wiki.techinc.nl/tests/phpunit/includes/logging/PageLangLogFormatterTest.php

<?php

/**
 * @covers PageLangLogFormatter
 */
class PageLangLogFormatterTest extends LogFormatterTestCase {

	protected function setUp(): void {
		parent::setUp();

		// Disable cldr extension
		$this->setMwGlobals( 'wgHooks', [] );
		// Register LogHandler, see $wgPageLanguageUseDB in Setup.php
		$this->mergeMwGlobalArrayValue( 'wgLogActionsHandlers', [
			'pagelang/pagelang' => PageLangLogFormatter::class,
		] );
	}

	/**
	 * Provide different rows from the logging table to test
	 * for backward compatibility.
	 * Do not change the existing data, just add a new database row
	 */
	public static function providePageLangLogDatabaseRows() {
		return [
			// Current format
			[
				[
					'type' => 'pagelang',
					'action' => 'pagelang',
					'comment' => 'page lang comment',
					'namespace' => NS_MAIN,
					'title' => 'Page',
					'params' => [
						'4::oldlanguage' => 'en',
						'5::newlanguage' => 'de[def]',
					],
				],
				[
					'text' => 'User changed the language of Page from English (en) to Deutsch (de) [default]',
					'api' => [
						'oldlanguage' => 'en',
						'newlanguage' => 'de[def]'
					],
				],
			],
		];
	}

	/**
	 * @dataProvider providePageLangLogDatabaseRows
	 */
	public function testPageLangLogDatabaseRows( $row, $extra ) {
		$this->doTestLogFormatter( $row, $extra );
	}
}