--- /dev/null
+<?php
+
+/**
+ * @covers CategoryMembershipChangeJob
+ *
+ * @group JobQueue
+ * @group Database
+ *
+ * @licence GNU GPL v2+
+ * @author Addshore
+ */
+class CategoryMembershipChangeJobTest extends MediaWikiTestCase {
+
+ const TITLE_STRING = 'UTCatChangeJobPage';
+
+ /**
+ * @var Title
+ */
+ private $title;
+
+ public function setUp() {
+ parent::setUp();
+ $this->setMwGlobals( 'wgRCWatchCategoryMembership', true );
+ }
+
+ public function addDBData() {
+ parent::addDBData();
+ $insertResult = $this->insertPage( self::TITLE_STRING, 'UT Content' );
+ $this->title = $insertResult['title'];
+ }
+
+ private function runJobs() {
+ JobQueueGroup::destroySingletons();
+ $jobs = new RunJobs;
+ $jobs->loadParamsAndArgs( null, [ 'quiet' => true ], null );
+ $jobs->execute();
+ }
+
+ /**
+ * @param string $text new page text
+ *
+ * @return int|null
+ */
+ private function editPageText( $text ) {
+ $page = WikiPage::factory( $this->title );
+ $editResult = $page->doEditContent(
+ ContentHandler::makeContent( $text, $this->title ),
+ __METHOD__
+ );
+ /** @var Revision $revision */
+ $revision = $editResult->value['revision'];
+ $this->runJobs();
+
+ return $revision->getId();
+ }
+
+ /**
+ * @param int $revId
+ *
+ * @return RecentChange|null
+ */
+ private function getCategorizeRecentChangeForRevId( $revId ) {
+ return RecentChange::newFromConds(
+ [
+ 'rc_type' => RC_CATEGORIZE,
+ 'rc_this_oldid' => $revId,
+ ],
+ __METHOD__
+ );
+ }
+
+ public function testRun_normalCategoryAddedAndRemoved() {
+ $addedRevId = $this->editPageText( '[[Category:Normal]]' );
+ $removedRevId = $this->editPageText( 'Blank' );
+
+ $this->assertEquals(
+ '[[:' . self::TITLE_STRING . ']] added to category',
+ $this->getCategorizeRecentChangeForRevId( $addedRevId )->getAttribute( 'rc_comment' )
+ );
+ $this->assertEquals(
+ '[[:' . self::TITLE_STRING . ']] removed from category',
+ $this->getCategorizeRecentChangeForRevId( $removedRevId )->getAttribute( 'rc_comment' )
+ );
+ }
+
+}