]> git.madduck.net Git - etc/vim.git/blobdiff - tests/test_format.py

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Fix grammar for type alias support (#3949)
[etc/vim.git] / tests / test_format.py
index e4677707e3ca5091d6f8d111f6cb33559ecc6cdb..4e863c6c54b4ddb843434c4d4586531a877645d5 100644 (file)
@@ -1,98 +1,64 @@
+from dataclasses import replace
+from typing import Any, Iterator
 from unittest.mock import patch
 
-import black
-from parameterized import parameterized
+import pytest
 
+import black
+from black.mode import TargetVersion
 from tests.util import (
-    BlackBaseTestCase,
-    fs,
-    ff,
-    DEFAULT_MODE,
+    all_data_cases,
+    assert_format,
     dump_to_stderr,
     read_data,
-    THIS_DIR,
+    read_data_with_mode,
 )
 
-SIMPLE_CASES = [
-    "beginning_backslash",
-    "bracketmatch",
-    "cantfit",
-    "class_blank_parentheses",
-    "class_methods_new_line",
-    "collections",
-    "comments",
-    "comments2",
-    "comments3",
-    "comments4",
-    "comments5",
-    "comments6",
-    "comments7",
-    "comment_after_escaped_newline",
-    "composition",
-    "composition_no_trailing_comma",
-    "docstring",
-    "empty_lines",
-    "expression",
-    "fmtonoff",
-    "fmtonoff2",
-    "fmtonoff3",
-    "fmtonoff4",
-    "fstring",
-    "function",
-    "function2",
-    "function_trailing_comma",
-    "import_spacing",
-    "long_strings",
-    "long_strings__edge_case",
-    "long_strings__regression",
-    "numeric_literals_py2",
-    "percent_precedence",
-    "python2",
-    "python2_unicode_literals",
-    "remove_parens",
-    "slices",
-    "string_prefixes",
-    "tricky_unicode_symbols",
-    "tupleassign",
-]
+
+@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(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("cases", filename)
+
+
+# =============== #
+# Unusual cases
+# =============== #
 
 
-SOURCES = [
-    "tests/test_black.py",
-    "tests/test_format.py",
-    "tests/test_blackd.py",
-    "src/black/__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",
-]
+def test_empty() -> None:
+    source = expected = ""
+    assert_format(source, expected)
 
 
-class TestSimpleFormat(BlackBaseTestCase):
-    @parameterized.expand(SIMPLE_CASES)
-    @patch("black.dump_to_file", dump_to_stderr)
-    def test_simple_format(self, filename: str) -> None:
-        source, expected = read_data(filename)
-        actual = fs(source)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, DEFAULT_MODE)
+def test_patma_invalid() -> None:
+    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))
 
-    @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
-        source, expected = read_data(str(path), data=False)
-        actual = fs(source, mode=DEFAULT_MODE)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, DEFAULT_MODE)
-        self.assertFalse(ff(path))
+    exc_info.match("Cannot parse: 10:11")