mirror of
https://github.com/kevin-DL/sapper.git
synced 2026-01-11 19:04:30 +00:00
509 lines
12 KiB
JavaScript
509 lines
12 KiB
JavaScript
const path = require('path');
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const assert = require('assert');
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const Nightmare = require('nightmare');
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const express = require('express');
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const serve = require('serve-static');
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const walkSync = require('walk-sync');
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const fetch = require('node-fetch');
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run('production');
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run('development');
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Nightmare.action('page', {
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title(done) {
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this.evaluate_now(() => document.querySelector('h1').textContent, done);
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},
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text(done) {
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this.evaluate_now(() => document.body.textContent, done);
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}
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});
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Nightmare.action('init', function(done) {
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this.evaluate_now(() => window.init(), done);
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});
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function run(env) {
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describe(`env=${env}`, function () {
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this.timeout(20000);
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let PORT;
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let proc;
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let nightmare;
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let capture;
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let base;
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before(() => {
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process.chdir(path.resolve(__dirname, '../app'));
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let exec_promise = Promise.resolve();
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if (env === 'production') {
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const cli = path.resolve(__dirname, '../../cli.js');
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exec_promise = exec(`node ${cli} export`);
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}
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return exec_promise.then(() => {
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const resolved = require.resolve('../../middleware.js');
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delete require.cache[resolved];
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delete require.cache[require.resolve('../../core.js')]; // TODO remove this
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return require('get-port')();
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}).then(port => {
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base = `http://localhost:${port}`;
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proc = require('child_process').fork('.sapper/server.js', {
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cwd: process.cwd(),
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env: {
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NODE_ENV: env,
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PORT: port
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}
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});
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let handler;
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proc.on('message', message => {
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if (message.__sapper__) return;
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if (handler) handler(message);
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});
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capture = fn => {
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return new Promise((fulfil, reject) => {
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const captured = [];
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let start = Date.now();
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handler = message => {
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if (message.type === 'ready') {
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fn().then(() => {
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proc.send({
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action: 'end'
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});
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}, reject);
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}
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else if (message.type === 'done') {
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fulfil(captured);
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handler = null;
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}
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else {
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captured.push(message);
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}
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};
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proc.send({
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action: 'start'
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});
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});
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};
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});
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});
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after(() => {
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proc.kill();
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// give a chance to clean up
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return new Promise(fulfil => setTimeout(fulfil, 500));
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});
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beforeEach(() => {
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nightmare = new Nightmare();
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nightmare.on('console', (type, ...args) => {
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console[type](...args);
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});
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nightmare.on('page', (type, ...args) => {
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if (type === 'error') {
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console.error(args[1]);
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} else {
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console.warn(type, args);
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}
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});
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});
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afterEach(() => {
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return nightmare.end();
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});
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describe('basic functionality', () => {
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it('serves /', () => {
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return nightmare.goto(base).page.title().then(title => {
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assert.equal(title, 'Great success!');
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});
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});
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it('serves /?', () => {
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return nightmare.goto(`${base}?`).page.title().then(title => {
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assert.equal(title, 'Great success!');
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});
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});
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it('serves static route', () => {
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return nightmare.goto(`${base}/about`).page.title().then(title => {
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assert.equal(title, 'About this site');
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});
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});
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it('serves dynamic route', () => {
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return nightmare.goto(`${base}/blog/what-is-sapper`).page.title().then(title => {
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assert.equal(title, 'What is Sapper?');
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});
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});
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it('navigates to a new page without reloading', () => {
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return capture(() => nightmare.goto(base).init().wait(400))
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.then(() => {
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return capture(() => nightmare.click('a[href="/about"]'));
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})
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.then(requests => {
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assert.deepEqual(requests.map(r => r.url), []);
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return nightmare.path();
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})
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.then(path => {
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assert.equal(path, '/about');
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return nightmare.title();
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})
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.then(title => {
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assert.equal(title, 'About');
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});
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});
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it('navigates programmatically', () => {
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return nightmare
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.goto(`${base}/about`)
