Improve CLI reference wording (#2753)

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

diff --git a/tests/test_format.py b/tests/test_format.py
index 649c1572bee44a2651beef931d474ba6cdaa0674..30099aaf1bc2f175acea55842d10f1768d94cc67 100644 (file)
--- a/tests/test_format.py
+++ b/tests/test_format.py
@@ -70,6 +70,13 @@ EXPERIMENTAL_STRING_PROCESSING_CASES = [
     "percent_precedence",
 ]
 
+PY310_CASES = [
+    "pattern_matching_simple",
+    "pattern_matching_complex",
+    "pattern_matching_extras",
+    "pattern_matching_style",
+    "parenthesized_context_managers",
+]
 
 SOURCES = [
     "src/black/__init__.py",
@@ -187,6 +194,31 @@ def test_pep_570() -> None:
     assert_format(source, expected, minimum_version=(3, 8))
 
 
+@pytest.mark.parametrize("filename", PY310_CASES)
+def test_python_310(filename: str) -> None:
+    source, expected = read_data(filename)
+    mode = black.Mode(target_versions={black.TargetVersion.PY310})
+    assert_format(source, expected, mode, minimum_version=(3, 10))
+
+
+def test_patma_invalid() -> None:
+    source, expected = read_data("pattern_matching_invalid")
+    mode = black.Mode(target_versions={black.TargetVersion.PY310})
+    with pytest.raises(black.parsing.InvalidInput) as exc_info:
+        assert_format(source, expected, mode, minimum_version=(3, 10))
+
+    exc_info.match("Cannot parse: 10:11")
+
+
+def test_patma_hint() -> None:
+    source, expected = read_data("pattern_matching_simple")
+    mode = black.Mode(target_versions={black.TargetVersion.PY39})
+    with pytest.raises(black.parsing.InvalidInput) as exc_info:
+        assert_format(source, expected, mode, minimum_version=(3, 10))
+
+    exc_info.match(black.parsing.PY310_HINT)
+
+
 def test_docstring_no_string_normalization() -> None:
     """Like test_docstring but with string normalization off."""
     source, expected = read_data("docstring_no_string_normalization")