, abc.ResourceLoader):
+tests = make_return_value_tests(Loader, LoaderDefaultsTests)
+Frozen_LDefaultTests, SourceLDefaultTests = tests
+
+
+class ResourceLoader(Loader):
def get_data(self, path):
return super().get_data(path)
-class ResourceLoaderDefaultsTests(unittest.TestCase):
+Frozen_RL, Source_RL = make_abc_subclasses(ResourceLoader)
- ins = ResourceLoaderSubclass()
+
+class ResourceLoaderDefaultsTests:
def test_get_data(self):
with self.assertRaises(IOError):
self.ins.get_data('/some/path')
-class InspectLoaderSubclass(LoaderSubclass, abc.InspectLoader):
+tests = make_return_value_tests(ResourceLoader, ResourceLoaderDefaultsTests)
+Frozen_RLDefaultTests, Source_RLDefaultTests = tests
+
+
+class InspectLoader(Loader):
def is_package(self, fullname):
return super().is_package(fullname)
@@ -174,9 +247,10 @@ class InspectLoaderSubclass(LoaderSubclass, abc.InspectLoader):
return super().get_source(fullname)
-class InspectLoaderDefaultsTests(unittest.TestCase):
+Frozen_IL, Source_IL = make_abc_subclasses(InspectLoader)
- ins = InspectLoaderSubclass()
+
+class InspectLoaderDefaultsTests:
def test_is_package(self):
with self.assertRaises(ImportError):
@@ -187,37 +261,52 @@ class InspectLoaderDefaultsTests(unittest.TestCase):
self.ins.get_source('blah')
-class ExecutionLoaderSubclass(InspectLoaderSubclass, abc.ExecutionLoader):
+tests = make_return_value_tests(InspectLoader, InspectLoaderDefaultsTests)
+Frozen_ILDefaultTests, Source_ILDefaultTests = tests
+
+
+class ExecutionLoader(InspectLoader):
def get_filename(self, fullname):
return super().get_filename(fullname)
+Frozen_EL, Source_EL = make_abc_subclasses(ExecutionLoader)
-class ExecutionLoaderDefaultsTests(unittest.TestCase):
- ins = ExecutionLoaderSubclass()
+class ExecutionLoaderDefaultsTests:
def test_get_filename(self):
with self.assertRaises(ImportError):
self.ins.get_filename('blah')
+
+tests = make_return_value_tests(ExecutionLoader, InspectLoaderDefaultsTests)
+Frozen_ELDefaultTests, Source_ELDefaultsTests = tests
+
##### Loader concrete methods ##################################################
-class LoaderConcreteMethodTests(unittest.TestCase):
+class LoaderConcreteMethodTests:
def test_init_module_attrs(self):
- loader = LoaderSubclass()
+ loader = self.LoaderSubclass()
module = types.ModuleType('blah')
loader.init_module_attrs(module)
self.assertEqual(module.__loader__, loader)
+class Frozen_LoaderConcreateMethodTests(LoaderConcreteMethodTests, unittest.TestCase):
+ LoaderSubclass = Frozen_L
+
+class Source_LoaderConcreateMethodTests(LoaderConcreteMethodTests, unittest.TestCase):
+ LoaderSubclass = Source_L
+
+
##### InspectLoader concrete methods ###########################################
-class InspectLoaderSourceToCodeTests(unittest.TestCase):
+class InspectLoaderSourceToCodeTests:
def source_to_module(self, data, path=None):
"""Help with source_to_code() tests."""
module = types.ModuleType('blah')
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
if path is None:
code = loader.source_to_code(data)
else:
@@ -242,54 +331,67 @@ class InspectLoaderSourceToCodeTests(unittest.TestCase):
def test_source_to_code_path(self):
# Specifying a path should set it for the code object.
path = 'path/to/somewhere'
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
code = loader.source_to_code('', path)
self.assertEqual(code.co_filename, path)
def test_source_to_code_no_path(self):
