public function testPerformanceMetrics()
{
$dal = new DalResolver();
$this->assertFalse($dal->isCollectingPerformanceMetrics());
$dal->enablePerformanceMetrics();
$this->assertTrue($dal->isCollectingPerformanceMetrics());
$dal->disablePerformanceMetrics();
$this->assertFalse($dal->isCollectingPerformanceMetrics());
$dal->enablePerformanceMetrics();
$id = $dal->startPerformanceMetric('test', DalResolver::MODE_READ, 'SLEEP');
sleep(1);
$dal->closePerformanceMetric($id);
$perfData = $dal->getPerformanceMetrics();
$this->assertCount(1, $perfData);
$perfData = reset($perfData);
$this->assertEquals('test', $perfData['c']);
$this->assertEquals('SLEEP', $perfData['q']);
$this->assertEquals(DalResolver::MODE_READ, $perfData['m']);
$this->assertGreaterThan(1000, $perfData['t']);
$this->setExpectedException(DalException::class, "You cannot close performance metrics that are not open");
$dal->closePerformanceMetric($id);
}
