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- import {mount} from 'enzyme';
- import React from 'react';
- import withApi from 'app/utils/withApi';
- describe('withApi', function() {
- let apiInstance;
- const MyComponent = jest.fn(props => {
- apiInstance = props.api;
- return <div />;
- });
- it('renders MyComponent with an api prop', function() {
- const MyComponentWithApi = withApi(MyComponent);
- mount(<MyComponentWithApi />);
- expect(MyComponent).toHaveBeenCalledWith(
- expect.objectContaining({
- api: expect.anything(),
- }),
- expect.anything()
- );
- });
- it('cancels pending API requests when component is unmounted', function() {
- const MyComponentWithApi = withApi(MyComponent);
- const wrapper = mount(<MyComponentWithApi />);
- jest.spyOn(apiInstance, 'clear');
- expect(apiInstance.clear).not.toHaveBeenCalled();
- wrapper.unmount();
- expect(apiInstance.clear).toHaveBeenCalled();
- apiInstance.clear.mockRestore();
- });
- });
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