public function testGet()
{
$redis = M::mock(Redis::class);
$redis->shouldReceive('mget')->with(['a', 'b', 'c'])->andReturn([1, "null", '[]']);
$cache = new RedisCache($redis);
$result = $cache->get(['a', 'b', 'c']);
$this->assertEquals(['a' => 1, 'c' => []], $result);
}
