1 files changed, 22 insertions, 0 deletions
diff --git a/spec/frontend/diffs/store/utils_spec.js b/spec/frontend/diffs/store/utils_spec.js
index 891de45e268..d87619e1e3c 100644
--- a/spec/frontend/diffs/store/utils_spec.js
+++ b/spec/frontend/diffs/store/utils_spec.js
@@ -1090,4 +1090,26 @@ describe('DiffsStoreUtils', () => {
       ]);
     });
   });
+
+  describe('getDefaultWhitespace', () => {
+    it('defaults to true if querystring and cookie are undefined', () => {
+      expect(utils.getDefaultWhitespace()).toBe(true);
+    });
+
+    it('returns false if querystring is `1`', () => {
+      expect(utils.getDefaultWhitespace('1', '0')).toBe(false);
+    });
+
+    it('returns true if querystring is `0`', () => {
+      expect(utils.getDefaultWhitespace('0', undefined)).toBe(true);
+    });
+
+    it('returns false if cookie is `1`', () => {
+      expect(utils.getDefaultWhitespace(undefined, '1')).toBe(false);
+    });
+
+    it('returns true if cookie is `0`', () => {
+      expect(utils.getDefaultWhitespace(undefined, '0')).toBe(true);
+    });
+  });
 });