test.js

const Fastify = require('fastify');
const fetch = require('node-fetch');
const nanoid = require('nanoid');

test('fastify should have decorator nuxt', done => {
    const fastify = Fastify();

    const pl = require('./index');

    fastify.register(pl, {config: { dev: false }}).after(err => {
        expect(err).toBeFalsy();
        expect(fastify.nuxt).toBeDefined();
        done();
    });

    fastify.close();
});

test('should throw if no config is provided', done => {
    const fastify = Fastify();

    const pl = require('./index');

    fastify.register(pl).after(err => {
        expect(err).toBeDefined();
        expect(err.message).toBeDefined();
        expect(err.message).toEqual('You need to provide a nuxt config.');
        done();
    });

    fastify.close();
});

test('page should be reach able', done => {
    const fastify = Fastify();

    const pl = require('./index');

    fastify.register(pl, {config: { dev: false }}).after(err => {
        expect(err).toBeFalsy();
        fastify.nuxt('/');
    });

    fastify.listen(1337, async err => {
        expect(err).toBeFalsy();
        const r = await fetch('http://127.0.0.1:1337/');
        const data = await r.text();
        expect(data).toContain('Nice to meet you');
        fastify.close(() => {
            done();
        });
    });
}, 15000);

test('params should work', done => {
    const fastify = Fastify();

    const pl = require('./index');

    const id = nanoid();

    fastify.register(pl, {config: { dev: false }}).after(err => {
        expect(err).toBeFalsy();
        fastify.nuxt('/test/:id');
    });

    fastify.listen(1337, async err => {
        expect(err).toBeFalsy();
        const r = await fetch('http://127.0.0.1:1337/test/' + id);
        const data = await r.text();
        expect(data).toContain(id);
        fastify.close(() => {
            done();
        });
    });
}, 15000);