Fix an infinite loop when using `# fmt: on/off` ... (#3158)

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

diff --git a/tests/test_format.py b/tests/test_format.py
index 0e1059c61e4aa16aa41532d8c32a9224bac87a8b..7a099fb9f3343350cfaa33773f84984cf783a0b5 100644 (file)
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -28,6 +28,7 @@ def check_file(
     assert_format(source, expected, mode, fast=False)
 
 
+@pytest.mark.filterwarnings("ignore:invalid escape sequence.*:DeprecationWarning")
 @pytest.mark.parametrize("filename", all_data_cases("simple_cases"))
 def test_simple_format(filename: str) -> None:
     check_file("simple_cases", filename, DEFAULT_MODE)
@@ -132,6 +133,7 @@ def test_python_2_hint() -> None:
     exc_info.match(black.parsing.PY2_HINT)
 
 
+@pytest.mark.filterwarnings("ignore:invalid escape sequence.*:DeprecationWarning")
 def test_docstring_no_string_normalization() -> None:
     """Like test_docstring but with string normalization off."""
     source, expected = read_data("miscellaneous", "docstring_no_string_normalization")
@@ -139,6 +141,18 @@ def test_docstring_no_string_normalization() -> None:
     assert_format(source, expected, mode)
 
 
+def test_preview_docstring_no_string_normalization() -> None:
+    """
+    Like test_docstring but with string normalization off *and* the preview style
+    enabled.
+    """
+    source, expected = read_data(
+        "miscellaneous", "docstring_preview_no_string_normalization"
+    )
+    mode = replace(DEFAULT_MODE, string_normalization=False, preview=True)
+    assert_format(source, expected, mode)
+
+
 def test_long_strings_flag_disabled() -> None:
     """Tests for turning off the string processing logic."""
     source, expected = read_data("miscellaneous", "long_strings_flag_disabled")