Run trailing comma tests with TargetVersion.PY38

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

diff --git a/tests/test_black.py b/tests/test_black.py
index 7793b0e11317edf1e6a39d4f991a110dc6af99f7..16002c0b728c9c82bad30726ceb9820ff1a2ee8d 100644 (file)
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -593,7 +593,8 @@ class BlackTestCase(unittest.TestCase):
     @patch("black.dump_to_file", dump_to_stderr)
     def test_comments7(self) -> None:
         source, expected = read_data("comments7")
-        actual = fs(source)
+        mode = replace(DEFAULT_MODE, target_versions={black.TargetVersion.PY38})
+        actual = fs(source, mode=mode)
         self.assertFormatEqual(expected, actual)
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, DEFAULT_MODE)
@@ -630,6 +631,15 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, DEFAULT_MODE)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_composition_no_trailing_comma(self) -> None:
+        source, expected = read_data("composition_no_trailing_comma")
+        mode = replace(DEFAULT_MODE, target_versions={black.TargetVersion.PY38})
+        actual = fs(source, mode=mode)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, DEFAULT_MODE)
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_empty_lines(self) -> None:
         source, expected = read_data("empty_lines")
@@ -2062,7 +2072,7 @@ class BlackDTestCase(AioHTTPTestCase):
         self.assertIsNotNone(response.headers.get(blackd.BLACK_VERSION_HEADER))
 
 
-with open(black.__file__, "r") as _bf:
+with open(black.__file__, "r", encoding="utf-8") as _bf:
     black_source_lines = _bf.readlines()