it('returns cached id if unfetched', () => {
const id = 'client:1';
const cachedRootCallMap = {viewer: {'': id}};
const rootCallMap = {};
const records = {};
const store = new RelayRecordStore(
{records},
{rootCallMap, cachedRootCallMap}
);
expect(store.getDataID('viewer')).toBe(id);
});
it('returns undefined if unfetched and not cached', () => {
const records = {};
const store = new RelayRecordStore({records});
expect(store.getDataID('viewer')).toBe(undefined);
});