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metamask-extension/ui/hooks/gasFeeInput/useMaxFeePerGasInput.test.js
Jyoti Puri 79b08fb803
Refactoring useGasFeeInputs hook (#12327)
Refactoring useGasFeeInputs hook
2021-10-22 22:44:28 +05:30

130 lines
3.9 KiB
JavaScript

import { useSelector } from 'react-redux';
import { act, renderHook } from '@testing-library/react-hooks';
import { getMaximumGasTotalInHexWei } from '../../../shared/modules/gas.utils';
import { decimalToHex } from '../../helpers/utils/conversions.util';
import {
FEE_MARKET_ESTIMATE_RETURN_VALUE,
LEGACY_GAS_ESTIMATE_RETURN_VALUE,
configureEIP1559,
configureLegacy,
convertFromHexToFiat,
generateUseSelectorRouter,
} from './test-utils';
import { useMaxFeePerGasInput } from './useMaxFeePerGasInput';
jest.mock('../useGasFeeEstimates', () => ({
useGasFeeEstimates: jest.fn(),
}));
jest.mock('react-redux', () => {
const actual = jest.requireActual('react-redux');
return {
...actual,
useSelector: jest.fn(),
};
});
const renderUseMaxFeePerGasInputHook = (props) =>
renderHook(() =>
useMaxFeePerGasInput({
gasLimit: '21000',
estimateToUse: 'medium',
transaction: {
userFeeLevel: 'custom',
txParams: { maxFeePerGas: '0x5028' },
},
...FEE_MARKET_ESTIMATE_RETURN_VALUE,
...props,
}),
);
describe('useMaxFeePerGasInput', () => {
beforeEach(() => {
jest.clearAllMocks();
configureEIP1559();
});
it('returns maxFeePerGas values from transaction if transaction.userFeeLevel is custom', () => {
const { result } = renderUseMaxFeePerGasInputHook();
expect(result.current.maxFeePerGas).toBe(0.00002052);
});
it('returns gasPrice values from transaction if transaction.userFeeLevel is custom and maxFeePerGas is not provided', () => {
const { result } = renderUseMaxFeePerGasInputHook({
transaction: {
userFeeLevel: 'custom',
txParams: { gasPrice: '0x5028' },
},
});
expect(result.current.maxFeePerGas).toBe(0.00002052);
});
it('does not returns maxFeePerGas values from transaction if transaction.userFeeLevel is not custom', () => {
const { result } = renderUseMaxFeePerGasInputHook({
estimateToUse: 'high',
transaction: {
userFeeLevel: 'high',
txParams: { maxFeePerGas: '0x5028' },
},
});
expect(result.current.maxFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.high
.suggestedMaxFeePerGas,
);
});
it('if no maxFeePerGas is provided by user or in transaction it returns value from fee market estimate', () => {
const { result } = renderUseMaxFeePerGasInputHook({
transaction: {
userFeeLevel: 'high',
txParams: {},
},
});
expect(result.current.maxFeePerGas).toBe(
FEE_MARKET_ESTIMATE_RETURN_VALUE.gasFeeEstimates.medium
.suggestedMaxFeePerGas,
);
});
it('maxFeePerGasFiat is maximum amount that the transaction can cost', () => {
const { result } = renderUseMaxFeePerGasInputHook();
const maximumHexValue = getMaximumGasTotalInHexWei({
gasLimit: decimalToHex('21000'),
maxFeePerGas: '0x5028',
});
expect(result.current.maxFeePerGasFiat).toBe(
convertFromHexToFiat(maximumHexValue),
);
});
it('does not return fiat values if showFiat is false', () => {
useSelector.mockImplementation(
generateUseSelectorRouter({
checkNetworkAndAccountSupports1559Response: true,
shouldShowFiat: false,
}),
);
const { result } = renderUseMaxFeePerGasInputHook();
expect(result.current.maxFeePerGasFiat).toBe('');
});
it('returns 0 if EIP1559 is not supported and legacy gas estimates have been provided', () => {
configureLegacy();
const { result } = renderUseMaxFeePerGasInputHook({
...LEGACY_GAS_ESTIMATE_RETURN_VALUE,
});
expect(result.current.maxFeePerGas).toBe('0');
});
it('returns maxFeePerGas set by user if setMaxFeePerGas is called', () => {
const { result } = renderUseMaxFeePerGasInputHook();
act(() => {
result.current.setMaxFeePerGas(100);
});
expect(result.current.maxFeePerGas).toBe(100);
});
});