@financial-times/n-concept-ids/test/ids.test.js

A place to store concept ids as constants

const ids = require('../src');
const fetch = require('isomorphic-fetch');
const fs = require('fs');
const {THINGS_API_KEY, FT_DEVELOPER_API_URL} = process.env;

describe.each(
	Object.keys(ids).map(type => [type, Object.keys(ids[type]).map(name => [name, ids[type][name]])])
)('Type: %s', (type, members) => {
	if (type === 'collections') {
		expect(members[0][0]).toEqual('podcasts');
		expect(members[0][1]).toContain('e609bfe0-9deb-4deb-ac65-135da462ffd8');
		return; // avoid going into rest of loop
	}
	describe.each(members)('ID: %s', (name, id) => {
		let response;
		let json;

		beforeAll(async () => {
			response = await fetch(`${FT_DEVELOPER_API_URL}/things/${id}`, {
				headers: {
					'x-api-key': THINGS_API_KEY
				}
			});
			json = await response.json();
		});

		it('exists in Things API', () => {
			expect(response.status).toBe(200);
		});

		it('has not been given a new ID', () => {
			expect(json.id.substr(json.id.lastIndexOf('/') + 1 )).toBe(id);
		});

		it(`has the direct type: ${type}`, () => {
			expect(json.directType.substr(json.directType.lastIndexOf('/') + 1 ).toLowerCase()).toBe(type);
		});
	});
});

describe('Data consistency', () => {
	// read the file to check for duplicate IDs with the same key name
	const sourceCode = fs.readFileSync(`${__dirname}/../src/index.js`, { encoding: 'utf8' });
	const ids = sourceCode.match(/[a-z0-9-]{36}/g);
	const checkedIds = [];

	ids.forEach(id => {
		if (checkedIds.includes(id)) return;
		checkedIds.push(id);

		test(`ID ${id} is not a duplicate`, () => {
			expect(ids.filter(givenId => givenId === id).length).toBe(1);
		});
	});
});