blib2to3: support unparenthesized wulruses in more places (#2447)

[etc/vim.git] / tests / test_black.py

diff --git a/tests/test_black.py b/tests/test_black.py
index 942446ec3435d03d0aa580f9d7fccbd867bf3de9..8a37f7c65b4f5ae92b2744bd410071b600990e15 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -26,6 +26,7 @@ from typing import (
 import pytest
 import unittest
 from unittest.mock import patch, MagicMock
+from parameterized import parameterized
 
 import click
 from click import unstyle
@@ -299,6 +300,14 @@ class BlackTestCase(BlackBaseTestCase):
         versions = black.detect_target_versions(root)
         self.assertIn(black.TargetVersion.PY38, versions)
 
+    @parameterized.expand([(3, 9), (3, 10)])
+    def test_pep_572_newer_syntax(self, major: int, minor: int) -> None:
+        source, expected = read_data(f"pep_572_py{major}{minor}")
+        actual = fs(source, mode=DEFAULT_MODE)
+        self.assertFormatEqual(expected, actual)
+        if sys.version_info >= (major, minor):
+            black.assert_equivalent(source, actual)
+
     def test_expression_ff(self) -> None:
         source, expected = read_data("expression")
         tmp_file = Path(black.dump_to_file(source))
@@ -1727,6 +1736,30 @@ class BlackTestCase(BlackBaseTestCase):
         )
         self.assertEqual(sorted(expected), sorted(sources))
 
+    def test_invalid_gitignore(self) -> None:
+        path = THIS_DIR / "data" / "invalid_gitignore_tests"
+        empty_config = path / "pyproject.toml"
+        result = BlackRunner().invoke(
+            black.main, ["--verbose", "--config", str(empty_config), str(path)]
+        )
+        assert result.exit_code == 1
+        assert result.stderr_bytes is not None
+
+        gitignore = path / ".gitignore"
+        assert f"Could not parse {gitignore}" in result.stderr_bytes.decode()
+
+    def test_invalid_nested_gitignore(self) -> None:
+        path = THIS_DIR / "data" / "invalid_nested_gitignore_tests"
+        empty_config = path / "pyproject.toml"
+        result = BlackRunner().invoke(
+            black.main, ["--verbose", "--config", str(empty_config), str(path)]
+        )
+        assert result.exit_code == 1
+        assert result.stderr_bytes is not None
+
+        gitignore = path / "a" / ".gitignore"
+        assert f"Could not parse {gitignore}" in result.stderr_bytes.decode()
+
     def test_empty_include(self) -> None:
         path = THIS_DIR / "data" / "include_exclude_tests"
         report = black.Report()