| # -*- coding: koi8-r -*- |
| |
| import unittest |
| from test.support import TESTFN, unlink, unload, rmtree, script_helper, captured_stdout |
| import importlib |
| import os |
| import sys |
| import subprocess |
| import tempfile |
| |
| class MiscSourceEncodingTest(unittest.TestCase): |
| |
| def test_pep263(self): |
| self.assertEqual( |
| "ðÉÔÏÎ".encode("utf-8"), |
| b'\xd0\x9f\xd0\xb8\xd1\x82\xd0\xbe\xd0\xbd' |
| ) |
| self.assertEqual( |
| "\ð".encode("utf-8"), |
| b'\\\xd0\x9f' |
| ) |
| |
| def test_compilestring(self): |
| # see #1882 |
| c = compile(b"\n# coding: utf-8\nu = '\xc3\xb3'\n", "dummy", "exec") |
| d = {} |
| exec(c, d) |
| self.assertEqual(d['u'], '\xf3') |
| |
| def test_issue2301(self): |
| try: |
| compile(b"# coding: cp932\nprint '\x94\x4e'", "dummy", "exec") |
| except SyntaxError as v: |
| self.assertEqual(v.text, "print '\u5e74'\n") |
| else: |
| self.fail() |
| |
| def test_issue4626(self): |
| c = compile("# coding=latin-1\n\u00c6 = '\u00c6'", "dummy", "exec") |
| d = {} |
| exec(c, d) |
| self.assertEqual(d['\xc6'], '\xc6') |
| |
| def test_issue3297(self): |
| c = compile("a, b = '\U0001010F', '\\U0001010F'", "dummy", "exec") |
| d = {} |
| exec(c, d) |
| self.assertEqual(d['a'], d['b']) |
| self.assertEqual(len(d['a']), len(d['b'])) |
| self.assertEqual(ascii(d['a']), ascii(d['b'])) |
| |
| def test_issue7820(self): |
| # Ensure that check_bom() restores all bytes in the right order if |
| # check_bom() fails in pydebug mode: a buffer starts with the first |
| # byte of a valid BOM, but next bytes are different |
| |
| # one byte in common with the UTF-16-LE BOM |
| self.assertRaises(SyntaxError, eval, b'\xff\x20') |
| |
| # two bytes in common with the UTF-8 BOM |
| self.assertRaises(SyntaxError, eval, b'\xef\xbb\x20') |
| |
| def test_20731(self): |
| sub = subprocess.Popen([sys.executable, |
| os.path.join(os.path.dirname(__file__), |
| 'coding20731.py')], |
| stderr=subprocess.PIPE) |
| err = sub.communicate()[1] |
| self.assertEqual(sub.returncode, 0) |
| self.assertNotIn(b'SyntaxError', err) |
| |
| def test_error_message(self): |
| compile(b'# -*- coding: iso-8859-15 -*-\n', 'dummy', 'exec') |
| compile(b'\xef\xbb\xbf\n', 'dummy', 'exec') |
| compile(b'\xef\xbb\xbf# -*- coding: utf-8 -*-\n', 'dummy', 'exec') |
| with self.assertRaisesRegex(SyntaxError, 'fake'): |
| compile(b'# -*- coding: fake -*-\n', 'dummy', 'exec') |
| with self.assertRaisesRegex(SyntaxError, 'iso-8859-15'): |
| compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n', |
| 'dummy', 'exec') |
| with self.assertRaisesRegex(SyntaxError, 'BOM'): |
| compile(b'\xef\xbb\xbf# -*- coding: iso-8859-15 -*-\n', |
| 'dummy', 'exec') |
| with self.assertRaisesRegex(SyntaxError, 'fake'): |
| compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec') |
| with self.assertRaisesRegex(SyntaxError, 'BOM'): |
| compile(b'\xef\xbb\xbf# -*- coding: fake -*-\n', 'dummy', 'exec') |
| |
| def test_bad_coding(self): |
| module_name = 'bad_coding' |
| self.verify_bad_module(module_name) |
| |
| def test_bad_coding2(self): |
| module_name = 'bad_coding2' |
| self.verify_bad_module(module_name) |
| |
| def verify_bad_module(self, module_name): |
| self.assertRaises(SyntaxError, __import__, 'test.' + module_name) |
| |
| path = os.path.dirname(__file__) |
| filename = os.path.join(path, module_name + '.py') |
| with open(filename, "rb") as fp: |
| bytes = fp.read() |
| self.assertRaises(SyntaxError, compile, bytes, filename, 'exec') |
