78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
import Vue from 'vue';
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import { mount } from '@vue/test-utils';
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import mountComponent from 'helpers/vue_mount_component_helper';
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import Icon from '~/vue_shared/components/icon.vue';
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import iconsPath from '@gitlab/svgs/dist/icons.svg';
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jest.mock('@gitlab/svgs/dist/icons.svg', () => 'testing');
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describe('Sprite Icon Component', () => {
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describe('Initialization', () => {
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let icon;
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beforeEach(() => {
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const IconComponent = Vue.extend(Icon);
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icon = mountComponent(IconComponent, {
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name: 'commit',
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size: 32,
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});
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});
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afterEach(() => {
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icon.$destroy();
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});
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it('should return a defined Vue component', () => {
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expect(icon).toBeDefined();
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});
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it('should have <svg> as a child element', () => {
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expect(icon.$el.tagName).toBe('svg');
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});
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it('should have <use> as a child element with the correct href', () => {
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expect(icon.$el.firstChild.tagName).toBe('use');
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expect(icon.$el.firstChild.getAttribute('xlink:href')).toBe(`${iconsPath}#commit`);
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});
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it('should properly compute iconSizeClass', () => {
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expect(icon.iconSizeClass).toBe('s32');
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});
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it('forbids invalid size prop', () => {
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expect(icon.$options.props.size.validator(NaN)).toBeFalsy();
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expect(icon.$options.props.size.validator(0)).toBeFalsy();
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expect(icon.$options.props.size.validator(9001)).toBeFalsy();
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});
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it('should properly render img css', () => {
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const { classList } = icon.$el;
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const containsSizeClass = classList.contains('s32');
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expect(containsSizeClass).toBe(true);
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});
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it('`name` validator should return false for non existing icons', () => {
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jest.spyOn(console, 'warn').mockImplementation();
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expect(Icon.props.name.validator('non_existing_icon_sprite')).toBe(false);
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});
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it('`name` validator should return true for existing icons', () => {
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expect(Icon.props.name.validator('commit')).toBe(true);
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});
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});
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it('should call registered listeners when they are triggered', () => {
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const clickHandler = jest.fn();
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const wrapper = mount(Icon, {
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propsData: { name: 'commit' },
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listeners: { click: clickHandler },
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});
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wrapper.find('svg').trigger('click');
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expect(clickHandler).toHaveBeenCalled();
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});
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});
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