image-sequencer/test/modules/run.js

'use strict';

var fs = require('fs');
var test = require('tape');
var DataURItoBuffer = require('data-uri-to-buffer');

require('../../src/ImageSequencer.js');

var sequencer = ImageSequencer({ ui: false });
var red = "data:image/jpeg;base64,/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAYEBQYFBAYGBQYHBwYIChAKCgkJChQODwwQFxQYGBcUFhYaHSUfGhsjHBYWICwgIyYnKSopGR8tMC0oMCUoKSj/2wBDAQcHBwoIChMKChMoGhYaKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCgoKCj/wAARCAAQABADASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAf/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFQEBAQAAAAAAAAAAAAAAAAAABgj/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwCdABykX//Z";

sequencer.loadImages('image1', red);
sequencer.addSteps('invert');
sequencer.addSteps('invert');
sequencer.addSteps('invert');

test('run() works with all possible argument combinations',function(t){
    sequencer.run(function (out) {
        var output1 = DataURItoBuffer(sequencer.images.image1.steps.slice(-1)[0].output.src);
        sequencer.images.image1.steps.splice(1,1);
        sequencer.run({index: 1},function(out){
            var output2 = DataURItoBuffer(sequencer.images.image1.steps.slice(-1)[0].output.src);
            t.deepEqual(output1,output2,"output remains same after removing a step and running sequencer from a greater index");
            sequencer.run(function(out){
            t.end();
            })
        });
    });
});