1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import fs from 'fs';
import zlib from 'zlib';
import { test as it, expect } from './pageTest';
it.skip(({ isElectron, browserMajorVersion }) => isElectron && browserMajorVersion < 99, 'This needs Chromium >= 99');
it('should set bodySize and headersSize', async ({ page, server }) => {
await page.goto(server.EMPTY_PAGE);
const [request] = await Promise.all([
page.waitForEvent('request'),
page.evaluate(() => fetch('./get', { method: 'POST', body: '12345' }).then(r => r.text())),
]);
const sizes = await request.sizes();
expect(sizes.requestBodySize).toBe(5);
expect(sizes.requestHeadersSize).toBeGreaterThanOrEqual(250);
});
it('should set bodySize to 0 if there was no body', async ({ page, server, browserName, platform }) => {
await page.goto(server.EMPTY_PAGE);
const [request] = await Promise.all([
page.waitForEvent('request'),
page.evaluate(() => fetch('./get').then(r => r.text())),
]);
const sizes = await request.sizes();
expect(sizes.requestBodySize).toBe(0);
expect(sizes.requestHeadersSize).toBeGreaterThanOrEqual(190);
});
it('should set bodySize, headersSize, and transferSize', async ({ page, server }) => {
server.setRoute('/get', (req, res) => {
// In Firefox, |fetch| will be hanging until it receives |Content-Type| header
// from server.
res.setHeader('Content-Type', 'text/plain; charset=utf-8');
res.end('abc134');
});
await page.goto(server.EMPTY_PAGE);
const [response] = await Promise.all([
page.waitForEvent('response'),
page.evaluate(async () => fetch('./get').then(r => r.text())),
server.waitForRequest('/get'),
]);
const sizes = await response.request().sizes();
expect(sizes.responseBodySize).toBe(6);
expect(sizes.responseHeadersSize).toBeGreaterThanOrEqual(100);
});
it('should set bodySize to 0 when there was no response body', async ({ page, server }) => {
const response = await page.goto(server.EMPTY_PAGE);
const sizes = await response.request().sizes();
expect(sizes.responseBodySize).toBe(0);
expect(sizes.responseHeadersSize).toBeGreaterThanOrEqual(150);
});
it('should have the correct responseBodySize', async ({ page, server, asset, browserName }) => {
const response = await page.goto(server.PREFIX + '/simplezip.json');
const sizes = await response.request().sizes();
expect(sizes.responseBodySize).toBe(fs.statSync(asset('simplezip.json')).size);
});
it('should have the correct responseBodySize for chunked request', async ({ page, server, asset, browserName, platform }) => {
it.fixme(browserName === 'firefox');
it.fixme(browserName === 'webkit' && platform !== 'darwin');
const content = fs.readFileSync(asset('simplezip.json'));
const AMOUNT_OF_CHUNKS = 10;
const CHUNK_SIZE = Math.ceil(content.length / AMOUNT_OF_CHUNKS);
server.setRoute('/chunked-simplezip.json', (req, resp) => {
resp.writeHead(200, { 'Content-Type': 'text/html; charset=utf-8', 'Transfer-Encoding': 'chunked' });
for (let start = 0; start < content.length; start += CHUNK_SIZE) {
const end = Math.min(start + CHUNK_SIZE, content.length);
resp.write(content.slice(start, end));
}
resp.end();
});
const response = await page.goto(server.PREFIX + '/chunked-simplezip.json');
const sizes = await response.request().sizes();
// The actual file size is 5100 bytes. The extra 75 bytes are coming from the chunked encoding headers and end bytes.
if (browserName === 'webkit')
// It should be 5175 there. On the actual network response, the body has a size of 5175.
expect(sizes.responseBodySize).toBe(5173);
else
expect(sizes.responseBodySize).toBe(5175);
});
it('should have the correct responseBodySize with gzip compression', async ({ page, server, asset }, testInfo) => {
server.enableGzip('/simplezip.json');
await page.goto(server.EMPTY_PAGE);
const [response] = await Promise.all([
page.waitForEvent('response'),
page.evaluate(() => fetch('./simplezip.json').then(r => r.text()))
]);
const sizes = await response.request().sizes();
const chunks: Buffer[] = [];
const gzip = fs.createReadStream(asset('simplezip.json')).pipe(zlib.createGzip());
const done = new Promise(resolve => gzip.on('end', resolve));
gzip.on('data', o => chunks.push(o));
await done;
expect(sizes.responseBodySize).toBe(Buffer.concat(chunks).length);
});
it('should handle redirects', async ({ page, server }) => {
server.setRedirect('/foo', '/bar');
server.setRoute('/bar', (req, resp) => resp.end('bar'));
await page.goto(server.EMPTY_PAGE);
const [response] = await Promise.all([
page.waitForEvent('response'),
page.evaluate(async () => fetch('/foo', {
method: 'POST',
body: '12345',
}).then(r => r.text())),
]);
expect((await response.request().sizes()).requestBodySize).toBe(5);
const newRequest = response.request().redirectedTo();
expect((await newRequest.sizes()).responseBodySize).toBe(3);
});
it('should throw for failed requests', async ({ page, server }) => {
server.setRoute('/one-style.css', (req, res) => {
res.setHeader('Content-Type', 'text/css');
res.connection.destroy();
});
await page.goto(server.EMPTY_PAGE);
const [request] = await Promise.all([
page.waitForEvent('requestfailed'),
page.goto(server.PREFIX + '/one-style.html')
]);
await expect(request.sizes()).rejects.toThrow('Unable to fetch sizes for failed request');
});
for (const statusCode of [200, 401, 404, 500]) {
it(`should work with ${statusCode} status code`, async ({ page, server }) => {
server.setRoute('/foo', (req, resp) => {
resp.writeHead(statusCode, {
'Content-Type': 'text/plain; charset=utf-8',
'Content-Length': '3',
});
resp.end('bar');
});
await page.goto(server.EMPTY_PAGE);
const [response] = await Promise.all([
page.waitForEvent('response'),
page.evaluate(async () => fetch('/foo', {
method: 'POST',
body: '12345',
}).then(r => r.text())),
]);
expect(response.status()).toBe(statusCode);
const sizes = await response.request().sizes();
expect(sizes.requestBodySize).toBe(5);
expect(sizes.responseBodySize).toBe(3);
});
}
it('should have correct responseBodySize for 404 with content', async ({ page, server, browserName }) => {
it.fixme(browserName === 'chromium');
server.setRoute('/broken-image.png', (req, resp) => {
resp.writeHead(404);
resp.end(`<p>this should have a non-negative size</p>`);
});
server.setRoute('/page-with-404-image.html', (req, resp) => {
resp.end(`
<!DOCTYPE html>
<html>
<head><title>Page with Broken Image</title></head>
<body>
<img src="/broken-image.png" />
</body>
</html>
`);
});
const [req] = await Promise.all([
page.waitForRequest(/broken-image\.png$/),
page.goto(server.PREFIX + '/page-with-404-image.html'),
]);
const { responseBodySize } = await req.sizes();
expect(responseBodySize).toBeGreaterThanOrEqual(0);
});
it('should return sizes without hanging', async ({ page, server, browserName }) => {
it.fixme(browserName === 'chromium');
server.setRoute('/has-abandoned-fetch', (req, resp) => {
resp.end(`
<!DOCTYPE html>
<html>
<head><title>t</title></head>
<body>
<script>
fetch("./404");
</script>
</body>
</html>
`);
});
const [req] = await Promise.all([
page.waitForRequest(/404$/),
page.goto(server.PREFIX + '/has-abandoned-fetch')
]);
await req.sizes();
});