diff --git a/test_main.py b/test_main.py
index e8f1276..b7a50ec 100644
--- a/test_main.py
+++ b/test_main.py
@@ -1,110 +1,147 @@
 from fastapi.testclient import TestClient
 from api import app
-from mongo import MongoDB
+# from mongo import MongoDB
 from settings import summary_para
+from unittest.mock import MagicMock, patch
 
 client = TestClient(app)
-db = MongoDB()
+# db = MongoDB()
 
 
 def test_invoice_extractor():
-    image_file = open("data/invoice.png", "rb")
-    files = {"image_file": image_file}
-    data = {"prompt": "To whom this invoice belongs"}
-
-    response = client.post("/invoice_extractor", files=files, data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        image_file = open("data/invoice.png", "rb")
+        files = {"image_file": image_file}
+        data = {"prompt": "To whom this invoice belongs"}
+
+        with TestClient(app) as client:
+            response = client.post("/invoice_extractor", files=files, data=data)
+            assert response.status_code == 200
+            assert "response" in response.json()
 
 def test_blogs():
     data = {"topic": "Tensorflow"}
 
-    response = client.post("/blog_generator", data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/blog_generator", data=data)
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_sql_query():
     data = {"prompt": "Tell me the employees living in city Noida"}
 
-    response = client.post("/Text2SQL", data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/Text2SQL", data=data)
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_youtube_video_transcribe_summarizer():
     data = {"url": "https://www.youtube.com/watch?v=voexVsTHPBY&ab_channel=NabeelNawab"}
 
-    response = client.post("/youtube_video_transcribe_summarizer", data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/youtube_video_transcribe_summarizer", data=data)
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_nutritionist_expert():
     image_file = open("data/burger.jpg", "rb")
     data = {"height": "165", "weight": "70"}
 
-    response = client.post("/nutritionist_expert", files={"image_file": image_file}, data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/nutritionist_expert", files={"image_file": image_file}, data=data)
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_talk2PDF():
     pdf_file = open("data/yolo.pdf", "rb")
     data = {"prompt": "Summary in 200 words"}
 
-    response = client.post("/talk2PDF", files={"pdf": pdf_file}, data=data)
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/talk2PDF", files={"pdf": pdf_file}, data=data)
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_questions_generator():
     pdf_file = open("data/yolo.pdf", "rb")
 
-    # Make a request to the questions_generator endpoint
-    response = client.post("/questions_generator", files={"pdf": pdf_file})
-    assert response.status_code == 200
-    assert "response" in response.json()
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/questions_generator", files={"pdf": pdf_file})
+        assert response.status_code == 200
+        assert "response" in response.json()
 
 def test_chat_groq():
     question = "What is the capital of France?"
     model = "mixtral-8x7b-32768"
     conversational_memory_length = 5
-    # Send the POST request
     data = {
         "question": question,
         "model": model,
         "conversational_memory_length": conversational_memory_length
     }
-    response = client.post("/chat_groq", data=data)
-
-    assert response.status_code == 200
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/chat_groq", data=data)
 
-    # Assert the response content
-    response_data = response.json()
-    assert "Chatbot" in response_data
-    assert isinstance(response_data["Chatbot"], str)
+        assert response.status_code == 200
+        response_data = response.json()
+        assert "Chatbot" in response_data
+        assert isinstance(response_data["Chatbot"], str)
 
 def test_text_summarizer_groq():
     data = {
         "input_text": summary_para
     }
-    response = client.post("/text_summarizer_groq", data=data)
-    assert response.status_code == 200
 
-    response_data = response.json()
-    assert "Summary" in response_data
-    assert isinstance(response_data["Summary"], str)
-    assert len(response_data["Summary"]) > 0
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/text_summarizer_groq", data=data)
+        assert response.status_code == 200
+        response_data = response.json()
+        assert "Summary" in response_data
+        assert isinstance(response_data["Summary"], str)
+        assert len(response_data["Summary"]) > 0
 
 def test_summarize_audio():
     audio_file_path = "data/harvard.wav"
 
     with open(audio_file_path, "rb") as audio_file:
         files = {"audio_file": audio_file}
-        response = client.post("/summarize_audio", files=files)
-
-    assert response.status_code == 200
 
-    response_data = response.json()
-    assert "response" in response_data
-    assert isinstance(response_data["response"], str)
-    assert len(response_data["response"]) > 0
+        with patch('api.MongoDB') as MockMongoDB:
+            mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+            MockMongoDB.return_value.insert_data = mock_insert_data
+            
+            response = client.post("/summarize_audio", files=files)
+            assert response.status_code == 200
+            response_data = response.json()
+            assert "response" in response_data
+            assert isinstance(response_data["response"], str)
+            assert len(response_data["response"]) > 0
 
 def test_qa_url_doc_with_url():
     url = ["https://huggingface.co/blog/merve/quantization"]
@@ -114,13 +151,16 @@ def test_qa_url_doc_with_url():
         "url": url,
         "prompt": prompt
     }
-    response = client.post("/qa_url_doc", data=data)
 
-    assert response.status_code == 200
-
-    response_data = response.json()
-    assert "response" in response_data
-    assert isinstance(response_data["response"], str)
+    with patch('api.MongoDB') as MockMongoDB:
+        mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+        MockMongoDB.return_value.insert_data = mock_insert_data
+        
+        response = client.post("/qa_url_doc", data=data)
+        assert response.status_code == 200
+        response_data = response.json()
+        assert "response" in response_data
+        assert isinstance(response_data["response"], str)
 
 def test_qa_url_doc_with_document():
     document_file_path = "data/llm.txt"
@@ -129,10 +169,12 @@ def test_qa_url_doc_with_document():
     with open(document_file_path, "rb") as document_file:
         files = {"documents": ("document.txt", document_file, "text/plain")}
         data = {"prompt": prompt}
-        response = client.post("/qa_url_doc", files=files, data=data)
-
-    assert response.status_code == 200
-
-    response_data = response.json()
-    assert "response" in response_data
-    assert isinstance(response_data["response"], str)
\ No newline at end of file
+        with patch('api.MongoDB') as MockMongoDB:
+            mock_insert_data = MagicMock(return_value={'Status': 'Successfully Inserted!!!', 'Document_id': 'mock_id'})
+            MockMongoDB.return_value.insert_data = mock_insert_data
+            
+            response = client.post("/qa_url_doc", files=files, data=data)
+            assert response.status_code == 200
+            response_data = response.json()
+            assert "response" in response_data
+            assert isinstance(response_data["response"], str)
\ No newline at end of file