Add test for Color Pydantic v1/v2 compatibility

tests/test_color_compat.py

@@ -0,0 +1,33 @@
+# tests/test_color_compat.py
+import sys
+import pytest
+import warnings
+import pydantic
+
+# Determine if we are running Pydantic v2+
+PYDANTIC_V2 = tuple(map(int, pydantic.VERSION.split("."))) >= (2, 0)
+
+# Import Color safely
+try:
+    from pydantic_extra_types.color import Color
+except ImportError:
+    Color = type("DummyColor", (), {})  # fallback for Pydantic v1
+
+def test_color_import_and_usage():
+    """
+    Test that Color import and usage works correctly for both Pydantic v1 and v2.
+    Ensures no ImportError, TypeError, or DeprecationWarning occurs.
+    """
+    # Capture warnings
+    with warnings.catch_warnings(record=True) as w:
+        warnings.simplefilter("always")
+
+        # Pydantic v2: instantiate Color
+        if PYDANTIC_V2:
+            c = Color("#FF0000")  # should succeed
+            assert isinstance(c, Color)
+        else:
+            # Pydantic v1: treat as dummy string
+            c = "#FF0000"
+            # Ensure no warning was triggered
+            assert all("DeprecationWarning" not in str(warning.message) for warning in w)