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import Vue from 'vue';
import DiscussionFilterNote from '~/notes/components/discussion_filter_note.vue';
import eventHub from '~/notes/event_hub';
import mountComponent from '../../helpers/vue_mount_component_helper';
describe('DiscussionFilterNote component', () => {
let vm;
const createComponent = () => {
const Component = Vue.extend(DiscussionFilterNote);
return mountComponent(Component);
};
beforeEach(() => {
vm = createComponent();
});
afterEach(() => {
vm.$destroy();
});
describe('computed', () => {
describe('timelineContent', () => {
it('returns string containing instruction for switching feed type', () => {
expect(vm.timelineContent).toBe(
"You're only seeing <b>other activity</b> in the feed. To add a comment, switch to one of the following options.",
);
});
});
});
describe('methods', () => {
describe('selectFilter', () => {
it('emits `dropdownSelect` event on `eventHub` with provided param', () => {
spyOn(eventHub, '$emit');
vm.selectFilter(1);
expect(eventHub.$emit).toHaveBeenCalledWith('dropdownSelect', 1);
});
});
});
describe('template', () => {
it('renders component container element', () => {
expect(vm.$el.classList.contains('discussion-filter-note')).toBe(true);
});
it('renders comment icon element', () => {
expect(vm.$el.querySelector('.timeline-icon svg use').getAttribute('xlink:href')).toContain(
'comment',
);
});
it('renders filter information note', () => {
expect(vm.$el.querySelector('.timeline-content').innerText.trim()).toContain(
"You're only seeing other activity in the feed. To add a comment, switch to one of the following options.",
);
});
it('renders filter buttons', () => {
const buttonsContainerEl = vm.$el.querySelector('.discussion-filter-actions');
expect(buttonsContainerEl.querySelector('button:first-child').innerText.trim()).toContain(
'Show all activity',
);
expect(buttonsContainerEl.querySelector('button:last-child').innerText.trim()).toContain(
'Show comments only',
);
});
it('clicking `Show all activity` button calls `selectFilter("all")` method', () => {
const showAllBtn = vm.$el.querySelector('.discussion-filter-actions button:first-child');
spyOn(vm, 'selectFilter');
showAllBtn.dispatchEvent(new Event('click'));
expect(vm.selectFilter).toHaveBeenCalledWith(0);
});
it('clicking `Show comments only` button calls `selectFilter("comments")` method', () => {
const showAllBtn = vm.$el.querySelector('.discussion-filter-actions button:last-child');
spyOn(vm, 'selectFilter');
showAllBtn.dispatchEvent(new Event('click'));
expect(vm.selectFilter).toHaveBeenCalledWith(1);
});
});
});
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