public function testCache()
{
$this->doSetup(2);
$result = $this->getMockBuilder('Silktide\\SemRushApi\\Model\\Result')->disableOriginalConstructor()->getMock();
$cache = $this->getMock('Silktide\\SemRushApi\\Cache\\CacheInterface');
$cache->expects($this->exactly(2))->method('cache');
$cache->expects($this->exactly(2))->method('fetch')->willReturnOnConsecutiveCalls(null, $result);
$this->resultFactory->expects($this->exactly(1))->method('create')->willReturn($result);
$this->instance->setCache($cache);
$resultOne = $this->instance->getDomainAdwordsUnique('domain.com', []);
$resultTwo = $this->instance->getDomainAdwordsUnique('domain.com', []);
$this->assertEquals($resultOne, $resultTwo);
}
