"""Tests for the Todoist API client module."""
import pytest
from todoist_api_python.api import TodoistAPI
from todoist_mcp import client
class TestValidateToken:
"""Tests for validate_token function."""
def test_validate_token_success(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that validate_token returns the token when set."""
monkeypatch.setenv("TODOIST_API_TOKEN", "valid-token-123")
result = client.validate_token()
assert result == "valid-token-123"
def test_validate_token_missing(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that validate_token raises RuntimeError when token is missing."""
monkeypatch.delenv("TODOIST_API_TOKEN", raising=False)
with pytest.raises(RuntimeError) as exc_info:
client.validate_token()
assert "TODOIST_API_TOKEN environment variable is required" in str(exc_info.value)
class TestCreateClient:
"""Tests for create_client function."""
def test_create_client_returns_todoist_api(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that create_client returns a TodoistAPI instance."""
monkeypatch.setenv("TODOIST_API_TOKEN", "test-token")
result = client.create_client()
assert isinstance(result, TodoistAPI)
assert result._token == "test-token"
def test_create_client_calls_validate_token(self, monkeypatch: pytest.MonkeyPatch) -> None:
"""Test that create_client validates the token during creation."""
monkeypatch.delenv("TODOIST_API_TOKEN", raising=False)
with pytest.raises(RuntimeError, match="TODOIST_API_TOKEN"):
client.create_client()
