PhabricatorEdgeTestCase.php
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	<?php

	final class PhabricatorEdgeTestCase extends PhabricatorTestCase {

	protected function getPhabricatorTestCaseConfiguration() {
	return array(
	self::PHABRICATOR_TESTCONFIG_BUILD_STORAGE_FIXTURES => true,
	);
	}

	public function testCycleDetection() {

	// The editor should detect that this introduces a cycle and prevent the
	// edit.

	$user = new PhabricatorUser();

	$obj1 = id(new HarbormasterObject())->save();
	$obj2 = id(new HarbormasterObject())->save();
	$phid1 = $obj1->getPHID();
	$phid2 = $obj2->getPHID();

	$editor = id(new PhabricatorEdgeEditor())
	->addEdge($phid1, PhabricatorTestNoCycleEdgeType::EDGECONST , $phid2)
	->addEdge($phid2, PhabricatorTestNoCycleEdgeType::EDGECONST , $phid1);

	$caught = null;
	try {
	$editor->save();
	} catch (Exception $ex) {
	$caught = $ex;
	}

	$this->assertTrue($caught instanceof Exception);


	// The first edit should go through (no cycle), bu the second one should
	// fail (it introduces a cycle).

	$editor = id(new PhabricatorEdgeEditor())
	->addEdge($phid1, PhabricatorTestNoCycleEdgeType::EDGECONST , $phid2)
	->save();

	$editor = id(new PhabricatorEdgeEditor())
	->addEdge($phid2, PhabricatorTestNoCycleEdgeType::EDGECONST , $phid1);

	$caught = null;
	try {
	$editor->save();
	} catch (Exception $ex) {
	$caught = $ex;
	}

	$this->assertTrue($caught instanceof Exception);
	}


	}