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<?php
use Wikimedia\TestingAccessWrapper;
/**
* @covers DifferenceEngine
*
* @todo tests for the rest of DifferenceEngine!
*
* @group Database
* @group Diff
*
* @author Katie Filbert < aude.wiki@gmail.com >
*/
class DifferenceEngineTest extends MediaWikiTestCase {
protected $context;
private static $revisions;
protected function setUp() {
parent::setUp();
$title = $this->getTitle();
$this->context = new RequestContext();
$this->context->setTitle( $title );
if ( !self::$revisions ) {
self::$revisions = $this->doEdits();
}
}
/**
* @return Title
*/
protected function getTitle() {
$namespace = $this->getDefaultWikitextNS();
return Title::newFromText( 'Kitten', $namespace );
}
/**
* @return int[] Revision ids
*/
protected function doEdits() {
$title = $this->getTitle();
$page = WikiPage::factory( $title );
$strings = [ "it is a kitten", "two kittens", "three kittens", "four kittens" ];
$revisions = [];
foreach ( $strings as $string ) {
$content = ContentHandler::makeContent( $string, $title );
$page->doEditContent( $content, 'edit page' );
$revisions[] = $page->getLatest();
}
return $revisions;
}
public function testMapDiffPrevNext() {
$cases = $this->getMapDiffPrevNextCases();
foreach ( $cases as $case ) {
list( $expected, $old, $new, $message ) = $case;
$diffEngine = new DifferenceEngine( $this->context, $old, $new, 2, true, false );
$diffMap = $diffEngine->mapDiffPrevNext( $old, $new );
$this->assertEquals( $expected, $diffMap, $message );
}
}
private function getMapDiffPrevNextCases() {
$revs = self::$revisions;
return [
[ [ $revs[1], $revs[2] ], $revs[2], 'prev', 'diff=prev' ],
[ [ $revs[2], $revs[3] ], $revs[2], 'next', 'diff=next' ],
[ [ $revs[1], $revs[3] ], $revs[1], $revs[3], 'diff=' . $revs[3] ]
];
}
public function testLoadRevisionData() {
$cases = $this->getLoadRevisionDataCases();
foreach ( $cases as $case ) {
list( $expectedOld, $expectedNew, $old, $new, $message ) = $case;
$diffEngine = new DifferenceEngine( $this->context, $old, $new, 2, true, false );
$diffEngine->loadRevisionData();
$this->assertEquals( $diffEngine->getOldid(), $expectedOld, $message );
$this->assertEquals( $diffEngine->getNewid(), $expectedNew, $message );
}
}
private function getLoadRevisionDataCases() {
$revs = self::$revisions;
return [
[ $revs[2], $revs[3], $revs[3], 'prev', 'diff=prev' ],
[ $revs[2], $revs[3], $revs[2], 'next', 'diff=next' ],
[ $revs[1], $revs[3], $revs[1], $revs[3], 'diff=' . $revs[3] ],
[ $revs[1], $revs[3], $revs[1], 0, 'diff=0' ]
];
}
public function testGetOldid() {
$revs = self::$revisions;
$diffEngine = new DifferenceEngine( $this->context, $revs[1], $revs[2], 2, true, false );
$this->assertEquals( $revs[1], $diffEngine->getOldid(), 'diff get old id' );
}
public function testGetNewid() {
$revs = self::$revisions;
$diffEngine = new DifferenceEngine( $this->context, $revs[1], $revs[2], 2, true, false );
$this->assertEquals( $revs[2], $diffEngine->getNewid(), 'diff get new id' );
}
public function provideLocaliseTitleTooltipsTestData() {
return [
'moved paragraph left shoud get new location title' => [
'<a class="mw-diff-movedpara-left">⚫</a>',
'<a class="mw-diff-movedpara-left" title="(diff-paragraph-moved-tonew)">⚫</a>',
],
'moved paragraph right shoud get old location title' => [
'<a class="mw-diff-movedpara-right">⚫</a>',
'<a class="mw-diff-movedpara-right" title="(diff-paragraph-moved-toold)">⚫</a>',
],
'nothing changed when key not hit' => [
'<a class="mw-diff-movedpara-rightis">⚫</a>',
'<a class="mw-diff-movedpara-rightis">⚫</a>',
],
];
}
/**
* @dataProvider provideLocaliseTitleTooltipsTestData
*/
public function testAddLocalisedTitleTooltips( $input, $expected ) {
$this->setContentLang( 'qqx' );
$diffEngine = TestingAccessWrapper::newFromObject( new DifferenceEngine() );
$this->assertEquals( $expected, $diffEngine->addLocalisedTitleTooltips( $input ) );
}
}
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