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

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import Vue from 'vue';
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import pdfjsLib from 'vendor/pdf';
import workerSrc from 'vendor/pdf.worker.min';
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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';
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describe('Page component', () => {
const Component = Vue.extend(PageComponent);
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let vm;
let testPage;
beforeEach(done => {
pdfjsLib.PDFJS.workerSrc = workerSrc;
pdfjsLib
.getDocument(testPDF)
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.then(pdf => pdf.getPage(1))
.then(page => {
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testPage = page;
})
.then(done)
.catch(done.fail);
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});
afterEach(() => {
vm.$destroy();
});
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it('renders the page when mounting', done => {
const promise = Promise.resolve();
spyOn(testPage, 'render').and.callFake(() => promise);
vm = mountComponent(Component, {
page: testPage,
number: 1,
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});
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expect(vm.rendering).toBe(true);
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promise
.then(() => {
expect(testPage.render).toHaveBeenCalledWith(vm.renderContext);
expect(vm.rendering).toBe(false);
})
.then(done)
.catch(done.fail);
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});
});