1 files changed, 37 insertions, 14 deletions

diff --git a/spec/javascripts/diffs/store/actions_spec.js b/spec/javascripts/diffs/store/actions_spec.js
index 5656ce16db0..4b339a0553f 100644
--- a/spec/javascripts/diffs/store/actions_spec.js
+++ b/spec/javascripts/diffs/store/actions_spec.js
@@ -382,24 +382,47 @@ describe('DiffsStoreActions', () => {
       const file = { hash: 123, load_collapsed_diff_url: '/load/collapsed/diff/url' };
       const data = { hash: 123, parallelDiffLines: [{ lineCode: 1 }] };
       const mock = new MockAdapter(axios);
+      const commit = jasmine.createSpy('commit');
       mock.onGet(file.loadCollapsedDiffUrl).reply(200, data);
 
-      testAction(
-        loadCollapsedDiff,
-        file,
-        {},
-        [
-          {
-            type: types.ADD_COLLAPSED_DIFFS,
-            payload: { file, data },
-          },
-        ],
-        [],
-        () => {
+      loadCollapsedDiff({ commit, getters: { commitId: null } }, file)
+        .then(() => {
+          expect(commit).toHaveBeenCalledWith(types.ADD_COLLAPSED_DIFFS, { file, data });
+
           mock.restore();
           done();
-        },
-      );
+        })
+        .catch(done.fail);
+    });
+
+    it('should fetch data without commit ID', () => {
+      const file = { load_collapsed_diff_url: '/load/collapsed/diff/url' };
+      const getters = {
+        commitId: null,
+      };
+
+      spyOn(axios, 'get').and.returnValue(Promise.resolve({ data: {} }));
+
+      loadCollapsedDiff({ commit() {}, getters }, file);
+
+      expect(axios.get).toHaveBeenCalledWith(file.load_collapsed_diff_url, {
+        params: { commit_id: null },
+      });
+    });
+
+    it('should fetch data with commit ID', () => {
+      const file = { load_collapsed_diff_url: '/load/collapsed/diff/url' };
+      const getters = {
+        commitId: '123',
+      };
+
+      spyOn(axios, 'get').and.returnValue(Promise.resolve({ data: {} }));
+
+      loadCollapsedDiff({ commit() {}, getters }, file);
+
+      expect(axios.get).toHaveBeenCalledWith(file.load_collapsed_diff_url, {
+        params: { commit_id: '123' },
+      });
     });
   });