test(responses): responses API Response object unit tests

tests/unit/openapi_typing/test_schema_literals.py

@@ -0,0 +1,33 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+from typing import Literal
+
+import pytest
+
+from llama_stack.strong_typing.schema import JsonSchemaGenerator
+
+
+def test_single_literal_generates_const_schema():
+    gen = JsonSchemaGenerator()
+    schema = gen.type_to_schema(Literal["hello"])  # type: ignore[valid-type]
+
+    assert schema["const"] == "hello"
+    assert schema["type"] == "string"
+
+
+def test_multi_literal_generates_enum_schema():
+    gen = JsonSchemaGenerator()
+    schema = gen.type_to_schema(Literal["a", "b", "c"])  # type: ignore[valid-type]
+
+    assert schema["enum"] == ["a", "b", "c"]
+    assert schema["type"] == "string"
+
+
+def test_mixed_type_literal_raises():
+    gen = JsonSchemaGenerator()
+    with pytest.raises((ValueError, TypeError)):
+        _ = gen.type_to_schema(Literal["x", 1])  # type: ignore[valid-type]