X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/0753d99519b0c90f0f9f280b73783b537900dc16..dc90d4951f66ac665582159537b902017d9a0361:/tests/test_black.py?ds=inline diff --git a/tests/test_black.py b/tests/test_black.py index 7dbc380..8726cc1 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 @@ -70,7 +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 @@ -122,7 +122,7 @@ 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 = ( @@ -200,7 +200,7 @@ 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) @@ -323,7 +323,7 @@ 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) @@ -810,6 +810,32 @@ 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}) + + 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") @@ -841,6 +867,7 @@ 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") @@ -891,6 +918,7 @@ 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 = [] @@ -944,7 +972,7 @@ 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())]) @@ -1055,6 +1083,7 @@ 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", @@ -1072,6 +1101,7 @@ 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", @@ -1094,6 +1124,7 @@ 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", @@ -1118,6 +1149,7 @@ 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", @@ -1142,6 +1174,7 @@ 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", @@ -1296,6 +1329,7 @@ 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) @@ -1483,6 +1517,7 @@ 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 @@ -1507,6 +1542,7 @@ 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. @@ -1527,6 +1563,7 @@ 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. @@ -1546,6 +1583,25 @@ 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: @@ -1744,7 +1800,7 @@ 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: @@ -1894,6 +1950,7 @@ 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() @@ -2047,8 +2104,12 @@ def test_python_2_deprecation_autodetection_extended() -> None: }, non_python2_case -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(