/
requestinterception.js
670 lines (610 loc) · 19.2 KB
/
requestinterception.js
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import test from 'ava'
import fileUrl from 'file-url'
import * as fs from 'fs-extra'
import * as utils from './helpers/utils'
import { TestHelper } from './helpers'
function pathToFileURL (path) {
return fileUrl(path)
}
/** @type {TestHelper} */
let helper
test.serial.before(async t => {
helper = await TestHelper.withHTTP(t)
})
test.serial.beforeEach(async t => {
t.context.browser = helper.browser()
t.context.server = helper.server()
t.context.page = await helper.newPage()
t.context.toBeGolden = (t, what, filePath) => {
const results = helper.toBeGolden(what, filePath)
t.true(results.pass, results.message)
}
})
test.serial.afterEach.always(async t => {
await helper.cleanup()
})
test.after.always(async t => {
await helper.end()
})
test.serial('Page.setRequestInterception should intercept', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
if (utils.isFavicon(request)) {
request.continue()
return
}
t.true(request.url().includes('empty.html'))
t.truthy(request.normalizedHeaders()['user-agent'])
t.is(request.method(), 'GET')
t.falsy(request.postData())
t.true(request.isNavigationRequest())
t.is(request.resourceType(), 'document')
t.true(request.frame() === page.mainFrame())
t.is(request.frame().url(), 'about:blank')
request.continue()
})
const response = await page.goto(server.EMPTY_PAGE)
t.true(response.ok())
t.is(response.remoteAddress().port, server.PORT)
})
test.serial(
'Page.setRequestInterception should work when POST is redirected with 302',
async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(true)
page.on('request', request => request.continue())
await page.setContent(`
<form action='/rredirect' method='post'>
<input type="hidden" id="foo" name="foo" value="FOOBAR">
</form>
`)
await Promise.all([
page.$eval('form', form => form.submit()),
page.waitForNavigation()
])
t.pass()
}
)
test.serial.skip(
'Page.setRequestInterception should work when header manipulation headers with redirect',
async t => {
const { page, server } = t.context
page.on('request', request => {
if (!request.url().endsWith('/redirectToEmpty')) return
const headers = Object.assign({}, request.headers(), {
foo: 'bar'
})
request.continue({
headers
})
})
await page.goto(server.PREFIX + '/interceptMe.html')
await page.setRequestInterception(true)
const results = await page.evaluate(() => window.results())
t.deepEqual(results, { error: false })
}
)
test.serial(
'Page.setRequestInterception should contain referer header',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
if (!utils.isFavicon(request)) requests.push(request)
request.continue()
})
await page.goto(server.PREFIX + '/one-style.html')
t.true(requests[1].url().includes('/one-style.css'))
t.true(requests[1].normalizedHeaders().referer.includes('/one-style.html'))
}
)
test.serial(
'Page.setRequestInterception should properly return navigation response when URL has cookies',
async t => {
const { page, server } = t.context
// Setup cookie.
await page.goto(server.EMPTY_PAGE)
await page.setCookie({ name: 'foo', value: 'bar' })
// Setup request interception.
