132 lines
4 KiB
PHP
132 lines
4 KiB
PHP
<?php
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use MediaWiki\MediaWikiServices;
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use Wikimedia\Assert\ParameterTypeException;
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/**
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* @covers TextSlotDiffRenderer
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*/
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class TextSlotDiffRendererTest extends MediaWikiIntegrationTestCase {
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public function testGetExtraCacheKeys() {
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$slotDiffRenderer = $this->getTextSlotDiffRenderer();
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$key = $slotDiffRenderer->getExtraCacheKeys();
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$slotDiffRenderer->setEngine( TextSlotDiffRenderer::ENGINE_WIKIDIFF2_INLINE );
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$inlineKey = $slotDiffRenderer->getExtraCacheKeys();
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$this->assertSame( $key, [] );
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$this->assertSame( $inlineKey, [ phpversion( 'wikidiff2' ), 'inline' ] );
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}
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/**
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* @dataProvider provideGetDiff
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* @param array|null $oldContentArgs To pass to makeContent() (if not null)
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* @param array|null $newContentArgs
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* @param string|Exception $expectedResult
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*/
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public function testGetDiff(
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?array $oldContentArgs, ?array $newContentArgs, $expectedResult
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) {
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$this->mergeMwGlobalArrayValue( 'wgContentHandlers', [
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'testing' => DummyContentHandlerForTesting::class,
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'testing-nontext' => DummyNonTextContentHandler::class,
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] );
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$oldContent = $oldContentArgs ? self::makeContent( ...$oldContentArgs ) : null;
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$newContent = $newContentArgs ? self::makeContent( ...$newContentArgs ) : null;
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if ( $expectedResult instanceof Exception ) {
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$this->expectException( get_class( $expectedResult ) );
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$this->expectExceptionMessage( $expectedResult->getMessage() );
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}
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$slotDiffRenderer = $this->getTextSlotDiffRenderer();
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$diff = $slotDiffRenderer->getDiff( $oldContent, $newContent );
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if ( $expectedResult instanceof Exception ) {
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return;
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}
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$plainDiff = $this->getPlainDiff( $diff );
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$this->assertSame( $expectedResult, $plainDiff );
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}
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public static function provideGetDiff() {
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return [
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'same text' => [
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[ "aaa\nbbb\nccc" ],
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[ "aaa\nbbb\nccc" ],
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"",
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],
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'different text' => [
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[ "aaa\nbbb\nccc" ],
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[ "aaa\nxxx\nccc" ],
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" aaa aaa\n-bbb+xxx\n ccc ccc",
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],
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'no right content' => [
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[ "aaa\nbbb\nccc" ],
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null,
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"-aaa+ \n-bbb \n-ccc ",
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],
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'no left content' => [
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null,
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[ "aaa\nbbb\nccc" ],
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"- +aaa\n +bbb\n +ccc",
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],
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'no content' => [
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null,
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null,
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new InvalidArgumentException( '$oldContent and $newContent cannot both be null' ),
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],
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'non-text left content' => [
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[ '', 'testing-nontext' ],
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[ "aaa\nbbb\nccc" ],
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new ParameterTypeException( '$oldContent', 'TextContent|null' ),
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],
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'non-text right content' => [
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[ "aaa\nbbb\nccc" ],
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[ '', 'testing-nontext' ],
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new ParameterTypeException( '$newContent', 'TextContent|null' ),
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],
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];
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}
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// no separate test for getTextDiff() as getDiff() is just a thin wrapper around it
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/**
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* @return TextSlotDiffRenderer
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*/
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private function getTextSlotDiffRenderer() {
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$slotDiffRenderer = new TextSlotDiffRenderer();
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$slotDiffRenderer->setStatsdDataFactory( new NullStatsdDataFactory() );
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$slotDiffRenderer->setLanguage(
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MediaWikiServices::getInstance()->getLanguageFactory()->getLanguage( 'en' ) );
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$slotDiffRenderer->setEngine( TextSlotDiffRenderer::ENGINE_PHP );
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return $slotDiffRenderer;
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}
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/**
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* Convert a HTML diff to a human-readable format and hopefully make the test less fragile.
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* @param string $diff
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* @return string
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*/
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private function getPlainDiff( $diff ) {
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$replacements = [
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html_entity_decode( ' ' ) => ' ',
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html_entity_decode( '−' ) => '-',
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];
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// Preserve markers when stripping tags
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$diff = str_replace( '<td class="diff-marker"></td>', ' ', $diff );
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$diff = preg_replace( '@<td colspan="2"( class="diff-[a-z]+")?></td>@', ' ', $diff );
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$diff = preg_replace( '/data-marker="([^"]*)">/', '>$1', $diff );
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return str_replace( array_keys( $replacements ), array_values( $replacements ),
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trim( strip_tags( $diff ), "\n" ) );
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}
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/**
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* @param string $str
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* @param string $model
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* @return null|TextContent
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*/
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private static function makeContent( $str, $model = CONTENT_MODEL_TEXT ) {
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return ContentHandler::makeContent( $str, null, $model );
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}
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}
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