vega-frontend-monorepo/libs/wallet/src/connect-dialog/use-chain-id.spec.ts

73 lines
2.0 KiB
TypeScript

import { renderHook, waitFor } from '@testing-library/react';
import { useVegaWallet } from '../use-vega-wallet';
import { useChainId } from './use-chain-id';
global.fetch = jest.fn();
const mockFetch = global.fetch as jest.Mock;
mockFetch.mockImplementation((url: string) => {
return Promise.resolve({ ok: true });
});
jest.mock('../use-vega-wallet', () => {
const original = jest.requireActual('../use-vega-wallet');
return {
...original,
useVegaWallet: jest.fn(),
};
});
describe('useChainId', () => {
it('does not call fetch when statistics url could not be determined', async () => {
(useVegaWallet as jest.Mock).mockReturnValue({
vegaUrl: '',
});
renderHook(() => useChainId());
await waitFor(() => {
expect(mockFetch).toHaveBeenCalledTimes(0);
});
});
it('calls fetch with correct statistics url', async () => {
(useVegaWallet as jest.Mock).mockReturnValue({
vegaUrl: 'http://localhost:1234/graphql',
});
renderHook(() => useChainId());
await waitFor(() => {
expect(mockFetch).toHaveBeenCalledWith(
'http://localhost:1234/statistics'
);
});
});
it('does not return chain id when chain id is not present in response', async () => {
(useVegaWallet as jest.Mock).mockReturnValue({
vegaUrl: 'http://localhost:1234/graphql',
});
const { result } = renderHook(() => useChainId());
await waitFor(() => {
expect(result.current).toBeUndefined();
});
});
it('returns chain id when chain id is present in response', async () => {
(useVegaWallet as jest.Mock).mockReturnValue({
vegaUrl: 'http://localhost:1234/graphql',
});
mockFetch.mockImplementation(() => {
return Promise.resolve({
ok: true,
json: () => ({
statistics: {
chainId: '1234',
},
}),
});
});
const { result } = renderHook(() => useChainId());
await waitFor(() => {
expect(result.current).not.toBeUndefined();
expect(result.current).toEqual('1234');
});
});
});