await page.setRequestInterception(true)
page.on('request', request => request.continue())
const response = await page.reload()
t.is(response.status(), 200)
}
)
test.serial('Page.setRequestInterception should stop intercepting', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.once('request', request => request.continue())
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(false)
await page.goto(server.EMPTY_PAGE)
t.pass()
})
test.serial(
'Page.setRequestInterception should show custom HTTP headers',
async t => {
const { page, server } = t.context
await page.setExtraHTTPHeaders({
foo: 'bar'
})
await page.setRequestInterception(true)
page.on('request', request => {
t.is(request.headers()['foo'], 'bar')
request.continue()
})
const response = await page.goto(server.EMPTY_PAGE)
t.true(response.ok())
}
)
test.serial(
'Page.setRequestInterception should works with customizing referer headers',
async t => {
const { page, server } = t.context
await page.setExtraHTTPHeaders({ referer: server.EMPTY_PAGE })
await page.setRequestInterception(true)
page.on('request', request => {
t.is(request.headers()['referer'], server.EMPTY_PAGE)
request.continue()
})
const response = await page.goto(server.EMPTY_PAGE)
t.true(response.ok())
}
)
test.serial('Page.setRequestInterception should be abortable', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
if (request.url().endsWith('.css')) request.abort()
else request.continue()
})
let failedRequests = 0
page.on('requestfailed', event => ++failedRequests)
const response = await page.goto(server.PREFIX + '/one-style.html')
t.true(response.ok())
t.falsy(response.request().failure())
t.is(failedRequests, 1)
})
test.serial.skip(
'Page.setRequestInterception should be abortable with custom error codes',
async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
let failedRequest = null
page.on('requestfailed', request => (failedRequest = request))
page.on('request', request => {
request.abort('internetdisconnected')
})
await page.setRequestInterception(true)
await page.evaluate(
url =>
fetch(url, {
method: 'GET'
}),
server.EMPTY_PAGE
)
t.pass()
t.truthy(failedRequest)
t.is(failedRequest.failure().errorText, 'net::ERR_INTERNET_DISCONNECTED')
}
)
test.serial('Page.setRequestInterception should send referer', async t => {
const { page, server } = t.context
await page.setExtraHTTPHeaders({
referer: 'http://google.com/'
})
await page.setRequestInterception(true)
page.on('request', request => request.continue())
const [request] = await Promise.all([
server.waitForRequest('/grid.html'),
page.goto(server.PREFIX + '/grid.html')
])
t.is(request.headers['referer'], 'http://google.com/')
})
test.serial(
'Page.setRequestInterception should fail navigation when aborting main resource',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => request.abort())
let error = null
await page.goto(server.EMPTY_PAGE).catch(e => (error = e))
t.truthy(error)
t.true(error.message.includes('net::ERR_FAILED'))
}
)
test.serial(
'Page.setRequestInterception should work with redirects',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
request.continue()
requests.push(request)
})
const response = await page.goto(server.PREFIX + '/non-existing-page.html')
t.is(response.status(), 200)
t.true(response.url().includes('empty.html'))
t.is(requests.length, 5)
t.is(requests[2].resourceType(), 'document')
// Check redirect chain
const redirectChain = response.request().redirectChain()
t.is(redirectChain.length, 4)
t.true(redirectChain[0].url().includes('/non-existing-page.html'))
t.true(redirectChain[2].url().includes('/non-existing-page-3.html'))
for (let i = 0; i < redirectChain.length; ++i) {
const request = redirectChain[i]
t.true(request.isNavigationRequest())
t.is(request.redirectChain().indexOf(request), i)
}
}
)
test.serial(
'Page.setRequestInterception should work with redirects for subresources',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
request.continue()
if (!utils.isFavicon(request)) requests.push(request)
})
const response = await page.goto(server.PREFIX + '/redir-css.html')
t.is(response.status(), 200)
t.true(response.url().includes('redir-css.html'))
t.is(requests.length, 5)
t.is(requests[0].resourceType(), 'document')
t.is(requests[1].resourceType(), 'stylesheet')
// Check redirect chain
const redirectChain = requests[1].redirectChain()
t.is(redirectChain.length, 3)
t.true(redirectChain[0].url().includes('/style-redir-1.css'))
t.true(redirectChain[2].url().includes('/style-redir-3.css'))
}
)
test.serial(
'Page.setRequestInterception should be able to abort redirects',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
if (request.url().includes('non-existing-2')) request.abort()
else request.continue()
})
await page.goto(server.EMPTY_PAGE)
const result = await page.evaluate(async () => {
try {
await fetch('/non-existing.json')
} catch (e) {
return e.message
}
})
t.true(result.includes('Failed to fetch'))
}
)
test.serial(
'Page.setRequestInterception should work with equal requests',
async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(true)
let spinner = false // Cancel 2nd request.
