only skip real comments

1 files changed, 5 insertions, 0 deletions

diff --git a/tests/unit/test_isort.py b/tests/unit/test_isort.py
index b0534142..3467569f 100644
--- a/tests/unit/test_isort.py
+++ b/tests/unit/test_isort.py
@@ -837,6 +837,11 @@ def test_skip_within_file() -> None:
     with pytest.raises(FileSkipped):
         isort.code(test_input, known_third_party=["django"])
 
+def test_skip_comment_is_no_comment() -> None:
+    """Ensure skipping a whole file works."""
+    test_input = "content = \"# isort:skip_file\""
+    test_output = isort.code(test_input)
+    assert test_output == test_input
 
 def test_force_to_top() -> None:
     """Ensure forcing a single import to the top of its category works as expected."""