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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const http = require('http');
// Simple test of Node's HTTP Client mutable headers
// OutgoingMessage.prototype.setHeader(name, value)
// OutgoingMessage.prototype.getHeader(name)
// OutgoingMessage.prototype.removeHeader(name, value)
// ServerResponse.prototype.statusCode
// <ClientRequest>.method
// <ClientRequest>.path
let test = 'headers';
const content = 'hello world\n';
const cookies = [
'session_token=; path=/; expires=Sun, 15-Sep-2030 13:48:52 GMT',
'prefers_open_id=; path=/; expires=Thu, 01-Jan-1970 00:00:00 GMT'
];
const s = http.createServer(common.mustCall((req, res) => {
switch (test) {
case 'headers':
// Check that header-related functions work before setting any headers
const headers = res.getHeaders();
const exoticObj = Object.create(null);
assert.deepStrictEqual(headers, exoticObj);
assert.deepStrictEqual(res.getHeaderNames(), []);
assert.deepStrictEqual(res.hasHeader('Connection'), false);
assert.deepStrictEqual(res.getHeader('Connection'), undefined);
assert.throws(() => {
res.setHeader();
}, /^TypeError: Header name must be a valid HTTP Token \["undefined"\]$/);
assert.throws(() => {
res.setHeader('someHeader');
}, /^Error: "value" required in setHeader\("someHeader", value\)$/);
assert.throws(() => {
res.getHeader();
}, /^TypeError: "name" argument must be a string$/);
assert.throws(() => {
res.removeHeader();
}, /^TypeError: "name" argument must be a string$/);
const arrayValues = [1, 2, 3];
res.setHeader('x-test-header', 'testing');
res.setHeader('X-TEST-HEADER2', 'testing');
res.setHeader('set-cookie', cookies);
res.setHeader('x-test-array-header', arrayValues);
assert.strictEqual(res.getHeader('x-test-header'), 'testing');
assert.strictEqual(res.getHeader('x-test-header2'), 'testing');
const headersCopy = res.getHeaders();
const expected = {
'x-test-header': 'testing',
'x-test-header2': 'testing',
'set-cookie': cookies,
'x-test-array-header': arrayValues
};
Object.setPrototypeOf(expected, null);
assert.deepStrictEqual(headersCopy, expected);
assert.deepStrictEqual(res.getHeaderNames(),
['x-test-header', 'x-test-header2',
'set-cookie', 'x-test-array-header']);
assert.strictEqual(res.hasHeader('x-test-header2'), true);
assert.strictEqual(res.hasHeader('X-TEST-HEADER2'), true);
assert.strictEqual(res.hasHeader('X-Test-Header2'), true);
assert.throws(() => {
res.hasHeader();
}, /^TypeError: "name" argument must be a string$/);
assert.throws(() => {
res.hasHeader(null);
}, /^TypeError: "name" argument must be a string$/);
assert.throws(() => {
res.hasHeader(true);
}, /^TypeError: "name" argument must be a string$/);
assert.throws(() => {
res.hasHeader({ toString: () => 'X-TEST-HEADER2' });
}, /^TypeError: "name" argument must be a string$/);
res.removeHeader('x-test-header2');
assert.strictEqual(res.hasHeader('x-test-header2'), false);
assert.strictEqual(res.hasHeader('X-TEST-HEADER2'), false);
assert.strictEqual(res.hasHeader('X-Test-Header2'), false);
break;
case 'contentLength':
res.setHeader('content-length', content.length);
assert.strictEqual(res.getHeader('Content-Length'), content.length);
break;
case 'transferEncoding':
res.setHeader('transfer-encoding', 'chunked');
assert.strictEqual(res.getHeader('Transfer-Encoding'), 'chunked');
break;
case 'writeHead':
res.statusCode = 404;
res.setHeader('x-foo', 'keyboard cat');
res.writeHead(200, { 'x-foo': 'bar', 'x-bar': 'baz' });
break;
default:
assert.fail('Unknown test');
}
res.statusCode = 201;
res.end(content);
}, 4));
s.listen(0, nextTest);
function nextTest() {
if (test === 'end') {
return s.close();
}
let bufferedResponse = '';
http.get({ port: s.address().port }, common.mustCall((response) => {
switch (test) {
case 'headers':
assert.strictEqual(response.statusCode, 201);
assert.strictEqual(response.headers['x-test-header'], 'testing');
assert.strictEqual(response.headers['x-test-array-header'],
[1, 2, 3].join(', '));
assert.deepStrictEqual(cookies, response.headers['set-cookie']);
assert.strictEqual(response.headers['x-test-header2'], undefined);
test = 'contentLength';
break;
case 'contentLength':
assert.strictEqual(+response.headers['content-length'], content.length);
test = 'transferEncoding';
break;
case 'transferEncoding':
assert.strictEqual(response.headers['transfer-encoding'], 'chunked');
test = 'writeHead';
break;
case 'writeHead':
assert.strictEqual(response.headers['x-foo'], 'bar');
assert.strictEqual(response.headers['x-bar'], 'baz');
assert.strictEqual(response.statusCode, 200);
test = 'end';
break;
default:
assert.fail('Unknown test');
}
response.setEncoding('utf8');
response.on('data', (s) => {
bufferedResponse += s;
});
response.on('end', common.mustCall(() => {
assert.strictEqual(bufferedResponse, content);
common.mustCall(nextTest)();
}));
}));
}