X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/2893c42176903c8b6c28c46ff9e046861328b6a8..3decbd6db9f120e8d7c8fa86b5b2f64f7861da0c:/tests/test_format.py diff --git a/tests/test_format.py b/tests/test_format.py index 005a577..5a7b3bb 100644 --- a/tests/test_format.py +++ b/tests/test_format.py @@ -1,5 +1,6 @@ +import re from dataclasses import replace -from typing import Any, Iterator, List +from typing import Any, Iterator from unittest.mock import patch import pytest @@ -8,53 +9,12 @@ import black from tests.util import ( DEFAULT_MODE, PY36_VERSIONS, + all_data_cases, assert_format, dump_to_stderr, read_data, - all_data_cases, ) -SOURCES: List[str] = [ - "src/black/__init__.py", - "src/black/__main__.py", - "src/black/brackets.py", - "src/black/cache.py", - "src/black/comments.py", - "src/black/concurrency.py", - "src/black/const.py", - "src/black/debug.py", - "src/black/files.py", - "src/black/linegen.py", - "src/black/lines.py", - "src/black/mode.py", - "src/black/nodes.py", - "src/black/numerics.py", - "src/black/output.py", - "src/black/parsing.py", - "src/black/report.py", - "src/black/rusty.py", - "src/black/strings.py", - "src/black/trans.py", - "src/blackd/__init__.py", - "src/blib2to3/pygram.py", - "src/blib2to3/pytree.py", - "src/blib2to3/pgen2/conv.py", - "src/blib2to3/pgen2/driver.py", - "src/blib2to3/pgen2/grammar.py", - "src/blib2to3/pgen2/literals.py", - "src/blib2to3/pgen2/parse.py", - "src/blib2to3/pgen2/pgen.py", - "src/blib2to3/pgen2/tokenize.py", - "src/blib2to3/pgen2/token.py", - "setup.py", - "tests/test_black.py", - "tests/test_blackd.py", - "tests/test_format.py", - "tests/optional.py", - "tests/util.py", - "tests/conftest.py", -] - @pytest.fixture(autouse=True) def patch_dump_to_file(request: Any) -> Iterator[None]: @@ -69,9 +29,13 @@ def check_file( assert_format(source, expected, mode, fast=False) +@pytest.mark.filterwarnings("ignore:invalid escape sequence.*:DeprecationWarning") @pytest.mark.parametrize("filename", all_data_cases("simple_cases")) def test_simple_format(filename: str) -> None: - check_file("simple_cases", filename, DEFAULT_MODE) + magic_trailing_comma = filename != "skip_magic_trailing_comma" + check_file( + "simple_cases", filename, black.Mode(magic_trailing_comma=magic_trailing_comma) + ) @pytest.mark.parametrize("filename", all_data_cases("preview")) @@ -79,16 +43,27 @@ def test_preview_format(filename: str) -> None: check_file("preview", filename, black.Mode(preview=True)) -@pytest.mark.parametrize("filename", all_data_cases("preview_39")) -def test_preview_minimum_python_39_format(filename: str) -> None: - source, expected = read_data("preview_39", filename) - mode = black.Mode(preview=True) +def test_preview_context_managers_targeting_py38() -> None: + source, expected = read_data("preview_context_managers", "targeting_py38.py") + mode = black.Mode(preview=True, target_versions={black.TargetVersion.PY38}) + assert_format(source, expected, mode, minimum_version=(3, 8)) + + +def test_preview_context_managers_targeting_py39() -> None: + source, expected = read_data("preview_context_managers", "targeting_py39.py") + mode = black.Mode(preview=True, target_versions={black.TargetVersion.PY39}) assert_format(source, expected, mode, minimum_version=(3, 9)) -@pytest.mark.parametrize("filename", SOURCES) -def test_source_is_formatted(filename: str) -> None: - check_file("", filename, DEFAULT_MODE, data=False) +@pytest.mark.parametrize( + "filename", all_data_cases("preview_context_managers/auto_detect") +) +def test_preview_context_managers_auto_detect(filename: str) -> None: + match = re.match(r"features_3_(\d+)", filename) + assert match is not None, "Unexpected filename format: %s" % filename + source, expected = read_data("preview_context_managers/auto_detect", filename) + mode = black.Mode(preview=True) + assert_format(source, expected, mode, minimum_version=(3, int(match.group(1)))) # =============== # @@ -171,6 +146,7 @@ def test_python_2_hint() -> None: exc_info.match(black.parsing.PY2_HINT) +@pytest.mark.filterwarnings("ignore:invalid escape sequence.*:DeprecationWarning") def test_docstring_no_string_normalization() -> None: """Like test_docstring but with string normalization off.""" source, expected = read_data("miscellaneous", "docstring_no_string_normalization") @@ -178,6 +154,25 @@ def test_docstring_no_string_normalization() -> None: assert_format(source, expected, mode) +def test_docstring_line_length_6() -> None: + """Like test_docstring but with line length set to 6.""" + source, expected = read_data("miscellaneous", "linelength6") + mode = black.Mode(line_length=6) + assert_format(source, expected, mode) + + +def test_preview_docstring_no_string_normalization() -> None: + """ + Like test_docstring but with string normalization off *and* the preview style + enabled. + """ + source, expected = read_data( + "miscellaneous", "docstring_preview_no_string_normalization" + ) + mode = replace(DEFAULT_MODE, string_normalization=False, preview=True) + assert_format(source, expected, mode) + + def test_long_strings_flag_disabled() -> None: """Tests for turning off the string processing logic.""" source, expected = read_data("miscellaneous", "long_strings_flag_disabled") @@ -191,7 +186,20 @@ def test_stub() -> None: assert_format(source, expected, mode) +def test_nested_class_stub() -> None: + mode = replace(DEFAULT_MODE, is_pyi=True, preview=True) + source, expected = read_data("miscellaneous", "nested_class_stub.pyi") + assert_format(source, expected, mode) + + def test_power_op_newline() -> None: # requires line_length=0 source, expected = read_data("miscellaneous", "power_op_newline") assert_format(source, expected, mode=black.Mode(line_length=0)) + + +def test_type_comment_syntax_error() -> None: + """Test that black is able to format python code with type comment syntax errors.""" + source, expected = read_data("type_comments", "type_comment_syntax_error") + assert_format(source, expected) + black.assert_equivalent(source, expected)