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Harden tests (...a bit)

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This commit is contained in:
mrkishi
2019-05-08 00:57:59 -03:00
parent 8bdd363a19
commit e6c1a54164
35 changed files with 726 additions and 685 deletions
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9
test/apps/preloading/src/server.js
View File

@@ -1,8 +1,9 @@
import polka from 'polka';
import * as sapper from '@sapper/server';
const { PORT } = process.env;
import { start } from '../../common.js';
polka()
.use(sapper.middleware())
.listen(PORT);
const app = polka()
.use(sapper.middleware());
start(app);

116
test/apps/preloading/test.ts
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@@ -1,7 +1,5 @@
import * as assert from 'assert';
import * as puppeteer from 'puppeteer';
import { build } from '../../../api';
import { wait } from '../../utils';
import { AppRunner } from '../AppRunner';
declare const fulfil: () => Promise<void>;
@@ -9,112 +7,106 @@ declare const fulfil: () => Promise<void>;
describe('preloading', function() {
this.timeout(10000);
let runner: AppRunner;
let page: puppeteer.Page;
let base: string;
// helpers
let start: () => Promise<void>;
let prefetchRoutes: () => Promise<void>;
let title: () => Promise<string>;
let r: AppRunner;
// hooks
before(async () => {
await build({ cwd: __dirname });
runner = new AppRunner(__dirname, '__sapper__/build/server/server.js');
({ base, page, start, prefetchRoutes, title } = await runner.start());
before('build app', () => build({ cwd: __dirname }));
before('start runner', async () => {
r = await new AppRunner().start(__dirname);
});
after(() => runner.end());
after(() => r && r.end());
// tests
it('serializes Set objects returned from preload', async () => {
await page.goto(`${base}/preload-values/set`);
await r.load('/preload-values/set');
assert.equal(await title(), 'true');
assert.equal(await r.text('h1'), 'true');
await start();
assert.equal(await title(), 'true');
await r.sapper.start();
assert.equal(await r.text('h1'), 'true');
});
it('prevent crash if preload return nothing', async () => {
await page.goto(`${base}/preload-nothing`);
await r.load('/preload-nothing');
await start();
await wait(50);
await r.sapper.start();
assert.equal(await title(), 'Page loaded');
assert.equal(await r.text('h1'), 'Page loaded');
});
it('bails on custom classes returned from preload', async () => {
await page.goto(`${base}/preload-values/custom-class`);
await r.load('/preload-values/custom-class');
assert.equal(await title(), '42');
assert.equal(await r.text('h1'), '42');
await start();
assert.equal(await title(), '42');
await r.sapper.start();
assert.equal(await r.text('h1'), '42');
});
it('sets preloading true when appropriate', async () => {
await page.goto(base);
await start();
await prefetchRoutes();
await r.load('/');
await r.sapper.start();
await r.sapper.prefetchRoutes();
await page.click('a[href="slow-preload"]');
await r.page.click('a[href="slow-preload"]');
assert.ok(await page.evaluate(() => !!document.querySelector('progress')));
assert.ok(await r.page.evaluate(() => !!document.querySelector('progress')));
await page.evaluate(() => fulfil());
assert.ok(await page.evaluate(() => !document.querySelector('progress')));
await r.page.evaluate(() => fulfil());
assert.ok(await r.page.evaluate(() => !document.querySelector('progress')));
});
it('runs preload in root component', async () => {
await page.goto(`${base}/preload-root`);
assert.equal(await title(), 'root preload function ran: true');
await r.load('/preload-root');
assert.equal(await r.text('h1'), 'root preload function ran: true');
});
it('cancels navigation if subsequent navigation occurs during preload', async () => {
await page.goto(base);
await start();
await prefetchRoutes();
await r.load('/');
await r.sapper.start();
await r.sapper.prefetchRoutes();
await page.click('a[href="slow-preload"]');
await wait(100);
await page.click('a[href="foo"]');
await r.page.click('a[href="slow-preload"]');
await r.wait();
await r.page.click('a[href="foo"]');
assert.equal(page.url(), `${base}/foo`);
assert.equal(await title(), 'foo');
assert.equal(r.page.url(), `${r.base}/foo`);
assert.equal(await r.text('h1'), 'foo');
await page.evaluate(() => fulfil());
await wait(100);
assert.equal(page.url(), `${base}/foo`);
assert.equal(await title(), 'foo');
await r.page.evaluate(() => fulfil());
await r.wait();
assert.equal(r.page.url(), `${r.base}/foo`);
assert.equal(await r.text('h1'), 'foo');
});
it('navigates to prefetched urls', async () => {
await page.goto(base);
await start();
await prefetchRoutes();
await r.load('/');
await r.sapper.start();
await r.sapper.prefetchRoutes();
await page.hover('a[href="prefetch/qwe"]');
await wait(100);
await page.hover('a[href="prefetch/xyz"]');
await wait(100);
await r.page.hover('a[href="prefetch/qwe"]');
await r.wait(50);
await r.page.hover('a[href="prefetch/xyz"]');
await r.wait(50);
await page.click('a[href="prefetch/qwe"]');
await wait(50);
await r.page.click('a[href="prefetch/qwe"]');
await r.wait();
assert.equal(
await title(),
await r.text('h1'),
'qwe'
);
await page.goto(`${base}/prefetch`);
await wait(50);
await r.load('/prefetch');
assert.equal(
await title(),
await r.text('h1'),
'prefetch'
);
});
it('survives the tests with no server errors', () => {
assert.deepEqual(r.errors, []);
});
});