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import Vue from 'vue';
import panelResizer from '~/vue_shared/components/panel_resizer.vue';
import mountComponent from 'spec/helpers/vue_mount_component_helper';
describe('Panel Resizer component', () => {
let vm;
let PanelResizer;
const triggerEvent = (eventName, el = vm.$el, clientX = 0) => {
const event = document.createEvent('MouseEvents');
event.initMouseEvent(eventName, true, true, window, 1, clientX, 0, clientX, 0, false, false,
false, false, 0, null);
el.dispatchEvent(event);
};
beforeEach(() => {
PanelResizer = Vue.extend(panelResizer);
});
afterEach(() => {
vm.$destroy();
});
it('should render a div element with the correct classes and styles', () => {
vm = mountComponent(PanelResizer, {
startSize: 100,
side: 'left',
});
expect(vm.$el.tagName).toEqual('DIV');
expect(vm.$el.getAttribute('class')).toBe('dragHandle dragleft');
expect(vm.$el.getAttribute('style')).toBe('cursor: ew-resize;');
});
it('should render a div element with the correct classes for a right side panel', () => {
vm = mountComponent(PanelResizer, {
startSize: 100,
side: 'right',
});
expect(vm.$el.tagName).toEqual('DIV');
expect(vm.$el.getAttribute('class')).toBe('dragHandle dragright');
});
it('drag the resizer', () => {
vm = mountComponent(PanelResizer, {
startSize: 100,
side: 'left',
});
spyOn(vm, '$emit');
triggerEvent('mousedown', vm.$el);
triggerEvent('mousemove', document);
triggerEvent('mouseup', document);
expect(vm.$emit.calls.allArgs()).toEqual([['resize-start', 100], ['update:size', 100], ['resize-end', 100]]);
expect(vm.size).toBe(100);
});
});
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