public function tearDown()
{
Cache::clear();
if (Db::getInstance()->isConnected()) {
Db::getInstance()->enableTransactions();
Db::getInstance()->rollbackTransaction();
}
}
/**
* @test
*/
public function shouldCacheNullValues()
{
//given
$function = function () {
++CacheTest::$call_count;
return null;
};
//when
$result1 = Cache::get("id", $function);
$result2 = Cache::get("id", $function);
//then
$this->assertEquals(1, CacheTest::$call_count);
$this->assertNull($result1);
$this->assertNull($result2);
}