MRWidget: Fix target branch link.

app/assets/javascripts/vue_merge_request_widget/components/states/mr_widget_locked.js

@@ -16,7 +16,7 @@ export default {
           The changes will be merged into
           <span class="label-branch">
             <a :href="mr.targetBranchPath">{{mr.targetBranch}}</a>
-          </span>
+          </span>.
         </p>
       </section>
     </div>

app/assets/javascripts/vue_merge_request_widget/components/states/mr_widget_merge_when_pipeline_succeeds.js

@@ -87,7 +87,7 @@ export default {
             :href="mr.targetBranchPath"
             class="label-branch">
             {{mr.targetBranch}}
-          </a>
+          </a>.
         </p>
         <p v-if="mr.shouldRemoveSourceBranch">
           The source branch will be removed.

app/assets/javascripts/vue_merge_request_widget/stores/mr_widget_store.js

@@ -43,6 +43,7 @@ export default class MergeRequestStore {
     this.mergeUserId = data.merge_user_id;
     this.currentUserId = gon.current_user_id;
     this.sourceBranchPath = data.source_branch_path;
+    this.targetBranchCommitsPath = data.target_branch_commits_path;
     this.sourceBranchLink = data.source_branch_with_namespace_link;
     this.mergeError = data.merge_error;
     this.targetBranchPath = data.target_branch_commits_path;

spec/javascripts/vue_mr_widget/components/mr_widget_header_spec.js

@@ -48,10 +48,12 @@ describe('MRWidgetHeader', () => {
   describe('template', () => {
     let vm;
     let el;
+    const sourceBranchPath = '/foo/bar/mr-widget-refactor';
     const mr = {
       divergedCommitsCount: 12,
       sourceBranch: 'mr-widget-refactor',
-      sourceBranchLink: '/foo/bar/mr-widget-refactor',
+      sourceBranchLink: `<a href="${sourceBranchPath}">mr-widget-refactor</a>`,
+      targetBranchCommitsPath: 'foo/bar/commits-path',
       targetBranch: 'master',
       isOpen: true,
       emailPatchesPath: '/mr/email-patches',
@@ -65,8 +67,13 @@ describe('MRWidgetHeader', () => {
 
     it('should render template elements correctly', () => {
       expect(el.classList.contains('mr-source-target')).toBeTruthy();
-      expect(el.querySelectorAll('.label-branch')[0].textContent).toContain(mr.sourceBranch);
-      expect(el.querySelectorAll('.label-branch')[1].textContent).toContain(mr.targetBranch);
+      const sourceBranchLink = el.querySelectorAll('.label-branch')[0];
+      const targetBranchLink = el.querySelectorAll('.label-branch')[1];
+
+      expect(sourceBranchLink.textContent).toContain(mr.sourceBranch);
+      expect(targetBranchLink.textContent).toContain(mr.targetBranch);
+      expect(sourceBranchLink.querySelector('a').getAttribute('href')).toEqual(sourceBranchPath);
+      expect(targetBranchLink.querySelector('a').getAttribute('href')).toEqual(mr.targetBranchCommitsPath);
       expect(el.querySelector('.diverged-commits-count').textContent).toContain('12 commits behind');
 
       expect(el.textContent).toContain('Check out branch');