Testing with Jest

Question

I am having hard times trying to figure out how to write tests for forms using the datetime picker component and I couldn’t really find any examples online. Wouldn’t it be useful to include a simple example in the docs? I am using jest and react-native-testing-library. The problem is that every time I open the datetime picker in my tests it throws an error: TypeError: this._picker.current.setNativeProps is not a function.

I am not really sure if I can mock this call out or what the recommended approach would be.

[Andarius]

FYI this works to mock (https://jestjs.io/docs/en/tutorial-react-native#mock-native-modules-using-jestmock)

jest.mock('@react-native-community/datetimepicker', function () {
    const mockComponent = require('react-native/jest/mockComponent')
    return mockComponent('@react-native-community/datetimepicker')
})

[sritharIOS]

const timePicker = await component.findByTestId(‘dateTimePicker’); fireEvent(timePicker, ‘onChange’, { nativeEvent: { timestamp: ‘01/01/1976’ } });