+import re
from dataclasses import replace
-from typing import Any, Iterator, List
+from typing import Any, Iterator
from unittest.mock import patch
import pytest
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]:
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"
+ mode = black.Mode(
+ magic_trailing_comma=magic_trailing_comma, is_pyi=filename.endswith("_pyi")
+ )
+ check_file("simple_cases", filename, mode)
@pytest.mark.parametrize("filename", all_data_cases("preview"))
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", all_data_cases("preview_310"))
-def test_preview_minimum_python_310_format(filename: str) -> None:
- source, expected = read_data("preview_310", filename)
- mode = black.Mode(preview=True)
+@pytest.mark.parametrize("filename", all_data_cases("preview_py_310"))
+def test_preview_python_310(filename: str) -> None:
+ source, expected = read_data("preview_py_310", filename)
+ mode = black.Mode(target_versions={black.TargetVersion.PY310}, preview=True)
assert_format(source, expected, mode, minimum_version=(3, 10))
-@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))))
# =============== #
assert_format(source, expected, mode, minimum_version=(3, 11))
+@pytest.mark.parametrize("filename", all_data_cases("py_312"))
+def test_python_312(filename: str) -> None:
+ source, expected = read_data("py_312", filename)
+ mode = black.Mode(target_versions={black.TargetVersion.PY312})
+ assert_format(source, expected, mode, minimum_version=(3, 12))
+
+
@pytest.mark.parametrize("filename", all_data_cases("fast"))
def test_fast_cases(filename: str) -> None:
source, expected = read_data("fast", filename)
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")
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")
assert_format(source, expected, mode)
+def test_nested_stub() -> None:
+ mode = replace(DEFAULT_MODE, is_pyi=True, preview=True)
+ source, expected = read_data("miscellaneous", "nested_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)