<?php

use Combodo\iTop\Test\UnitTest\ItopDataTestCase;

class DBObjectSetTest extends ItopDataTestCase
{
	protected function tearDown(): void
	{
		CMDBSource::TriggerExceptionWhenSqlQuery(null);
		parent::tearDown(); // TODO: Change the autogenerated stub
	}

	public function testCount()
	{
		$oSearch = DBObjectSearch::FromOQL_AllData("SELECT UserRequest");
		$oSet = new DBObjectSet($oSearch);

		$iCount = $oSet->Count();
		$oSet->Fetch();
		$this->assertEquals($iCount, $oSet->Count());
		$this->assertEquals($iCount, $oSet->CountWithLimit(0));
		$this->assertTrue($oSet->CountExceeds(0));
		
		//no DB SQL query: exception will be raised after here
		CMDBSource::TriggerExceptionWhenSqlQuery(__METHOD__.' :'.__LINE__);
		$this->assertEquals($iCount, $oSet->Count(), 'should use cache and not call DB again');
	}

	public function testRewind()
	{
		$oSearch = DBObjectSearch::FromOQL_AllData("SELECT UserRequest");
		$oSet = new DBObjectSet($oSearch);

		while ($oObj = $oSet->Fetch()) {
			$this->assertNotEquals(0, $oObj->GetKey());
		}

		//no DB SQL query: exception will be raised after here
		CMDBSource::TriggerExceptionWhenSqlQuery(__METHOD__.' :'.__LINE__);
		$oSet->Rewind();
		while ($oObj = $oSet->Fetch()) {
			$this->assertNotEquals(0, $oObj->GetKey());
		}
	}

	public function testDBObjectSetComparator()
	{
		$oSearch = DBObjectSearch::FromOQL_AllData("SELECT UserRequest");
		$DBObjectSet1 = new DBObjectSet($oSearch);
		$DBObjectSet3 = new DBObjectSet($oSearch);
		$oDBObjectSetComparator = new DBObjectSetComparator($DBObjectSet1, $DBObjectSet3);
		$this->assertTrue($oDBObjectSetComparator->SetsAreEquivalent());

		$sMsg = __METHOD__.' :'.__LINE__;
		//no DB SQL query: exception will be raised after here
		CMDBSource::TriggerExceptionWhenSqlQuery($sMsg);
		$oDBObjectSetComparator = new DBObjectSetComparator($DBObjectSet1, $DBObjectSet3);
		$this->assertTrue($oDBObjectSetComparator->SetsAreEquivalent());


		$oDBObjectSetComparator = new DBObjectSetComparator($DBObjectSet1, new DBObjectSet($oSearch));
		$this->expectExceptionMessage($sMsg, "should call DB again this time");
		$this->assertTrue($oDBObjectSetComparator->SetsAreEquivalent());
	}
}