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.init()
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.click('.goto')
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.wait(() => window.location.pathname === '/blog/what-is-sapper')
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.wait(100)
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.title()
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.then(title => {
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assert.equal(title, 'What is Sapper?');
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});
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});
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it('prefetches programmatically', () => {
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return nightmare
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.goto(`${base}/about`)
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.init()
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.wait(200)
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.then(() => {
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return capture(() => {
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return nightmare
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.click('.prefetch')
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.wait(200);
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});
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})
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.then(requests => {
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assert.ok(!!requests.find(r => r.url === '/blog/why-the-name.json'));
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});
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});
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it('scrolls to active deeplink', () => {
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return nightmare
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.goto(`${base}/blog/a-very-long-post#four`)
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.init()
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.evaluate(() => window.scrollY)
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.then(scrollY => {
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assert.ok(scrollY > 0, scrollY);
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});
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});
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it('reuses prefetch promise', () => {
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return nightmare
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.goto(`${base}/blog`)
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.init().wait(300)
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.then(() => {
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return capture(() => {
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return nightmare
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.mouseover('[href="/blog/what-is-sapper"]')
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.wait(200);
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});
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})
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.then(mouseover_requests => {
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assert.ok(mouseover_requests.findIndex(r => r.url === '/blog/what-is-sapper.json') !== -1);
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return capture(() => {
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return nightmare
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.click('[href="/blog/what-is-sapper"]')
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.wait(200);
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});
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})
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.then(click_requests => {
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assert.ok(click_requests.findIndex(r => r.url === '/blog/what-is-sapper.json') === -1);
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});
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});
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it('cancels navigation if subsequent navigation occurs during preload', () => {
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return nightmare
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.goto(base)
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.init()
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.click('a[href="/slow-preload"]')
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.wait(100)
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.click('a[href="/about"]')
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.wait(100)
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.then(() => nightmare.path())
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.then(path => {
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assert.equal(path, '/about');
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return nightmare.title();
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})
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.then(title => {
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assert.equal(title, 'About');
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return nightmare.evaluate(() => window.fulfil({})).wait(100);
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})
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.then(() => nightmare.path())
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.then(path => {
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assert.equal(path, '/about');
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return nightmare.title();
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})
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.then(title => {
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assert.equal(title, 'About');
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});
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});
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it('passes entire request object to preload', () => {
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return nightmare
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.goto(`${base}/show-url`)
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.init()
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.evaluate(() => document.querySelector('p').innerHTML)
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.end().then(html => {
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assert.equal(html, `URL is /show-url`);
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});
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});
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it('calls a delete handler', () => {
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return nightmare
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.goto(`${base}/delete-test`)
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.init()
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.click('.del')
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.wait(() => window.deleted)
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.evaluate(() => window.deleted.id)
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.then(id => {
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assert.equal(id, 42);
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});
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});
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it('hydrates initial route', () => {
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return nightmare.goto(base)
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.wait('.hydrate-test')
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.evaluate(() => {
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window.el = document.querySelector('.hydrate-test');
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})
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.init()
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.evaluate(() => {
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return document.querySelector('.hydrate-test') === window.el;
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})
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.then(matches => {
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assert.ok(matches);
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});
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});
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it('redirects on server', () => {
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return nightmare.goto(`${base}/redirect-from`)
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.path()
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.then(path => {
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assert.equal(path, '/redirect-to');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'redirected');
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});
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});
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it('redirects in client', () => {
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return nightmare.goto(base)
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.wait('[href="/redirect-from"]')
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.click('[href="/redirect-from"]')
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.wait(200)
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.path()
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.then(path => {
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assert.equal(path, '/redirect-to');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'redirected');
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});
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});
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it('handles 4xx error on server', () => {
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return nightmare.goto(`${base}/blog/nope`)
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.path()
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.then(path => {
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assert.equal(path, '/blog/nope');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'Not found')
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});
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});
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it('handles 4xx error in client', () => {
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return nightmare.goto(base)
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.init()
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.click('[href="/blog/nope"]')
