mirror of
https://github.com/publiclab/image-sequencer.git
synced 2025-12-11 19:00:00 +01:00
72 lines
2.7 KiB
JavaScript
72 lines
2.7 KiB
JavaScript
'use strict';
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var test = require('tape');
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var looksSame = require('looks-same');
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var DataURItoBuffer = require('data-uri-to-buffer');
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var base64Img = require('base64-img');
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// We should only test headless code here.
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// http://stackoverflow.com/questions/21358015/error-jquery-requires-a-window-with-a-document#25622933
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require('../../../src/ImageSequencer.js');
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//require image files as DataURLs so they can be tested alike on browser and Node.
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var sequencer = ImageSequencer({ ui: false });
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var target = 'test_outputs';
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var red = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAABGdBTUEAALGPC/xhBQAAACBjSFJNAAB6JgAAgIQAAPoAAACA6AAAdTAAAOpgAAA6mAAAF3CculE8AAAABlBMVEX+AAD///+KQee0AAAAAWJLR0QB/wIt3gAAAAd0SU1FB+EGHRIVAvrm6EMAAAAMSURBVAjXY2AgDQAAADAAAceqhY4AAAAldEVYdGRhdGU6Y3JlYXRlADIwMTctMDYtMjlUMTg6MjE6MDIrMDI6MDDGD83DAAAAJXRFWHRkYXRlOm1vZGlmeQAyMDE3LTA2LTI5VDE4OjIxOjAyKzAyOjAwt1J1fwAAAABJRU5ErkJggg==';
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var invert = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAAHklEQVQ4T2Nk/P//PwMFgHHUAIbRMGAYDQOGYREGAPACL/GqhhwEAAAAAElFTkSuQmCC';
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//Tests for Invert module
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test('Load invert module', function(t) {
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sequencer.loadImages( red);
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t.equal(sequencer.steps.length, 1, 'Image loaded');
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sequencer.addSteps('invert');
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t.equal(sequencer.steps[1].options.name, 'invert', 'Invert step added');
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t.end();
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});
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test('Inverted image isn\'t identical', function(t) {
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sequencer.run(function(out) {
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var input = sequencer.steps[0].output.src;
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var output = sequencer.steps[1].output.src;
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input = DataURItoBuffer(input);
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output = DataURItoBuffer(output);
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t.notEqual(input, output, 'Not equal');
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t.end();
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});
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});
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// test("Twice inverted image is identical to original image", function(t) {
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// sequencer.addSteps('test','invert');
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// sequencer.run(function(out) {
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// var input = sequencer.steps[0].output.src
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// var output = sequencer.steps[2].output.src
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// base64Img.imgSync(input, target, 'input')
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// base64Img.imgSync(output, target, 'output')
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// input = './test_outputs/input.png'
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// output = './test_outputs/output.png'
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// looksSame(input, output, function(err, res) {
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// if (err) console.log(err)
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// t.equal(res.equal, true)
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// t.end();
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// });
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// })
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// });
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test('Invert module produces correct output', function(t) {
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sequencer.run(function(out) {
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var result = sequencer.steps[1].output.src;
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var benchmark = invert;
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base64Img.imgSync(result, target, 'result');
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base64Img.imgSync(benchmark, target, 'benchmark');
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result = './test_outputs/result.png';
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benchmark = './test_outputs/benchmark.png';
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looksSame(result, benchmark, function(err, res) {
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if (err) console.log(err);
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t.equal(res.equal, true);
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t.end();
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});
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});
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}); |