from dataclasses import replace
-from typing import Any, Iterator, List
+from typing import Any, Iterator
from unittest.mock import patch
import pytest
import black
+from black.mode import TargetVersion
from tests.util import (
- DEFAULT_MODE,
- PY36_VERSIONS,
- THIS_DIR,
+ all_data_cases,
assert_format,
dump_to_stderr,
read_data,
+ read_data_with_mode,
)
-SIMPLE_CASES: List[str] = [
- "attribute_access_on_number_literals",
- "beginning_backslash",
- "bracketmatch",
- "class_blank_parentheses",
- "class_methods_new_line",
- "collections",
- "comments",
- "comments2",
- "comments3",
- "comments4",
- "comments5",
- "comments6",
- "comments_non_breaking_space",
- "comment_after_escaped_newline",
- "composition",
- "composition_no_trailing_comma",
- "docstring",
- "empty_lines",
- "expression",
- "fmtonoff",
- "fmtonoff2",
- "fmtonoff3",
- "fmtonoff4",
- "fmtskip",
- "fmtskip2",
- "fmtskip3",
- "fmtskip4",
- "fmtskip5",
- "fmtskip6",
- "fstring",
- "function",
- "function2",
- "function_trailing_comma",
- "import_spacing",
- "power_op_spacing",
- "remove_parens",
- "slices",
- "string_prefixes",
- "torture",
- "trailing_comma_optional_parens1",
- "trailing_comma_optional_parens2",
- "trailing_comma_optional_parens3",
- "tricky_unicode_symbols",
- "tupleassign",
-]
-
-PY310_CASES: List[str] = [
- "starred_for_target",
- "pattern_matching_simple",
- "pattern_matching_complex",
- "pattern_matching_extras",
- "pattern_matching_style",
- "pattern_matching_generic",
- "parenthesized_context_managers",
-]
-
-PREVIEW_CASES: List[str] = [
- # string processing
- "cantfit",
- "comments7",
- "comments8",
- "long_strings",
- "long_strings__edge_case",
- "long_strings__regression",
- "percent_precedence",
- "one_element_subscript",
-]
-
-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]:
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)
+def check_file(subdir: str, filename: str, *, data: bool = True) -> None:
+ args, source, expected = read_data_with_mode(subdir, filename, data=data)
+ assert_format(
+ source,
+ expected,
+ args.mode,
+ fast=args.fast,
+ minimum_version=args.minimum_version,
+ )
+ if args.minimum_version is not None:
+ major, minor = args.minimum_version
+ target_version = TargetVersion[f"PY{major}{minor}"]
+ mode = replace(args.mode, target_versions={target_version})
+ assert_format(
+ source, expected, mode, fast=args.fast, minimum_version=args.minimum_version
+ )
+
+
+@pytest.mark.filterwarnings("ignore:invalid escape sequence.*:DeprecationWarning")
+@pytest.mark.parametrize("filename", all_data_cases("cases"))
def test_simple_format(filename: str) -> None:
- check_file(filename, DEFAULT_MODE)
-
-
-@pytest.mark.parametrize("filename", PREVIEW_CASES)
-def test_preview_format(filename: str) -> None:
- check_file(filename, black.Mode(preview=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)
+ check_file("cases", filename)
# =============== #
-# Complex cases
-# ============= #
+# Unusual cases
+# =============== #
def test_empty() -> None:
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))
-
-
-@pytest.mark.parametrize("filename", PY310_CASES)
-def test_python_310(filename: str) -> None:
- source, expected = read_data(filename)
- mode = black.Mode(target_versions={black.TargetVersion.PY310})
- assert_format(source, expected, mode, minimum_version=(3, 10))
-
-
-def test_python_310_without_target_version() -> None:
- source, expected = read_data("pattern_matching_simple")
- mode = black.Mode()
- assert_format(source, expected, mode, minimum_version=(3, 10))
-
-
def test_patma_invalid() -> None:
- source, expected = read_data("pattern_matching_invalid")
+ source, expected = read_data("miscellaneous", "pattern_matching_invalid")
mode = black.Mode(target_versions={black.TargetVersion.PY310})
with pytest.raises(black.parsing.InvalidInput) as exc_info:
assert_format(source, expected, mode, minimum_version=(3, 10))
exc_info.match("Cannot parse: 10:11")
-
-
-def test_python_2_hint() -> None:
- with pytest.raises(black.parsing.InvalidInput) as exc_info:
- assert_format("print 'daylily'", "print 'daylily'")
- exc_info.match(black.parsing.PY2_HINT)
-
-
-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)
-
-
-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))
-
-
-def test_power_op_newline() -> None:
- # requires line_length=0
- source, expected = read_data("power_op_newline")
- assert_format(source, expected, mode=black.Mode(line_length=0))
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