Do not crash when failing to read an entry (#1090)

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

diff --git a/tests/test_black.py b/tests/test_black.py
index 3b37011f75f819081c5e7fd02058eab147652f74..e6a6647fc872a1242cddbe8f6f38e7c1daa3ca6a 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -7,7 +7,7 @@ from functools import partial
 from io import BytesIO, TextIOWrapper
 import os
 from pathlib import Path
 from io import BytesIO, TextIOWrapper
 import os
 from pathlib import Path

-import re
+import regex as re

 import sys
 from tempfile import TemporaryDirectory
 from typing import Any, BinaryIO, Generator, List, Tuple, Iterator, TypeVar
 import sys
 from tempfile import TemporaryDirectory
 from typing import Any, BinaryIO, Generator, List, Tuple, Iterator, TypeVar


@@ -29,6 +29,8 @@ except ImportError:
 else:
     has_blackd_deps = True
 
 else:
     has_blackd_deps = True
 

+from pathspec import PathSpec
+

 ff = partial(black.format_file_in_place, mode=black.FileMode(), fast=True)
 fs = partial(black.format_str, mode=black.FileMode())
 THIS_FILE = Path(__file__)
 ff = partial(black.format_file_in_place, mode=black.FileMode(), fast=True)
 fs = partial(black.format_str, mode=black.FileMode())
 THIS_FILE = Path(__file__)


@@ -158,6 +160,16 @@ class BlackTestCase(unittest.TestCase):
         result = runner.invoke(black.main, args)
         self.assertEqual(result.exit_code, exit_code, msg=runner.stderr_bytes.decode())
 
         result = runner.invoke(black.main, args)
         self.assertEqual(result.exit_code, exit_code, msg=runner.stderr_bytes.decode())
 

+    @patch("black.dump_to_file", dump_to_stderr)
+    def checkSourceFile(self, name: str) -> None:
+        path = THIS_DIR.parent / name
+        source, expected = read_data(str(path), data=False)
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, black.FileMode())
+        self.assertFalse(ff(path))
+

     @patch("black.dump_to_file", dump_to_stderr)
     def test_empty(self) -> None:
         source = expected = ""
     @patch("black.dump_to_file", dump_to_stderr)
     def test_empty(self) -> None:
         source = expected = ""


@@ -177,23 +189,44 @@ class BlackTestCase(unittest.TestCase):
             os.unlink(tmp_file)
         self.assertFormatEqual(expected, actual)
 
             os.unlink(tmp_file)
         self.assertFormatEqual(expected, actual)
 

-    @patch("black.dump_to_file", dump_to_stderr)

     def test_self(self) -> None:
     def test_self(self) -> None:

-        source, expected = read_data("test_black", data=False)
-        actual = fs(source)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, black.FileMode())
-        self.assertFalse(ff(THIS_FILE))
+        self.checkSourceFile("tests/test_black.py")

 
 

-    @patch("black.dump_to_file", dump_to_stderr)

     def test_black(self) -> None:
     def test_black(self) -> None:

-        source, expected = read_data("../black", data=False)
-        actual = fs(source)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, black.FileMode())
-        self.assertFalse(ff(THIS_DIR / ".." / "black.py"))
+        self.checkSourceFile("black.py")
+
+    def test_pygram(self) -> None:
+        self.checkSourceFile("blib2to3/pygram.py")
+
+    def test_pytree(self) -> None:
+        self.checkSourceFile("blib2to3/pytree.py")
+
+    def test_conv(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/conv.py")
+
+    def test_driver(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/driver.py")
+
+    def test_grammar(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/grammar.py")
+
+    def test_literals(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/literals.py")
+
+    def test_parse(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/parse.py")
+
+    def test_pgen(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/pgen.py")
+
+    def test_tokenize(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/tokenize.py")
+
+    def test_token(self) -> None:
+        self.checkSourceFile("blib2to3/pgen2/token.py")
+
+    def test_setup(self) -> None:
+        self.checkSourceFile("setup.py")

 
     def test_piping(self) -> None:
         source, expected = read_data("../black", data=False)
 
     def test_piping(self) -> None:
         source, expected = read_data("../black", data=False)


