1 files changed, 57 insertions, 0 deletions
diff --git a/spec/frontend/releases/release_notification_service_spec.js b/spec/frontend/releases/release_notification_service_spec.js
new file mode 100644
index 00000000000..2344d4b929a
--- /dev/null
+++ b/spec/frontend/releases/release_notification_service_spec.js
@@ -0,0 +1,57 @@
+import {
+  popCreateReleaseNotification,
+  putCreateReleaseNotification,
+} from '~/releases/release_notification_service';
+import { createAlert, VARIANT_SUCCESS } from '~/flash';
+
+jest.mock('~/flash');
+
+describe('~/releases/release_notification_service', () => {
+  const projectPath = 'test-project-path';
+  const releaseName = 'test-release-name';
+
+  const storageKey = `createRelease:${projectPath}`;
+
+  describe('prepareCreateReleaseFlash', () => {
+    it('should set the session storage with project path key and release name value', () => {
+      putCreateReleaseNotification(projectPath, releaseName);
+
+      const item = window.sessionStorage.getItem(storageKey);
+
+      expect(item).toBe(releaseName);
+    });
+  });
+
+  describe('showNotificationsIfPresent', () => {
+    describe('if notification is prepared', () => {
+      beforeEach(() => {
+        window.sessionStorage.setItem(storageKey, releaseName);
+        popCreateReleaseNotification(projectPath);
+      });
+
+      it('should remove storage key', () => {
+        const item = window.sessionStorage.getItem(storageKey);
+
+        expect(item).toBe(null);
+      });
+
+      it('should create a flash message', () => {
+        expect(createAlert).toHaveBeenCalledTimes(1);
+        expect(createAlert).toHaveBeenCalledWith({
+          message: `Release ${releaseName} has been successfully created.`,
+          variant: VARIANT_SUCCESS,
+        });
+      });
+    });
+
+    describe('if notification is not prepared', () => {
+      beforeEach(() => {
+        popCreateReleaseNotification(projectPath);
+      });
+
+      it('should not create a flash message', () => {
+        expect(createAlert).toHaveBeenCalledTimes(0);
+      });
+    });
+  });
+});