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/* global Mousetrap */
import 'mousetrap';
import { shallowMount, createLocalVue } from '@vue/test-utils';
import DiscussionKeyboardNavigator from '~/notes/components/discussion_keyboard_navigator.vue';
describe('notes/components/discussion_keyboard_navigator', () => {
const localVue = createLocalVue();
let wrapper;
let jumpToNextDiscussion;
let jumpToPreviousDiscussion;
const createComponent = () => {
wrapper = shallowMount(DiscussionKeyboardNavigator, {
mixins: [
localVue.extend({
methods: {
jumpToNextDiscussion,
jumpToPreviousDiscussion,
},
}),
],
});
};
beforeEach(() => {
jumpToNextDiscussion = jest.fn();
jumpToPreviousDiscussion = jest.fn();
});
afterEach(() => {
wrapper.destroy();
wrapper = null;
});
describe('on mount', () => {
beforeEach(() => {
createComponent();
});
it('calls jumpToNextDiscussion when pressing `n`', () => {
Mousetrap.trigger('n');
expect(jumpToNextDiscussion).toHaveBeenCalled();
});
it('calls jumpToPreviousDiscussion when pressing `p`', () => {
Mousetrap.trigger('p');
expect(jumpToPreviousDiscussion).toHaveBeenCalled();
});
});
describe('on destroy', () => {
beforeEach(() => {
jest.spyOn(Mousetrap, 'unbind');
createComponent();
wrapper.destroy();
});
it('unbinds keys', () => {
expect(Mousetrap.unbind).toHaveBeenCalledWith('n');
expect(Mousetrap.unbind).toHaveBeenCalledWith('p');
});
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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