Update cache_clear tests

tests/test_cache_clear.py

@@ -0,0 +1,101 @@
+# SPDX-FileCopyrightText: 2026 Alec Delaney
+# SPDX-FileCopyrightText: Python Software Foundation
+#
+# SPDX-License-Identifier: MIT
+# SPDX-License-Identifier: PSF-2.0
+
+"""Tests for cache_clear method."""
+
+from circuitpython_functools import cache, lru_cache
+
+# Factorial example adapted from CPython documentation
+
+TOTAL_CALLS = 0
+
+
+def test_cache_cache_clear():
+    """Tests the automatically attached cache_clear method works."""
+    global TOTAL_CALLS  # noqa: PLW0603
+
+    @cache
+    def factorial(n):
+        global TOTAL_CALLS  # noqa: PLW0603
+        TOTAL_CALLS += 1
+        return n * factorial(n=n - 1) if n else 1
+
+    assert TOTAL_CALLS == 0  # noqa: PLR2004
+
+    _ = factorial(n=10)
+    assert TOTAL_CALLS == 11  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    _ = factorial(n=10)
+    assert TOTAL_CALLS == 22  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    TOTAL_CALLS = 0
+
+
+def test_cache_cache_clear_empty():
+    """Tests the automatically attached cache_clear method works."""
+    global TOTAL_CALLS  # noqa: PLW0603
+
+    @cache
+    def factorial(n):
+        global TOTAL_CALLS  # noqa: PLW0603
+        TOTAL_CALLS += 1
+        return n * factorial(n=n - 1) if n else 1
+
+    assert TOTAL_CALLS == 0  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    assert TOTAL_CALLS == 0
+
+    TOTAL_CALLS = 0
+
+
+def test_lru_cache_cache_clear():
+    """Tests the automatically attached cache_clear method works."""
+    global TOTAL_CALLS  # noqa: PLW0603
+
+    @lru_cache
+    def factorial(n):
+        global TOTAL_CALLS  # noqa: PLW0603
+        TOTAL_CALLS += 1
+        return n * factorial(n=n - 1) if n else 1
+
+    assert TOTAL_CALLS == 0  # noqa: PLR2004
+
+    _ = factorial(n=10)
+    assert TOTAL_CALLS == 11  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    _ = factorial(n=10)
+    assert TOTAL_CALLS == 22  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    TOTAL_CALLS = 0
+
+
+def test_lru_cache_cache_clear_empty():
+    """Tests the automatically attached cache_clear method works."""
+    global TOTAL_CALLS  # noqa: PLW0603
+
+    @lru_cache
+    def factorial(n):
+        global TOTAL_CALLS  # noqa: PLW0603
+        TOTAL_CALLS += 1
+        return n * factorial(n=n - 1) if n else 1
+
+    assert TOTAL_CALLS == 0  # noqa: PLR2004
+
+    factorial.cache_clear()
+
+    assert TOTAL_CALLS == 0
+
+    TOTAL_CALLS = 0

tests/test_lru_cache.py

@@ -8,7 +8,7 @@
 
 import pytest
 
-from circuitpython_functools import _lru_cache_records, lru_cache
+from circuitpython_functools import lru_cache
 
 # Factorial example adapted from CPython documentation
 
@@ -115,29 +115,6 @@ def factorial(*, n):
     TOTAL_CALLS = 0
 
 
-def test_lru_cache_cache_clear():
-    """Tests the automatically attached cache_clear method works."""
-    global TOTAL_CALLS  # noqa: PLW0603
-
-    @lru_cache
-    def factorial(n):
-        global TOTAL_CALLS  # noqa: PLW0603
-        TOTAL_CALLS += 1
-        return n * factorial(n=n - 1) if n else 1
-
-    assert TOTAL_CALLS == 0  # noqa: PLR2004
-
-    _ = factorial(n=10)
-    assert TOTAL_CALLS == 11  # noqa: PLR2004
-
-    factorial.cache_clear()
-
-    _ = factorial(n=10)
-    assert TOTAL_CALLS == 22  # noqa: PLR2004
-
-    TOTAL_CALLS = 0
-
-
 def test_lru_cache_typed_error_args():
     """Tests that lru_cache raises an error if "typed" given as arg."""
     with pytest.raises(NotImplementedError):