test: Restore responses unit tests

tests/unit/providers/agents/meta_reference/fixtures/__init__.py

@@ -0,0 +1,23 @@
+# 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.
+
+import os
+
+import yaml
+
+from llama_stack_api.inference import (
+    OpenAIChatCompletion,
+)
+
+FIXTURES_DIR = os.path.dirname(os.path.abspath(__file__))
+
+
+def load_chat_completion_fixture(filename: str) -> OpenAIChatCompletion:
+    fixture_path = os.path.join(FIXTURES_DIR, filename)
+
+    with open(fixture_path) as f:
+        data = yaml.safe_load(f)
+    return OpenAIChatCompletion(**data)

tests/unit/providers/agents/meta_reference/fixtures/simple_chat_completion.yaml

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+id: chat-completion-123
+choices:
+  - message:
+      content: "Dublin"
+      role: assistant
+    finish_reason: stop
+    index: 0
+created: 1234567890
+model: meta-llama/Llama-3.1-8B-Instruct

tests/unit/providers/agents/meta_reference/fixtures/tool_call_completion.yaml

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+id: chat-completion-123
+choices:
+  - message:
+      tool_calls:
+        - id: tool_call_123
+          type: function
+          function:
+            name: web_search
+            arguments: '{"query":"What is the capital of Ireland?"}'
+      role: assistant
+    finish_reason: stop
+    index: 0
+created: 1234567890
+model: meta-llama/Llama-3.1-8B-Instruct