54 lines
1.9 KiB
TypeScript
54 lines
1.9 KiB
TypeScript
import AsyncStorage from "@react-native-async-storage/async-storage";
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import { saveState, loadState, PokerState } from "../CalculatorState";
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jest.mock("@react-native-async-storage/async-storage", () => ({
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setItem: jest.fn(),
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getItem: jest.fn(),
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}));
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describe("CalculatorState.tsx", () => {
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const mockState: PokerState = {
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playerCount: 4,
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buyInAmount: 50,
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numberOfChips: 5,
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totalChipsCount: [100, 200, 150, 50, 75],
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};
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beforeEach(() => {
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jest.clearAllMocks();
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});
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it("should save state successfully", async () => {
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(AsyncStorage.setItem as jest.Mock).mockResolvedValueOnce(undefined);
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const result = await saveState("SLOT1", mockState);
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expect(result.success).toBe(true);
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expect(result.message).toBe("State saved to SLOT1");
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expect(AsyncStorage.setItem).toHaveBeenCalledWith("@poker_state_slot1", JSON.stringify(mockState));
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});
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it("should fail to save state if an error occurs", async () => {
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(AsyncStorage.setItem as jest.Mock).mockRejectedValueOnce(new Error("Failed to save"));
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const result = await saveState("SLOT1", mockState);
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expect(result.success).toBe(false);
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expect(result.message).toBe("Failed to save state");
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});
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it("should load state successfully", async () => {
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(AsyncStorage.getItem as jest.Mock).mockResolvedValueOnce(JSON.stringify(mockState));
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const result = await loadState("SLOT1");
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expect(result).toEqual(mockState);
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});
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it("should return null if no state is found", async () => {
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(AsyncStorage.getItem as jest.Mock).mockResolvedValueOnce(null);
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const result = await loadState("SLOT1");
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expect(result).toBeNull();
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});
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it("should return null if an error occurs while loading state", async () => {
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(AsyncStorage.getItem as jest.Mock).mockRejectedValueOnce(new Error("Failed to load"));
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const result = await loadState("SLOT1");
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expect(result).toBeNull();
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});
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});
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