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/**
* Test injectors
*/
import { memoryHistory } from 'react-router-dom';
import React from 'react';
import { Provider } from 'react-redux';
import renderer from 'react-test-renderer';
import { render } from 'react-testing-library';
import configureStore from '../../configureStore';
import injectReducer, { useInjectReducer } from '../injectReducer';
import * as reducerInjectors from '../reducerInjectors';
// Fixtures
const Component = () => null;
const reducer = s => s;
describe('injectReducer decorator', () => {
let store;
let injectors;
let ComponentWithReducer;
beforeAll(() => {
reducerInjectors.default = jest.fn().mockImplementation(() => injectors);
});
beforeEach(() => {
store = configureStore({}, memoryHistory);
injectors = {
injectReducer: jest.fn(),
};
ComponentWithReducer = injectReducer({ key: 'test', reducer })(Component);
reducerInjectors.default.mockClear();
});
it('should inject a given reducer', () => {
renderer.create(
<Provider store={store}>
<ComponentWithReducer />
</Provider>,
);
expect(injectors.injectReducer).toHaveBeenCalledTimes(1);
expect(injectors.injectReducer).toHaveBeenCalledWith('test', reducer);
});
it('should set a correct display name', () => {
expect(ComponentWithReducer.displayName).toBe('withReducer(Component)');
expect(
injectReducer({ key: 'test', reducer })(() => null).displayName,
).toBe('withReducer(Component)');
});
it('should propagate props', () => {
const props = { testProp: 'test' };
const renderedComponent = renderer.create(
<Provider store={store}>
<ComponentWithReducer {...props} />
</Provider>,
);
const {
props: { children },
} = renderedComponent.getInstance();
expect(children.props).toEqual(props);
});
});
describe('useInjectReducer hook', () => {
let store;
let injectors;
let ComponentWithReducer;
beforeAll(() => {
injectors = {
injectReducer: jest.fn(),
};
reducerInjectors.default = jest.fn().mockImplementation(() => injectors);
store = configureStore({}, memoryHistory);
ComponentWithReducer = () => {
useInjectReducer({ key: 'test', reducer });
return null;
};
});
it('should inject a given reducer', () => {
render(
<Provider store={store}>
<ComponentWithReducer />
</Provider>,
);
expect(injectors.injectReducer).toHaveBeenCalledTimes(1);
expect(injectors.injectReducer).toHaveBeenCalledWith('test', reducer);
});
});
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