/** * Test getting the ttl for a key */ public function testTtl() { $this->redis->del('testTtl'); $ttl = $this->redis->ttl('testTtl'); $this->assertInternalType('int', $ttl); $this->assertLessThan(0, $ttl); $this->redis->set('testTtl', 'someValue'); $this->assertLessThan(0, $this->redis->ttl('testTtl')); $this->redis->expire('testTtl', 1); $this->assertGreaterThan(0, $this->redis->ttl('testTtl')); }