@@ -230,15 +263,6 @@ class BlackTestCase(unittest.TestCase):
         actual = actual.rstrip() + "\n"  # the diff output has a trailing space
         self.assertEqual(expected, actual)
 
         actual = actual.rstrip() + "\n"  # the diff output has a trailing space
         self.assertEqual(expected, actual)
 

-    @patch("black.dump_to_file", dump_to_stderr)
-    def test_setup(self) -> None:
-        source, expected = read_data("../setup", data=False)
-        actual = fs(source)
-        self.assertFormatEqual(expected, actual)
-        black.assert_equivalent(source, actual)
-        black.assert_stable(source, actual, black.FileMode())
-        self.assertFalse(ff(THIS_DIR / ".." / "setup.py"))
-

     @patch("black.dump_to_file", dump_to_stderr)
     def test_function(self) -> None:
         source, expected = read_data("function")
     @patch("black.dump_to_file", dump_to_stderr)
     def test_function(self) -> None:
         source, expected = read_data("function")


@@ -1041,10 +1065,10 @@ class BlackTestCase(unittest.TestCase):
         just_nl = "\n"
         with self.assertRaises(black.NothingChanged):
             black.format_file_contents(just_nl, mode=mode, fast=False)
         just_nl = "\n"
         with self.assertRaises(black.NothingChanged):
             black.format_file_contents(just_nl, mode=mode, fast=False)

-        same = "l = [1, 2, 3]\n"
+        same = "j = [1, 2, 3]\n"

         with self.assertRaises(black.NothingChanged):
             black.format_file_contents(same, mode=mode, fast=False)
         with self.assertRaises(black.NothingChanged):
             black.format_file_contents(same, mode=mode, fast=False)

-        different = "l = [1,2,3]"
+        different = "j = [1,2,3]"

         expected = same
         actual = black.format_file_contents(different, mode=mode, fast=False)
         self.assertEqual(expected, actual)
         expected = same
         actual = black.format_file_contents(different, mode=mode, fast=False)
         self.assertEqual(expected, actual)


@@ -1072,7 +1096,7 @@ class BlackTestCase(unittest.TestCase):
 
         with patch("black.out", out), patch("black.err", err):
             with self.assertRaises(AssertionError):
 
         with patch("black.out", out), patch("black.err", err):
             with self.assertRaises(AssertionError):

-                self.assertFormatEqual("l = [1, 2, 3]", "l = [1, 2, 3,]")
+                self.assertFormatEqual("j = [1, 2, 3]", "j = [1, 2, 3,]")

 
         out_str = "".join(out_lines)
         self.assertTrue("Expected tree:" in out_str)
 
         out_str = "".join(out_lines)
         self.assertTrue("Expected tree:" in out_str)


@@ -1245,6 +1269,13 @@ class BlackTestCase(unittest.TestCase):
             two = black.read_cache(short_mode)
             self.assertNotIn(path, two)
 
             two = black.read_cache(short_mode)
             self.assertNotIn(path, two)
 

+    def test_tricky_unicode_symbols(self) -> None:
+        source, expected = read_data("tricky_unicode_symbols")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, black.FileMode())
+

     def test_single_file_force_pyi(self) -> None:
         reg_mode = black.FileMode()
         pyi_mode = black.FileMode(is_pyi=True)
     def test_single_file_force_pyi(self) -> None:
         reg_mode = black.FileMode()
         pyi_mode = black.FileMode(is_pyi=True)


@@ -1340,6 +1371,13 @@ class BlackTestCase(unittest.TestCase):
                 self.assertIn(path, pyi_cache)
                 self.assertNotIn(path, normal_cache)
 
                 self.assertIn(path, pyi_cache)
                 self.assertNotIn(path, normal_cache)
 

+    def test_collections(self) -> None:
+        source, expected = read_data("collections")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, black.FileMode())
+

     def test_pipe_force_py36(self) -> None:
         source, expected = read_data("force_py36")
         result = CliRunner().invoke(
     def test_pipe_force_py36(self) -> None:
         source, expected = read_data("force_py36")
         result = CliRunner().invoke(