# Not setting a path should still work and be set to <string> since that
# is a pre-existing practice as a default to compile().
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
code = loader.source_to_code('')
self.assertEqual(code.co_filename, '<string>')
-class InspectLoaderGetCodeTests(unittest.TestCase):
+class Frozen_ILSourceToCodeTests(InspectLoaderSourceToCodeTests, unittest.TestCase):
+ InspectLoaderSubclass = Frozen_IL
+
+class Source_ILSourceToCodeTests(InspectLoaderSourceToCodeTests, unittest.TestCase):
+ InspectLoaderSubclass = Source_IL
+
+
+class InspectLoaderGetCodeTests:
def test_get_code(self):
# Test success.
module = types.ModuleType('blah')
- with mock.patch.object(InspectLoaderSubclass, 'get_source') as mocked:
+ with mock.patch.object(self.InspectLoaderSubclass, 'get_source') as mocked:
mocked.return_value = 'attr = 42'
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
code = loader.get_code('blah')
exec(code, module.__dict__)
self.assertEqual(module.attr, 42)
def test_get_code_source_is_None(self):
# If get_source() is None then this should be None.
- with mock.patch.object(InspectLoaderSubclass, 'get_source') as mocked:
+ with mock.patch.object(self.InspectLoaderSubclass, 'get_source') as mocked:
mocked.return_value = None
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
code = loader.get_code('blah')
self.assertIsNone(code)
def test_get_code_source_not_found(self):
# If there is no source then there is no code object.
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
with self.assertRaises(ImportError):
loader.get_code('blah')
-class InspectLoaderInitModuleTests(unittest.TestCase):
+class Frozen_ILGetCodeTests(InspectLoaderGetCodeTests, unittest.TestCase):
+ InspectLoaderSubclass = Frozen_IL
- @staticmethod
- def mock_is_package(return_value):
- return mock.patch.object(InspectLoaderSubclass, 'is_package',
+class Source_ILGetCodeTests(InspectLoaderGetCodeTests, unittest.TestCase):
+ InspectLoaderSubclass = Source_IL
+
+
+class InspectLoaderInitModuleTests:
+
+ def mock_is_package(self, return_value):
+ return mock.patch.object(self.InspectLoaderSubclass, 'is_package',
return_value=return_value)
def init_module_attrs(self, name):
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertEqual(module.__loader__, loader)
@@ -329,7 +431,14 @@ class InspectLoaderInitModuleTests(unittest.TestCase):
self.assertFalse(hasattr(module, '__path__'))
-class InspectLoaderLoadModuleTests(unittest.TestCase):
+class Frozen_ILInitModuleTests(InspectLoaderInitModuleTests, unittest.TestCase):
+ InspectLoaderSubclass = Frozen_IL
+
+class Source_ILInitModuleTests(InspectLoaderInitModuleTests, unittest.TestCase):
+ InspectLoaderSubclass = Source_IL
+
+
+class InspectLoaderLoadModuleTests:
"""Test InspectLoader.load_module()."""
@@ -340,14 +449,14 @@ class InspectLoaderLoadModuleTests(unittest.TestCase):
self.addCleanup(support.unload, self.module_name)
def mock_get_code(self):
- return mock.patch.object(InspectLoaderSubclass, 'get_code')
+ return mock.patch.object(self.InspectLoaderSubclass, 'get_code')
def test_get_code_ImportError(self):
