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lib-http-proxy-passes-web-outgoing-test.js
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var httpProxy = require('../lib/http-proxy/passes/web-outgoing'),
expect = require('expect.js');
describe('lib/http-proxy/passes/web-outgoing.js', function () {
describe('#setRedirectHostRewrite', function () {
beforeEach(function() {
this.req = {
headers: {
host: 'ext-auto.com'
}
};
this.proxyRes = {
statusCode: 301,
headers: {
location: 'http://backend.com/'
}
};
this.options = {
target: 'http://backend.com'
};
});
context('rewrites location host with hostRewrite', function() {
beforeEach(function() {
this.options.hostRewrite = 'ext-manual.com';
});
[201, 301, 302, 307, 308].forEach(function(code) {
it('on ' + code, function() {
this.proxyRes.statusCode = code;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://ext-manual.com/');
});
});
it('not on 200', function() {
this.proxyRes.statusCode = 200;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('not when hostRewrite is unset', function() {
delete this.options.hostRewrite;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('takes precedence over autoRewrite', function() {
this.options.autoRewrite = true;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://ext-manual.com/');
});
it('not when the redirected location does not match target host', function() {
this.proxyRes.statusCode = 302;
this.proxyRes.headers.location = 'http://some-other/';
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://some-other/');
});
it('not when the redirected location does not match target port', function() {
this.proxyRes.statusCode = 302;
this.proxyRes.headers.location = 'http://backend.com:8080/';
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com:8080/');
});
});
context('rewrites location host with autoRewrite', function() {
beforeEach(function() {
this.options.autoRewrite = true;
});
[201, 301, 302, 307, 308].forEach(function(code) {
it('on ' + code, function() {
this.proxyRes.statusCode = code;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://ext-auto.com/');
});
});
it('not on 200', function() {
this.proxyRes.statusCode = 200;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('not when autoRewrite is unset', function() {
delete this.options.autoRewrite;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('not when the redirected location does not match target host', function() {
this.proxyRes.statusCode = 302;
this.proxyRes.headers.location = 'http://some-other/';
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://some-other/');
});
it('not when the redirected location does not match target port', function() {
this.proxyRes.statusCode = 302;
this.proxyRes.headers.location = 'http://backend.com:8080/';
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com:8080/');
});
});
context('rewrites location protocol with protocolRewrite', function() {
beforeEach(function() {
this.options.protocolRewrite = 'https';
});
[201, 301, 302, 307, 308].forEach(function(code) {
it('on ' + code, function() {
this.proxyRes.statusCode = code;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('https://backend.com/');
});
});
it('not on 200', function() {
this.proxyRes.statusCode = 200;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('not when protocolRewrite is unset', function() {
delete this.options.protocolRewrite;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('http://backend.com/');
});
it('works together with hostRewrite', function() {
this.options.hostRewrite = 'ext-manual.com';
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('https://ext-manual.com/');
});
it('works together with autoRewrite', function() {
this.options.autoRewrite = true;
httpProxy.setRedirectHostRewrite(this.req, {}, this.proxyRes, this.options);
expect(this.proxyRes.headers.location).to.eql('https://ext-auto.com/');
});
});
});
describe('#setConnection', function () {
it('set the right connection with 1.0 - `close`', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: '1.0',
headers: {
connection: null
}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql('close');
});
it('set the right connection with 1.0 - req.connection', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: '1.0',
headers: {
connection: 'hey'
}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql('hey');
});
it('set the right connection - req.connection', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: null,
headers: {
connection: 'hola'
}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql('hola');
});
it('set the right connection - `keep-alive`', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: null,
headers: {
connection: null
}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql('keep-alive');
});
it('don`t set connection with 2.0 if exist', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: '2.0',
headers: {
connection: 'namstey'
}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql(undefined);
});
it('don`t set connection with 2.0 if doesn`t exist', function() {
var proxyRes = { headers: {} };
httpProxy.setConnection({
httpVersion: '2.0',
headers: {}
}, {}, proxyRes);
expect(proxyRes.headers.connection).to.eql(undefined);
})
});
describe('#writeStatusCode', function () {
it('should write status code', function() {
var res = {
writeHead: function(n) {
expect(n).to.eql(200);
}
};
httpProxy.writeStatusCode({}, res, { statusCode: 200 });
});
});
describe('#writeHeaders', function() {
beforeEach(function() {
this.proxyRes = {
headers: {
hey: 'hello',
how: 'are you?',
'set-cookie': 'hello; domain=my.domain; path=/'
},
rawHeaders: [
'Hey', 'hello',
'How', 'are you?',
'Set-Cookie', 'hello; domain=my.domain; path=/'
]
};
this.res = {
setHeader: function(k, v) {
// https://nodejs.org/api/http.html#http_message_headers
// Header names are lower-cased
this.headers[k.toLowerCase()] = v;
},
headers: {}
};
});
it('writes headers', function() {
var options = {};
httpProxy.writeHeaders({}, this.res, this.proxyRes, options);
expect(this.res.headers.hey).to.eql('hello');
expect(this.res.headers.how).to.eql('are you?');
});
it('does not rewrite domain', function() {
var options = {};
httpProxy.writeHeaders({}, this.res, this.proxyRes, options);
expect(this.res.headers['set-cookie']).to.eql('hello; domain=my.domain; path=/');
});
it('rewrites domain', function() {
var options = {
cookieDomainRewrite: 'my.new.domain'
};
httpProxy.writeHeaders({}, this.res, this.proxyRes, options);
expect(this.res.headers['set-cookie']).to.eql('hello; domain=my.new.domain; path=/');
});
it('removes domain', function() {
var options = {
cookieDomainRewrite: ''
};
httpProxy.writeHeaders({}, this.res, this.proxyRes, options);
expect(this.res.headers['set-cookie']).to.eql('hello; path=/');
});
it('rewrites headers with advanced configuration', function() {
var options = {
cookieDomainRewrite: {
'*': '',
'my.old.domain': 'my.new.domain',
'my.special.domain': 'my.special.domain'
}
};
this.proxyRes.headers['set-cookie'] = [
'hello-on-my.domain; domain=my.domain; path=/',
'hello-on-my.old.domain; domain=my.old.domain; path=/',
'hello-on-my.special.domain; domain=my.special.domain; path=/'
];
var setCookieValueIndex = this.proxyRes.rawHeaders.indexOf('Set-Cookie') + 1;
this.proxyRes.rawHeaders[setCookieValueIndex] = [
'hello-on-my.domain; domain=my.domain; path=/',
'hello-on-my.old.domain; domain=my.old.domain; path=/',
'hello-on-my.special.domain; domain=my.special.domain; path=/'
];
httpProxy.writeHeaders({}, this.res, this.proxyRes, options);
expect(this.res.headers['set-cookie'])
.to.contain('hello-on-my.domain; path=/');
expect(this.res.headers['set-cookie'])
.to.contain('hello-on-my.old.domain; domain=my.new.domain; path=/');
expect(this.res.headers['set-cookie'])
.to.contain('hello-on-my.special.domain; domain=my.special.domain; path=/');
});
});
describe('#removeChunked', function() {
var proxyRes = {
headers: {
'transfer-encoding': 'hello'
}
};
httpProxy.removeChunked({ httpVersion: '1.0' }, {}, proxyRes);
expect(proxyRes.headers['transfer-encoding']).to.eql(undefined);
});
});