gitlab-org--gitlab-foss/spec/frontend/pdf/page_spec.js

39 lines
964 B
JavaScript

import Vue from 'vue';
import mountComponent from 'helpers/vue_mount_component_helper';
import PageComponent from '~/pdf/page/index.vue';
jest.mock('pdfjs-dist/webpack', () => {
return { default: jest.requireActual('pdfjs-dist/build/pdf') };
});
describe('Page component', () => {
const Component = Vue.extend(PageComponent);
let vm;
afterEach(() => {
vm.$destroy();
});
it('renders the page when mounting', (done) => {
const promise = Promise.resolve();
const testPage = {
render: jest.fn().mockReturnValue({ promise: Promise.resolve() }),
getViewport: jest.fn().mockReturnValue({}),
};
vm = mountComponent(Component, {
page: testPage,
number: 1,
});
expect(vm.rendering).toBe(true);
promise
.then(() => {
expect(testPage.render).toHaveBeenCalledWith(vm.renderContext);
expect(vm.rendering).toBe(false);
})
.then(done)
.catch(done.fail);
});
});