page.on('request', request => {
if (utils.isFavicon(request)) {
request.continue()
return
}
spinner ? request.abort() : request.continue()
spinner = !spinner
})
const results = await page.evaluate(() =>
Promise.all([
fetch('/zzz')
.then(response => response.text())
.catch(e => 'FAILED'),
fetch('/zzz')
.then(response => response.text())
.catch(e => 'FAILED'),
fetch('/zzz')
.then(response => response.text())
.catch(e => 'FAILED')
])
)
t.deepEqual(results, ['zzz', 'FAILED', 'zzz'])
}
)
test.serial(
'Page.setRequestInterception should navigate to dataURL and fire dataURL requests',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
requests.push(request)
request.continue()
})
const dataURL = 'data:text/html,<div>yo</div>'
const response = await page.goto(dataURL)
t.is(response.status(), 200)
t.is(requests.length, 1)
t.is(requests[0].url(), dataURL)
}
)
test.serial(
'Page.setRequestInterception should navigate to URL with hash and and fire requests with hash',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
requests.push(request)
request.continue()
})
const response = await page.goto(server.EMPTY_PAGE + '#hash')
t.is(response.status(), 200)
t.is(response.url(), server.EMPTY_PAGE)
t.is(requests.length, 1)
t.is(requests[0].url(), server.EMPTY_PAGE + '#hash')
}
)
test.serial(
'Page.setRequestInterception should work with encoded server',
async t => {
const { page, server } = t.context
// The requestWillBeSent will report encoded URL, whereas interception will
// report URL as-is. @see crbug.com/759388
await page.setRequestInterception(true)
page.on('request', request => request.continue())
const response = await page.goto(server.PREFIX + '/some nonexisting page')
t.is(response.status(), 404)
}
)
test.serial(
'Page.setRequestInterception should work with badly encoded server',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => request.continue())
const response = await page.goto(server.PREFIX + '/malformed?rnd=%911')
t.is(response.status(), 200)
}
)
test.serial(
'Page.setRequestInterception should work with encoded server - 2',
async t => {
const { page, server } = t.context
// The requestWillBeSent will report URL as-is, whereas interception will
// report encoded URL for stylesheet. @see crbug.com/759388
await page.setRequestInterception(true)
const requests = []
page.on('request', request => {
request.continue()
requests.push(request)
})
const response = await page.goto(
`data:text/html,<link rel="stylesheet" href="${
server.PREFIX
}/fonts?helvetica|arial"/>`
)
t.is(response.status(), 200)
t.is(requests.length, 2)
t.is(requests[1].response().status(), 404)
}
)
test.serial(
'Page.setRequestInterception should not throw "Invalid Interception Id" if the request was cancelled',
async t => {
const { page, server } = t.context
await page.setContent('<iframe></iframe>')
await page.setRequestInterception(true)
let request = null
page.on('request', r => (request = r))
page.$eval('iframe', (frame, url) => (frame.src = url), server.EMPTY_PAGE) // Wait for request interception.
await utils.waitEvent(page, 'request') // Delete frame to cause request to be canceled.
