1 files changed, 57 insertions, 0 deletions
diff --git a/spec/javascripts/pdf/page_spec.js b/spec/javascripts/pdf/page_spec.js
new file mode 100644
index 00000000000..ac76ebbfbe6
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+++ b/spec/javascripts/pdf/page_spec.js
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+/* eslint-disable import/no-unresolved */
+
+import Vue from 'vue';
+import pdfjsLib from 'pdfjs-dist';
+import workerSrc from 'vendor/pdf.worker';
+
+import PageComponent from '~/pdf/page/index.vue';
+import testPDF from '../fixtures/blob/pdf/test.pdf';
+
+const Component = Vue.extend(PageComponent);
+
+describe('Page component', () => {
+  let vm;
+  let testPage;
+  pdfjsLib.PDFJS.workerSrc = workerSrc;
+
+  const checkRendered = (done) => {
+    if (vm.rendering) {
+      setTimeout(() => {
+        checkRendered(done);
+      }, 100);
+    } else {
+      done();
+    }
+  };
+
+  beforeEach((done) => {
+    pdfjsLib.getDocument(testPDF)
+      .then(pdf => pdf.getPage(1))
+      .then((page) => {
+        testPage = page;
+        done();
+      })
+      .catch((error) => {
+        console.error(error);
+      });
+  });
+
+  describe('render', () => {
+    beforeEach((done) => {
+      vm = new Component({
+        propsData: {
+          page: testPage,
+          number: 1,
+        },
+      });
+
+      vm.$mount();
+
+      checkRendered(done);
+    });
+
+    it('renders first page', () => {
+      expect(vm.$el.tagName).toBeDefined();
+    });
+  });
+});