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.wait(200)
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.path()
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.then(path => {
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assert.equal(path, '/blog/nope');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'Not found');
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});
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});
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it('handles non-4xx error on server', () => {
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return nightmare.goto(`${base}/blog/throw-an-error`)
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.path()
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.then(path => {
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assert.equal(path, '/blog/throw-an-error');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'Internal server error')
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});
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});
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it('handles non-4xx error in client', () => {
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return nightmare.goto(base)
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.init()
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.click('[href="/blog/throw-an-error"]')
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.wait(200)
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.path()
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.then(path => {
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assert.equal(path, '/blog/throw-an-error');
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})
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.then(() => nightmare.page.title())
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.then(title => {
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assert.equal(title, 'Internal server error');
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});
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});
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it('does not attempt client-side navigation to server routes', () => {
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return nightmare.goto(`${base}/blog/how-is-sapper-different-from-next`)
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.init()
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.click(`[href="/blog/how-is-sapper-different-from-next.json"]`)
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.wait(200)
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.page.text()
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.then(text => {
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JSON.parse(text);
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});
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});
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it('does not serve error page for non-page errors', () => {
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return nightmare.goto(`${base}/throw-an-error`)
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.page.text()
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.then(text => {
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assert.equal(text, 'nope');
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});
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});
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});
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describe('headers', () => {
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it('sets Content-Type and Link...preload headers', () => {
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return capture(() => nightmare.goto(base).end()).then(requests => {
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const { headers } = requests[0];
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assert.equal(
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headers['content-type'],
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'text/html'
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);
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assert.ok(
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/<\/client\/[^/]+\/main\.js>;rel="preload";as="script", <\/client\/[^/]+\/_\.\d+\.js>;rel="preload";as="script"/.test(headers['link']),
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headers['link']
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);
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});
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});
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});
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if (env === 'production') {
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describe('export', () => {
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it('export all pages', () => {
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const dest = path.resolve(__dirname, '../app/export');
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// Pages that should show up in the extraction directory.
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const expectedPages = [
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'index.html',
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'about/index.html',
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'slow-preload/index.html',
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'blog/index.html',
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'blog/a-very-long-post/index.html',
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'blog/how-can-i-get-involved/index.html',
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'blog/how-is-sapper-different-from-next/index.html',
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'blog/how-to-use-sapper/index.html',
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'blog/what-is-sapper/index.html',
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'blog/why-the-name/index.html',
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'blog.json',
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'blog/a-very-long-post.json',
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'blog/how-can-i-get-involved.json',
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'blog/how-is-sapper-different-from-next.json',
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'blog/how-to-use-sapper.json',
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'blog/what-is-sapper.json',
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'blog/why-the-name.json',
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'favicon.png',
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'global.css',
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'great-success.png',
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'manifest.json',
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'service-worker.js',
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'svelte-logo-192.png',
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'svelte-logo-512.png',
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];
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// Client scripts that should show up in the extraction directory.
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const expectedClientRegexes = [
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/client\/[^/]+\/_(\.\d+)?\.js/,
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/client\/[^/]+\/about(\.\d+)?\.js/,
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/client\/[^/]+\/blog_\$slug\$(\.\d+)?\.js/,
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/client\/[^/]+\/blog(\.\d+)?\.js/,
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/client\/[^/]+\/main(\.\d+)?\.js/,
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/client\/[^/]+\/show_url(\.\d+)?\.js/,
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/client\/[^/]+\/slow_preload(\.\d+)?\.js/,
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];
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const allPages = walkSync(dest);
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expectedPages.forEach((expectedPage) => {
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assert.ok(allPages.includes(expectedPage),`Could not find page matching ${expectedPage}`);
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});
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expectedClientRegexes.forEach((expectedRegex) => {
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// Ensure each client page regular expression matches at least one
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// generated page.
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let matched = false;
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for (const page of allPages) {
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if (expectedRegex.test(page)) {
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matched = true;
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break;
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}
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}
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assert.ok(matched, `Could not find client page matching ${expectedRegex}`);
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});
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});
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});
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}
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});
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}
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|
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function exec(cmd) {
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return new Promise((fulfil, reject) => {
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const parts = cmd.split(' ');
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const proc = require('child_process').spawn(parts.shift(), parts);
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proc.stdout.on('data', data => {
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process.stdout.write(data);
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});
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proc.stderr.on('data', data => {
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process.stderr.write(data);
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});
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proc.on('error', reject);
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proc.on('close', () => fulfil());
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});
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}
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