import Vue from 'vue'; import pdfjsLib from 'vendor/pdf'; import workerSrc from 'vendor/pdf.worker.min'; import PageComponent from '~/pdf/page/index.vue'; import mountComponent from 'spec/helpers/vue_mount_component_helper'; import testPDF from 'spec/fixtures/blob/pdf/test.pdf'; describe('Page component', () => { const Component = Vue.extend(PageComponent); let vm; let testPage; beforeEach(done => { pdfjsLib.GlobalWorkerOptions.workerSrc = workerSrc; pdfjsLib .getDocument(testPDF) .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.callFake(() => 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); }); });