import unittest from importlib import resources from . import data01 from . import util class CommonBinaryTests(util.CommonResourceTests, unittest.TestCase): def execute(self, package, path): with resources.open_binary(package, path): pass class CommonTextTests(util.CommonResourceTests, unittest.TestCase): def execute(self, package, path): with resources.open_text(package, path): pass class OpenTests: def test_open_binary(self): with resources.open_binary(self.data, 'binary.file') as fp: result = fp.read() self.assertEqual(result, b'\x00\x01\x02\x03') def test_open_text_default_encoding(self): with resources.open_text(self.data, 'utf-8.file') as fp: result = fp.read() self.assertEqual(result, 'Hello, UTF-8 world!\n') def test_open_text_given_encoding(self): with resources.open_text( self.data, 'utf-16.file', 'utf-16', 'strict') as fp: result = fp.read() self.assertEqual(result, 'Hello, UTF-16 world!\n') def test_open_text_with_errors(self): # Raises UnicodeError without the 'errors' argument. with resources.open_text( self.data, 'utf-16.file', 'utf-8', 'strict') as fp: self.assertRaises(UnicodeError, fp.read) with resources.open_text( self.data, 'utf-16.file', 'utf-8', 'ignore') as fp: result = fp.read() 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') def test_open_binary_FileNotFoundError(self): self.assertRaises( FileNotFoundError, resources.open_binary, self.data, 'does-not-exist') def test_open_text_FileNotFoundError(self): self.assertRaises( FileNotFoundError, resources.open_text, self.data, 'does-not-exist') class OpenDiskTests(OpenTests, unittest.TestCase): def setUp(self): self.data = data01 class OpenZipTests(OpenTests, util.ZipSetup, unittest.TestCase): pass if __name__ == '__main__': unittest.main()