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describe('Chart.animator', function() {
it('should fire onProgress for each draw', function(done) {
let count = 0;
let drawCount = 0;
const progress = (animation) => {
count++;
expect(animation.numSteps).toEqual(250);
expect(animation.currentStep <= 250).toBeTrue();
};
acquireChart({
type: 'bar',
data: {
datasets: [
{data: [10, 5, 0, 25, 78, -10]}
],
labels: ['tick1', 'tick2', 'tick3', 'tick4', 'tick5', 'tick6']
},
options: {
animation: {
duration: 250,
onProgress: progress,
onComplete: function() {
expect(count).toEqual(drawCount);
done();
}
}
},
plugins: [{
afterDraw() {
drawCount++;
}
}]
}, {
canvas: {
height: 150,
width: 250
},
});
});
it('should not fail when adding no items', function() {
const chart = {};
Chart.animator.add(chart, undefined);
Chart.animator.add(chart, []);
Chart.animator.start(chart);
expect(Chart.animator.running(chart)).toBeFalse();
});
});