"""Test lambda app."""
import jwt
import pytest
from src import app as index


@pytest.fixture
def py_jwk_client(mocker):
    """Mock PyJWKClient."""
    return mocker.patch('src.app.jwt.PyJWKClient')


@pytest.fixture
def py_jwt_decode_success(mocker):
    """Mock jwt.decode."""
    return mocker.patch('src.app.jwt.decode')


@pytest.fixture
def py_jwt_decode_failure(mocker):
    """Mock jwt.decode."""
    return mocker.patch('jwt.decode', side_effect=jwt.exceptions.PyJWTError('JWT decoding error'))


def test_handler_allow(event, py_jwk_client, py_jwt_decode_success, allow_response):
    """Test handler for allowed request."""
    result = index.handler(event, None)
    assert result == allow_response


def test_handler_deny(event, py_jwk_client, py_jwt_decode_failure, deny_response):
    """Test handler for denied request."""
    result = index.handler(event, None)
    assert result == deny_response


def test_handler_failure(event_missing_token):
    """Test handler for denied request."""
    result = index.handler(event_missing_token, None)
    assert result == 'unauthorized'