"""Test Redis connector."""

from unittest.mock import patch

from tests.fixtures import fixture_config


# To hold the patched cache module
redis = None


def setup_module(module):
    """Patch the config module with a fixture."""
    # Mock the config module required by the cache module
    module.patched_config = patch.dict(
        'sys.modules', {'config': fixture_config})
    module.patched_config.start()

    # Set a patched cache module with the config above
    # because the cache module imports config
    from shared.connectors import redis as patched_redis
    global redis
    redis = patched_redis


def teardown_module(module):
    """Stop patching."""
    module.patched_config.stop()


def test_create_redis_client():
    """Test that the redis client used for tests is FakeRedis."""
    assert redis.config == fixture_config
    assert type(redis.redis_client).__name__ == 'FakeStrictRedis'