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describe('DiscoverQuery', () => { | |
let called; | |
let deferred; | |
let oldFetch; | |
beforeEach(() => { | |
called = defer(); | |
deferred = defer(); | |
oldFetch = window.fetch; | |
window.fetch = jest.fn().mockImplementation(async () => { | |
const ret = await deferred.promise; | |
setImmediate(called.resolve); | |
return ret; | |
}); | |
}); | |
afterEach(() => { | |
cleanup(); | |
window.fetch = oldFetch; | |
}); | |
it('renders DiscoverQuery', async() => { | |
const { getByTestId } = render( | |
<DiscoverQuery> | |
{results => <pre data-testid="json">{JSON.stringify(results, 0, 2)}</pre>} | |
</DiscoverQuery> | |
); | |
deferred.resolve({ | |
ok: true, | |
json: () => Promise.resolve(json), | |
}); | |
await called.promise; | |
expect(getByTestId('json')).toMatchSnapshot(); | |
}); | |
}); |
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