diff --git a/MinuteMate/back/tests/__init__.py b/MinuteMate/back/tests/__init__.py
new file mode 100644
index 00000000..94ecca8f
--- /dev/null
+++ b/MinuteMate/back/tests/__init__.py
@@ -0,0 +1,4 @@
+# pip install pytest pytest-asyncio pytest-cov
+
+# Running the tests
+# pytest --cov=app tests/ -v
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diff --git a/MinuteMate/back/tests/conftest.py b/MinuteMate/back/tests/conftest.py
new file mode 100644
index 00000000..12bff9be
--- /dev/null
+++ b/MinuteMate/back/tests/conftest.py
@@ -0,0 +1,25 @@
+import pytest
+from fastapi.testclient import TestClient
+from unittest.mock import Mock, patch
+from typing import Generator
+
+from app.main import app  # Adjust import path as needed
+
+@pytest.fixture
+def test_client() -> Generator:
+    with TestClient(app) as client:
+        yield client
+
+@pytest.fixture
+def mock_weaviate_client():
+    with patch('weaviate.connect_to_weaviate_cloud') as mock:
+        mock_client = Mock()
+        mock.return_value = mock_client
+        yield mock_client
+
+@pytest.fixture
+def mock_openai_client():
+    with patch('openai.OpenAI') as mock:
+        mock_client = Mock()
+        mock.return_value = mock_client
+        yield mock_client
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diff --git a/MinuteMate/back/tests/test_api.py b/MinuteMate/back/tests/test_api.py
new file mode 100644
index 00000000..92d1fca4
--- /dev/null
+++ b/MinuteMate/back/tests/test_api.py
@@ -0,0 +1,25 @@
+import pytest
+from fastapi.testclient import TestClient
+from app.main import app  # Adjust import path
+
+def test_process_prompt_valid_request(test_client):
+    response = test_client.post(
+        "/process-prompt",
+        json={"user_prompt_text": "Test prompt"}
+    )
+    assert response.status_code == 200
+    assert "generated_response" in response.json()
+
+def test_process_prompt_invalid_request(test_client):
+    response = test_client.post(
+        "/process-prompt",
+        json={"user_prompt_text": ""}
+    )
+    assert response.status_code == 422
+
+def test_process_prompt_long_text(test_client):
+    response = test_client.post(
+        "/process-prompt",
+        json={"user_prompt_text": "a" * 1001}
+    )
+    assert response.status_code == 422
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diff --git a/MinuteMate/back/tests/test_config.py b/MinuteMate/back/tests/test_config.py
new file mode 100644
index 00000000..5c7b280c
--- /dev/null
+++ b/MinuteMate/back/tests/test_config.py
@@ -0,0 +1,30 @@
+import pytest
+import os
+from unittest.mock import patch
+from app.main import WeaviateConfig, PromptProcessor  # Adjust import path
+
+def test_weaviate_config_initialization():
+    test_url = "https://test-url"
+    test_api_key = "test-key"
+    
+    with patch('weaviate.connect_to_weaviate_cloud') as mock_connect:
+        WeaviateConfig.get_weaviate_client(test_url, test_api_key)
+        mock_connect.assert_called_once()
+
+def test_prompt_processor_env_vars():
+    test_env_vars = {
+        'OPENAI_API_KEY': 'test-openai-key',
+        'WEAVIATE_URL': 'test-weaviate-url',
+        'WEAVIATE_API_KEY': 'test-weaviate-key'
+    }
+    
+    with patch.dict(os.environ, test_env_vars):
+        processor = PromptProcessor()
+        assert processor.OPENAI_API_KEY == 'test-openai-key'
+        assert processor.WEAVIATE_URL == 'test-weaviate-url'
+        assert processor.WEAVIATE_API_KEY == 'test-weaviate-key'
+
+def test_prompt_processor_missing_env_vars():
+    with patch.dict(os.environ, {}, clear=True):
+        with pytest.raises(ValueError):
+            PromptProcessor()
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diff --git a/MinuteMate/back/tests/test_dependencies.py b/MinuteMate/back/tests/test_dependencies.py
new file mode 100644
index 00000000..bfc8aeef
--- /dev/null
+++ b/MinuteMate/back/tests/test_dependencies.py
@@ -0,0 +1,34 @@
+import pytest
+from app.main import PromptProcessor, PromptRequest  # Adjust import path
+
+def test_extract_keywords(mock_weaviate_client):
+    processor = PromptProcessor()
+    text = "This is a test meeting about project planning and team coordination"
+    keywords = processor.extract_keywords(text)
+    assert isinstance(keywords, list)
+    assert len(keywords) <= 3
+
+def test_search_weaviate(mock_weaviate_client):
+    processor = PromptProcessor()
+    
+    # Mock the collection query response
+    mock_result = Mock()
+    mock_result.objects = []
+    mock_weaviate_client.collections.get().query.bm25.return_value = mock_result
+    
+    context_segments, keywords = processor.search_weaviate("test query")
+    assert isinstance(context_segments, list)
+    assert isinstance(keywords, list)
+
+@pytest.mark.asyncio
+async def test_process_prompt_endpoint(test_client):
+    test_prompt = "Test prompt"
+    response = test_client.post(
+        "/process-prompt",
+        json={"user_prompt_text": test_prompt}
+    )
+    
+    assert response.status_code == 200
+    assert "generated_response" in response.json()
+    assert "context_segments" in response.json()
+    assert "keywords" in response.json()
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