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ip.js
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ip.js
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'use strict'
const assert = require('assert')
const Stream = require('stream')
const Koa = require('../..')
const Request = require('../../test-helpers/context').request
describe('req.ip', () => {
describe('with req.ips present', () => {
it('should return req.ips[0]', () => {
const app = new Koa()
const req = { headers: {}, socket: new Stream.Duplex() }
app.proxy = true
req.headers['x-forwarded-for'] = '127.0.0.1'
req.socket.remoteAddress = '127.0.0.2'
const request = Request(req, undefined, app)
assert.strictEqual(request.ip, '127.0.0.1')
})
})
describe('with no req.ips present', () => {
it('should return req.socket.remoteAddress', () => {
const req = { socket: new Stream.Duplex() }
req.socket.remoteAddress = '127.0.0.2'
const request = Request(req)
assert.strictEqual(request.ip, '127.0.0.2')
})
describe('with req.socket.remoteAddress not present', () => {
it('should return an empty string', () => {
const socket = new Stream.Duplex()
Object.defineProperty(socket, 'remoteAddress', {
get: () => undefined, // So that the helper doesn't override it with a reasonable value
set: () => {}
})
assert.strictEqual(Request({ socket }).ip, '')
})
})
})
it('should be lazy inited and cached', () => {
const req = { socket: new Stream.Duplex() }
req.socket.remoteAddress = '127.0.0.2'
const request = Request(req)
assert.strictEqual(request.ip, '127.0.0.2')
req.socket.remoteAddress = '127.0.0.1'
assert.strictEqual(request.ip, '127.0.0.2')
})
it('should reset ip work', () => {
const req = { socket: new Stream.Duplex() }
req.socket.remoteAddress = '127.0.0.2'
const request = Request(req)
assert.strictEqual(request.ip, '127.0.0.2')
request.ip = '127.0.0.1'
assert.strictEqual(request.ip, '127.0.0.1')
})
})