# If get_code() raises ImportError, it should propagate.
with self.mock_get_code() as mocked_get_code:
mocked_get_code.side_effect = ImportError
with self.assertRaises(ImportError):
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
loader.load_module(self.module_name)
def test_get_code_None(self):
@@ -355,7 +464,7 @@ class InspectLoaderLoadModuleTests(unittest.TestCase):
with self.mock_get_code() as mocked_get_code:
mocked_get_code.return_value = None
with self.assertRaises(ImportError):
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
loader.load_module(self.module_name)
def test_module_returned(self):
@@ -363,21 +472,28 @@ class InspectLoaderLoadModuleTests(unittest.TestCase):
code = compile('attr = 42', '<string>', 'exec')
with self.mock_get_code() as mocked_get_code:
mocked_get_code.return_value = code
- loader = InspectLoaderSubclass()
+ loader = self.InspectLoaderSubclass()
module = loader.load_module(self.module_name)
self.assertEqual(module, sys.modules[self.module_name])
+class Frozen_ILLoadModuleTests(InspectLoaderLoadModuleTests, unittest.TestCase):
+ InspectLoaderSubclass = Frozen_IL
+
+class Source_ILLoadModuleTests(InspectLoaderLoadModuleTests, unittest.TestCase):
+ InspectLoaderSubclass = Source_IL
+
+
##### ExecutionLoader concrete methods #########################################
-class ExecutionLoaderGetCodeTests(unittest.TestCase):
+class ExecutionLoaderGetCodeTests:
def mock_methods(self, *, get_source=False, get_filename=False):
source_mock_context, filename_mock_context = None, None
if get_source:
- source_mock_context = mock.patch.object(ExecutionLoaderSubclass,
+ source_mock_context = mock.patch.object(self.ExecutionLoaderSubclass,
'get_source')
if get_filename:
- filename_mock_context = mock.patch.object(ExecutionLoaderSubclass,
+ filename_mock_context = mock.patch.object(self.ExecutionLoaderSubclass,
'get_filename')
return source_mock_context, filename_mock_context
@@ -388,7 +504,7 @@ class ExecutionLoaderGetCodeTests(unittest.TestCase):
with source_mock_context as source_mock, filename_mock_context as name_mock:
source_mock.return_value = 'attr = 42'
name_mock.return_value = path
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
code = loader.get_code('blah')
self.assertEqual(code.co_filename, path)
module = types.ModuleType('blah')
@@ -400,13 +516,13 @@ class ExecutionLoaderGetCodeTests(unittest.TestCase):
source_mock_context, _ = self.mock_methods(get_source=True)
with source_mock_context as mocked:
mocked.return_value = None
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
code = loader.get_code('blah')
self.assertIsNone(code)
def test_get_code_source_not_found(self):
# If there is no source then there is no code object.
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
with self.assertRaises(ImportError):
loader.get_code('blah')
@@ -418,7 +534,7 @@ class ExecutionLoaderGetCodeTests(unittest.TestCase):
with source_mock_context as source_mock, filename_mock_context as name_mock:
source_mock.return_value = 'attr = 42'
name_mock.side_effect = ImportError
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
code = loader.get_code('blah')
self.assertEqual(code.co_filename, '<string>')
module = types.ModuleType('blah')
@@ -426,13 +542,23 @@ class ExecutionLoaderGetCodeTests(unittest.TestCase):
self.assertEqual(module.attr, 42)
-class ExecutionLoaderInitModuleTests(unittest.TestCase):
+class Frozen_ELGetCodeTests(ExecutionLoaderGetCodeTests, unittest.TestCase):
+ ExecutionLoaderSubclass = Frozen_EL
+
+class Source_ELGetCodeTests(ExecutionLoaderGetCodeTests, unittest.TestCase):
+ ExecutionLoaderSubclass = Source_EL
+
+
+class ExecutionLoaderInitModuleTests:
+
+ def mock_is_package(self, return_value):
+ return mock.patch.object(self.ExecutionLoaderSubclass, 'is_package',
+ return_value=return_value)
- @staticmethod
@contextlib.contextmanager
- def mock_methods(is_package, filename):
- is_package_manager = InspectLoaderInitModuleTests.mock_is_package(is_package)
- get_filename_manager = mock.patch.object(ExecutionLoaderSubclass,
+ def mock_methods(self, is_package, filename):
+ is_package_manager = self.mock_is_package(is_package)
+ get_filename_manager = mock.patch.object(self.ExecutionLoaderSubclass,
'get_filename', return_value=filename)
with is_package_manager as mock_is_package:
with get_filename_manager as mock_get_filename:
@@ -444,7 +570,7 @@ class ExecutionLoaderInitModuleTests(unittest.TestCase):
name = 'blah'
path = os.path.join('some', 'path', '{}.py'.format(name))
with self.mock_methods(False, path):
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertIs(module.__loader__, loader)
@@ -457,7 +583,7 @@ class ExecutionLoaderInitModuleTests(unittest.TestCase):
name = 'pkg'
path = os.path.join('some', 'pkg', '__init__.py')
with self.mock_methods(True, path):
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertIs(module.__loader__, loader)
@@ -471,7 +597,7 @@ class ExecutionLoaderInitModuleTests(unittest.TestCase):
name = 'pkg.submodule'
path = os.path.join('some', 'pkg', 'submodule.py')
with self.mock_methods(False, path):
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertEqual(module.__package__, 'pkg')
@@ -484,14 +610,21 @@ class ExecutionLoaderInitModuleTests(unittest.TestCase):
path = 'blah.py'
with self.mock_methods(False, path) as mocked_methods:
mocked_methods['get_filename'].side_effect = ImportError
- loader = ExecutionLoaderSubclass()
+ loader = self.ExecutionLoaderSubclass()
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertFalse(hasattr(module, '__file__'))
+class Frozen_ELInitModuleTests(ExecutionLoaderInitModuleTests, unittest.TestCase):
+ ExecutionLoaderSubclass = Frozen_EL
+
+class Source_ELInitModuleTests(ExecutionLoaderInitModuleTests, unittest.TestCase):
+ ExecutionLoaderSubclass = Source_EL
+
+
##### SourceLoader concrete methods ############################################
-class SourceOnlyLoaderMock(abc.SourceLoader):
+class SourceLoader:
