wiki.techinc.nl/tests/phpunit/includes/page/ImagePage404Test.php

<?php

use MediaWiki\MainConfigNames;
use MediaWiki\Title\Title;

/**
 * For doing Image Page tests that rely on 404 thumb handling
 */
class ImagePage404Test extends MediaWikiMediaTestCase {

	protected function getRepoOptions() {
		return parent::getRepoOptions() + [ 'transformVia404' => true ];
	}

	protected function setUp(): void {
		$this->overrideConfigValue(
			MainConfigNames::ImageLimits,
			[
				[ 320, 240 ],
				[ 640, 480 ],
				[ 800, 600 ],
				[ 1024, 768 ],
				[ 1280, 1024 ]
			]
		);
		parent::setUp();
	}

	private function getImagePage( $filename ) {
		$title = Title::makeTitleSafe( NS_FILE, $filename );
		$file = $this->dataFile( $filename );
		$iPage = new ImagePage( $title );
		$iPage->setFile( $file );
		return $iPage;
	}

	/**
	 * @covers ImagePage::getThumbSizes
	 * @dataProvider providerGetThumbSizes
	 * @param string $filename
	 * @param int $expectedNumberThumbs How many thumbnails to show
	 */
	public function testGetThumbSizes( $filename, $expectedNumberThumbs ) {
		$iPage = $this->getImagePage( $filename );
		$reflection = new ReflectionClass( $iPage );
		$reflMethod = $reflection->getMethod( 'getThumbSizes' );
		$reflMethod->setAccessible( true );

		$actual = $reflMethod->invoke( $iPage, 545, 700 );
		$this->assertCount( $expectedNumberThumbs, $actual );
	}

	public static function providerGetThumbSizes() {
		return [
			[ 'animated.gif', 6 ],
			[ 'Toll_Texas_1.svg', 6 ],
			[ '80x60-Greyscale.xcf', 6 ],
			[ 'jpeg-comment-binary.jpg', 6 ],
		];
	}
}