MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / media / MediaHandlerTest.php

diff --git a/tests/phpunit/includes/media/MediaHandlerTest.php b/tests/phpunit/includes/media/MediaHandlerTest.php
new file mode 100644 (file)
index 0000000..7a052f6
--- /dev/null
+++ b/tests/phpunit/includes/media/MediaHandlerTest.php
@@ -0,0 +1,68 @@
+<?php
+
+/**
+ * @group Media
+ */
+class MediaHandlerTest extends MediaWikiTestCase {
+
+       /**
+        * @covers MediaHandler::fitBoxWidth
+        *
+        * @dataProvider provideTestFitBoxWidth
+        */
+       public function testFitBoxWidth( $width, $height, $max, $expected ) {
+               $y = round( $expected * $height / $width );
+               $result = MediaHandler::fitBoxWidth( $width, $height, $max );
+               $y2 = round( $result * $height / $width );
+               $this->assertEquals( $expected,
+                       $result,
+                       "($width, $height, $max) wanted: {$expected}x$y, got: {z$result}x$y2" );
+       }
+
+       public static function provideTestFitBoxWidth() {
+               return array_merge(
+                       static::generateTestFitBoxWidthData( 50, 50, [
+                                       50 => 50,
+                                       17 => 17,
+                                       18 => 18 ]
+                       ),
+                       static::generateTestFitBoxWidthData( 366, 300, [
+                                       50 => 61,
+                                       17 => 21,
+                                       18 => 22 ]
+                       ),
+                       static::generateTestFitBoxWidthData( 300, 366, [
+                                       50 => 41,
+                                       17 => 14,
+                                       18 => 15 ]
+                       ),
+                       static::generateTestFitBoxWidthData( 100, 400, [
+                                       50 => 12,
+                                       17 => 4,
+                                       18 => 4 ]
+                       )
+               );
+       }
+
+       /**
+        * Generate single test cases by combining the dimensions and tests contents
+        *
+        * It creates:
+        * [$width, $height, $max, $expected],
+        * [$width, $height, $max2, $expected2], ...
+        * out of parameters:
+        * $width, $height, { $max => $expected, $max2 => $expected2, ... }
+        *
+        * @param int $width
+        * @param int $height
+        * @param array $tests associative array of $max => $expected values
+        * @return array
+        */
+       private static function generateTestFitBoxWidthData( $width, $height, $tests ) {
+               $result = [];
+               foreach ( $tests as $max => $expected ) {
+                       $result[] = [ $width, $height, $max, $expected ];
+               }
+               return $result;
+       }
+}