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import { createMemoryHistory } from 'history';
import React from 'react';
import { ApolloProvider } from '@apollo/react-hooks';
import {
act,
cleanup,
render,
fireEvent,
waitFor,
} from '@testing-library/react';
import SignInForm from './SignInForm';
import { SignInDocument } from '../../graphql/types';
import { mockApolloClient } from '../../test-helpers';
describe('SignInForm', () => {
afterEach(cleanup);
it('enables sign-in button when filled in', async () => {
const history = createMemoryHistory();
const client = mockApolloClient();
let getByTestId: any = null;
act(() => {
getByTestId = render(
<ApolloProvider client={client}>
<SignInForm history={history} />
</ApolloProvider>
).getByTestId;
});
const signInButton = await waitFor(
() => getByTestId('sign-in-button') as HTMLButtonElement
);
const usernameInput = await waitFor(() =>
getByTestId('username-input').querySelector('input')
);
const passwordInput = await waitFor(() =>
getByTestId('password-input').querySelector('input')
);
expect(signInButton.disabled).toEqual(true);
act(() => {
fireEvent.change(usernameInput, { target: { value: 'username' } });
fireEvent.change(passwordInput, { target: { value: 'password' } });
});
await waitFor(() => expect(signInButton.disabled).toEqual(false));
});
it('prints server error if input was wrong', async () => {
const history = createMemoryHistory();
const client = mockApolloClient([
{
request: {
query: SignInDocument,
variables: {
username: 'username',
password: 'password',
},
},
get result() {
throw Error('sign-in failed');
},
},
]);
let getByTestId: any = null;
act(() => {
getByTestId = render(
<ApolloProvider client={client}>
<SignInForm history={history} />
</ApolloProvider>
).getByTestId;
});
const signInButton = await waitFor(
() => getByTestId('sign-in-button') as HTMLButtonElement
);
const usernameInput = await waitFor(() =>
getByTestId('username-input').querySelector('input')
);
const passwordInput = await waitFor(() =>
getByTestId('password-input').querySelector('input')
);
act(() => {
fireEvent.change(usernameInput, { target: { value: 'username' } });
fireEvent.change(passwordInput, { target: { value: 'password' } });
});
await waitFor(() => expect(usernameInput.value).toEqual('username'));
await waitFor(() => expect(passwordInput.value).toEqual('password'));
act(() => {
fireEvent.click(signInButton);
});
const errorMessage = await waitFor(() => getByTestId('error-message'));
await waitFor(() =>
expect(errorMessage.innerHTML).toContain('sign-in failed')
);
});
it('navigates to /chats if everything went right', async () => {
const history = createMemoryHistory();
const client = mockApolloClient([
{
request: {
query: SignInDocument,
variables: {
username: 'username',
password: 'password',
},
},
result: { data: {} },
},
]);
let getByTestId: any = null;
act(() => {
getByTestId = render(
<ApolloProvider client={client}>
<SignInForm history={history} />
</ApolloProvider>
).getByTestId;
});
const usernameInput = await waitFor(() =>
getByTestId('username-input').querySelector('input')
);
const passwordInput = await waitFor(() =>
getByTestId('password-input').querySelector('input')
);
const signInButton = await waitFor(
() => getByTestId('sign-in-button') as HTMLButtonElement
);
act(() => {
fireEvent.change(usernameInput, { target: { value: 'username' } });
fireEvent.change(passwordInput, { target: { value: 'password' } });
});
await waitFor(() => expect(usernameInput.value).toEqual('username'));
await waitFor(() => expect(passwordInput.value).toEqual('password'));
act(() => {
fireEvent.click(signInButton);
});
await waitFor(() => expect(history.location.pathname).toEqual('/chats'));
});
});
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