X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/da8a5bb1895e5434695d9dc2d844119cd8f88524..8c22d232b56104376a12d1e68eaf216d04979830:/tests/test_black.py?ds=sidebyside diff --git a/tests/test_black.py b/tests/test_black.py index 1fc63c9..202fe23 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -31,7 +31,7 @@ from unittest.mock import MagicMock, patch import click import pytest -import regex as re +import re from click import unstyle from click.testing import CliRunner from pathspec import PathSpec @@ -50,6 +50,7 @@ from tests.util import ( DATA_DIR, DEFAULT_MODE, DETERMINISTIC_HEADER, + PROJECT_ROOT, PY36_VERSIONS, THIS_DIR, BlackBaseTestCase, @@ -69,7 +70,7 @@ T = TypeVar("T") R = TypeVar("R") # Match the time output in a diff, but nothing else -DIFF_TIME = re.compile(r"\t[\d-:+\. ]+") +DIFF_TIME = re.compile(r"\t[\d\-:+\. ]+") @contextmanager @@ -99,6 +100,8 @@ class FakeContext(click.Context): def __init__(self) -> None: self.default_map: Dict[str, Any] = {} + # Dummy root, since most of the tests don't care about it + self.obj: Dict[str, Any] = {"root": PROJECT_ROOT} class FakeParameter(click.Parameter): @@ -121,7 +124,7 @@ def invokeBlack( runner = BlackRunner() if ignore_config: args = ["--verbose", "--config", str(THIS_DIR / "empty.toml"), *args] - result = runner.invoke(black.main, args) + result = runner.invoke(black.main, args, catch_exceptions=False) assert result.stdout_bytes is not None assert result.stderr_bytes is not None msg = ( @@ -199,7 +202,7 @@ class BlackTestCase(BlackBaseTestCase): ) actual = result.output # Again, the contents are checked in a different test, so only look for colors. - self.assertIn("\033[1;37m", actual) + self.assertIn("\033[1m", actual) self.assertIn("\033[36m", actual) self.assertIn("\033[32m", actual) self.assertIn("\033[31m", actual) @@ -322,7 +325,7 @@ class BlackTestCase(BlackBaseTestCase): actual = result.output # We check the contents of the diff in `test_expression_diff`. All # we need to check here is that color codes exist in the result. - self.assertIn("\033[1;37m", actual) + self.assertIn("\033[1m", actual) self.assertIn("\033[36m", actual) self.assertIn("\033[32m", actual) self.assertIn("\033[31m", actual) @@ -723,24 +726,15 @@ class BlackTestCase(BlackBaseTestCase): straddling = "x + y" black.lib2to3_parse(straddling) - black.lib2to3_parse(straddling, {TargetVersion.PY27}) black.lib2to3_parse(straddling, {TargetVersion.PY36}) - black.lib2to3_parse(straddling, {TargetVersion.PY27, TargetVersion.PY36}) py2_only = "print x" - black.lib2to3_parse(py2_only) - black.lib2to3_parse(py2_only, {TargetVersion.PY27}) with self.assertRaises(black.InvalidInput): black.lib2to3_parse(py2_only, {TargetVersion.PY36}) - with self.assertRaises(black.InvalidInput): - black.lib2to3_parse(py2_only, {TargetVersion.PY27, TargetVersion.PY36}) py3_only = "exec(x, end=y)" black.lib2to3_parse(py3_only) - with self.assertRaises(black.InvalidInput): - black.lib2to3_parse(py3_only, {TargetVersion.PY27}) black.lib2to3_parse(py3_only, {TargetVersion.PY36}) - black.lib2to3_parse(py3_only, {TargetVersion.PY27, TargetVersion.PY36}) def test_get_features_used_decorator(self) -> None: # Test the feature detection of new decorator syntax @@ -809,6 +803,44 @@ class BlackTestCase(BlackBaseTestCase): self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS}) node = black.lib2to3_parse("def fn(a, /, b): ...") self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS}) + node = black.lib2to3_parse("def fn(): yield a, b") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("def fn(): return a, b") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("def fn(): yield *b, c") + self.assertEqual(black.get_features_used(node), {Feature.UNPACKING_ON_FLOW}) + node = black.lib2to3_parse("def fn(): return a, *b, c") + self.assertEqual(black.get_features_used(node), {Feature.UNPACKING_ON_FLOW}) + node = black.lib2to3_parse("x = a, *b, c") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("x: Any = regular") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("x: Any = (regular, regular)") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("x: Any = Complex(Type(1))[something]") + self.assertEqual(black.get_features_used(node), set()) + node = black.lib2to3_parse("x: Tuple[int, ...] = a, b, c") + self.assertEqual( + black.get_features_used(node), {Feature.ANN_ASSIGN_EXTENDED_RHS} + ) + + def test_get_features_used_for_future_flags(self) -> None: + for src, features in [ + ("from __future__ import annotations", {Feature.FUTURE_ANNOTATIONS}), + ( + "from __future__ import (other, annotations)", + {Feature.FUTURE_ANNOTATIONS}, + ), + ("a = 1 + 2\nfrom something import annotations", set()), + ("from __future__ import x, y", set()), + ]: + with self.subTest(src=src, features=features): + node = black.lib2to3_parse(src) + future_imports = black.get_future_imports(node) + self.assertEqual( + black.get_features_used(node, future_imports=future_imports), + features, + ) def test_get_future_imports(self) -> None: node = black.lib2to3_parse("\n") @@ -840,6 +872,7 @@ class BlackTestCase(BlackBaseTestCase): ) self.assertEqual({"unicode_literals", "print"}, black.get_future_imports(node)) + @pytest.mark.incompatible_with_mypyc def test_debug_visitor(self) -> None: source, _ = read_data("debug_visitor.py") expected, _ = read_data("debug_visitor.out") @@ -890,6 +923,7 @@ class BlackTestCase(BlackBaseTestCase): self.assertEqual(len(n.children), 1) self.assertEqual(n.children[0].type, black.token.ENDMARKER) + @pytest.mark.incompatible_with_mypyc @unittest.skipIf(os.environ.get("SKIP_AST_PRINT"), "user set SKIP_AST_PRINT") def test_assertFormatEqual(self) -> None: out_lines = [] @@ -906,8 +940,8 @@ class BlackTestCase(BlackBaseTestCase): self.assertFormatEqual("j = [1, 2, 3]", "j = [1, 2, 3,]") out_str = "".join(out_lines) - self.assertTrue("Expected tree:" in out_str) - self.assertTrue("Actual tree:" in out_str) + self.assertIn("Expected tree:", out_str) + self.assertIn("Actual tree:", out_str) self.assertEqual("".join(err_lines), "") @event_loop() @@ -943,7 +977,7 @@ class BlackTestCase(BlackBaseTestCase): symlink = workspace / "broken_link.py" try: symlink.symlink_to("nonexistent.py") - except OSError as e: + except (OSError, NotImplementedError) as e: self.skipTest(f"Can't create symlinks: {e}") self.invokeBlack([str(workspace.resolve())]) @@ -1054,6 +1088,7 @@ class BlackTestCase(BlackBaseTestCase): actual = result.output self.assertFormatEqual(actual, expected) + @pytest.mark.incompatible_with_mypyc def test_reformat_one_with_stdin(self) -> None: with patch( "black.format_stdin_to_stdout", @@ -1071,6 +1106,7 @@ class BlackTestCase(BlackBaseTestCase): fsts.assert_called_once() report.done.assert_called_with(path, black.Changed.YES) + @pytest.mark.incompatible_with_mypyc def test_reformat_one_with_stdin_filename(self) -> None: with patch( "black.format_stdin_to_stdout", @@ -1093,6 +1129,7 @@ class BlackTestCase(BlackBaseTestCase): # __BLACK_STDIN_FILENAME__ should have been stripped report.done.assert_called_with(expected, black.Changed.YES) + @pytest.mark.incompatible_with_mypyc def test_reformat_one_with_stdin_filename_pyi(self) -> None: with patch( "black.format_stdin_to_stdout", @@ -1117,6 +1154,7 @@ class BlackTestCase(BlackBaseTestCase): # __BLACK_STDIN_FILENAME__ should have been stripped report.done.assert_called_with(expected, black.Changed.YES) + @pytest.mark.incompatible_with_mypyc def test_reformat_one_with_stdin_filename_ipynb(self) -> None: with patch( "black.format_stdin_to_stdout", @@ -1141,6 +1179,7 @@ class BlackTestCase(BlackBaseTestCase): # __BLACK_STDIN_FILENAME__ should have been stripped report.done.assert_called_with(expected, black.Changed.YES) + @pytest.mark.incompatible_with_mypyc def test_reformat_one_with_stdin_and_existing_path(self) -> None: with patch( "black.format_stdin_to_stdout", @@ -1295,6 +1334,7 @@ class BlackTestCase(BlackBaseTestCase): self.assertEqual(config["exclude"], r"\.pyi?