# Globals that should be defined for all modules.
source = (b"_ = '::'.join([__name__, __file__, __cached__, __package__, "
@@ -512,17 +645,22 @@ class SourceOnlyLoaderMock(abc.SourceLoader):
return '<module>'
-class SourceLoaderMock(SourceOnlyLoaderMock):
+Frozen_SourceOnlyL, Source_SourceOnlyL = make_abc_subclasses(SourceLoader)
+
+
+class SourceLoader(SourceLoader):
source_mtime = 1
- def __init__(self, path, magic=importlib.util.MAGIC_NUMBER):
+ def __init__(self, path, magic=None):
super().__init__(path)
- self.bytecode_path = importlib.util.cache_from_source(self.path)
+ self.bytecode_path = self.util.cache_from_source(self.path)
self.source_size = len(self.source)
+ if magic is None:
+ magic = self.util.MAGIC_NUMBER
data = bytearray(magic)
- data.extend(importlib._w_long(self.source_mtime))
- data.extend(importlib._w_long(self.source_size))
+ data.extend(self.init._w_long(self.source_mtime))
+ data.extend(self.init._w_long(self.source_size))
code_object = compile(self.source, self.path, 'exec',
dont_inherit=True)
data.extend(marshal.dumps(code_object))
@@ -547,7 +685,14 @@ class SourceLoaderMock(SourceOnlyLoaderMock):
return path == self.bytecode_path
-class SourceLoaderTestHarness(unittest.TestCase):
+Frozen_SL, Source_SL = make_abc_subclasses(SourceLoader)
+Frozen_SL.util = frozen_util
+Source_SL.util = source_util
+Frozen_SL.init = frozen_init
+Source_SL.init = source_init
+
+
+class SourceLoaderTestHarness:
def setUp(self, *, is_package=True, **kwargs):
self.package = 'pkg'
@@ -558,7 +703,7 @@ class SourceLoaderTestHarness(unittest.TestCase):
module_name = 'mod'
self.path = os.path.join(self.package, '.'.join(['mod', 'py']))
self.name = '.'.join([self.package, module_name])
- self.cached = importlib.util.cache_from_source(self.path)
+ self.cached = self.util.cache_from_source(self.path)
self.loader = self.loader_mock(self.path, **kwargs)
def verify_module(self, module):
@@ -594,8 +739,6 @@ class SourceOnlyLoaderTests(SourceLoaderTestHarness):
"""
- loader_mock = SourceOnlyLoaderMock
-
def test_get_source(self):