@@ -1356,6 +1394,7 @@ class BlackTestCase(unittest.TestCase):
         include = re.compile(r"\.pyi?$")
         exclude = re.compile(r"/exclude/|/\.definitely_exclude/")
         report = black.Report()
         include = re.compile(r"\.pyi?$")
         exclude = re.compile(r"/exclude/|/\.definitely_exclude/")
         report = black.Report()

+        gitignore = PathSpec.from_lines("gitwildmatch", [])

         sources: List[Path] = []
         expected = [
             Path(path / "b/dont_exclude/a.py"),
         sources: List[Path] = []
         expected = [
             Path(path / "b/dont_exclude/a.py"),


@@ -1363,13 +1402,37 @@ class BlackTestCase(unittest.TestCase):
         ]
         this_abs = THIS_DIR.resolve()
         sources.extend(
         ]
         this_abs = THIS_DIR.resolve()
         sources.extend(

-            black.gen_python_files_in_dir(path, this_abs, include, exclude, report)
+            black.gen_python_files_in_dir(
+                path, this_abs, include, exclude, report, gitignore
+            )
+        )
+        self.assertEqual(sorted(expected), sorted(sources))
+
+    def test_gitignore_exclude(self) -> None:
+        path = THIS_DIR / "data" / "include_exclude_tests"
+        include = re.compile(r"\.pyi?$")
+        exclude = re.compile(r"")
+        report = black.Report()
+        gitignore = PathSpec.from_lines(
+            "gitwildmatch", ["exclude/", ".definitely_exclude"]
+        )
+        sources: List[Path] = []
+        expected = [
+            Path(path / "b/dont_exclude/a.py"),
+            Path(path / "b/dont_exclude/a.pyi"),
+        ]
+        this_abs = THIS_DIR.resolve()
+        sources.extend(
+            black.gen_python_files_in_dir(
+                path, this_abs, include, exclude, report, gitignore
+            )

         )
         self.assertEqual(sorted(expected), sorted(sources))
 
     def test_empty_include(self) -> None:
         path = THIS_DIR / "data" / "include_exclude_tests"
         report = black.Report()
         )
         self.assertEqual(sorted(expected), sorted(sources))
 
     def test_empty_include(self) -> None:
         path = THIS_DIR / "data" / "include_exclude_tests"
         report = black.Report()

+        gitignore = PathSpec.from_lines("gitwildmatch", [])

         empty = re.compile(r"")
         sources: List[Path] = []
         expected = [
         empty = re.compile(r"")
         sources: List[Path] = []
         expected = [


@@ -1386,7 +1449,12 @@ class BlackTestCase(unittest.TestCase):
         this_abs = THIS_DIR.resolve()
         sources.extend(
             black.gen_python_files_in_dir(
         this_abs = THIS_DIR.resolve()
         sources.extend(
             black.gen_python_files_in_dir(

-                path, this_abs, empty, re.compile(black.DEFAULT_EXCLUDES), report
+                path,
+                this_abs,
+                empty,
+                re.compile(black.DEFAULT_EXCLUDES),
+                report,
+                gitignore,

             )
         )
         self.assertEqual(sorted(expected), sorted(sources))
             )
         )
         self.assertEqual(sorted(expected), sorted(sources))


@@ -1394,6 +1462,7 @@ class BlackTestCase(unittest.TestCase):
     def test_empty_exclude(self) -> None:
         path = THIS_DIR / "data" / "include_exclude_tests"
         report = black.Report()
     def test_empty_exclude(self) -> None:
         path = THIS_DIR / "data" / "include_exclude_tests"
         report = black.Report()

+        gitignore = PathSpec.from_lines("gitwildmatch", [])

         empty = re.compile(r"")
         sources: List[Path] = []
         expected = [
         empty = re.compile(r"")
         sources: List[Path] = []
         expected = [


@@ -1407,7 +1476,12 @@ class BlackTestCase(unittest.TestCase):
         this_abs = THIS_DIR.resolve()
         sources.extend(
             black.gen_python_files_in_dir(
         this_abs = THIS_DIR.resolve()
         sources.extend(
             black.gen_python_files_in_dir(

-                path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty, report
+                path,
+                this_abs,
+                re.compile(black.DEFAULT_INCLUDES),
+                empty,
+                report,
+                gitignore,

