test(indexeddb): testing indexeddb implementation

Signed-off-by: Christiantyemele <yemelechristian2@gmail.com>

power-pay-frontend/src/Hooks/indexdb.test.ts

@@ -0,0 +1,62 @@
+import {IndexedDBStorageService} from './StorageContext';
+import 'fake-indexeddb/auto'
+
+declare const structuredClone: (obj: any) => any;
+if (!('structuredClone' in self)) {
+    self["structuredClone"] = (obj: any) => {
+        return JSON.parse(JSON.stringify(obj));
+    };
+}
+
+describe('IndexedDBService',
+
+    () => {
+        let indexedDBService: IndexedDBStorageService;
+
+        beforeAll(async () => {
+            indexedDBService = new IndexedDBStorageService('testDB', 2);
+
+        });
+
+        it('should open and close database', async () => {
+
+            await indexedDBService.openDatabase('dbname', 2);
+
+            expect(indexedDBService['db']).not.toBeNull();
+
+        });
+
+        it('should add data to the objectStore and retrieve it', async () => {
+
+            const testData: any = {id: 1, name: 'Test'};
+            await indexedDBService.setItem(testData);
+
+            const retrievedData = await indexedDBService.getItem(1);
+            const revert = await indexedDBService.clear()
+
+            expect(retrievedData).toEqual(testData);
+        });
+
+        it('should get data from objectStore', async () => {
+            const retrieveData = await indexedDBService.getItem(1);
+            expect(retrieveData).toEqual(undefined)
+        })
+
+        it('should delete data from the objectStore', async () => {
+
+            const removedData = await indexedDBService.removeItem('keystore')
+
+            const retrieveData = await indexedDBService.getItem('keystore')
+            expect(retrieveData).toEqual(undefined)
+        });
+        it('should clear all the data out of the object store', async () => {
+            const testData = {id: 1, name: 'mark'}
+            const testData2 = {id: "2", name: "christian"}
+
+            const setData = await indexedDBService.setItem(testData)
+            const setData2 = await indexedDBService.setItem(testData2)
+
+            const clearData = await indexedDBService.clear()
+            expect(await indexedDBService.getItem(1)).toEqual(undefined)
+        })
+    });