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animate-spec.js
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animate-spec.js
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const expect = require('chai').expect;
const Animator = require('../../../src/graphic/animate/animator');
const Timeline = require('../../../src/graphic/animate/timeline');
const Canvas = require('../../../src/graphic/canvas');
require('../../../src/graphic/shape/rect');
require('../../../src/graphic/shape/polyline');
const dom = document.createElement('canvas');
dom.id = 'animate';
document.body.appendChild(dom);
const canvas = new Canvas({
el: 'animate',
width: 500,
height: 500,
pixelRatio: 2
});
const rect = canvas.addShape('rect', {
attrs: {
x: 10,
y: 10,
width: 30,
height: 0,
fill: '#18901f'
}
});
describe('Do Animation', function() {
let animator;
const timeline = new Timeline();
timeline.play();
it('initial', function() {
const initialAttrs = {
height: 0
};
animator = new Animator(rect, initialAttrs, timeline);
expect(animator.hasStarted).to.be.false;
expect(animator.hasEnded).to.be.false;
expect(animator.animate).to.be.null;
});
it('do animation', function(done) {
let isStarted = false;
let isEnded = false;
let isUpdate = false;
animator
.to({
attrs: {
height: 100
},
duration: 800
})
.onStart(function() {
isStarted = true;
})
.onUpdate(function() {
isUpdate = true;
})
.onEnd(function() {
isEnded = true;
});
setTimeout(function() {
expect(isStarted).to.be.true;
expect(isEnded).to.be.true;
expect(isUpdate).to.be.true;
expect(rect.attr('height')).to.equal(100);
expect(parseInt(animator.animate.endTime - animator.animate.startTime)).to.equal(800);
// expect(animator.animGroups.length).to.equal(1);
timeline.stop();
done();
}, 1000);
});
it('do matrix animation', function(done) {
expect(timeline.playing).to.be.false;
timeline.play();
animator.to({
attrs: {
matrix: [ 1, 0, 0, 1, 20, 20 ]
},
duration: 800
});
setTimeout(function() {
expect(rect.getMatrix()).to.eql([ 1, 0, 0, 1, 20, 20 ]);
expect(parseInt(animator.animate.endTime - animator.animate.startTime)).to.equal(800);
// expect(animator.animGroups.length).to.equal(2);
done();
}, 1200);
});
it('do points animation', function(done) {
const polyline = canvas.addShape('polyline', {
attrs: {
points: [
{ x: 10, y: 10 },
{ x: 15, y: 15 },
{ x: 25, y: 5 },
{ x: 50, y: 25 }
],
lineWidth: 2,
stroke: '#f80'
}
});
const initialAttrs = {
points: [
{ x: 10, y: 10 },
{ x: 15, y: 15 },
{ x: 25, y: 5 },
{ x: 50, y: 25 }
]
};
const animator = new Animator(polyline, initialAttrs, timeline);
animator.to({
attrs: {
points: [
{ x: 20, y: 20 },
{ x: 25, y: 25 },
{ x: 35, y: 15 },
{ x: 60, y: 35 }
]
},
duration: 800
});
setTimeout(function() {
expect(polyline.attr('points')).to.eql([
{ x: 20, y: 20 },
{ x: 25, y: 25 },
{ x: 35, y: 15 },
{ x: 60, y: 35 }
]);
expect(parseInt(animator.animate.endTime - animator.animate.startTime)).to.be.within(799, 800);
// expect(animator.animGroups.length).to.equal(1);
timeline.stop();
document.body.removeChild(dom);
done();
}, 1200);
});
});