Fix location of expression.diff in the change notification message (#670)

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

diff --git a/tests/test_black.py b/tests/test_black.py
index 6eaca98d8d05e19374d07fd53ad168f82629e05c..b3f1f8262d3437e3203683e972db5cc64c8bf454 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 import asyncio
 from concurrent.futures import ThreadPoolExecutor
-from contextlib import contextmanager
+from contextlib import contextmanager, redirect_stderr
 from functools import partial, wraps
 from io import BytesIO, TextIOWrapper
 import os
@@ -289,7 +289,7 @@ class BlackTestCase(unittest.TestCase):
             msg = (
                 f"Expected diff isn't equal to the actual. If you made changes "
                 f"to expression.py and this is an anticipated difference, "
-                f"overwrite tests/expression.diff with {dump}"
+                f"overwrite tests/data/expression.diff with {dump}"
             )
             self.assertEqual(expected, actual, msg)
 
@@ -362,6 +362,14 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, line_length=ll)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_comments6(self) -> None:
+        source, expected = read_data("comments6")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_cantfit(self) -> None:
         source, expected = read_data("cantfit")
@@ -410,6 +418,17 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, line_length=ll)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_numeric_literals_ignoring_underscores(self) -> None:
+        source, expected = read_data("numeric_literals_skip_underscores")
+        mode = (
+            black.FileMode.PYTHON36 | black.FileMode.NO_NUMERIC_UNDERSCORE_NORMALIZATION
+        )
+        actual = fs(source, mode=mode)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll, mode=mode)
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_numeric_literals_py2(self) -> None:
         source, expected = read_data("numeric_literals_py2")
@@ -1280,7 +1299,7 @@ class BlackTestCase(unittest.TestCase):
         try:
             list(black.gen_python_files_in_dir(path, root, include, exclude, report))
         except ValueError as ve:
-            self.fail("`get_python_files_in_dir()` failed: {ve}")
+            self.fail(f"`get_python_files_in_dir()` failed: {ve}")
         path.iterdir.assert_called_once()
         child.resolve.assert_called_once()
         child.is_symlink.assert_called_once()
@@ -1443,15 +1462,16 @@ class BlackTestCase(unittest.TestCase):
     @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed")
     @async_test
     async def test_blackd_fast(self) -> None:
-        app = blackd.make_app()
-        async with TestClient(TestServer(app)) as client:
-            response = await client.post("/", data=b"ur'hello'")
-            self.assertEqual(response.status, 500)
-            self.assertIn("failed to parse source file", await response.text())
-            response = await client.post(
-                "/", data=b"ur'hello'", headers={blackd.FAST_OR_SAFE_HEADER: "fast"}
-            )
-            self.assertEqual(response.status, 200)
+        with open(os.devnull, "w") as dn, redirect_stderr(dn):
+            app = blackd.make_app()
+            async with TestClient(TestServer(app)) as client:
+                response = await client.post("/", data=b"ur'hello'")
+                self.assertEqual(response.status, 500)
+                self.assertIn("failed to parse source file", await response.text())
+                response = await client.post(
+                    "/", data=b"ur'hello'", headers={blackd.FAST_OR_SAFE_HEADER: "fast"}
+                )
+                self.assertEqual(response.status, 200)
 
     @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed")
     @async_test