ra-core/src/export/getRelatedIds.spec.ts

Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React

import expect from 'expect';

import { getRelatedIds } from './getRelatedIds';

describe('getRelatedIds', () => {
    it('should ignore null or undefined values', () => {
        const books = [
            { id: 1, author_id: 123, title: 'Pride and Prejudice' },
            { id: 2, author_id: null },
            { id: 3 },
        ];
        expect(getRelatedIds(books, 'author_id')).toEqual([123]);
    });
    it('should aggregate scalar related ids', () => {
        const books = [
            { id: 1, author_id: 123, title: 'Pride and Prejudice' },
            { id: 2, author_id: 123, title: 'Sense and Sensibility' },
            { id: 3, author_id: 456, title: 'War and Peace' },
        ];
        expect(getRelatedIds(books, 'author_id')).toEqual([123, 456]);
    });
    it('should aggregate arrays of related ids', () => {
        const books = [
            { id: 1, tag_ids: [1, 2], title: 'Pride and Prejudice' },
            { id: 2, tag_ids: [2, 3], title: 'Sense and Sensibility' },
            { id: 3, tag_ids: [4], title: 'War and Peace' },
        ];
        expect(getRelatedIds(books, 'tag_ids')).toEqual([1, 2, 3, 4]);
    });
});