Adding simple tests for type values.

tests/test_openapi_schema_type.py

@@ -0,0 +1,50 @@
+import itertools
+from typing import List
+
+import pytest
+from fastapi.openapi.constants import TypeValue
+from fastapi.openapi.models import Schema
+
+# Define all possible type values
+TYPE_VALUES: List[TypeValue] = [
+    "array",
+    "boolean",
+    "integer",
+    "null",
+    "number",
+    "object",
+    "string",
+]
+
+# Generate all combinations of 2 or more types
+TYPE_COMBINATIONS = [
+    list(combo)
+    for size in range(2, len(TYPE_VALUES) + 1)
+    for combo in itertools.combinations(TYPE_VALUES, size)
+]
+
+
+@pytest.mark.parametrize("type_val", TYPE_VALUES)
+def test_schema_type_single_type_value(type_val: TypeValue) -> None:
+    """Test that Schema accepts single TypeValue for type field."""
+    schema = Schema(type=type_val)
+    assert schema.type == type_val
+
+
+@pytest.mark.parametrize("type_list", TYPE_COMBINATIONS)
+def test_schema_type_multiple_type_value(type_list: List[TypeValue]) -> None:
+    """Test all possible combinations of TypeValue for Schema type field."""
+    schema = Schema(type=type_list)
+    assert schema.type == type_list
+
+
+def test_schema_type_none_value() -> None:
+    """Test that Schema accepts None for type field (Optional)."""
+    schema = Schema(type=None)
+    assert schema.type is None
+
+
+def test_schema_default_type() -> None:
+    """Test that Schema defaults to None for type field if not specified."""
+    schema_default = Schema()
+    assert schema_default.type is None