Merge remote-tracking branch 'upstream/master' into rename-builds-controller

* upstream/master: (31 commits)
  Remove 'no changes' entries from changelog
  Check if OLD is set when migrating issue assignees
  Fix data migration from trigger schedules
  Replace EFS section in AWS guide
  Add warning about AWS EFS and performance
  Consolidate opening text from about.gitlab.com and add active/passive note
  Fix invalid object reference in ee_compat_check script
  Fix Ordered Task List Items
  Add auxiliary viewer for README
  Update fe_guide testing.md
  Add auxiliary blob viewer for CHANGELOG
  Add spec for last commit info when browsing repository files
  Show last commit for current tree on tree page
  Use same last commit widget on project homepage and tree view
  Fix unassigned checkmark
  Add missing changelog for iPython notebook rendering feature
  Convert fa-history to svg; tweak alignment
  Get rid of pluck in app/services/members/authorized_destroy_service.rb
  Removes duplicate environment variable in documentation
  Fixed spacing issues in issue sidebar
  ...

1 files changed, 14 insertions, 2 deletions

diff --git a/spec/javascripts/vue_mr_widget/components/states/mr_widget_nothing_to_merge_spec.js b/spec/javascripts/vue_mr_widget/components/states/mr_widget_nothing_to_merge_spec.js
index d40c67b189d..a8a02fa6b66 100644
--- a/spec/javascripts/vue_mr_widget/components/states/mr_widget_nothing_to_merge_spec.js
+++ b/spec/javascripts/vue_mr_widget/components/states/mr_widget_nothing_to_merge_spec.js
@@ -4,14 +4,26 @@ import nothingToMergeComponent from '~/vue_merge_request_widget/components/state
 describe('MRWidgetNothingToMerge', () => {
   describe('template', () => {
     const Component = Vue.extend(nothingToMergeComponent);
+    const newBlobPath = '/foo';
     const vm = new Component({
       el: document.createElement('div'),
+      propsData: {
+        mr: { newBlobPath },
+      },
     });
+
     it('should have correct elements', () => {
       expect(vm.$el.classList.contains('mr-widget-body')).toBeTruthy();
-      expect(vm.$el.querySelector('button').getAttribute('disabled')).toBeTruthy();
-      expect(vm.$el.innerText).toContain('There is nothing to merge from source branch into target branch.');
+      expect(vm.$el.querySelector('a').href).toContain(newBlobPath);
+      expect(vm.$el.innerText).toContain('Currently there are no changes in this merge request\'s source branch');
       expect(vm.$el.innerText).toContain('Please push new commits or use a different branch.');
     });
+
+    it('should not show new blob link if there is no link available', () => {
+      vm.mr.newBlobPath = null;
+      Vue.nextTick(() => {
+        expect(vm.$el.querySelector('a')).toEqual(null);
+      });
+    });
   });
 });