1 files changed, 30 insertions, 0 deletions
diff --git a/spec/javascripts/diffs/components/diff_file_spec.js b/spec/javascripts/diffs/components/diff_file_spec.js
new file mode 100644
index 00000000000..4d443286360
--- /dev/null
+++ b/spec/javascripts/diffs/components/diff_file_spec.js
@@ -0,0 +1,30 @@
+import Vue from 'vue';
+import DiffFileComponent from '~/diffs/components/diff_file.vue';
+import store from '~/mr_notes/stores';
+import { createComponentWithStore } from 'spec/helpers/vue_mount_component_helper';
+import diffFileMockData from '../mock_data/diff_file';
+
+describe('DiffFile', () => {
+  let component;
+  const getDiffFileMock = () => Object.assign({}, diffFileMockData);
+
+  beforeEach(() => {
+    component = createComponentWithStore(Vue.extend(DiffFileComponent), store, {
+      file: getDiffFileMock(),
+    }).$mount(document.createElement('div'));
+  });
+
+  describe('template', () => {
+    it('should render component with file header, file content components', () => {
+      const el = component.$el;
+      const { fileHash, filePath } = diffFileMockData;
+
+      expect(el.id).toEqual(fileHash);
+      expect(el.classList.contains('diff-file')).toEqual(true);
+      expect(el.querySelector('.js-file-title')).toBeDefined();
+      expect(el.querySelector('.file-title-name').innerText.indexOf(filePath) > -1).toEqual(true);
+      expect(el.querySelector('.js-syntax-highlight')).toBeDefined();
+      expect(el.querySelectorAll('.line_content').length > 5).toEqual(true);
+    });
+  });
+});