import unittest import importlib_resources as resources from . import data01 from . import util from importlib import import_module class CommonBinaryTests(util.CommonTests, unittest.TestCase): def execute(self, package, path): resources.files(package).joinpath(path).read_bytes() class CommonTextTests(util.CommonTests, unittest.TestCase): def execute(self, package, path): resources.files(package).joinpath(path).read_text(encoding='utf-8') class ReadTests: def test_read_bytes(self): result = resources.files(self.data).joinpath('binary.file').read_bytes() self.assertEqual(result, bytes(range(4))) def test_read_text_default_encoding(self): result = ( resources.files(self.data) .joinpath('utf-8.file') .read_text(encoding='utf-8') ) self.assertEqual(result, 'Hello, UTF-8 world!\n') def test_read_text_given_encoding(self): result = ( resources.files(self.data) .joinpath('utf-16.file') .read_text(encoding='utf-16') ) self.assertEqual(result, 'Hello, UTF-16 world!\n') def test_read_text_with_errors(self): """ Raises UnicodeError without the 'errors' argument. """ target = resources.files(self.data) / 'utf-16.file' self.assertRaises(UnicodeError, target.read_text, encoding='utf-8') result = target.read_text(encoding='utf-8', errors='ignore') self.assertEqual( result, 'H\x00e\x00l\x00l\x00o\x00,\x00 ' '\x00U\x00T\x00F\x00-\x001\x006\x00 ' '\x00w\x00o\x00r\x00l\x00d\x00!\x00\n\x00', ) class ReadDiskTests(ReadTests, unittest.TestCase): data = data01 class ReadZipTests(ReadTests, util.ZipSetup, unittest.TestCase): def test_read_submodule_resource(self): submodule = import_module('data01.subdirectory') result = resources.files(submodule).joinpath('binary.file').read_bytes() self.assertEqual(result, bytes(range(4, 8))) def test_read_submodule_resource_by_name(self): result = ( resources.files('data01.subdirectory').joinpath('binary.file').read_bytes() ) self.assertEqual(result, bytes(range(4, 8))) class ReadNamespaceTests(ReadTests, unittest.TestCase): def setUp(self): from . import namespacedata01 self.data = namespacedata01 class ReadNamespaceZipTests(ReadTests, util.ZipSetup, unittest.TestCase): ZIP_MODULE = 'namespacedata01' def test_read_submodule_resource(self): submodule = import_module('namespacedata01.subdirectory') result = resources.files(submodule).joinpath('binary.file').read_bytes() self.assertEqual(result, bytes(range(12, 16))) def test_read_submodule_resource_by_name(self): result = ( resources.files('namespacedata01.subdirectory') .joinpath('binary.file') .read_bytes() ) self.assertEqual(result, bytes(range(12, 16))) if __name__ == '__main__': unittest.main()