LCORE-2320: in-memory config unit tests

tests/unit/models/config/test_in_memory_cache_configuration.py

@@ -0,0 +1,31 @@
+"""Unit tests for InMemoryCache model."""
+
+import pytest
+from pydantic import ValidationError
+
+from models.config import InMemoryCacheConfig
+
+
+def test_in_memory_cache_configuration() -> None:
+    """Test the in memory cache configuration."""
+    c = InMemoryCacheConfig(max_entries=100)
+    assert c is not None
+    assert c.max_entries == 100
+
+
+def test_in_memory_cache_incorrect_configuration_zero_max_entries() -> None:
+    """Test the in memory cache incorrect configuration handling."""
+    with pytest.raises(ValidationError, match="Input should be greater than 0"):
+        InMemoryCacheConfig(max_entries=0)
+
+
+def test_in_memory_cache_incorrect_configuration_negative_max_entries() -> None:
+    """Test the in memory cache incorrect configuration handling."""
+    with pytest.raises(ValidationError, match="Input should be greater than 0"):
+        InMemoryCacheConfig(max_entries=-100)
+
+
+def test_in_memory_cache_incorrect_configuration_no_max_entries() -> None:
+    """Test the in memory cache incorrect configuration handling."""
+    with pytest.raises(ValidationError, match="Field required"):
+        InMemoryCacheConfig()  # pyright: ignore[reportCallIssue]