X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/048efa7476bec1b2e7df156f2790f3565ab5c6d8..25795c9ff5d2e388bcef026d8642a6699208ce37:/tests/test_black.py?ds=sidebyside diff --git a/tests/test_black.py b/tests/test_black.py index 8a37197..85ab2b6 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -84,8 +84,11 @@ class BlackRunner(CliRunner): This is a hack that can be removed once we depend on Click 7.x""" - def __init__(self, stderrbuf: BinaryIO) -> None: - self.stderrbuf = stderrbuf + def __init__(self) -> None: + self.stderrbuf = BytesIO() + self.stdoutbuf = BytesIO() + self.stdout_bytes = b"" + self.stderr_bytes = b"" super().__init__() @contextmanager @@ -96,6 +99,8 @@ class BlackRunner(CliRunner): sys.stderr = TextIOWrapper(self.stderrbuf, encoding=self.charset) yield output finally: + self.stdout_bytes = sys.stdout.buffer.getvalue() # type: ignore + self.stderr_bytes = sys.stderr.buffer.getvalue() # type: ignore sys.stderr = hold_stderr @@ -160,9 +165,10 @@ class BlackTestCase(unittest.TestCase): def test_piping(self) -> None: source, expected = read_data("../black", data=False) - stderrbuf = BytesIO() - result = BlackRunner(stderrbuf).invoke( - black.main, ["-", "--fast", f"--line-length={ll}"], input=source + result = BlackRunner().invoke( + black.main, + ["-", "--fast", f"--line-length={ll}"], + input=BytesIO(source.encode("utf8")), ) self.assertEqual(result.exit_code, 0) self.assertFormatEqual(expected, result.output) @@ -177,9 +183,10 @@ class BlackTestCase(unittest.TestCase): source, _ = read_data("expression.py") expected, _ = read_data("expression.diff") config = THIS_DIR / "data" / "empty_pyproject.toml" - stderrbuf = BytesIO() args = ["-", "--fast", f"--line-length={ll}", "--diff", f"--config={config}"] - result = BlackRunner(stderrbuf).invoke(black.main, args, input=source) + result = BlackRunner().invoke( + black.main, args, input=BytesIO(source.encode("utf8")) + ) self.assertEqual(result.exit_code, 0) actual = diff_header.sub("[Deterministic header]", result.output) actual = actual.rstrip() + "\n" # the diff output has a trailing space @@ -240,11 +247,8 @@ class BlackTestCase(unittest.TestCase): rf"{re.escape(str(tmp_file))}\t\d\d\d\d-\d\d-\d\d " rf"\d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" ) - stderrbuf = BytesIO() try: - result = BlackRunner(stderrbuf).invoke( - black.main, ["--diff", str(tmp_file)] - ) + result = BlackRunner().invoke(black.main, ["--diff", str(tmp_file)]) self.assertEqual(result.exit_code, 0) finally: os.unlink(tmp_file) @@ -369,6 +373,21 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_numeric_literals(self) -> None: + source, expected = read_data("numeric_literals") + actual = fs(source, mode=black.FileMode.PYTHON36) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + + @patch("black.dump_to_file", dump_to_stderr) + def test_numeric_literals_py2(self) -> None: + source, expected = read_data("numeric_literals_py2") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) def test_python2(self) -> None: source, expected = read_data("python2") @@ -392,6 +411,16 @@ class BlackTestCase(unittest.TestCase): self.assertFormatEqual(expected, actual) black.assert_stable(source, actual, line_length=ll, mode=mode) + @patch("black.dump_to_file", dump_to_stderr) + def test_python37(self) -> None: + source, expected = read_data("python37") + actual = fs(source) + self.assertFormatEqual(expected, actual) + major, minor = sys.version_info[:2] + if major > 3 or (major == 3 and minor >= 7): + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) def test_fmtonoff(self) -> None: source, expected = read_data("fmtonoff") @@ -424,6 +453,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, line_length=ll) + @patch("black.dump_to_file", dump_to_stderr) + def