1 files changed, 17 insertions, 0 deletions
diff --git a/spec/frontend/diffs/store/actions_spec.js b/spec/frontend/diffs/store/actions_spec.js
index 0032fe926d0..c1a7844d301 100644
--- a/spec/frontend/diffs/store/actions_spec.js
+++ b/spec/frontend/diffs/store/actions_spec.js
@@ -48,6 +48,7 @@ import {
   moveToNeighboringCommit,
   setCurrentDiffFileIdFromNote,
   navigateToDiffFileIndex,
+  setFileByFile,
 } from '~/diffs/store/actions';
 import eventHub from '~/notes/event_hub';
 import * as types from '~/diffs/store/mutation_types';
@@ -1455,4 +1456,20 @@ describe('DiffsStoreActions', () => {
       );
     });
   });
+
+  describe('setFileByFile', () => {
+    it.each`
+      value
+      ${true}
+      ${false}
+    `('commits SET_FILE_BY_FILE with the new value $value', ({ value }) => {
+      return testAction(
+        setFileByFile,
+        { fileByFile: value },
+        { viewDiffsFileByFile: null },
+        [{ type: types.SET_FILE_BY_FILE, payload: value }],
+        [],
+      );
+    });
+  });
 });