102 lines
2.9 KiB
JavaScript
102 lines
2.9 KiB
JavaScript
import { GlButton } from '@gitlab/ui';
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import { nextTick } from 'vue';
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import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
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import DesignScaler from '~/design_management/components/design_scaler.vue';
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describe('Design management design scaler component', () => {
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let wrapper;
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const getButtons = () => wrapper.findAllComponents(GlButton);
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const getDecreaseScaleButton = () => getButtons().at(0);
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const getIncreaseScaleButton = () => getButtons().at(1);
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const getScaleValue = () => wrapper.findByTestId('scale-value');
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const setScale = (scale) => wrapper.vm.setScale(scale);
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const createComponent = () => {
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wrapper = shallowMountExtended(DesignScaler, {
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propsData: {
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maxScale: 1.5,
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},
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});
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};
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beforeEach(() => {
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createComponent();
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});
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it('renders the scale value', () => {
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expect(getScaleValue().exists()).toBe(true);
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expect(getScaleValue().text()).toBe('100%');
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});
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describe('when `scale` value is greater than 1', () => {
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beforeEach(async () => {
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// Mimic exact behaviour of zoom scaling
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// incrementing first and then decrementing
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await getIncreaseScaleButton().vm.$emit('click');
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});
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it('emits @scale event when "decrement" button clicked', async () => {
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expect(wrapper.emitted('scale')).toEqual([[1.1]]);
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expect(getScaleValue().text()).toBe('111%');
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await getDecreaseScaleButton().vm.$emit('click');
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expect(wrapper.emitted('scale')[1]).toEqual([1]);
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expect(getScaleValue().text()).toBe('100%');
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});
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it('enables the "decrement" button', () => {
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const decrementButton = getDecreaseScaleButton();
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expect(decrementButton.exists()).toBe(true);
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expect(decrementButton.props('disabled')).toBe(false);
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});
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});
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it('emits @scale event when "plus" button clicked', async () => {
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expect(getScaleValue().text()).toBe('100%');
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await getIncreaseScaleButton().vm.$emit('click');
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expect(wrapper.emitted('scale')).toEqual([[1.1]]);
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expect(getScaleValue().text()).toBe('111%');
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});
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it('computes & increments correct stepSize based on maxScale', async () => {
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wrapper.setProps({ maxScale: 11 });
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await nextTick();
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getIncreaseScaleButton().vm.$emit('click');
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await nextTick();
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expect(wrapper.emitted().scale[0][0]).toBe(3);
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});
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describe('when `scale` value is 1', () => {
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it('disables the "decrement" button', () => {
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const decrementButton = getDecreaseScaleButton();
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expect(decrementButton.exists()).toBe(true);
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expect(decrementButton.props('disabled')).toBe(true);
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});
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});
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describe('when `scale` value is maximum', () => {
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beforeEach(async () => {
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setScale(2);
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await nextTick();
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});
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it('disables the "increment" button', () => {
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const incrementButton = getIncreaseScaleButton();
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expect(incrementButton.exists()).toBe(true);
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expect(incrementButton.props('disabled')).toBe(true);
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});
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});
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});
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