98 lines
3.9 KiB
Python
98 lines
3.9 KiB
Python
"""Phase 1 tests: RAG query endpoint.
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Covers:
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- POST /api/v1/query question → retrieve → LLM → bullet-point response
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- Strict RAG prompt enforcement (only use retrieved context)
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- Bullet-point response format
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- Source metadata inclusion
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"""
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import pytest
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from fastapi.testclient import TestClient
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from unittest.mock import MagicMock, patch
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class TestQuery:
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"""RAG query endpoint tests."""
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@pytest.fixture
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def client(self):
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"""Create test client with mocked dependencies."""
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from app.main import app
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return TestClient(app)
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def test_query_returns_bullets(self, client):
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"""Should return bullet-point answer with source metadata."""
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with patch("app.routers.query.QueryDecomposer") as mock_decomposer_class:
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mock_decomposer = MagicMock()
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mock_decomposer.decompose.return_value = ["test", "keywords"]
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mock_decomposer_class.return_value = mock_decomposer
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with patch("app.routers.query.RAGService") as mock_rag_class:
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mock_rag = MagicMock()
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mock_rag.retrieve.return_value = [
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("chunk one", {"filename": "test.pdf"}, 0.1),
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("chunk two", {"filename": "test.pdf"}, 0.2),
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]
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mock_rag.generate_response.return_value = "- Bullet point answer\n- Another point"
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mock_rag_class.return_value = mock_rag
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with patch("app.routers.query.RelevanceFilter") as mock_filter_class:
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mock_filter = MagicMock()
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mock_filter.filter.return_value = [
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("chunk one", {"filename": "test.pdf"}),
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("chunk two", {"filename": "test.pdf"}),
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]
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mock_filter_class.return_value = mock_filter
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response = client.post(
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"/api/v1/query",
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json={"question": "What is this about?"},
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)
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assert response.status_code == 200
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data = response.json()
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assert "keywords" in data
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assert data["keywords"] == ["test", "keywords"]
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assert "answer" in data
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assert "- Bullet point answer" in data["answer"]
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assert "sources" in data
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assert len(data["sources"]) == 2
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assert data["sources"][0]["filename"] == "test.pdf"
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def test_query_no_relevant_chunks(self, client):
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"""Should handle case when no relevant chunks found."""
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with patch("app.routers.query.QueryDecomposer") as mock_decomposer_class:
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mock_decomposer = MagicMock()
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mock_decomposer.decompose.return_value = ["test"]
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mock_decomposer_class.return_value = mock_decomposer
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with patch("app.routers.query.RAGService") as mock_rag_class:
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mock_rag = MagicMock()
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mock_rag.retrieve.return_value = [
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("chunk one", {"filename": "test.pdf"}, 0.1),
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]
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mock_rag.generate_response.return_value = "I could not find any relevant information."
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mock_rag_class.return_value = mock_rag
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with patch("app.routers.query.RelevanceFilter") as mock_filter_class:
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mock_filter = MagicMock()
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mock_filter.filter.return_value = []
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mock_filter_class.return_value = mock_filter
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response = client.post(
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"/api/v1/query",
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json={"question": "What is this about?"},
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)
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assert response.status_code == 200
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data = response.json()
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assert data["keywords"] == ["test"]
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assert "could not find" in data["answer"].lower()
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assert data["sources"] == []
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def test_query_no_question(self, client):
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"""Should reject request without question."""
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response = client.post("/api/v1/query", json={})
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assert response.status_code == 422
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