$") self.assertEqual(config["include"], r"\.py?$") + @pytest.mark.incompatible_with_mypyc def test_find_project_root(self) -> None: with TemporaryDirectory() as workspace: root = Path(workspace) @@ -1312,10 +1352,17 @@ class BlackTestCase(BlackBaseTestCase): src_python.touch() self.assertEqual( - black.find_project_root((src_dir, test_dir)), root.resolve() + black.find_project_root((src_dir, test_dir)), + (root.resolve(), "pyproject.toml"), + ) + self.assertEqual( + black.find_project_root((src_dir,)), + (src_dir.resolve(), "pyproject.toml"), + ) + self.assertEqual( + black.find_project_root((src_python,)), + (src_dir.resolve(), "pyproject.toml"), ) - self.assertEqual(black.find_project_root((src_dir,)), src_dir.resolve()) - self.assertEqual(black.find_project_root((src_python,)), src_dir.resolve()) @patch( "black.files.find_user_pyproject_toml", @@ -1389,27 +1436,6 @@ class BlackTestCase(BlackBaseTestCase): actual = diff_header.sub(DETERMINISTIC_HEADER, actual) self.assertEqual(actual, expected) - @pytest.mark.python2 - def test_docstring_reformat_for_py27(self) -> None: - """ - Check that stripping trailing whitespace from Python 2 docstrings - doesn't trigger a "not equivalent to source" error - """ - source = ( - b'def foo():\r\n """Testing\r\n Testing """\r\n print "Foo"\r\n' - ) - expected = 'def foo():\n """Testing\n Testing"""\n print "Foo"\n' - - result = CliRunner().invoke( - black.main, - ["-", "-q", "--target-version=py27"], - input=BytesIO(source), - ) - - self.assertEqual(result.exit_code, 0) - actual = result.output - self.assertFormatEqual(actual, expected) - @staticmethod def compare_results( result: click.testing.Result, expected_value: str, expected_exit_code: int @@ -1482,6 +1508,7 @@ class BlackTestCase(BlackBaseTestCase): assert output == result_diff, "The output did not match the expected value." assert result.exit_code == 0, "The exit code is incorrect." + @pytest.mark.incompatible_with_mypyc def test_code_option_safe(self) -> None: """Test that the code option throws an error when the sanity checks fail.""" # Patch black.assert_equivalent to ensure the sanity checks fail @@ -1506,15 +1533,18 @@ class BlackTestCase(BlackBaseTestCase): self.compare_results(result, formatted, 0) + @pytest.mark.incompatible_with_mypyc def test_code_option_config(self) -> None: """ Test that the code option finds the pyproject.toml in the current directory. """ with patch.object(black, "parse_pyproject_toml", return_value={}) as parse: args = ["--code", "print"] - CliRunner().invoke(black.main, args) + # This is the only directory known to contain a pyproject.toml + with change_directory(PROJECT_ROOT): + CliRunner().invoke(black.main, args) + pyproject_path = Path(Path.cwd(), "pyproject.toml").resolve() - pyproject_path = Path(Path().cwd(), "pyproject.toml").resolve() assert ( len(parse.mock_calls) >= 1 ), "Expected config parse to be called with the current directory." @@ -1524,12 +1554,13 @@ class BlackTestCase(BlackBaseTestCase): call_args[0].lower() == str(pyproject_path).lower() ), "Incorrect config loaded." + @pytest.mark.incompatible_with_mypyc def test_code_option_parent_config(self) -> None: """ Test that the code option finds the pyproject.toml in the parent directory. """ with patch.object(black, "parse_pyproject_toml", return_value={}) as parse: - with change_directory(Path("tests")): + with change_directory(THIS_DIR): args = ["--code", "print"] CliRunner().invoke(black.main, args) @@ -1543,6 +1574,25 @@ class BlackTestCase(BlackBaseTestCase): call_args[0].lower() == str(pyproject_path).lower() ), "Incorrect config loaded." + def test_for_handled_unexpected_eof_error(self) -> None: + """ + Test that an unexpected EOF SyntaxError is nicely presented. + """ + with pytest.raises(black.parsing.InvalidInput) as exc_info: + black.lib2to3_parse("print(", {}) + + exc_info.match("Cannot parse: 2:0: EOF in multi-line statement") + + def test_equivalency_ast_parse_failure_includes_error(self) -> None: + with pytest.raises(AssertionError) as err: + black.assert_equivalent("a«»a = 1", "a«»a = 1") + + err.match("--safe") + # Unfortunately the SyntaxError message has changed in newer versions so we + # can't match it directly. + err.match("invalid character") + err.match(r"\(, line 1\)") + class TestCaching: def test_cache_broken_file(self) -> None: @@ -1715,6 +1765,7 @@ def assert_collected_sources( src: Sequence[Union[str, Path]], expected: Sequence[Union[str, Path]], *, + ctx: Optional[FakeContext] = None, exclude: Optional[str] = None, include: Optional[str] = None, extend_exclude: Optional[str] = None, @@ -1730,7 +1781,7 @@ def assert_collected_sources( ) gs_force_exclude = None if force_exclude is None else compile_pattern(force_exclude) collected = black.get_sources( - ctx=FakeContext(), + ctx=ctx or FakeContext(), src=gs_src, quiet=False, verbose=False, @@ -1741,7 +1792,7 @@ def assert_collected_sources( report=black.Report(), stdin_filename=stdin_filename, ) - assert sorted(list(collected)) == sorted(gs_expected) + assert sorted(collected) == sorted(gs_expected) class TestFileCollection: @@ -1766,9 +1817,11 @@ class TestFileCollection: base / "b/.definitely_exclude/a.pyi", ] src = [base / "b/"] - assert_collected_sources(src, expected, extend_exclude=r"/exclude/") + ctx = FakeContext() + ctx.obj["root"] = base + assert_collected_sources(src, expected, ctx=ctx, extend_exclude=r"/exclude/") - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_exclude_for_issue_1572(self) -> None: # Exclude shouldn't touch files that were explicitly given to Black through the # CLI. Exclude is supposed to only apply to the recursive discovery of files. @@ -1891,6 +1944,7 @@ class TestFileCollection: src, expected, exclude=r"\.pyi$", extend_exclude=r"\.definitely_exclude" ) + @pytest.mark.incompatible_with_mypyc def test_symlink_out_of_root_directory(self) -> None: path = MagicMock() root = THIS_DIR.resolve() @@ -1950,13 +2004,13 @@ class TestFileCollection: child.is_symlink.assert_called() assert child.is_symlink.call_count == 2 - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_get_sources_with_stdin(self) -> None: src = ["-"] expected = ["-"] assert_collected_sources(src, expected, include="", exclude=r"/exclude/|a\.py") - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_get_sources_with_stdin_filename(self) -> None: src = ["-"] stdin_filename = str(THIS_DIR / "data/collections.py") @@ -1968,7 +2022,7 @@ class TestFileCollection: stdin_filename=stdin_filename, ) - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_get_sources_with_stdin_filename_and_exclude(self) -> None: # Exclude shouldn't exclude stdin_filename since it is mimicking the # file being passed directly. This is the same as @@ -1984,7 +2038,7 @@ class TestFileCollection: stdin_filename=stdin_filename, ) - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_get_sources_with_stdin_filename_and_extend_exclude(self) -> None: # Extend exclude shouldn't exclude stdin_filename since it is mimicking the # file being passed directly. This is the same as @@ -2000,7 +2054,7 @@ class TestFileCollection: stdin_filename=stdin_filename, ) - @patch("black.find_project_root", lambda *args: THIS_DIR.resolve()) + @patch("black.find_project_root", lambda *args: (THIS_DIR.resolve(), None)) def test_get_sources_with_stdin_filename_and_force_exclude(self) -> None: # Force exclude should exclude the file when passing it through # stdin_filename @@ -2014,8 +2068,12 @@ class TestFileCollection: ) -with open(black.__file__, "r", encoding="utf-8") as _bf: - black_source_lines = _bf.readlines() +try: + with open(black.__file__, "r", encoding="utf-8") as _bf: + black_source_lines = _bf.readlines() +except UnicodeDecodeError: + if not black.COMPILED: + raise def tracefunc(