X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/204f76e0c02a12aeccb3ab708fe41f7e95435a29..92eeacc2e3ce917d6364ec06d891436f11536a1c:/tests/test_format.py?ds=sidebyside diff --git a/tests/test_format.py b/tests/test_format.py index 78f2b55..649c157 100644 --- a/tests/test_format.py +++ b/tests/test_format.py @@ -1,17 +1,17 @@ +from dataclasses import replace +from typing import Any, Iterator from unittest.mock import patch -import black import pytest -from parameterized import parameterized +import black from tests.util import ( - BlackBaseTestCase, - fs, - ff, DEFAULT_MODE, + PY36_VERSIONS, + THIS_DIR, + assert_format, dump_to_stderr, read_data, - THIS_DIR, ) SIMPLE_CASES = [ @@ -42,6 +42,7 @@ SIMPLE_CASES = [ "fmtskip3", "fmtskip4", "fmtskip5", + "fmtskip6", "fstring", "function", "function2", @@ -71,10 +72,29 @@ EXPERIMENTAL_STRING_PROCESSING_CASES = [ SOURCES = [ - "tests/test_black.py", - "tests/test_format.py", - "tests/test_blackd.py", "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/black_primer/cli.py", + "src/black_primer/lib.py", "src/blib2to3/pygram.py", "src/blib2to3/pytree.py", "src/blib2to3/pgen2/conv.py", @@ -86,36 +106,131 @@ SOURCES = [ "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/test_primer.py", + "tests/optional.py", + "tests/util.py", + "tests/conftest.py", ] -class TestSimpleFormat(BlackBaseTestCase): - @parameterized.expand(SIMPLE_CASES_PY2) - @pytest.mark.python2 - @patch("black.dump_to_file", dump_to_stderr) - def test_simple_format_py2(self, filename: str) -> None: - self.check_file(filename, DEFAULT_MODE) - - @parameterized.expand(SIMPLE_CASES) - @patch("black.dump_to_file", dump_to_stderr) - def test_simple_format(self, filename: str) -> None: - self.check_file(filename, DEFAULT_MODE) - - @parameterized.expand(EXPERIMENTAL_STRING_PROCESSING_CASES) - @patch("black.dump_to_file", dump_to_stderr) - def test_experimental_format(self, filename: str) -> None: - self.check_file(filename, black.Mode(experimental_string_processing=True)) - - @parameterized.expand(SOURCES) - @patch("black.dump_to_file", dump_to_stderr) - def test_source_is_formatted(self, filename: str) -> None: - path = THIS_DIR.parent / filename - self.check_file(str(path), DEFAULT_MODE, data=False) - self.assertFalse(ff(path)) - - def check_file(self, filename: str, mode: black.Mode, *, data: bool = True) -> None: - source, expected = read_data(filename, data=data) - actual = fs(source, mode=mode) - self.assertFormatEqual(expected, actual) - black.assert_equivalent(source, actual) - black.assert_stable(source, actual, mode) +@pytest.fixture(autouse=True) +def patch_dump_to_file(request: Any) -> Iterator[None]: + with patch("black.dump_to_file", dump_to_stderr): + yield + + +def check_file(filename: str, mode: black.Mode, *, data: bool = True) -> None: + source, expected = read_data(filename, data=data) + assert_format(source, expected, mode, fast=False) + + +@pytest.mark.parametrize("filename", SIMPLE_CASES_PY2) +@pytest.mark.python2 +def test_simple_format_py2(filename: str) -> None: + check_file(filename, DEFAULT_MODE) + + +@pytest.mark.parametrize("filename", SIMPLE_CASES) +def test_simple_format(filename: str) -> None: + check_file(filename, DEFAULT_MODE) + + +@pytest.mark.parametrize("filename", EXPERIMENTAL_STRING_PROCESSING_CASES) +def test_experimental_format(filename: str) -> None: + check_file(filename, black.Mode(experimental_string_processing=True)) + + +@pytest.mark.parametrize("filename", SOURCES) +def test_source_is_formatted(filename: str) -> None: + path = THIS_DIR.parent / filename + check_file(str(path), DEFAULT_MODE, data=False) + + +# =============== # +# Complex cases +# ============= # + + +def test_empty() -> None: + source = expected = "" + assert_format(source, expected) + + +def test_pep_572() -> None: + source, expected = read_data("pep_572") + assert_format(source, expected, minimum_version=(3, 8)) + + +def test_pep_572_remove_parens() -> None: + source, expected = read_data("pep_572_remove_parens") + assert_format(source, expected, minimum_version=(3, 8)) + + +def test_pep_572_do_not_remove_parens() -> None: + source, expected = read_data("pep_572_do_not_remove_parens") + # the AST safety checks will fail, but that's expected, just make sure no + # parentheses are touched + assert_format(source, expected, fast=True) + + +@pytest.mark.parametrize("major, minor", [(3, 9), (3, 10)]) +def test_pep_572_newer_syntax(major: int, minor: int) -> None: + source, expected = read_data(f"pep_572_py{major}{minor}") + assert_format(source, expected, minimum_version=(major, minor)) + + +def test_pep_570() -> None: + source, expected = read_data("pep_570") + assert_format(source, expected, minimum_version=(3, 8)) + + +def test_docstring_no_string_normalization() -> None: + """Like test_docstring but with string normalization off.""" + source, expected = read_data("docstring_no_string_normalization") + mode = replace(DEFAULT_MODE, string_normalization=False) + assert_format(source, expected, mode) + + +def test_long_strings_flag_disabled() -> None: + """Tests for turning off the string processing logic.""" + source, expected = read_data("long_strings_flag_disabled") + mode = replace(DEFAULT_MODE, experimental_string_processing=False) + assert_format(source, expected, mode) + + +def test_numeric_literals() -> None: + source, expected = read_data("numeric_literals") + mode = replace(DEFAULT_MODE, target_versions=PY36_VERSIONS) + assert_format(source, expected, mode) + + +def test_numeric_literals_ignoring_underscores() -> None: + source, expected = read_data("numeric_literals_skip_underscores") + mode = replace(DEFAULT_MODE, target_versions=PY36_VERSIONS) + assert_format(source, expected, mode) + + +@pytest.mark.python2 +def test_python2_print_function() -> None: + source, expected = read_data("python2_print_function") + mode = replace(DEFAULT_MODE, target_versions={black.TargetVersion.PY27}) + assert_format(source, expected, mode) + + +def test_stub() -> None: + mode = replace(DEFAULT_MODE, is_pyi=True) + source, expected = read_data("stub.pyi") + assert_format(source, expected, mode) + + +def test_python38() -> None: + source, expected = read_data("python38") + assert_format(source, expected, minimum_version=(3, 8)) + + +def test_python39() -> None: + source, expected = read_data("python39") + assert_format(source, expected, minimum_version=(3, 9))