             )
         )
         self.assertEqual(sorted(expected), sorted(sources))
             )
         )
         self.assertEqual(sorted(expected), sorted(sources))


@@ -1452,13 +1526,18 @@ class BlackTestCase(unittest.TestCase):
         include = re.compile(black.DEFAULT_INCLUDES)
         exclude = re.compile(black.DEFAULT_EXCLUDES)
         report = black.Report()
         include = re.compile(black.DEFAULT_INCLUDES)
         exclude = re.compile(black.DEFAULT_EXCLUDES)
         report = black.Report()

+        gitignore = PathSpec.from_lines("gitwildmatch", [])

         # `child` should behave like a symlink which resolved path is clearly
         # outside of the `root` directory.
         path.iterdir.return_value = [child]
         child.resolve.return_value = Path("/a/b/c")
         child.is_symlink.return_value = True
         try:
         # `child` should behave like a symlink which resolved path is clearly
         # outside of the `root` directory.
         path.iterdir.return_value = [child]
         child.resolve.return_value = Path("/a/b/c")
         child.is_symlink.return_value = True
         try:

-            list(black.gen_python_files_in_dir(path, root, include, exclude, report))
+            list(
+                black.gen_python_files_in_dir(
+                    path, root, include, exclude, report, gitignore
+                )
+            )

         except ValueError as ve:
             self.fail(f"`get_python_files_in_dir()` failed: {ve}")
         path.iterdir.assert_called_once()
         except ValueError as ve:
             self.fail(f"`get_python_files_in_dir()` failed: {ve}")
         path.iterdir.assert_called_once()


@@ -1468,7 +1547,11 @@ class BlackTestCase(unittest.TestCase):
         # outside of the `root` directory.
         child.is_symlink.return_value = False
         with self.assertRaises(ValueError):
         # outside of the `root` directory.
         child.is_symlink.return_value = False
         with self.assertRaises(ValueError):

-            list(black.gen_python_files_in_dir(path, root, include, exclude, report))
+            list(
+                black.gen_python_files_in_dir(
+                    path, root, include, exclude, report, gitignore
+                )
+            )

         path.iterdir.assert_called()
         self.assertEqual(path.iterdir.call_count, 2)
         child.resolve.assert_called()
         path.iterdir.assert_called()
         self.assertEqual(path.iterdir.call_count, 2)
         child.resolve.assert_called()


@@ -1562,7 +1645,7 @@ class BlackDTestCase(AioHTTPTestCase):
     @unittest_run_loop
     async def test_blackd_unsupported_version(self) -> None:
         response = await self.client.post(
     @unittest_run_loop
     async def test_blackd_unsupported_version(self) -> None:
         response = await self.client.post(

-            "/", data=b"what", headers={blackd.VERSION_HEADER: "2"}
+            "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "2"}

         )
         self.assertEqual(response.status, 501)
 
         )
         self.assertEqual(response.status, 501)
 


@@ -1571,7 +1654,7 @@ class BlackDTestCase(AioHTTPTestCase):
     @unittest_run_loop
     async def test_blackd_supported_version(self) -> None:
         response = await self.client.post(
     @unittest_run_loop
     async def test_blackd_supported_version(self) -> None:
         response = await self.client.post(

-            "/", data=b"what", headers={blackd.VERSION_HEADER: "1"}
+            "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "1"}

         )
         self.assertEqual(response.status, 200)
 
         )
         self.assertEqual(response.status, 200)
 


@@ -1662,6 +1745,13 @@ class BlackDTestCase(AioHTTPTestCase):
         )
         self.assertEqual(response.status, 400)
 
         )
         self.assertEqual(response.status, 400)
 

+    @skip_if_exception("ClientOSError")
+    @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed")
+    @unittest_run_loop
+    async def test_blackd_response_black_version_header(self) -> None:
+        response = await self.client.post("/")
+        self.assertIsNotNone(response.headers.get(blackd.BLACK_VERSION_HEADER))
+

 
 if __name__ == "__main__":
     unittest.main(module="test_black")
 
 if __name__ == "__main__":
     unittest.main(module="test_black")