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import { shallowMount } from '@vue/test-utils';
import Vue from 'vue';
import {
keysFor,
MR_NEXT_UNRESOLVED_DISCUSSION,
MR_PREVIOUS_UNRESOLVED_DISCUSSION,
} from '~/behaviors/shortcuts/keybindings';
import { Mousetrap } from '~/lib/mousetrap';
import DiscussionNavigator from '~/notes/components/discussion_navigator.vue';
import eventHub from '~/notes/event_hub';
describe('notes/components/discussion_navigator', () => {
let wrapper;
let jumpToNextDiscussion;
let jumpToPreviousDiscussion;
const createComponent = () => {
wrapper = shallowMount(DiscussionNavigator, {
mixins: [
{
methods: {
jumpToNextDiscussion,
jumpToPreviousDiscussion,
},
},
],
});
};
beforeEach(() => {
jumpToNextDiscussion = jest.fn();
jumpToPreviousDiscussion = jest.fn();
});
describe('on create', () => {
let onSpy;
let vm;
beforeEach(() => {
onSpy = jest.spyOn(eventHub, '$on');
vm = new Vue(DiscussionNavigator);
});
it('listens for jumpToFirstUnresolvedDiscussion events', () => {
expect(onSpy).toHaveBeenCalledWith(
'jumpToFirstUnresolvedDiscussion',
vm.jumpToFirstUnresolvedDiscussion,
);
});
});
describe('on mount', () => {
beforeEach(() => {
createComponent();
});
it('calls jumpToNextDiscussion when pressing `n`', () => {
Mousetrap.trigger(keysFor(MR_NEXT_UNRESOLVED_DISCUSSION));
expect(jumpToNextDiscussion).toHaveBeenCalled();
});
it('calls jumpToPreviousDiscussion when pressing `p`', () => {
Mousetrap.trigger(keysFor(MR_PREVIOUS_UNRESOLVED_DISCUSSION));
expect(jumpToPreviousDiscussion).toHaveBeenCalled();
});
});
describe('on destroy', () => {
let jumpFn;
beforeEach(() => {
jest.spyOn(Mousetrap, 'unbind');
jest.spyOn(eventHub, '$off');
createComponent();
jumpFn = wrapper.vm.jumpToFirstUnresolvedDiscussion;
wrapper.destroy();
});
it('unbinds keys', () => {
expect(Mousetrap.unbind).toHaveBeenCalledWith(keysFor(MR_NEXT_UNRESOLVED_DISCUSSION));
expect(Mousetrap.unbind).toHaveBeenCalledWith(keysFor(MR_PREVIOUS_UNRESOLVED_DISCUSSION));
});
it('unbinds event hub listeners', () => {
expect(eventHub.$off).toHaveBeenCalledWith('jumpToFirstUnresolvedDiscussion', jumpFn);
});
it('does not call jumpToNextDiscussion when pressing `n`', () => {
Mousetrap.trigger('n');
expect(jumpToNextDiscussion).not.toHaveBeenCalled();
});
it('does not call jumpToNextDiscussion when pressing `p`', () => {
Mousetrap.trigger('p');
expect(jumpToPreviousDiscussion).not.toHaveBeenCalled();
});
});
});
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