diff --git a/erniebot-agent/tests/unit_tests/tools/test_langchain_retrieval_tool.py b/erniebot-agent/tests/unit_tests/tools/test_langchain_retrieval_tool.py
new file mode 100644
index 00000000..69820ee4
--- /dev/null
+++ b/erniebot-agent/tests/unit_tests/tools/test_langchain_retrieval_tool.py
@@ -0,0 +1,29 @@
+import pytest
+from langchain.docstore.document import Document
+
+from erniebot_agent.tools.langchain_retrieval_tool import LangChainRetrievalTool
+
+
+class FakeSearch:
+    def similarity_search_with_relevance_scores(self, query: str, top_k: int = 10, **kwargs):
+        doc = (Document(page_content="电动汽车的品牌有哪些？各有什么特点？"), 0.5)
+        retrieval_results = [doc]
+
+        return retrieval_results
+
+
+@pytest.fixture(scope="module")
+def tool():
+    db = FakeSearch()
+    return LangChainRetrievalTool(db)
+
+
+def test_schema(tool):
+    function_call_schema = tool.function_call_schema()
+    assert function_call_schema["description"] == LangChainRetrievalTool.description
+
+
+@pytest.mark.asyncio
+async def test_tool(tool):
+    results = await tool(query="This is a test query")
+    assert results == {"documents": [{"content": "电动汽车的品牌有哪些？各有什么特点？", "score": 0.5, "meta": {}}]}
diff --git a/erniebot-agent/tests/unit_tests/tools/test_llama_index_retrieval_tool.py b/erniebot-agent/tests/unit_tests/tools/test_llama_index_retrieval_tool.py
new file mode 100644
index 00000000..37e7b011
--- /dev/null
+++ b/erniebot-agent/tests/unit_tests/tools/test_llama_index_retrieval_tool.py
@@ -0,0 +1,31 @@
+import pytest
+from llama_index import Document
+
+from erniebot_agent.tools.llama_index_retrieval_tool import LlamaIndexRetrievalTool
+
+
+class FakeSearch:
+    def as_retriever(self, similarity_top_k: int = 10, **kwargs):
+        def retrieve(query: str):
+            doc = (Document(text="电动汽车的品牌有哪些？各有什么特点？"), 0.5)
+            retrieval_results = [doc]
+            return retrieval_results
+
+        return retrieve
+
+
+@pytest.fixture(scope="module")
+def tool():
+    db = FakeSearch()
+    return LlamaIndexRetrievalTool(db)
+
+
+def test_schema(tool):
+    function_call_schema = tool.function_call_schema()
+    assert function_call_schema["description"] == LlamaIndexRetrievalTool.description
+
+
+@pytest.mark.asyncio
+async def test_tool(tool):
+    results = await tool(query="This is a test query")
+    assert results == {"documents": [{"content": "电动汽车的品牌有哪些？各有什么特点？", "score": 0.5, "meta": {}}]}