"""Tests for reddit_mcp.config module."""
import os
from unittest.mock import patch
import pytest
from reddit_mcp.config import RedditConfig
def test_config_from_env_success():
"""Test successful configuration loading from environment."""
with patch.dict(os.environ, {
'REDDIT_CLIENT_ID': 'test_client_id',
'REDDIT_CLIENT_SECRET': 'test_client_secret',
'REDDIT_USER_AGENT': 'test_user_agent',
}):
config = RedditConfig.from_env()
assert config.client_id == 'test_client_id'
assert config.client_secret == 'test_client_secret'
assert config.user_agent == 'test_user_agent'
@patch('reddit_mcp.config.load_dotenv') # Mock dotenv loading
def test_config_from_env_missing_required(mock_load_dotenv):
"""Test configuration loading fails with missing required vars."""
with patch.dict(os.environ, {}, clear=True):
with pytest.raises(ValueError, match="Missing required Reddit API configuration"):
RedditConfig.from_env()
@patch('reddit_mcp.config.load_dotenv') # Mock dotenv loading
def test_config_from_env_partial_missing(mock_load_dotenv):
"""Test configuration loading fails with partially missing vars."""
with patch.dict(os.environ, {
'REDDIT_CLIENT_ID': 'test_client_id',
# Missing SECRET and USER_AGENT
}, clear=True):
with pytest.raises(ValueError, match="Missing required Reddit API configuration"):
RedditConfig.from_env()
