1 files changed, 24 insertions, 0 deletions
diff --git a/spec/frontend/ci/runner/local_storage_alert/save_alert_to_local_storage_spec.js b/spec/frontend/ci/runner/local_storage_alert/save_alert_to_local_storage_spec.js
new file mode 100644
index 00000000000..b34ef01eeed
--- /dev/null
+++ b/spec/frontend/ci/runner/local_storage_alert/save_alert_to_local_storage_spec.js
@@ -0,0 +1,24 @@
+import AccessorUtilities from '~/lib/utils/accessor';
+import { saveAlertToLocalStorage } from '~/ci/runner/local_storage_alert/save_alert_to_local_storage';
+import { LOCAL_STORAGE_ALERT_KEY } from '~/ci/runner/local_storage_alert/constants';
+import { useLocalStorageSpy } from 'helpers/local_storage_helper';
+
+const mockAlert = { message: 'Message!' };
+
+describe('saveAlertToLocalStorage', () => {
+  useLocalStorageSpy();
+
+  beforeEach(() => {
+    jest.spyOn(AccessorUtilities, 'canUseLocalStorage').mockReturnValue(true);
+  });
+
+  it('saves message to local storage', () => {
+    saveAlertToLocalStorage(mockAlert);
+
+    expect(localStorage.setItem).toHaveBeenCalledTimes(1);
+    expect(localStorage.setItem).toHaveBeenCalledWith(
+      LOCAL_STORAGE_ALERT_KEY,
+      JSON.stringify(mockAlert),
+    );
+  });
+});