X-Git-Url: https://scripts.mit.edu/gitweb/autoinstallsdev/mediawiki.git/blobdiff_plain/19e297c21b10b1b8a3acad5e73fc71dcb35db44a..6932310fd58ebef145fa01eb76edf7150284d8ea:/tests/phpunit/includes/GlobalFunctions/wfThumbIsStandardTest.php

diff --git a/tests/phpunit/includes/GlobalFunctions/wfThumbIsStandardTest.php b/tests/phpunit/includes/GlobalFunctions/wfThumbIsStandardTest.php
new file mode 100644
index 00000000..bdba6a35
--- /dev/null
+++ b/tests/phpunit/includes/GlobalFunctions/wfThumbIsStandardTest.php
@@ -0,0 +1,105 @@
+<?php
+
+use MediaWiki\MediaWikiServices;
+
+/**
+ * @group GlobalFunctions
+ * @covers ::wfThumbIsStandard
+ */
+class WfThumbIsStandardTest extends MediaWikiTestCase {
+
+	protected function setUp() {
+		parent::setUp();
+
+		$this->setMwGlobals( [
+			'wgThumbLimits' => [
+				100,
+				401
+			],
+			'wgImageLimits' => [
+				[ 300, 225 ],
+				[ 800, 600 ],
+			],
+		] );
+	}
+
+	public static function provideThumbParams() {
+		return [
+			// Thumb limits
+			[
+				'Standard thumb width',
+				true,
+				[ 'width' => 100 ],
+			],
+			[
+				'Standard thumb width',
+				true,
+				[ 'width' => 401 ],
+			],
+			// wfThumbIsStandard should match Linker::processResponsiveImages
+			// in its rounding behaviour.
+			[
+				'Standard thumb width (HiDPI 1.5x) - incorrect rounding',
+				false,
+				[ 'width' => 601 ],
+			],
+			[
+				'Standard thumb width (HiDPI 1.5x)',
+				true,
+				[ 'width' => 602 ],
+			],
+			[
+				'Standard thumb width (HiDPI 2x)',
+				true,
+				[ 'width' => 802 ],
+			],
+			[
+				'Non-standard thumb width',
+				false,
+				[ 'width' => 300 ],
+			],
+			// Image limits
+			// Note: Image limits are measured as pairs. Individual values
+			// may be non-standard based on the aspect ratio.
+			[
+				'Standard image width/height pair',
+				true,
+				[ 'width' => 250, 'height' => 225 ],
+			],
+			[
+				'Standard image width/height pair',
+				true,
+				[ 'width' => 667, 'height' => 600 ],
+			],
+			[
+				'Standard image width where image does not fit aspect ratio',
+				false,
+				[ 'width' => 300 ],
+			],
+			[
+				'Implicit width from image width/height pair aspect ratio fit',
+				true,
+				// 2000x1800 fit inside 300x225 makes w=250
+				[ 'width' => 250 ],
+			],
+			[
+				'Height-only is always non-standard',
+				false,
+				[ 'height' => 225 ],
+			],
+		];
+	}
+
+	/**
+	 * @dataProvider provideThumbParams
+	 */
+	public function testIsStandard( $message, $expected, $params ) {
+		$handlers = MediaWikiServices::getInstance()->getMainConfig()->get( 'ParserTestMediaHandlers' );
+		$this->setService( 'MediaHandlerFactory', new MediaHandlerFactory( $handlers ) );
+		$this->assertSame(
+			$expected,
+			wfThumbIsStandard( new FakeDimensionFile( [ 2000, 1800 ], 'image/jpeg' ), $params ),
+			$message
+		);
+	}
+}