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import os
import pytest
import asyncio
import httpx
from unittest.mock import patch, MagicMock, AsyncMock
from dotenv import load_dotenv
from stackoverflow_mcp.api import StackExchangeAPI
from stackoverflow_mcp.types import SearchResult
# Load test environment variables
load_dotenv(".env.test")
@pytest.fixture
def api_key():
"""Return API key from environment or None."""
return os.getenv("STACK_EXCHANGE_API_KEY")
@pytest.fixture
def api(api_key):
"""Create a StackExchangeAPI instance for testing."""
api = StackExchangeAPI(api_key=api_key)
yield api
# Clean up
asyncio.run(api.close())
@pytest.fixture
def mock_search_response():
"""Create a mock search response."""
response = MagicMock()
response.raise_for_status = MagicMock()
response.json = MagicMock(return_value={
"items": [
{
"question_id": 12345,
"title": "How to unittest a Flask application?",
"body": "<p>I'm trying to test my Flask application with unittest.</p>",
"score": 25,
"answer_count": 3,
"is_answered": True,
"accepted_answer_id": 54321,
"creation_date": 1609459200,
"last_activity_date": 1609459200,
"view_count": 1000,
"tags": ["python", "flask", "testing", "unittest"],
"link": "https://stackoverflow.com/q/12345",
"closed_date": None,
"owner": {
"user_id": 101,
"display_name": "Test User",
"reputation": 1000
}
}
],
"has_more": False,
"quota_max": 300,
"quota_remaining": 299
})
return response
# REAL API TESTS
@pytest.mark.asyncio
@pytest.mark.real_api
async def test_search_by_query_real(api):
"""Test searching by query using real API."""
# Skip if no API key
if not os.getenv("STACK_EXCHANGE_API_KEY"):
pytest.skip("API key required for real API tests")
results = await api.search_by_query(
query="python unittest flask",
tags=["python", "flask"],
limit=3
)
# Basic validation
assert isinstance(results, list)
if results: # May be empty if no results match
assert isinstance(results[0], SearchResult)
assert results[0].question.title is not None
assert "python" in [tag.lower() for tag in results[0].question.tags]
@pytest.mark.asyncio
@pytest.mark.real_api
async def test_advanced_search_real(api):
"""Test advanced search using real API."""
# Skip if no API key
if not os.getenv("STACK_EXCHANGE_API_KEY"):
pytest.skip("API key required for real API tests")
results = await api.advanced_search(
query="database connection",
tags=["python"],
min_score=10,
has_accepted_answer=True,
limit=2
)
# Basic validation
assert isinstance(results, list)
if results: # May be empty if no results match
assert isinstance(results[0], SearchResult)
assert results[0].question.score >= 10
assert "python" in [tag.lower() for tag in results[0].question.tags]
# MOCK TESTS
@pytest.mark.asyncio
async def test_search_by_query_mock(api, mock_search_response):
"""Test searching by query with mocked response."""
with patch.object(httpx.AsyncClient, 'get', return_value=mock_search_response):
results = await api.search_by_query(
query="flask unittest",
tags=["python", "flask"],
min_score=10,
limit=5
)
assert len(results) == 1
assert results[0].question.question_id == 12345
assert results[0].question.title == "How to unittest a Flask application?"
assert "python" in results[0].question.tags
assert "flask" in results[0].question.tags
@pytest.mark.asyncio
async def test_empty_search_results(api):
"""Test empty search results handling."""
empty_response = MagicMock()
empty_response.raise_for_status = MagicMock()
empty_response.json = MagicMock(return_value={"items": []})
with patch.object(httpx.AsyncClient, 'get', return_value=empty_response):
results = await api.search_by_query(
query="definitely will not find anything 89797979",
limit=1
)
assert isinstance(results, list)
assert len(results) == 0
@pytest.mark.asyncio
async def test_search_with_min_score_filtering(api, mock_search_response):
"""Test that min_score parameter properly filters results."""
with patch.object(httpx.AsyncClient, 'get', return_value=mock_search_response):
# Should return results (mock score is 25)
results_included = await api.search_by_query(
query="flask unittest",
min_score=20,
limit=5
)
assert len(results_included) == 1
# Should filter out results
results_filtered = await api.search_by_query(
query="flask unittest",
min_score=30,
limit=5
)
assert len(results_filtered) == 0
@pytest.mark.asyncio
async def test_search_with_multiple_tags(api, mock_search_response):
"""Test searching with multiple tags."""
with patch.object(httpx.AsyncClient, 'get', return_value=mock_search_response):
results = await api.search_by_query(
query="test",
tags=["python", "flask", "django"],
limit=5
)
# Verify the tags were properly passed to the request
call_args = httpx.AsyncClient.get.call_args
params = call_args[1]['params']
assert 'tagged' in params
assert params['tagged'] == "python;flask;django"
@pytest.mark.asyncio
async def test_search_with_excluded_tags(api, mock_search_response):
"""Test searching with excluded tags."""
with patch.object(httpx.AsyncClient, 'get', return_value=mock_search_response):
results = await api.search_by_query(
query="test",
excluded_tags=["javascript", "c#"],
limit=5
)
# Verify the excluded tags were properly passed to the request
call_args = httpx.AsyncClient.get.call_args
params = call_args[1]['params']
assert 'nottagged' in params
assert params['nottagged'] == "javascript;c#"
@pytest.mark.asyncio
async def test_search_with_advanced_parameters(api, mock_search_response):
"""Test advanced search with multiple parameters."""
with patch.object(httpx.AsyncClient, 'get', return_value=mock_search_response):
results = await api.advanced_search(
query="flask test",
tags=["python"],
title="unittest",
has_accepted_answer=True,
sort_by="relevance",
limit=5
)
# Verify parameters were properly passed
call_args = httpx.AsyncClient.get.call_args
params = call_args[1]['params']
assert params['q'] == "flask test"
assert params['tagged'] == "python"
assert params['title'] == "unittest"
assert params['accepted'] == "true"
assert params['sort'] == "relevance"
assert params['pagesize'] == "5"
@pytest.mark.asyncio
async def test_search_api_error(api):
"""Test handling of API errors."""
error_response = MagicMock()
error_response.raise_for_status = MagicMock(
side_effect=httpx.HTTPStatusError(
"500 Internal Server Error",
request=MagicMock(),
response=MagicMock(status_code=500)
)
)
with patch.object(httpx.AsyncClient, 'get', return_value=error_response):
with pytest.raises(httpx.HTTPStatusError):
await api.search_by_query("test query") |