Bump pre-commit/action from 2.0.2 to 2.0.3 (GH-2695)

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

diff --git a/tests/test_black.py b/tests/test_black.py
index 5647a00e48ba99a38184f180faa3ee578c8efc02..63cd716c0bb80aeea9cf31c274ead6b1b930d4e6 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -31,7 +31,7 @@ from unittest.mock import MagicMock, patch
 
 import click
 import pytest
 
 import click
 import pytest

-import regex as re
+import re

 from click import unstyle
 from click.testing import CliRunner
 from pathspec import PathSpec
 from click import unstyle
 from click.testing import CliRunner
 from pathspec import PathSpec


@@ -70,7 +70,7 @@ T = TypeVar("T")
 R = TypeVar("R")
 
 # Match the time output in a diff, but nothing else
 R = TypeVar("R")
 
 # Match the time output in a diff, but nothing else

-DIFF_TIME = re.compile(r"\t[\d-:+\. ]+")
+DIFF_TIME = re.compile(r"\t[\d\-:+\. ]+")

 
 
 @contextmanager
 
 
 @contextmanager


@@ -122,7 +122,7 @@ def invokeBlack(
     runner = BlackRunner()
     if ignore_config:
         args = ["--verbose", "--config", str(THIS_DIR / "empty.toml"), *args]
     runner = BlackRunner()
     if ignore_config:
         args = ["--verbose", "--config", str(THIS_DIR / "empty.toml"), *args]

-    result = runner.invoke(black.main, args)
+    result = runner.invoke(black.main, args, catch_exceptions=False)

     assert result.stdout_bytes is not None
     assert result.stderr_bytes is not None
     msg = (
     assert result.stdout_bytes is not None
     assert result.stderr_bytes is not None
     msg = (


@@ -200,7 +200,7 @@ class BlackTestCase(BlackBaseTestCase):
         )
         actual = result.output
         # Again, the contents are checked in a different test, so only look for colors.
         )
         actual = result.output
         # Again, the contents are checked in a different test, so only look for colors.

-        self.assertIn("\033[1;37m", actual)
+        self.assertIn("\033[1m", actual)

         self.assertIn("\033[36m", actual)
         self.assertIn("\033[32m", actual)
         self.assertIn("\033[31m", actual)
         self.assertIn("\033[36m", actual)
         self.assertIn("\033[32m", actual)
         self.assertIn("\033[31m", actual)


@@ -323,7 +323,7 @@ class BlackTestCase(BlackBaseTestCase):
         actual = result.output
         # We check the contents of the diff in `test_expression_diff`. All
         # we need to check here is that color codes exist in the result.
         actual = result.output
         # We check the contents of the diff in `test_expression_diff`. All
         # we need to check here is that color codes exist in the result.

-        self.assertIn("\033[1;37m", actual)
+        self.assertIn("\033[1m", actual)

         self.assertIn("\033[36m", actual)
         self.assertIn("\033[32m", actual)
         self.assertIn("\033[31m", actual)
         self.assertIn("\033[36m", actual)
         self.assertIn("\033[32m", actual)
         self.assertIn("\033[31m", actual)


@@ -811,6 +811,24 @@ class BlackTestCase(BlackBaseTestCase):
         node = black.lib2to3_parse("def fn(a, /, b): ...")
         self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS})
 
         node = black.lib2to3_parse("def fn(a, /, b): ...")
         self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS})
 

+    def test_get_features_used_for_future_flags(self) -> None:
+        for src, features in [
+            ("from __future__ import annotations", {Feature.FUTURE_ANNOTATIONS}),
+            (
+                "from __future__ import (other, annotations)",
+                {Feature.FUTURE_ANNOTATIONS},
+            ),
+            ("a = 1 + 2\nfrom something import annotations", set()),
+            ("from __future__ import x, y", set()),
+        ]:
+            with self.subTest(src=src, features=features):
+                node = black.lib2to3_parse(src)
+                future_imports = black.get_future_imports(node)
+                self.assertEqual(
+                    black.get_features_used(node, future_imports=future_imports),
+                    features,
+                )
+

     def test_get_future_imports(self) -> None:
         node = black.lib2to3_parse("\n")
         self.assertEqual(set(), black.get_future_imports(node))
     def test_get_future_imports(self) -> None:
         node = black.lib2to3_parse("\n")
         self.assertEqual(set(), black.get_future_imports(node))


@@ -841,6 +859,7 @@ class BlackTestCase(BlackBaseTestCase):
         )
         self.assertEqual({"unicode_literals", "print"}, black.get_future_imports(node))
 
         )
         self.assertEqual({"unicode_literals", "print"}, black.get_future_imports(node))
 

+    @pytest.mark.incompatible_with_mypyc

     def test_debug_visitor(self) -> None:
         source, _ = read_data("debug_visitor.py")
         expected, _ = read_data("debug_visitor.out")
     def test_debug_visitor(self) -> None:
         source, _ = read_data("debug_visitor.py")
         expected, _ = read_data("debug_visitor.out")


