tests/qunit/suites/resources/jquery/jquery.colorUtil.test.js

   1 ( function () {
   2         QUnit.module( 'jquery.colorUtil', QUnit.newMwEnvironment() );
   3
   4         QUnit.test( 'getRGB', function ( assert ) {
   5                 assert.strictEqual( $.colorUtil.getRGB(), undefined, 'No arguments' );
   6                 assert.strictEqual( $.colorUtil.getRGB( '' ), undefined, 'Empty string' );
   7                 assert.deepEqual( $.colorUtil.getRGB( [ 0, 100, 255 ] ), [ 0, 100, 255 ], 'Parse array of rgb values' );
   8                 assert.deepEqual( $.colorUtil.getRGB( 'rgb(0,100,255)' ), [ 0, 100, 255 ], 'Parse simple rgb string' );
   9                 assert.deepEqual( $.colorUtil.getRGB( 'rgb(0, 100, 255)' ), [ 0, 100, 255 ], 'Parse simple rgb string with spaces' );
  10                 assert.deepEqual( $.colorUtil.getRGB( 'rgb(0%,20%,40%)' ), [ 0, 51, 102 ], 'Parse rgb string with percentages' );
  11                 assert.deepEqual( $.colorUtil.getRGB( 'rgb(0%, 20%, 40%)' ), [ 0, 51, 102 ], 'Parse rgb string with percentages and spaces' );
  12                 assert.deepEqual( $.colorUtil.getRGB( '#f2ddee' ), [ 242, 221, 238 ], 'Hex string: 6 char lowercase' );
  13                 assert.deepEqual( $.colorUtil.getRGB( '#f2DDEE' ), [ 242, 221, 238 ], 'Hex string: 6 char uppercase' );
  14                 assert.deepEqual( $.colorUtil.getRGB( '#f2DdEe' ), [ 242, 221, 238 ], 'Hex string: 6 char mixed' );
  15                 assert.deepEqual( $.colorUtil.getRGB( '#eee' ), [ 238, 238, 238 ], 'Hex string: 3 char lowercase' );
  16                 assert.deepEqual( $.colorUtil.getRGB( '#EEE' ), [ 238, 238, 238 ], 'Hex string: 3 char uppercase' );
  17                 assert.deepEqual( $.colorUtil.getRGB( '#eEe' ), [ 238, 238, 238 ], 'Hex string: 3 char mixed' );
  18                 assert.deepEqual( $.colorUtil.getRGB( 'rgba(0, 0, 0, 0)' ), [ 255, 255, 255 ], 'Zero rgba for Safari 3; Transparent (whitespace)' );
  19
  20                 // Perhaps this is a bug in colorUtil, but it is the current behavior so, let's keep
  21                 // track of it, so we will know in case it would ever change.
  22                 assert.strictEqual( $.colorUtil.getRGB( 'rgba(0,0,0,0)' ), undefined, 'Zero rgba without whitespace' );
  23
  24                 assert.deepEqual( $.colorUtil.getRGB( 'lightGreen' ), [ 144, 238, 144 ], 'Color names (lightGreen)' );
  25                 assert.deepEqual( $.colorUtil.getRGB( 'transparent' ), [ 255, 255, 255 ], 'Color names (transparent)' );
  26                 assert.strictEqual( $.colorUtil.getRGB( 'mediaWiki' ), undefined, 'Inexisting color name' );
  27         } );
  28
  29         QUnit.test( 'rgbToHsl', function ( assert ) {
  30                 var hsl, ret;
  31
  32                 // Cross-browser differences in decimals...
  33                 // Round to two decimals so they can be more reliably checked.
  34                 function dualDecimals( a ) {
  35                         return Math.round( a * 100 ) / 100;
  36                 }
  37
  38                 // Re-create the rgbToHsl return array items, limited to two decimals.
  39                 hsl = $.colorUtil.rgbToHsl( 144, 238, 144 );
  40                 ret = [ dualDecimals( hsl[ 0 ] ), dualDecimals( hsl[ 1 ] ), dualDecimals( hsl[ 2 ] ) ];
  41
  42                 assert.deepEqual( ret, [ 0.33, 0.73, 0.75 ], 'rgb(144, 238, 144): hsl(0.33, 0.73, 0.75)' );
  43         } );
  44
  45         QUnit.test( 'hslToRgb', function ( assert ) {
  46                 var rgb, ret;
  47                 rgb = $.colorUtil.hslToRgb( 0.3, 0.7, 0.8 );
  48
  49                 // Re-create the hslToRgb return array items, rounded to whole numbers.
  50                 ret = [ Math.round( rgb[ 0 ] ), Math.round( rgb[ 1 ] ), Math.round( rgb[ 2 ] ) ];
  51
  52                 assert.deepEqual( ret, [ 183, 240, 168 ], 'hsl(0.3, 0.7, 0.8): rgb(183, 240, 168)' );
  53         } );
  54
  55         QUnit.test( 'getColorBrightness', function ( assert ) {
  56                 var a, b;
  57                 a = $.colorUtil.getColorBrightness( 'red', +0.1 );
  58                 assert.strictEqual( a, 'rgb(255,50,50)', 'Start with named color "red", brighten 10%' );
  59
  60                 b = $.colorUtil.getColorBrightness( 'rgb(200,50,50)', -0.2 );
  61                 assert.strictEqual( b, 'rgb(118,29,29)', 'Start with rgb string "rgb(200,50,50)", darken 20%' );
  62         } );
  63 }() );