notes/node_modules/color-diff/test/palette.js

96 lines
4.2 KiB
JavaScript

/**
* @author Markus Ekholm
* @copyright 2012-2015 (c) Markus Ekholm <markus at botten dot org >
* @license Copyright (c) 2012, Markus Ekholm
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL MARKUS EKHOLM BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* IMPORTS
*/
var assert = require('assert');
var color_palette = require('../lib/palette');
/**
* CONSTANTS
*/
var white = {'R':255 , 'G':255 ,'B':255};
var black = {'R':0 , 'G':0 ,'B':0};
var navy = {'R':0 , 'G':0 ,'B':128};
var blue = {'R':0 , 'G':0 ,'B':255};
var yellow = {'R':255 , 'G':255 ,'B':0};
var gold = {'R':255 , 'G':215 ,'B':0};
var colors1 = [white, black, navy, blue, yellow, gold]
var colors2 = [white, black, blue, gold]
var colors3 = [white, black, yellow, blue]
/**
* TESTS
*/
describe('palette', function(){
describe('#map_palette()', function (){
it('should map all colors to themselves when possible',
function(){
var expected1 = {};
expected1[color_palette.palette_map_key(white)] = white;
expected1[color_palette.palette_map_key(black)] = black;
expected1[color_palette.palette_map_key(navy)] = navy;
expected1[color_palette.palette_map_key(blue)] = blue;
expected1[color_palette.palette_map_key(yellow)] = yellow;
expected1[color_palette.palette_map_key(gold)] = gold;
assert.deepEqual(expected1, color_palette.map_palette(colors1, colors1));
});
it('should map navy->blue and yellow->gold when navy and yellow are missing',
function(){
var expected2 = {};
expected2[color_palette.palette_map_key(white)] = white;
expected2[color_palette.palette_map_key(black)] = black;
expected2[color_palette.palette_map_key(navy)] = blue;
expected2[color_palette.palette_map_key(blue)] = blue;
expected2[color_palette.palette_map_key(yellow)] = gold;
expected2[color_palette.palette_map_key(gold)] = gold;
assert.deepEqual(expected2, color_palette.map_palette(colors1, colors2));
});
it('should map white->black & black,navy,blue->yellow & yellow,gold->blue',
function(){
var expected3 = {};
expected3[color_palette.palette_map_key(white)] = black;
expected3[color_palette.palette_map_key(black)] = yellow;
expected3[color_palette.palette_map_key(navy)] = yellow;
expected3[color_palette.palette_map_key(blue)] = yellow;
expected3[color_palette.palette_map_key(yellow)] = blue;
expected3[color_palette.palette_map_key(gold)] = blue;
assert.deepEqual(expected3, color_palette.map_palette(colors1, colors3, 'furthest'));
});
})
});
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