Fixed renamed and mode changed diff viewers

Renders mode changed and renamed file merge request diff
viewers on the frontend.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/52607

1 files changed, 26 insertions, 0 deletions

diff --git a/spec/javascripts/diffs/components/diff_file_spec.js b/spec/javascripts/diffs/components/diff_file_spec.js
index 51bb4807960..1af49282c36 100644
--- a/spec/javascripts/diffs/components/diff_file_spec.js
+++ b/spec/javascripts/diffs/components/diff_file_spec.js
@@ -74,6 +74,32 @@ describe('DiffFile', () => {
         });
       });
 
+      it('should be collapsed for renamed files', done => {
+        vm.file.renderIt = true;
+        vm.file.collapsed = false;
+        vm.file.highlighted_diff_lines = null;
+        vm.file.renamed_file = true;
+
+        vm.$nextTick(() => {
+          expect(vm.$el.innerText).not.toContain('This diff is collapsed');
+
+          done();
+        });
+      });
+
+      it('should be collapsed for mode changed files', done => {
+        vm.file.renderIt = true;
+        vm.file.collapsed = false;
+        vm.file.highlighted_diff_lines = null;
+        vm.file.mode_changed = true;
+
+        vm.$nextTick(() => {
+          expect(vm.$el.innerText).not.toContain('This diff is collapsed');
+
+          done();
+        });
+      });
+
       it('should have loading icon while loading a collapsed diffs', done => {
         vm.file.collapsed = true;
         vm.isLoadingCollapsedDiff = true;