MyCrypto/spec/reducers/wallet.spec.ts

import { configuredStore } from 'store';
import { wallet, INITIAL_STATE } from 'reducers/wallet';
import { Wei } from 'libs/units';
import * as walletActions from 'actions/wallet';
configuredStore.getState();

describe('wallet reducer', () => {
  describe('WALLET_SET', () => {
    const address = '0x123';
    const doSomething = new Promise<string>(resolve => {
      setTimeout(() => resolve('Success'), 10);
    });

    const walletInstance = {
      getAddressString: () => address,
      signRawTransaction: () => doSomething,
      signMessage: () => doSomething
    };

    //@ts-ignore
    expect(wallet(undefined, walletActions.setWallet(walletInstance))).toEqual({
      ...INITIAL_STATE,
      inst: walletInstance,
      recentAddresses: [address]
    });
  });

  it('should handle WALLET_RESET', () => {
    expect(wallet(undefined, walletActions.resetWallet())).toEqual(INITIAL_STATE);
  });

  it('should handle WALLET_SET_BALANCE_PENDING', () => {
    expect(wallet(undefined, walletActions.setBalancePending())).toEqual({
      ...INITIAL_STATE,
      balance: {
        ...INITIAL_STATE.balance,
        isPending: true
      }
    });
  });

  it('should handle WALLET_SET_BALANCE_FULFILLED', () => {
    const balance = Wei('100');
    expect(wallet(undefined, walletActions.setBalanceFullfilled(balance))).toEqual({
      ...INITIAL_STATE,
      balance: {
        wei: balance,
        isPending: false
      }
    });
  });

  it('should handle WALLET_SET_BALANCE_REJECTED', () => {
    expect(wallet(undefined, walletActions.setBalanceRejected())).toEqual({
      ...INITIAL_STATE,
      balance: {
        ...INITIAL_STATE.balance,
        isPending: false
      }
    });
  });
});