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useReference.spec.tsx
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useReference.spec.tsx
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import * as React from 'react';
import expect from 'expect';
import { renderWithRedux } from 'ra-test';
import useReference from './useReference';
import { DataProviderContext } from '../dataProvider';
const UseReference = ({ callback = null, ...rest }) => {
const hookValue = useReference(rest as any);
if (callback) callback(hookValue);
return <div>hello</div>;
};
describe('useReference', () => {
const defaultProps = {
id: '1',
reference: 'posts',
};
it('should fetch reference on mount', async () => {
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
const { dispatch } = renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
expect(dispatch).toBeCalledTimes(5);
expect(dispatch.mock.calls[0][0].type).toBe('RA/CRUD_GET_MANY');
});
it('should not refetch reference on update', async () => {
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
const { dispatch, rerender } = renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
rerender(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
expect(dispatch).toBeCalledTimes(5);
});
it('should refetch reference when id changes', async () => {
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
const { dispatch, rerender } = renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
rerender(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} id={2} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
expect(dispatch).toBeCalledTimes(10);
});
it('should refetch reference when reference prop changes', async () => {
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
const { dispatch, rerender } = renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
rerender(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} reference="comments" />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
expect(dispatch).toBeCalledTimes(10);
});
it('it should not refetch reference when other props change', async () => {
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
const { dispatch, rerender } = renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
rerender(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} className="foobar" />
</DataProviderContext.Provider>
);
await new Promise(resolve => setTimeout(resolve));
expect(dispatch).toBeCalledTimes(5);
});
it('should retrieve referenceRecord from redux state', () => {
const hookValue = jest.fn();
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} callback={hookValue} />
</DataProviderContext.Provider>,
{
admin: {
resources: {
posts: { data: { 1: { id: 1 }, 2: { id: 2 } } },
},
},
}
);
expect(hookValue.mock.calls[0][0]).toEqual({
referenceRecord: { id: 1 },
loading: true,
loaded: true,
error: null,
});
});
it('should set loading to true if no referenceRecord yet', () => {
const hookValue = jest.fn();
const dataProvider = {
getMany: jest.fn(() =>
Promise.resolve({ data: [{ id: 1, title: 'foo' }] })
),
};
renderWithRedux(
<DataProviderContext.Provider value={dataProvider}>
<UseReference {...defaultProps} callback={hookValue} />
</DataProviderContext.Provider>,
{
admin: {
resources: {
posts: { data: {} },
},
},
}
);
expect(hookValue.mock.calls[0][0]).toEqual({
referenceRecord: undefined,
loading: true,
loaded: false,
error: null,
});
});
});