| |
| def test_exec_valid_coding(self): |
| d = {} |
| exec(b'# coding: cp949\na = "\xaa\xa7"\n', d) |
| self.assertEqual(d['a'], '\u3047') |
| |
| def test_file_parse(self): |
| # issue1134: all encodings outside latin-1 and utf-8 fail on |
| # multiline strings and long lines (>512 columns) |
| unload(TESTFN) |
| filename = TESTFN + ".py" |
| f = open(filename, "w", encoding="cp1252") |
| sys.path.insert(0, os.curdir) |
| try: |
| with f: |
| f.write("# -*- coding: cp1252 -*-\n") |
| f.write("'''A short string\n") |
| f.write("'''\n") |
| f.write("'A very long string %s'\n" % ("X" * 1000)) |
| |
| importlib.invalidate_caches() |
| __import__(TESTFN) |
| finally: |
| del sys.path[0] |
| unlink(filename) |
| unlink(filename + "c") |
| unlink(filename + "o") |
| unload(TESTFN) |
| rmtree('__pycache__') |
| |
| def test_error_from_string(self): |
| # See http://bugs.python.org/issue6289 |
| input = "# coding: ascii\n\N{SNOWMAN}".encode('utf-8') |
| with self.assertRaises(SyntaxError) as c: |
| compile(input, "<string>", "exec") |
| expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \ |
| "ordinal not in range(128)" |
| self.assertTrue(c.exception.args[0].startswith(expected), |
| msg=c.exception.args[0]) |
| |
| |
| class AbstractSourceEncodingTest: |
| |
| def test_default_coding(self): |
| src = (b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xe4'") |
| |
| def test_first_coding_line(self): |
| src = (b'#coding:iso8859-15\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_second_coding_line(self): |
| src = (b'#\n' |
| b'#coding:iso8859-15\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_third_coding_line(self): |
| # Only first two lines are tested for a magic comment. |
| src = (b'#\n' |
| b'#\n' |
| b'#coding:iso8859-15\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xe4'") |
| |
| def test_double_coding_line(self): |
| # If the first line matches the second line is ignored. |
| src = (b'#coding:iso8859-15\n' |
| b'#coding:latin1\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_double_coding_same_line(self): |
| src = (b'#coding:iso8859-15 coding:latin1\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_first_non_utf8_coding_line(self): |
| src = (b'#coding:iso-8859-15 \xa4\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_second_non_utf8_coding_line(self): |
| src = (b'\n' |
| b'#coding:iso-8859-15 \xa4\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xc3\u20ac'") |
| |
| def test_utf8_bom(self): |
| src = (b'\xef\xbb\xbfprint(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xe4'") |
| |
| def test_utf8_bom_and_utf8_coding_line(self): |
| src = (b'\xef\xbb\xbf#coding:utf-8\n' |
| b'print(ascii("\xc3\xa4"))\n') |
| self.check_script_output(src, br"'\xe4'") |
| |
| |
| class BytesSourceEncodingTest(AbstractSourceEncodingTest, unittest.TestCase): |
| |
| def check_script_output(self, src, expected): |
| with captured_stdout() as stdout: |
| exec(src) |
| out = stdout.getvalue().encode('latin1') |
| self.assertEqual(out.rstrip(), expected) |
| |
| |
| class FileSourceEncodingTest(AbstractSourceEncodingTest, unittest.TestCase): |
| |
| def check_script_output(self, src, expected): |
| with tempfile.TemporaryDirectory() as tmpd: |
| fn = os.path.join(tmpd, 'test.py') |
| with open(fn, 'wb') as fp: |
| fp.write(src) |
| res = script_helper.assert_python_ok(fn) |
| self.assertEqual(res.out.rstrip(), expected) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |