"""Test Redis Cache Adapter."""


def test_redis_connection(mock_cache_adapter):
    """Test establishing a redis connection."""
    assert mock_cache_adapter.ping()


def test_cache_string(mock_cache_adapter):
    """Test caching an item."""
    key = '1'
    value = 'a'
    mock_cache_adapter.cache_item(key, value)
    returned_value = mock_cache_adapter.get_item(key)
    assert returned_value.decode() == value


def test_get_item(mock_cache_adapter):
    """Test getting a cached item."""
    key = '1'
    value = 'a'
    mock_cache_adapter.flushall()
    mock_cache_adapter.cache_item(key, value)
    returned_value = mock_cache_adapter.get_item(key)
    assert returned_value.decode() == value


def test_get_item_not_found(mock_cache_adapter):
    """Test getting a cached item."""
    key = '1'
    value = 'a'
    mock_cache_adapter.flushall()
    mock_cache_adapter.cache_item(key, value)
    returned_value = mock_cache_adapter.get_item('not_key')
    assert returned_value is None


def test_ping(mock_cache_adapter):
    """Test ping."""
    assert mock_cache_adapter.ping()


def test_flushall(mock_cache_adapter):
    """Test flushall."""
    mock_cache_adapter.cache_item('key1', 'val1')
    mock_cache_adapter.cache_item('key2', 'val2')
    mock_cache_adapter.flushall()
    returned_value = mock_cache_adapter.get_item('key1')
    assert returned_value is None
    returned_value = mock_cache_adapter.get_item('key2')
    assert returned_value is None