test_bracket_match(self) -> None: + source, expected = read_data("bracketmatch") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, line_length=ll) + def test_report_verbose(self) -> None: report = black.Report(verbose=True) out_lines = [] @@ -703,6 +740,10 @@ class BlackTestCase(unittest.TestCase): self.assertTrue(black.is_python36(node)) node = black.lib2to3_parse("def f(*, arg): f'string'\n") self.assertTrue(black.is_python36(node)) + node = black.lib2to3_parse("123_456\n") + self.assertTrue(black.is_python36(node)) + node = black.lib2to3_parse("123456\n") + self.assertFalse(black.is_python36(node)) source, expected = read_data("function") node = black.lib2to3_parse(source) self.assertTrue(black.is_python36(node)) @@ -735,6 +776,14 @@ class BlackTestCase(unittest.TestCase): self.assertEqual(set(), black.get_future_imports(node)) node = black.lib2to3_parse("from some.module import black\n") self.assertEqual(set(), black.get_future_imports(node)) + node = black.lib2to3_parse( + "from __future__ import unicode_literals as _unicode_literals" + ) + self.assertEqual({"unicode_literals"}, black.get_future_imports(node)) + node = black.lib2to3_parse( + "from __future__ import unicode_literals as _lol, print" + ) + self.assertEqual({"unicode_literals", "print"}, black.get_future_imports(node)) def test_debug_visitor(self) -> None: source, _ = read_data("debug_visitor.py") @@ -869,7 +918,9 @@ class BlackTestCase(unittest.TestCase): def test_no_cache_when_stdin(self) -> None: mode = black.FileMode.AUTO_DETECT with cache_dir(): - result = CliRunner().invoke(black.main, ["-"], input="print('hello')") + result = CliRunner().invoke( + black.main, ["-"], input=BytesIO(b"print('hello')") + ) self.assertEqual(result.exit_code, 0) cache_file = black.get_cache_file(black.DEFAULT_LINE_LENGTH, mode) self.assertFalse(cache_file.exists()) @@ -1027,7 +1078,9 @@ class BlackTestCase(unittest.TestCase): def test_pipe_force_pyi(self) -> None: source, expected = read_data("force_pyi") - result = CliRunner().invoke(black.main, ["-", "-q", "--pyi"], input=source) + result = CliRunner().invoke( + black.main, ["-", "-q", "--pyi"], input=BytesIO(source.encode("utf8")) + ) self.assertEqual(result.exit_code, 0) actual = result.output self.assertFormatEqual(actual, expected) @@ -1081,7 +1134,9 @@ class BlackTestCase(unittest.TestCase): def test_pipe_force_py36(self) -> None: source, expected = read_data("force_py36") - result = CliRunner().invoke(black.main, ["-", "-q", "--py36"], input=source) + result = CliRunner().invoke( + black.main, ["-", "-q", "--py36"], input=BytesIO(source.encode("utf8")) + ) self.assertEqual(result.exit_code, 0) actual = result.output self.assertFormatEqual(actual, expected) @@ -1160,9 +1215,22 @@ class BlackTestCase(unittest.TestCase): test_file.write_bytes(contents.encode()) ff(test_file, write_back=black.WriteBack.YES) updated_contents: bytes = test_file.read_bytes() - self.assertIn(nl.encode(), updated_contents) # type: ignore + self.assertIn(nl.encode(), updated_contents) if nl == "\n": - self.assertNotIn(b"\r\n", updated_contents) # type: ignore + self.assertNotIn(b"\r\n", updated_contents) + + def test_preserves_line_endings_via_stdin(self) -> None: + for nl in ["\n", "\r\n"]: + contents = nl.join(["def f( ):", " pass"]) + runner = BlackRunner() + result = runner.invoke( + black.main, ["-", "--fast"], input=BytesIO(contents.encode("utf8")) + ) + self.assertEqual(result.exit_code, 0) + output = runner.stdout_bytes + self.assertIn(nl.encode("utf8"), output) + if nl == "\n": + self.assertNotIn(b"\r\n", output) def test_assert_equivalent_different_asts(self) -> None: with self.assertRaises(AssertionError):