Differential D9451 Diff 28301 web/cashtab/src/components/Send/__tests__/Send.test.js

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web/cashtab/src/components/Send/tests/Send.test.js

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				import React from 'react';
				import renderer from 'react-test-renderer';
				import { ThemeProvider } from 'styled-components';
				import { theme } from '@assets/styles/theme';
				import Send from '@components/Send/Send';
				import BCHJS from '@psf/bch-js';
				import {
				walletWithBalancesAndTokens,
				walletWithBalancesMock,
				walletWithoutBalancesMock,
				walletWithBalancesAndTokensWithCorrectState,
				walletWithBalancesAndTokensWithEmptyState,
				} from '../../Wallet/__mocks__/walletAndBalancesMock';
				import { BrowserRouter as Router } from 'react-router-dom';

				let realUseContext;
				let useContextMock;

				beforeEach(() => {
				realUseContext = React.useContext;
				useContextMock = React.useContext = jest.fn();

				// Mock method not implemented in JSDOM
				// See reference at https://jestjs.io/docs/manual-mocks#mocking-methods-which-are-not-implemented-in-jsdom
				Object.defineProperty(window, 'matchMedia', {
				writable: true,
				value: jest.fn().mockImplementation(query => ({
				matches: false,
				media: query,
				onchange: null,
				addListener: jest.fn(), // Deprecated
				removeListener: jest.fn(), // Deprecated
				addEventListener: jest.fn(),
				removeEventListener: jest.fn(),
				dispatchEvent: jest.fn(),
				})),
				});
				});

				afterEach(() => {
				React.useContext = realUseContext;
				});

				test('Wallet without BCH balance', () => {
				useContextMock.mockReturnValue(walletWithoutBalancesMock);
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});

				test('Wallet with BCH balances', () => {
				useContextMock.mockReturnValue(walletWithBalancesMock);
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});

				test('Wallet with BCH balances and tokens', () => {
				useContextMock.mockReturnValue(walletWithBalancesAndTokens);
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});

				test('Wallet with BCH balances and tokens and state field', () => {
				useContextMock.mockReturnValue(walletWithBalancesAndTokensWithCorrectState);
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});

				test('Wallet with BCH balances and tokens and state field, but no params in state', () => {
				useContextMock.mockReturnValue(walletWithBalancesAndTokensWithEmptyState);
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});

				test('Without wallet defined', () => {
				useContextMock.mockReturnValue({
				wallet: {},
				balances: { totalBalance: 0 },
				loading: false,
				});
				const testBCH = new BCHJS();
				const component = renderer.create(
				<ThemeProvider theme={theme}>
				<Router>
				<Send jestBCH={testBCH} />
				</Router>
				</ThemeProvider>,
				);
				let tree = component.toJSON();
				expect(tree).toMatchSnapshot();
				});