# Verify the source code is returned as a string.
# If an OSError is raised by get_data then raise ImportError.
@@ -659,6 +802,15 @@ class SourceOnlyLoaderTests(SourceLoaderTestHarness):
self.assertEqual(returned_source, source)
+class Frozen_SourceOnlyLTests(SourceOnlyLoaderTests, unittest.TestCase):
+ loader_mock = Frozen_SourceOnlyL
+ util = frozen_util
+
+class Source_SourceOnlyLTests(SourceOnlyLoaderTests, unittest.TestCase):
+ loader_mock = Source_SourceOnlyL
+ util = source_util
+
+
@unittest.skipIf(sys.dont_write_bytecode, "sys.dont_write_bytecode is true")
class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
@@ -668,15 +820,13 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
"""
- loader_mock = SourceLoaderMock
-
def verify_code(self, code_object, *, bytecode_written=False):
super().verify_code(code_object)
if bytecode_written:
self.assertIn(self.cached, self.loader.written)
- data = bytearray(importlib.util.MAGIC_NUMBER)
- data.extend(importlib._w_long(self.loader.source_mtime))
- data.extend(importlib._w_long(self.loader.source_size))
+ data = bytearray(self.util.MAGIC_NUMBER)
+ data.extend(self.init._w_long(self.loader.source_mtime))
+ data.extend(self.init._w_long(self.loader.source_size))
data.extend(marshal.dumps(code_object))
self.assertEqual(self.loader.written[self.cached], bytes(data))
@@ -690,7 +840,7 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
self.loader.bytecode_path = "<does not exist>"
# Sanity check
with self.assertRaises(OSError):
- bytecode_path = importlib.util.cache_from_source(self.path)
+ bytecode_path = self.util.cache_from_source(self.path)
self.loader.get_data(bytecode_path)
code_object = self.loader.get_code(self.name)
self.verify_code(code_object, bytecode_written=True)
@@ -729,13 +879,13 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
def test_no_set_data(self):
# If set_data is not defined, one can still read bytecode.
self.setUp(magic=b'0000')
- original_set_data = self.loader.__class__.set_data
+ original_set_data = self.loader.__class__.mro()[1].set_data
try:
- del self.loader.__class__.set_data
+ del self.loader.__class__.mro()[1].set_data
code_object = self.loader.get_code(self.name)
self.verify_code(code_object)
finally:
- self.loader.__class__.set_data = original_set_data
+ self.loader.__class__.mro()[1].set_data = original_set_data
def test_set_data_raises_exceptions(self):
# Raising NotImplementedError or OSError is okay for set_data.
@@ -750,14 +900,25 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
self.verify_code(code_object)
-class SourceLoaderGetSourceTests(unittest.TestCase):
+class Frozen_SLBytecodeTests(SourceLoaderBytecodeTests, unittest.TestCase):
+ loader_mock = Frozen_SL
+ init = frozen_init
+ util = frozen_util
+
+class SourceSLBytecodeTests(SourceLoaderBytecodeTests, unittest.TestCase):
+ loader_mock = Source_SL
+ init = source_init
+ util = source_util
+
+
+class SourceLoaderGetSourceTests:
"""Tests for importlib.abc.SourceLoader.get_source()."""
def test_default_encoding(self):
# Should have no problems with UTF-8 text.
name = 'mod'
- mock = SourceOnlyLoaderMock('mod.file')
+ mock = self.SourceOnlyLoaderMock('mod.file')
source = 'x = "ü"'
mock.source = source.encode('utf-8')
returned_source = mock.get_source(name)
@@ -766,7 +927,7 @@ class SourceLoaderGetSourceTests(unittest.TestCase):
def test_decoded_source(self):
# Decoding should work.
name = 'mod'
- mock = SourceOnlyLoaderMock("mod.file")
+ mock = self.SourceOnlyLoaderMock("mod.file")
source = "# coding: Latin-1\nx='ü'"
assert source.encode('latin-1') != source.encode('utf-8')
mock.source = source.encode('latin-1')
@@ -776,14 +937,21 @@ class SourceLoaderGetSourceTests(unittest.TestCase):
def test_universal_newlines(self):
# PEP 302 says universal newlines should be used.
name = 'mod'
- mock = SourceOnlyLoaderMock('mod.file')
+ mock = self.SourceOnlyLoaderMock('mod.file')
source = "x = 42\r\ny = -13\r\n"
mock.source = source.encode('utf-8')
expect = io.IncrementalNewlineDecoder(None, True).decode(source)
self.assertEqual(mock.get_source(name), expect)
-class SourceLoaderInitModuleAttrTests(unittest.TestCase):
+class Frozen_SourceOnlyLGetSourceTests(SourceLoaderGetSourceTests, unittest.TestCase):
+ SourceOnlyLoaderMock = Frozen_SourceOnlyL
+
+class Source_SourceOnlyLGetSourceTests(SourceLoaderGetSourceTests, unittest.TestCase):
+ SourceOnlyLoaderMock = Source_SourceOnlyL
+
+
+class SourceLoaderInitModuleAttrTests:
"""Tests for importlib.abc.SourceLoader.init_module_attrs()."""
