DefinitelyTyped/types/cavy/cavy-tests.tsx

import * as React from 'react';
import { TextInput, View, Text } from 'react-native';

import { hook, TestScope, WithTestHook, Tester } from 'cavy';

type Props = WithTestHook<{
  foo: string;
}>;

class SampleComponent extends React.Component<Props> {
  render() {
    return (
      <View ref={this.props.generateTestHook('View.Sample')}>
        <Text>{this.props.foo}</Text>
        <TextInput ref={this.props.generateTestHook("Input.Sample")} />
      </View>
    );
  }
}

const HookedSampleComponent = hook(SampleComponent); // $ExpectType ComponentClass<{ foo: string; }, any>

function sampleSpec(spec: TestScope) {
  spec.describe('it has a name and callback', () => {
    spec.it('it has a name and callback', async () => {
      spec.component.reRender(); // $ExpectType void
      spec.component.clearAsync(); // $ExpectType Promise<void>
      spec.findComponent('View.Sample'); // $ExpectType Promise<Component<{}, {}, any>>
      spec.press('View.Sample'); // $ExpectType Promise<void>
      spec.fillIn('Input.Sample', "hello world"); // $ExpectType Promise<void>
      spec.pause(1000); // $ExpectType Promise<void>
      spec.exists('View.Sample'); // $ExpectType Promise<true>
      spec.notExists('View.MissingSample'); // $ExpectType Promise<true>
    });
  });
}

<Tester specs={[sampleSpec]} waitTime={42}>
  <HookedSampleComponent foo="test" />
</Tester>;