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Update docs to include pycodestyle (#3369)
[etc/vim.git] / tests / test_black.py
diff --git a/tests/test_black.py b/tests/test_black.py
index 089e043d639a82f9614018dba2b300580544dc30..9256698ea2792eb49ba559febe803afde73b9d60 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -341,6 +341,30 @@ class BlackTestCase(BlackBaseTestCase):
         black.assert_equivalent(source, not_normalized)
         black.assert_stable(source, not_normalized, mode=mode)
 
         black.assert_equivalent(source, not_normalized)
         black.assert_stable(source, not_normalized, mode=mode)
 
+    def test_skip_source_first_line(self) -> None:
+        source, _ = read_data("miscellaneous", "invalid_header")
+        tmp_file = Path(black.dump_to_file(source))
+        # Full source should fail (invalid syntax at header)
+        self.invokeBlack([str(tmp_file), "--diff", "--check"], exit_code=123)
+        # So, skipping the first line should work
+        result = BlackRunner().invoke(
+            black.main, [str(tmp_file), "-x", f"--config={EMPTY_CONFIG}"]
+        )
+        self.assertEqual(result.exit_code, 0)
+        with open(tmp_file, encoding="utf8") as f:
+            actual = f.read()
+        self.assertFormatEqual(source, actual)
+
+    def test_skip_source_first_line_when_mixing_newlines(self) -> None:
+        code_mixing_newlines = b"Header will be skipped\r\ni = [1,2,3]\nj = [1,2,3]\n"
+        expected = b"Header will be skipped\r\ni = [1, 2, 3]\nj = [1, 2, 3]\n"
+        with TemporaryDirectory() as workspace:
+            test_file = Path(workspace) / "skip_header.py"
+            test_file.write_bytes(code_mixing_newlines)
+            mode = replace(DEFAULT_MODE, skip_source_first_line=True)
+            ff(test_file, mode=mode, write_back=black.WriteBack.YES)
+            self.assertEqual(test_file.read_bytes(), expected)
+
     def test_skip_magic_trailing_comma(self) -> None:
         source, _ = read_data("simple_cases", "expression")
         expected, _ = read_data(
     def test_skip_magic_trailing_comma(self) -> None:
         source, _ = read_data("simple_cases", "expression")
         expected, _ = read_data(
@@ -466,8 +490,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "1 file reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "1 file reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
@@ -476,8 +502,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(out_lines[-1], "reformatted f3")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(out_lines[-1], "reformatted f3")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
@@ -486,8 +514,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
@@ -496,8 +526,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(out_lines[-1], "wat ignored: no match")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(out_lines[-1], "wat ignored: no match")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
@@ -506,22 +538,28 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(out_lines[-1], "f4 already well formatted, good job.")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(out_lines[-1], "f4 already well formatted, good job.")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 3 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 3 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
 
     def test_report_quiet(self) -> None:
             )
 
     def test_report_quiet(self) -> None:
@@ -563,8 +601,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "1 file reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "1 file reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
@@ -572,8 +612,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(len(err_lines), 1)
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(len(err_lines), 1)
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
@@ -582,8 +624,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
@@ -591,8 +635,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
@@ -600,22 +646,28 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 3 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 3 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
 
     def test_report_normal(self) -> None:
             )
 
     def test_report_normal(self) -> None:
@@ -659,8 +711,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e1: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "1 file reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "1 file reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f3"), black.Changed.YES)
@@ -669,8 +723,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(out_lines[-1], "reformatted f3")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(out_lines[-1], "reformatted f3")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 1 file failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 1 file failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
             )
             self.assertEqual(report.return_code, 123)
             report.failed(Path("e2"), "boom")
@@ -679,8 +735,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(err_lines[-1], "error: cannot format e2: boom")
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
             )
             self.assertEqual(report.return_code, 123)
             report.path_ignored(Path("wat"), "no match")
@@ -688,8 +746,10 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 2 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 2 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
             )
             self.assertEqual(report.return_code, 123)
             report.done(Path("f4"), black.Changed.NO)
@@ -697,22 +757,28 @@ class BlackTestCase(BlackBaseTestCase):
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
             self.assertEqual(len(err_lines), 2)
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files reformatted, 3 files left unchanged, 2 files failed to"
-                " reformat.",
+                (
+                    "2 files reformatted, 3 files left unchanged, 2 files failed to"
+                    " reformat."
+                ),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             self.assertEqual(report.return_code, 123)
             report.check = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
             )
             report.check = False
             report.diff = True
             self.assertEqual(
                 unstyle(str(report)),
-                "2 files would be reformatted, 3 files would be left unchanged, 2"
-                " files would fail to reformat.",
+                (
+                    "2 files would be reformatted, 3 files would be left unchanged, 2"
+                    " files would fail to reformat."
+                ),
             )
 
     def test_lib2to3_parse(self) -> None:
             )
 
     def test_lib2to3_parse(self) -> None:
@@ -1286,6 +1352,17 @@ class BlackTestCase(BlackBaseTestCase):
             if nl == "\n":
                 self.assertNotIn(b"\r\n", output)
 
             if nl == "\n":
                 self.assertNotIn(b"\r\n", output)
 
+    def test_normalize_line_endings(self) -> None:
+        with TemporaryDirectory() as workspace:
+            test_file = Path(workspace) / "test.py"
+            for data, expected in (
+                (b"c\r\nc\n ", b"c\r\nc\r\n"),
+                (b"l\nl\r\n ", b"l\nl\n"),
+            ):
+                test_file.write_bytes(data)
+                ff(test_file, write_back=black.WriteBack.YES)
+                self.assertEqual(test_file.read_bytes(), expected)
+
     def test_assert_equivalent_different_asts(self) -> None:
         with self.assertRaises(AssertionError):
             black.assert_equivalent("{}", "None")
     def test_assert_equivalent_different_asts(self) -> None:
         with self.assertRaises(AssertionError):
             black.assert_equivalent("{}", "None")
@@ -1990,6 +2067,13 @@ class TestFileCollection:
         )
         assert sorted(expected) == sorted(sources)
 
         )
         assert sorted(expected) == sorted(sources)
 
+    def test_nested_gitignore_directly_in_source_directory(self) -> None:
+        # https://github.com/psf/black/issues/2598
+        path = Path(DATA_DIR / "nested_gitignore_tests")
+        src = Path(path / "root" / "child")
+        expected = [src / "a.py", src / "c.py"]
+        assert_collected_sources([src], expected)
+
     def test_invalid_gitignore(self) -> None:
         path = THIS_DIR / "data" / "invalid_gitignore_tests"
         empty_config = path / "pyproject.toml"
     def test_invalid_gitignore(self) -> None:
         path = THIS_DIR / "data" / "invalid_gitignore_tests"
         empty_config = path / "pyproject.toml"
vim configuration

Legalese

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