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add test case for nonexistent callback

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Brendan Chen
2025-02-02 13:16:28 -08:00
parent b30e4be895
commit fe16bc7124
1 changed files with 11 additions and 0 deletions
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11
test/repositories/UnoptimizedInMemoryRepositoryTests.test.ts
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@@ -257,6 +257,17 @@ describe("UnoptimizedInMemoryRepository", () => {
expect(mockCallback).toHaveBeenCalledWith(mockEtas[0]); // First notification expect(mockCallback).toHaveBeenCalledWith(mockEtas[0]); // First notification
expect(mockCallback).not.toHaveBeenCalledWith(mockEtas[mockEtas.length - 1]); // Last notification expect(mockCallback).not.toHaveBeenCalledWith(mockEtas[mockEtas.length - 1]); // Last notification
}); });
test("does nothing if the listener doesn't exist", async () => {
const mockCallback = jest.fn();
repository.subscribeToEtaUpdates(mockCallback);
const mockEtas = generateMockEtas();
repository.unsubscribeFromEtaUpdates(() => {});
await repository.addOrUpdateEta(mockEtas[0]);
expect(mockCallback).toHaveBeenCalledTimes(1);
});
}); });
describe("getOrderedStopByRouteAndStopId", () => { describe("getOrderedStopByRouteAndStopId", () => {