@@ -891,6 +910,7 @@ class BlackTestCase(BlackBaseTestCase):
         self.assertEqual(len(n.children), 1)
         self.assertEqual(n.children[0].type, black.token.ENDMARKER)
 
         self.assertEqual(len(n.children), 1)
         self.assertEqual(n.children[0].type, black.token.ENDMARKER)
 

+    @pytest.mark.incompatible_with_mypyc

     @unittest.skipIf(os.environ.get("SKIP_AST_PRINT"), "user set SKIP_AST_PRINT")
     def test_assertFormatEqual(self) -> None:
         out_lines = []
     @unittest.skipIf(os.environ.get("SKIP_AST_PRINT"), "user set SKIP_AST_PRINT")
     def test_assertFormatEqual(self) -> None:
         out_lines = []


@@ -944,7 +964,7 @@ class BlackTestCase(BlackBaseTestCase):
             symlink = workspace / "broken_link.py"
             try:
                 symlink.symlink_to("nonexistent.py")
             symlink = workspace / "broken_link.py"
             try:
                 symlink.symlink_to("nonexistent.py")

-            except OSError as e:
+            except (OSError, NotImplementedError) as e:

                 self.skipTest(f"Can't create symlinks: {e}")
             self.invokeBlack([str(workspace.resolve())])
 
                 self.skipTest(f"Can't create symlinks: {e}")
             self.invokeBlack([str(workspace.resolve())])
 


@@ -1055,6 +1075,7 @@ class BlackTestCase(BlackBaseTestCase):
         actual = result.output
         self.assertFormatEqual(actual, expected)
 
         actual = result.output
         self.assertFormatEqual(actual, expected)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_reformat_one_with_stdin(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",
     def test_reformat_one_with_stdin(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",


@@ -1072,6 +1093,7 @@ class BlackTestCase(BlackBaseTestCase):
             fsts.assert_called_once()
             report.done.assert_called_with(path, black.Changed.YES)
 
             fsts.assert_called_once()
             report.done.assert_called_with(path, black.Changed.YES)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_reformat_one_with_stdin_filename(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",
     def test_reformat_one_with_stdin_filename(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",


@@ -1094,6 +1116,7 @@ class BlackTestCase(BlackBaseTestCase):
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_reformat_one_with_stdin_filename_pyi(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",
     def test_reformat_one_with_stdin_filename_pyi(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",


@@ -1118,6 +1141,7 @@ class BlackTestCase(BlackBaseTestCase):
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_reformat_one_with_stdin_filename_ipynb(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",
     def test_reformat_one_with_stdin_filename_ipynb(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",


@@ -1142,6 +1166,7 @@ class BlackTestCase(BlackBaseTestCase):
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 
             # __BLACK_STDIN_FILENAME__ should have been stripped
             report.done.assert_called_with(expected, black.Changed.YES)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_reformat_one_with_stdin_and_existing_path(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",
     def test_reformat_one_with_stdin_and_existing_path(self) -> None:
         with patch(
             "black.format_stdin_to_stdout",


@@ -1296,6 +1321,7 @@ class BlackTestCase(BlackBaseTestCase):
         self.assertEqual(config["exclude"], r"\.pyi?$")
         self.assertEqual(config["include"], r"\.py?$")
 
         self.assertEqual(config["exclude"], r"\.pyi?$")
         self.assertEqual(config["include"], r"\.py?$")
 

+    @pytest.mark.incompatible_with_mypyc

     def test_find_project_root(self) -> None:
         with TemporaryDirectory() as workspace:
             root = Path(workspace)
     def test_find_project_root(self) -> None:
         with TemporaryDirectory() as workspace:
             root = Path(workspace)


@@ -1401,14 +1427,14 @@ class BlackTestCase(BlackBaseTestCase):
         )
         expected = 'def foo():\n    """Testing\n    Testing"""\n    print "Foo"\n'
 
         )
         expected = 'def foo():\n    """Testing\n    Testing"""\n    print "Foo"\n'
 

-        result = CliRunner().invoke(
+        result = BlackRunner().invoke(

             black.main,
             ["-", "-q", "--target-version=py27"],
             input=BytesIO(source),
         )
 
         self.assertEqual(result.exit_code, 0)
             black.main,
             ["-", "-q", "--target-version=py27"],
             input=BytesIO(source),
         )
 
         self.assertEqual(result.exit_code, 0)

-        actual = result.output
+        actual = result.stdout

         self.assertFormatEqual(actual, expected)
 
     @staticmethod
         self.assertFormatEqual(actual, expected)
 
     @staticmethod


@@ -1483,6 +1509,7 @@ class BlackTestCase(BlackBaseTestCase):
         assert output == result_diff, "The output did not match the expected value."
         assert result.exit_code == 0, "The exit code is incorrect."
 
         assert output == result_diff, "The output did not match the expected value."
         assert result.exit_code == 0, "The exit code is incorrect."
 

