add test cases and rename some methods

src/repositories/NotificationRepository.ts

@@ -23,11 +23,11 @@ export class NotificationRepository {
 
   }
 
-  public async addNotification(notification: ScheduledNotification) {
+  public async addOrUpdateNotification(notification: ScheduledNotification) {
 
   }
 
-  public async deleteNotification(lookupArguments: NotificationLookupArguments) {
+  public async deleteNotificationIfExists(lookupArguments: NotificationLookupArguments) {
 
   }
 }

test/repositories/NotificationRepositoryTests.test.ts

@@ -0,0 +1,43 @@
+import { describe, it } from "@jest/globals";
+
+describe("NotificationRepository", () => {
+  describe("getAllNotificationsForShuttleAndStopId", () => {
+    it("gets notifications correctly", async () => {
+
+    });
+
+    it("returns empty array if no notifications", async () => {
+
+    });
+  });
+
+  describe("getSecondsThresholdForNotificationIfExists", () => {
+    it("gets the seconds threshold if exists", async () => {
+
+    });
+
+    it("returns null if there is no seconds threshold", async () => {
+
+    });
+  });
+
+  describe("addOrUpdateNotification", () => {
+    it("adds the notification", async () => {
+
+    });
+
+    it("updates the seconds threshold if the notification exists already", async () => {
+
+    });
+  });
+
+  describe("deleteNotificationIfExists", () => {
+    it("deletes the notification", async () => {
+
+    });
+
+    it("does nothing if there's no notification", async () => {
+
+    });
+  });
+});