testing

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);
			}


			}