+    @pytest.mark.incompatible_with_mypyc

     def test_code_option_safe(self) -> None:
         """Test that the code option throws an error when the sanity checks fail."""
         # Patch black.assert_equivalent to ensure the sanity checks fail
     def test_code_option_safe(self) -> None:
         """Test that the code option throws an error when the sanity checks fail."""
         # Patch black.assert_equivalent to ensure the sanity checks fail


@@ -1507,6 +1534,7 @@ class BlackTestCase(BlackBaseTestCase):
 
             self.compare_results(result, formatted, 0)
 
 
             self.compare_results(result, formatted, 0)
 

+    @pytest.mark.incompatible_with_mypyc

     def test_code_option_config(self) -> None:
         """
         Test that the code option finds the pyproject.toml in the current directory.
     def test_code_option_config(self) -> None:
         """
         Test that the code option finds the pyproject.toml in the current directory.


@@ -1527,6 +1555,7 @@ class BlackTestCase(BlackBaseTestCase):
                 call_args[0].lower() == str(pyproject_path).lower()
             ), "Incorrect config loaded."
 
                 call_args[0].lower() == str(pyproject_path).lower()
             ), "Incorrect config loaded."
 

+    @pytest.mark.incompatible_with_mypyc

     def test_code_option_parent_config(self) -> None:
         """
         Test that the code option finds the pyproject.toml in the parent directory.
     def test_code_option_parent_config(self) -> None:
         """
         Test that the code option finds the pyproject.toml in the parent directory.


@@ -1546,6 +1575,25 @@ class BlackTestCase(BlackBaseTestCase):
                     call_args[0].lower() == str(pyproject_path).lower()
                 ), "Incorrect config loaded."
 
                     call_args[0].lower() == str(pyproject_path).lower()
                 ), "Incorrect config loaded."
 

+    def test_for_handled_unexpected_eof_error(self) -> None:
+        """
+        Test that an unexpected EOF SyntaxError is nicely presented.
+        """
+        with pytest.raises(black.parsing.InvalidInput) as exc_info:
+            black.lib2to3_parse("print(", {})
+
+        exc_info.match("Cannot parse: 2:0: EOF in multi-line statement")
+
+    def test_equivalency_ast_parse_failure_includes_error(self) -> None:
+        with pytest.raises(AssertionError) as err:
+            black.assert_equivalent("a«»a  = 1", "a«»a  = 1")
+
+        err.match("--safe")
+        # Unfortunately the SyntaxError message has changed in newer versions so we
+        # can't match it directly.
+        err.match("invalid character")
+        err.match(r"\(<unknown>, line 1\)")
+

 
 class TestCaching:
     def test_cache_broken_file(self) -> None:
 
 class TestCaching:
     def test_cache_broken_file(self) -> None:


@@ -1744,7 +1792,7 @@ def assert_collected_sources(
         report=black.Report(),
         stdin_filename=stdin_filename,
     )
         report=black.Report(),
         stdin_filename=stdin_filename,
     )

-    assert sorted(list(collected)) == sorted(gs_expected)
+    assert sorted(collected) == sorted(gs_expected)

 
 
 class TestFileCollection:
 
 
 class TestFileCollection:


@@ -1894,6 +1942,7 @@ class TestFileCollection:
             src, expected, exclude=r"\.pyi$", extend_exclude=r"\.definitely_exclude"
         )
 
             src, expected, exclude=r"\.pyi$", extend_exclude=r"\.definitely_exclude"
         )
 

+    @pytest.mark.incompatible_with_mypyc

     def test_symlink_out_of_root_directory(self) -> None:
         path = MagicMock()
         root = THIS_DIR.resolve()
     def test_symlink_out_of_root_directory(self) -> None:
         path = MagicMock()
         root = THIS_DIR.resolve()


@@ -2017,8 +2066,42 @@ class TestFileCollection:
         )
 
 
         )
 
 

-with open(black.__file__, "r", encoding="utf-8") as _bf:
-    black_source_lines = _bf.readlines()
+@pytest.mark.python2
+@pytest.mark.parametrize("explicit", [True, False], ids=["explicit", "autodetection"])
+def test_python_2_deprecation_with_target_version(explicit: bool) -> None:
+    args = [
+        "--config",
+        str(THIS_DIR / "empty.toml"),
+        str(DATA_DIR / "python2.py"),
+        "--check",
+    ]
+    if explicit:
+        args.append("--target-version=py27")
+    with cache_dir():
+        result = BlackRunner().invoke(black.main, args)
+    assert "DEPRECATION: Python 2 support will be removed" in result.stderr
+
+
+@pytest.mark.python2
+def test_python_2_deprecation_autodetection_extended() -> None:
+    # this test has a similar construction to test_get_features_used_decorator
+    python2, non_python2 = read_data("python2_detection")
+    for python2_case in python2.split("###"):
+        node = black.lib2to3_parse(python2_case)
+        assert black.detect_target_versions(node) == {TargetVersion.PY27}, python2_case
+    for non_python2_case in non_python2.split("###"):
+        node = black.lib2to3_parse(non_python2_case)
+        assert black.detect_target_versions(node) != {
+            TargetVersion.PY27
+        }, non_python2_case
+
+
+try:
+    with open(black.__file__, "r", encoding="utf-8") as _bf:
+        black_source_lines = _bf.readlines()
+except UnicodeDecodeError:
+    if not black.COMPILED:
+        raise

 
 
 def tracefunc(
 
 
 def tracefunc(