@ledgerhq/live-common/src/modularDrawer/hooks/__tests__/useAcceptedCurrency.test.ts

Common ground for the Ledger Live apps

/**
 * @jest-environment jsdom
 */
import { renderHook } from "@testing-library/react";
import { useAcceptedCurrency } from "../useAcceptedCurrency";
import { CryptoCurrency, TokenCurrency } from "@ledgerhq/types-cryptoassets";
import { useCurrenciesUnderFeatureFlag } from "../useCurrenciesUnderFeatureFlag";
import { isCurrencySupported } from "@ledgerhq/ledger-wallet-framework/currencies/support";

// Mock dependencies
jest.mock("../useCurrenciesUnderFeatureFlag");
jest.mock("@ledgerhq/ledger-wallet-framework/currencies/support");

const mockUseCurrenciesUnderFeatureFlag = useCurrenciesUnderFeatureFlag as jest.MockedFunction<
  typeof useCurrenciesUnderFeatureFlag
>;
const mockIsCurrencySupported = isCurrencySupported as jest.MockedFunction<
  typeof isCurrencySupported
>;

describe("useAcceptedCurrency", () => {
  const mockCryptoCurrency: CryptoCurrency = {
    id: "bitcoin",
    name: "Bitcoin",
    ticker: "BTC",
    type: "CryptoCurrency",
  } as CryptoCurrency;

  const mockDeactivatedCurrency: CryptoCurrency = {
    id: "ethereum",
    name: "Ethereum",
    ticker: "ETH",
    type: "CryptoCurrency",
  } as CryptoCurrency;

  const mockTokenCurrency: TokenCurrency = {
    id: "usdc",
    name: "USD Coin",
    ticker: "USDC",
    type: "TokenCurrency",
    parentCurrency: mockCryptoCurrency,
  } as TokenCurrency;

  const mockTokenWithDeactivatedParent: TokenCurrency = {
    id: "weth",
    name: "Wrapped Ethereum",
    ticker: "WETH",
    type: "TokenCurrency",
    parentCurrency: mockDeactivatedCurrency,
  } as TokenCurrency;

  beforeEach(() => {
    jest.clearAllMocks();
  });

  it("should return true for a supported and non-deactivated currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set<string>(),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockCryptoCurrency);

    expect(isAccepted).toBe(true);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockCryptoCurrency);
  });

  it("should return false for a deactivated currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set(["ethereum"]),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockDeactivatedCurrency);

    expect(isAccepted).toBe(false);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockDeactivatedCurrency);
  });

  it("should return false for an unsupported currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set<string>(),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(false);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockCryptoCurrency);

    expect(isAccepted).toBe(false);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockCryptoCurrency);
  });

  it("should return true for a token with an accepted parent currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set<string>(),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockTokenCurrency);

    expect(isAccepted).toBe(true);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockCryptoCurrency);
  });

  it("should return false for a token with a deactivated parent currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set(["ethereum"]),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockTokenWithDeactivatedParent);

    expect(isAccepted).toBe(false);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockDeactivatedCurrency);
  });

  it("should return false for a token with an unsupported parent currency", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set<string>(),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(false);

    const { result } = renderHook(() => useAcceptedCurrency());
    const isAccepted = result.current(mockTokenCurrency);

    expect(isAccepted).toBe(false);
    expect(mockIsCurrencySupported).toHaveBeenCalledWith(mockCryptoCurrency);
  });

  it("should update when deactivatedCurrencyIds changes", () => {
    const { result, rerender } = renderHook(() => useAcceptedCurrency());

    // First render - currency is accepted
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set<string>(),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);
    rerender();
    expect(result.current(mockCryptoCurrency)).toBe(true);

    // Second render - currency is deactivated
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set(["bitcoin"]),
      featureFlaggedCurrencies: {},
    } as any);
    rerender();
    expect(result.current(mockCryptoCurrency)).toBe(false);
  });

  it("should handle multiple currencies in deactivated set", () => {
    mockUseCurrenciesUnderFeatureFlag.mockReturnValue({
      deactivatedCurrencyIds: new Set(["ethereum", "cardano", "polkadot"]),
      featureFlaggedCurrencies: {},
    } as any);
    mockIsCurrencySupported.mockReturnValue(true);

    const { result } = renderHook(() => useAcceptedCurrency());

    // Bitcoin should be accepted (not in deactivated set)
    expect(result.current(mockCryptoCurrency)).toBe(true);

    // Ethereum should be rejected (in deactivated set)
    expect(result.current(mockDeactivatedCurrency)).toBe(false);
  });
});