import Vue from 'vue'; import pdfjsLib from 'pdfjs-dist/webpack'; import mountComponent from 'spec/helpers/vue_mount_component_helper'; import { FIXTURES_PATH } from 'spec/test_constants'; import PageComponent from '~/pdf/page/index.vue'; const testPDF = `${FIXTURES_PATH}/blob/pdf/test.pdf`; describe('Page component', () => { const Component = Vue.extend(PageComponent); let vm; let testPage; beforeEach(done => { pdfjsLib .getDocument(testPDF) .promise.then(pdf => pdf.getPage(1)) .then(page => { testPage = page; }) .then(done) .catch(done.fail); }); afterEach(() => { vm.$destroy(); }); it('renders the page when mounting', done => { const promise = Promise.resolve(); spyOn(testPage, 'render').and.returnValue({ promise }); 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); }); });