1 files changed, 93 insertions, 0 deletions
diff --git a/spec/javascripts/notes/components/diff_file_header_spec.js b/spec/javascripts/notes/components/diff_file_header_spec.js
new file mode 100644
index 00000000000..aed30a087a6
--- /dev/null
+++ b/spec/javascripts/notes/components/diff_file_header_spec.js
@@ -0,0 +1,93 @@
+import Vue from 'vue';
+import DiffFileHeader from '~/notes/components/diff_file_header.vue';
+import { convertObjectPropsToCamelCase } from '~/lib/utils/common_utils';
+import mountComponent from '../../helpers/vue_mount_component_helper';
+
+const discussionFixture = 'merge_requests/diff_discussion.json';
+
+describe('diff_file_header', () => {
+  let vm;
+  const diffDiscussionMock = getJSONFixture(discussionFixture)[0];
+  const diffFile = convertObjectPropsToCamelCase(diffDiscussionMock.diff_file);
+  const props = {
+    diffFile,
+  };
+  const Component = Vue.extend(DiffFileHeader);
+  const selectors = {
+    get copyButton() {
+      return vm.$el.querySelector('button[data-original-title="Copy file path to clipboard"]');
+    },
+    get fileName() {
+      return vm.$el.querySelector('.file-title-name');
+    },
+    get titleWrapper() {
+      return vm.$refs.titleWrapper;
+    },
+  };
+
+  describe('submodule', () => {
+    beforeEach(() => {
+      props.diffFile.submodule = true;
+      props.diffFile.submoduleLink = '<a href="/bha">Submodule</a>';
+
+      vm = mountComponent(Component, props);
+    });
+
+    it('shows submoduleLink', () => {
+      expect(selectors.fileName.innerHTML).toBe(props.diffFile.submoduleLink);
+    });
+
+    it('has button to copy blob path', () => {
+      expect(selectors.copyButton).toExist();
+      expect(selectors.copyButton.getAttribute('data-clipboard-text')).toBe(props.diffFile.submoduleLink);
+    });
+  });
+
+  describe('changed file', () => {
+    beforeEach(() => {
+      props.diffFile.submodule = false;
+      props.diffFile.discussionPath = 'some/discussion/id';
+
+      vm = mountComponent(Component, props);
+    });
+
+    it('shows file type icon', () => {
+      expect(vm.$el.innerHTML).toContain('fa-file-text-o');
+    });
+
+    it('links to discussion path', () => {
+      expect(selectors.titleWrapper).toExist();
+      expect(selectors.titleWrapper.tagName).toBe('A');
+      expect(selectors.titleWrapper.getAttribute('href')).toBe(props.diffFile.discussionPath);
+    });
+
+    it('shows plain title if no link given', () => {
+      props.diffFile.discussionPath = undefined;
+      vm = mountComponent(Component, props);
+
+      expect(selectors.titleWrapper.tagName).not.toBe('A');
+      expect(selectors.titleWrapper.href).toBeFalsy();
+    });
+
+    it('has button to copy file path', () => {
+      expect(selectors.copyButton).toExist();
+      expect(selectors.copyButton.getAttribute('data-clipboard-text')).toBe(props.diffFile.filePath);
+    });
+
+    it('shows file mode change', (done) => {
+      vm.diffFile = {
+        ...props.diffFile,
+        modeChanged: true,
+        aMode: '100755',
+        bMode: '100644',
+      };
+
+      Vue.nextTick(() => {
+        expect(
+          vm.$refs.fileMode.textContent.trim(),
+        ).toBe('100755 → 100644');
+        done();
+      });
+    });
+  });
+});