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add test cases for the new functions

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Brendan Chen
2025-02-02 13:09:54 -08:00
parent ec62b0c8bf
commit 047ff3a56e
1 changed files with 24 additions and 2 deletions
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26
test/repositories/UnoptimizedInMemoryRepositoryTests.test.ts
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@@ -1,4 +1,4 @@
import { beforeEach, describe, expect, test } from "@jest/globals"; import { beforeEach, describe, expect, jest, test } from "@jest/globals";
import { UnoptimizedInMemoryRepository } from "../../src/repositories/UnoptimizedInMemoryRepository"; import { UnoptimizedInMemoryRepository } from "../../src/repositories/UnoptimizedInMemoryRepository";
import { import {
generateMockEtas, generateMockEtas,
@@ -226,14 +226,36 @@ describe("UnoptimizedInMemoryRepository", () => {
}); });
describe("subscribeToEtaChanges", () => { describe("subscribeToEtaChanges", () => {
test("notifies listeners if etas has changed", async () => { test("notifies listeners if etas have been added or changed", async () => {
const mockCallback = jest.fn(); // Jest mock function to simulate a listener
repository.subscribeToEtaChanges(mockCallback);
const mockEtas = generateMockEtas();
for (const eta of mockEtas) {
await repository.addOrUpdateEta(eta); // Trigger changes in ETAs
}
expect(mockCallback).toHaveBeenCalledTimes(mockEtas.length);
expect(mockCallback).toHaveBeenCalledWith(mockEtas[0]); // First notification
expect(mockCallback).toHaveBeenCalledWith(mockEtas[mockEtas.length - 1]); // Last notification
}); });
}); });
describe("unsubscribeFromEtaChanges", () => { describe("unsubscribeFromEtaChanges", () => {
test("stops notifying listeners after etas have stopped changing", async () => { test("stops notifying listeners after etas have stopped changing", async () => {
const mockCallback = jest.fn(); // Jest mock function to simulate a listener
repository.subscribeToEtaChanges(mockCallback);
const mockEtas = generateMockEtas();
await repository.addOrUpdateEta(mockEtas[0]);
repository.unsubscribeFromEtaChanges(mockCallback);
await repository.addOrUpdateEta(mockEtas[mockEtas.length - 1]);
expect(mockCallback).toHaveBeenCalledTimes(1);
expect(mockCallback).toHaveBeenCalledWith(mockEtas[0]); // First notification
expect(mockCallback).not.toHaveBeenCalledWith(mockEtas[mockEtas.length - 1]); // Last notification
}); });
}); });