관리-도구

편집 파일: test_resource.py

import sys import unittest import importlib_resources as resources import pathlib from . import data01 from . import util from importlib import import_module class ResourceTests: # Subclasses are expected to set the `data` attribute. def test_is_file_exists(self): target = resources.files(self.data) / 'binary.file' self.assertTrue(target.is_file()) def test_is_file_missing(self): target = resources.files(self.data) / 'not-a-file' self.assertFalse(target.is_file()) def test_is_dir(self): target = resources.files(self.data) / 'subdirectory' self.assertFalse(target.is_file()) self.assertTrue(target.is_dir()) class ResourceDiskTests(ResourceTests, unittest.TestCase): def setUp(self): self.data = data01 class ResourceZipTests(ResourceTests, util.ZipSetup, unittest.TestCase): pass def names(traversable): return {item.name for item in traversable.iterdir()} class ResourceLoaderTests(unittest.TestCase): def test_resource_contents(self): package = util.create_package( file=data01, path=data01.__file__, contents=['A', 'B', 'C'] ) self.assertEqual(names(resources.files(package)), {'A', 'B', 'C'}) def test_is_file(self): package = util.create_package( file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] ) self.assertTrue(resources.files(package).joinpath('B').is_file()) def test_is_dir(self): package = util.create_package( file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] ) self.assertTrue(resources.files(package).joinpath('D').is_dir()) def test_resource_missing(self): package = util.create_package( file=data01, path=data01.__file__, contents=['A', 'B', 'C', 'D/E', 'D/F'] ) self.assertFalse(resources.files(package).joinpath('Z').is_file()) class ResourceCornerCaseTests(unittest.TestCase): def test_package_has_no_reader_fallback(self): """ Test odd ball packages which: # 1. Do not have a ResourceReader as a loader # 2. Are not on the file system # 3. Are not in a zip file """ module = util.create_package( file=data01, path=data01.__file__, contents=['A', 'B', 'C'] ) # Give the module a dummy loader. module.__loader__ = object() # Give the module a dummy origin. module.__file__ = '/path/which/shall/not/be/named' module.__spec__.loader = module.__loader__ module.__spec__.origin = module.__file__ self.assertFalse(resources.files(module).joinpath('A').is_file()) class ResourceFromZipsTest01(util.ZipSetupBase, unittest.TestCase): ZIP_MODULE = 'data01' def test_is_submodule_resource(self): submodule = import_module('data01.subdirectory') self.assertTrue(resources.files(submodule).joinpath('binary.file').is_file()) def test_read_submodule_resource_by_name(self): self.assertTrue( resources.files('data01.subdirectory').joinpath('binary.file').is_file() ) def test_submodule_contents(self): submodule = import_module('data01.subdirectory') self.assertEqual( names(resources.files(submodule)), {'__init__.py', 'binary.file'} ) def test_submodule_contents_by_name(self): self.assertEqual( names(resources.files('data01.subdirectory')), {'__init__.py', 'binary.file'}, ) def test_as_file_directory(self): with resources.as_file(resources.files('data01')) as data: assert data.name == 'data01' assert data.is_dir() assert data.joinpath('subdirectory').is_dir() assert len(list(data.iterdir())) assert not data.parent.exists() class ResourceFromZipsTest02(util.ZipSetupBase, unittest.TestCase): ZIP_MODULE = 'data02' def test_unrelated_contents(self): """ Test thata zip with two unrelated subpackages return distinct resources. Ref python/importlib_resources#44. """ self.assertEqual( names(resources.files('data02.one')), {'__init__.py', 'resource1.txt'}, ) self.assertEqual( names(resources.files('data02.two')), {'__init__.py', 'resource2.txt'}, ) class DeletingZipsTest(util.ZipSetupBase, unittest.TestCase): """Having accessed resources in a zip file should not keep an open reference to the zip. """ def test_iterdir_does_not_keep_open(self): [item.name for item in resources.files('data01').iterdir()] def test_is_file_does_not_keep_open(self): resources.files('data01').joinpath('binary.file').is_file() def test_is_file_failure_does_not_keep_open(self): resources.files('data01').joinpath('not-present').is_file() @unittest.skip("Desired but not supported.") def test_as_file_does_not_keep_open(self): # pragma: no cover resources.as_file(resources.files('data01') / 'binary.file') def test_entered_path_does_not_keep_open(self): """ Mimic what certifi does on import to make its bundle available for the process duration. """ resources.as_file(resources.files('data01') / 'binary.file').__enter__() def test_read_binary_does_not_keep_open(self): resources.files('data01').joinpath('binary.file').read_bytes() def test_read_text_does_not_keep_open(self): resources.files('data01').joinpath('utf-8.file').read_text(encoding='utf-8') class ResourceFromNamespaceTests: def test_is_submodule_resource(self): self.assertTrue( resources.files(import_module('namespacedata01')) .joinpath('binary.file') .is_file() ) def test_read_submodule_resource_by_name(self): self.assertTrue( resources.files('namespacedata01').joinpath('binary.file').is_file() ) def test_submodule_contents(self): contents = names(resources.files(import_module('namespacedata01'))) try: contents.remove('__pycache__') except KeyError: pass self.assertEqual(contents, {'binary.file', 'utf-8.file', 'utf-16.file'}) def test_submodule_contents_by_name(self): contents = names(resources.files('namespacedata01')) try: contents.remove('__pycache__') except KeyError: pass self.assertEqual(contents, {'binary.file', 'utf-8.file', 'utf-16.file'}) class ResourceFromNamespaceDiskTests(ResourceFromNamespaceTests, unittest.TestCase): site_dir = str(pathlib.Path(__file__).parent) @classmethod def setUpClass(cls): sys.path.append(cls.site_dir) @classmethod def tearDownClass(cls): sys.path.remove(cls.site_dir) class ResourceFromNamespaceZipTests( util.ZipSetupBase, ResourceFromNamespaceTests, unittest.TestCase, ): ZIP_MODULE = 'namespacedata01' if __name__ == '__main__': unittest.main()