await page.$eval('iframe', frame => frame.remove())
let error = null
await request.continue().catch(e => (error = e))
t.falsy(error)
}
)
test.serial(
'Page.setRequestInterception should throw if interception is not enabled',
async t => {
const { page, server } = t.context
let error = null
page.on('request', async request => {
try {
await request.continue()
} catch (e) {
error = e
}
})
await page.goto(server.EMPTY_PAGE)
t.true(error.message.includes('Request Interception is not enabled'))
}
)
test.serial(
'Page.setRequestInterception should work with file URLs',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
const urls = new Set()
page.on('request', request => {
urls.add(
request
.url()
.split('/')
.pop()
)
request.continue()
})
await page.goto(pathToFileURL(utils.assetPath('one-style.html')))
t.is(urls.size, 2)
t.true(urls.has('one-style.html'))
t.true(urls.has('one-style.css'))
}
)
test.serial('Request.continue should work', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => request.continue())
await page.goto(server.EMPTY_PAGE)
t.pass()
})
test.serial('Request.continue should amend HTTP headers', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
const headers = Object.assign({}, request.headers())
headers['FOO'] = 'bar'
request.continue({ headers })
})
await page.goto(server.EMPTY_PAGE)
const [request] = await Promise.all([
server.waitForRequest('/sleep.zzz'),
page.evaluate(() => fetch('/sleep.zzz'))
])
t.is(request.headers['foo'], 'bar')
})
test.serial(
'Request.continue should redirect in a way non-observable to page',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
const redirectURL = request.url().includes('/empty.html')
? server.PREFIX + '/consolelog.html'
: undefined
request.continue({ url: redirectURL })
})
let consoleMessage = null
page.on('console', msg => (consoleMessage = msg))
await page.goto(server.EMPTY_PAGE)
t.is(page.url(), server.EMPTY_PAGE)
t.is(consoleMessage.text(), 'yellow')
}
)
test.serial('Request.continue should amend method', async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(true)
page.on('request', request => {
request.continue({ method: 'POST' })
})
const [request] = await Promise.all([
server.waitForRequest('/sleep.zzz'),
page.evaluate(() => fetch('/sleep.zzz'))
])
t.is(request.req.method, 'POST')
})
test.serial('Request.continue should amend post data', async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(true)
page.on('request', request => {
request.continue({ postData: 'doggo' })
})
const [request] = await Promise.all([
server.waitForRequest('/sleep.zzz'),
page.evaluate(() =>
fetch('/sleep.zzz', {
method: 'POST',
body: 'birdy'
})
)
])
t.is(request.body, 'doggo')
})
test.serial(
'Request.continue should amend both post data and method on navigation',
async t => {
const { page, server } = t.context
await page.goto(server.EMPTY_PAGE)
await page.setRequestInterception(true)
page.on('request', request => {
request.continue({ method: 'POST', postData: 'doggo' })
})
const [request] = await Promise.all([
server.waitForRequest('/sleep.zzz'),
page.evaluate(() =>
fetch('/sleep.zzz', {
method: 'POST',
body: 'birdy'
})
)
])
// t.log(serverRequest.req)
t.is(request.body, 'doggo')
t.is(request.raw.method, 'POST')
}
)
test.serial('Request.respond should work', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
request.respond({
status: 201,
headers: {
foo: 'bar'
},
body: 'Yo, page!'
})
})
const response = await page.goto(server.EMPTY_PAGE)
t.is(response.status(), 201)
t.is(response.headers().foo, 'bar')
const testResult = await page.evaluate(() => document.body.textContent)
t.is(testResult, 'Yo, page!')
})
test.serial('Request.respond should redirect', async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
if (!request.url().includes('rrredirect')) {
request.continue()
return
}
request.respond({
status: 302,
headers: {
location: server.EMPTY_PAGE
}
})
})
const response = await page.goto(server.PREFIX + '/rrredirect')
t.is(response.request().redirectChain().length, 1)
t.is(
response
.request()
.redirectChain()[0]
.url(),
server.PREFIX + '/rrredirect'
)
t.is(response.url(), server.EMPTY_PAGE)
})
test.serial(
'Request.respond should allow mocking binary responses',
async t => {
const { page, server } = t.context
await page.setRequestInterception(true)
page.on('request', request => {
const imageBuffer = fs.readFileSync(utils.assetPath('pptr.png'))
request.respond({
contentType: 'image/png',
body: imageBuffer
})
})
await page.evaluate(PREFIX => {
const img = document.createElement('img')
img.src = PREFIX + '/does-not-exist.png'
document.body.appendChild(img)
return new Promise(fulfill => (img.onload = fulfill))
}, server.PREFIX)
const img = await page.$('img')
t.context.toBeGolden(t, await img.screenshot(), 'mock-binary-response.png')
}
)