1 files changed, 62 insertions, 0 deletions
diff --git a/spec/frontend/pdf/index_spec.js b/spec/frontend/pdf/index_spec.js
new file mode 100644
index 00000000000..0d8caa28fd1
--- /dev/null
+++ b/spec/frontend/pdf/index_spec.js
@@ -0,0 +1,62 @@
+import Vue from 'vue';
+
+import { FIXTURES_PATH } from 'spec/test_constants';
+import PDFLab from '~/pdf/index.vue';
+
+jest.mock('pdfjs-dist/webpack', () => {
+  return { default: jest.requireActual('pdfjs-dist/build/pdf') };
+});
+
+const pdf = `${FIXTURES_PATH}/blob/pdf/test.pdf`;
+
+const Component = Vue.extend(PDFLab);
+
+describe('PDF component', () => {
+  let vm;
+
+  const checkLoaded = done => {
+    if (vm.loading) {
+      setTimeout(() => {
+        checkLoaded(done);
+      }, 100);
+    } else {
+      done();
+    }
+  };
+
+  describe('without PDF data', () => {
+    beforeEach(done => {
+      vm = new Component({
+        propsData: {
+          pdf: '',
+        },
+      });
+
+      vm.$mount();
+
+      checkLoaded(done);
+    });
+
+    it('does not render', () => {
+      expect(vm.$el.tagName).toBeUndefined();
+    });
+  });
+
+  describe('with PDF data', () => {
+    beforeEach(done => {
+      vm = new Component({
+        propsData: {
+          pdf,
+        },
+      });
+
+      vm.$mount();
+
+      checkLoaded(done);
+    });
+
+    it('renders pdf component', () => {
+      expect(vm.$el.tagName).toBeDefined();
+    });
+  });
+});