import unittest from importlib import import_module, resources from . import data01 from . import util class CommonBinaryTests(util.CommonResourceTests, unittest.TestCase): def execute(self, package, path): resources.read_binary(package, path) class CommonTextTests(util.CommonResourceTests, unittest.TestCase): def execute(self, package, path): resources.read_text(package, path) class ReadTests: def test_read_binary(self): result = resources.read_binary(self.data, 'binary.file') self.assertEqual(result, b'\0\1\2\3') def test_read_text_default_encoding(self): result = resources.read_text(self.data, 'utf-8.file') self.assertEqual(result, 'Hello, UTF-8 world!\n') def test_read_text_given_encoding(self): result = resources.read_text(self.data, 'utf-16.file', encoding='utf-16') self.assertEqual(result, 'Hello, UTF-16 world!\n') def test_read_text_with_errors(self): # Raises UnicodeError without the 'errors' argument. self.assertRaises(UnicodeError, resources.read_text, self.data, 'utf-16.file') result = resources.read_text(self.data, 'utf-16.file', 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('ziptestdata.subdirectory') result = resources.read_binary(submodule, 'binary.file') self.assertEqual(result, b'\0\1\2\3') def test_read_submodule_resource_by_name(self): result = resources.read_binary('ziptestdata.subdirectory', 'binary.file') self.assertEqual(result, b'\0\1\2\3') if __name__ == '__main__': unittest.main()