@@ -791,14 +959,31 @@ class SourceLoaderInitModuleAttrTests(unittest.TestCase):
# If __file__ set, __cached__ == importlib.util.cached_from_source(__file__).
name = 'blah'
path = 'blah.py'
- loader = SourceOnlyLoaderMock(path)
+ loader = self.SourceOnlyLoaderMock(path)
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertEqual(module.__loader__, loader)
self.assertEqual(module.__package__, '')
self.assertEqual(module.__file__, path)
- self.assertEqual(module.__cached__, importlib.util.cache_from_source(path))
+ self.assertEqual(module.__cached__, self.util.cache_from_source(path))
+
+ def test_no_get_filename(self):
+ # No __file__, no __cached__.
+ with mock.patch.object(self.SourceOnlyLoaderMock, 'get_filename') as mocked:
+ mocked.side_effect = ImportError
+ name = 'blah'
+ loader = self.SourceOnlyLoaderMock('blah.py')
+ module = types.ModuleType(name)
+ loader.init_module_attrs(module)
+ self.assertFalse(hasattr(module, '__file__'))
+ self.assertFalse(hasattr(module, '__cached__'))
+
+
+class Frozen_SLInitModuleAttrTests(SourceLoaderInitModuleAttrTests, unittest.TestCase):
+ SourceOnlyLoaderMock = Frozen_SourceOnlyL
+ util = frozen_util
+ # Difficult to test under source thanks to cross-module mocking needs.
@mock.patch('importlib._bootstrap.cache_from_source')
def test_cache_from_source_NotImplementedError(self, mock_cache_from_source):
# If importlib.util.cache_from_source() raises NotImplementedError don't set
@@ -806,22 +991,16 @@ class SourceLoaderInitModuleAttrTests(unittest.TestCase):
mock_cache_from_source.side_effect = NotImplementedError
name = 'blah'
path = 'blah.py'
- loader = SourceOnlyLoaderMock(path)
+ loader = self.SourceOnlyLoaderMock(path)
module = types.ModuleType(name)
loader.init_module_attrs(module)
self.assertEqual(module.__file__, path)
self.assertFalse(hasattr(module, '__cached__'))
- def test_no_get_filename(self):
- # No __file__, no __cached__.
- with mock.patch.object(SourceOnlyLoaderMock, 'get_filename') as mocked:
- mocked.side_effect = ImportError
- name = 'blah'
- loader = SourceOnlyLoaderMock('blah.py')
- module = types.ModuleType(name)
- loader.init_module_attrs(module)
- self.assertFalse(hasattr(module, '__file__'))
- self.assertFalse(hasattr(module, '__cached__'))
+
+class Source_SLInitModuleAttrTests(SourceLoaderInitModuleAttrTests, unittest.TestCase):
+ SourceOnlyLoaderMock = Source_SourceOnlyL
+ util = source_util
diff --git a/Lib/test/test_importlib/util.py b/Lib/test/test_importlib/util.py
index f97ca72..91a6361 100644
--- a/Lib/test/test_importlib/util.py
+++ b/Lib/test/test_importlib/util.py
@@ -6,6 +6,15 @@ import sys
import types
+def import_importlib(module_name):
+ """Import a module from importlib both w/ and w/o _frozen_importlib."""
+ fresh = ('importlib',) if '.' in module_name else ()
+ frozen = support.import_fresh_module(module_name)
+ source = support.import_fresh_module(module_name, fresh=fresh,
+ blocked=('_frozen_importlib',))
+ return frozen, source
+
+
CASE_INSENSITIVE_FS = True
# Windows is the only OS that is *always* case-insensitive
# (OS X *can* be case-sensitive).
generated by cgit v0.12 at 2024-12-01 23:47:31 (GMT)