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Tests for FastAPI endpoints — uses httpx AsyncClient, no GPU required.
"""
from __future__ import annotations
import json
import pytest
import pytest_asyncio
from httpx import AsyncClient, ASGITransport
from main import app
# ──────────────────────────────────────────
# Client fixture
# ──────────────────────────────────────────
@pytest_asyncio.fixture
async def client():
async with AsyncClient(
transport=ASGITransport(app=app),
base_url="http://test",
) as ac:
yield ac
# ──────────────────────────────────────────
# Health endpoint
# ──────────────────────────────────────────
class TestHealthEndpoint:
@pytest.mark.asyncio
async def test_health_endpoint_returns_200(self, client: AsyncClient):
response = await client.get("/api/health")
assert response.status_code == 200
@pytest.mark.asyncio
async def test_health_response_schema(self, client: AsyncClient):
response = await client.get("/api/health")
data = response.json()
assert "status" in data
assert "model" in data
assert "vllm_ready" in data
assert data["status"] == "ok"
@pytest.mark.asyncio
async def test_health_contains_vllm_endpoint(self, client: AsyncClient):
response = await client.get("/api/health")
data = response.json()
assert "vllm_endpoint" in data
assert "localhost" in data["vllm_endpoint"]
# ──────────────────────────────────────────
# Demo endpoint (no GPU)
# ──────────────────────────────────────────
class TestDemoEndpoint:
@pytest.mark.asyncio
async def test_demo_endpoint_returns_200(self, client: AsyncClient):
"""Demo must work without GPU — for CI/CD and frontend dev."""
response = await client.post("/api/analyze/demo")
assert response.status_code == 200
@pytest.mark.asyncio
async def test_demo_returns_session_result(self, client: AsyncClient):
response = await client.post("/api/analyze/demo")
data = response.json()
assert "session_id" in data
assert "status" in data
assert data["status"] == "complete"
@pytest.mark.asyncio
async def test_demo_has_security_findings(self, client: AsyncClient):
response = await client.post("/api/analyze/demo")
data = response.json()
assert "security_findings" in data
assert len(data["security_findings"]) > 0, (
"Demo should return at least one security finding"
)
@pytest.mark.asyncio
async def test_demo_has_privacy_certificate(self, client: AsyncClient):
response = await client.post("/api/analyze/demo")
data = response.json()
assert "privacy_certificate" in data
cert = data["privacy_certificate"]
assert cert is not None
assert "guarantee" in cert
assert "signature" in cert
@pytest.mark.asyncio
async def test_demo_no_gpu_required(self, client: AsyncClient):
"""Demo endpoint must not raise even when no GPU is present."""
# If this test runs on a machine without ROCm/CUDA, it must still pass
response = await client.post("/api/analyze/demo")
assert response.status_code in (200, 500)
if response.status_code == 500:
# Only acceptable failure is file not found for fixture
data = response.json()
assert "error" in data or "detail" in data
# ──────────────────────────────────────────
# Analyze endpoint — SSE streaming
# ──────────────────────────────────────────
class TestAnalyzeEndpoint:
@pytest.mark.asyncio
async def test_analyze_accepts_code_source_type(self, client: AsyncClient):
"""POST /api/analyze with source_type=code should return 200 (SSE stream starts)."""
payload = {
"source": "import pickle\npickle.load(open('model.pkl','rb'))",
"source_type": "code",
"session_id": "test-analyze-001",
}
response = await client.post("/api/analyze", json=payload)
# SSE streams return 200 even if they have no vLLM
assert response.status_code == 200
@pytest.mark.asyncio
async def test_analyze_returns_sse_stream(self, client: AsyncClient):
"""Response should be text/event-stream content type."""
payload = {
"source": "x = eval(input())",
"source_type": "code",
"session_id": "test-sse-stream",
}
response = await client.post("/api/analyze", json=payload)
content_type = response.headers.get("content-type", "")
assert "text/event-stream" in content_type
@pytest.mark.asyncio
async def test_analyze_validates_request_schema(self, client: AsyncClient):
"""Empty session_id should be rejected with 422."""
payload = {
"source": "some code",
"source_type": "code",
"session_id": "",
}
response = await client.post("/api/analyze", json=payload)
assert response.status_code == 422
@pytest.mark.asyncio
async def test_analyze_rejects_invalid_source_type(self, client: AsyncClient):
payload = {
"source": "some code",
"source_type": "invalid_type",
"session_id": "test-invalid-type",
}
response = await client.post("/api/analyze", json=payload)
assert response.status_code == 422
# ──────────────────────────────────────────
# Session endpoint
# ──────────────────────────────────────────
class TestSessionEndpoint:
@pytest.mark.asyncio
async def test_session_not_found_returns_404(self, client: AsyncClient):
response = await client.get("/api/session/nonexistent-session-xyz")
assert response.status_code == 404
@pytest.mark.asyncio
async def test_session_retrieval_after_demo(self, client: AsyncClient):
"""After running demo, session should be retrievable if store was populated."""
# Demo uses a fixed session ID
await client.post("/api/analyze/demo")
response = await client.get("/api/session/demo-session")
# Should either return 200 (found) or 404 (store uses in-memory, may not persist)
assert response.status_code in (200, 404)
# ──────────────────────────────────────────
# Privacy certificate endpoint
# ──────────────────────────────────────────
class TestPrivacyCertificateEndpoint:
@pytest.mark.asyncio
async def test_privacy_certificate_generated(self, client: AsyncClient):
"""
After a complete analysis, the privacy certificate endpoint should
return a valid certificate.
"""
# Run demo to populate a session
demo_response = await client.post("/api/analyze/demo")
assert demo_response.status_code == 200
demo_data = demo_response.json()
session_id = demo_data.get("session_id", "demo-session")
# Try to get certificate
cert_response = await client.get(f"/api/privacy-certificate/{session_id}")
# May be 404 if demo doesn't persist to store, or 200 if it does
assert cert_response.status_code in (200, 404)
if cert_response.status_code == 200:
cert = cert_response.json()
assert "guarantee" in cert
assert "signature" in cert
assert "session_id" in cert
@pytest.mark.asyncio
async def test_privacy_certificate_missing_session(self, client: AsyncClient):
response = await client.get("/api/privacy-certificate/does-not-exist-999")
assert response.status_code == 404
# ──────────────────────────────────────────
# Root endpoint
# ──────────────────────────────────────────
class TestRootEndpoint:
@pytest.mark.asyncio
async def test_root_returns_service_info(self, client: AsyncClient):
response = await client.get("/")
assert response.status_code == 200
data = response.json()
assert "service" in data
assert "CodeSentry" in data["service"]
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