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backend/node_modules/@fastify/proxy-addr/test/all.test.js

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+'use strict'
+
+const { test } = require('node:test')
+const proxyaddr = require('..')
+
+test('argument req should be required', function (t) {
+  t.assert.throws(proxyaddr.all, /req.*required/u)
+})
+
+test('argument trustshould be optional', function (t) {
+  const req = createReq('127.0.0.1')
+  t.assert.doesNotThrow(proxyaddr.all.bind(null, req))
+})
+
+test('with no headers should return socket address', function (t) {
+  const req = createReq('127.0.0.1')
+  t.assert.deepStrictEqual(proxyaddr.all(req), ['127.0.0.1'])
+})
+
+test('with x-forwarded-for header should include x-forwarded-for', function (t) {
+  const req = createReq('127.0.0.1', {
+    'x-forwarded-for': '10.0.0.1'
+  })
+  t.assert.deepStrictEqual(proxyaddr.all(req), ['127.0.0.1', '10.0.0.1'])
+})
+
+test('with x-forwarded-for header should include x-forwarded-for in correct order', function (t) {
+  const req = createReq('127.0.0.1', {
+    'x-forwarded-for': '10.0.0.1, 10.0.0.2'
+  })
+  t.assert.deepStrictEqual(proxyaddr.all(req), ['127.0.0.1', '10.0.0.2', '10.0.0.1'])
+})
+
+test('with trust argument should stop at first untrusted', function (t) {
+  const req = createReq('127.0.0.1', {
+    'x-forwarded-for': '10.0.0.1, 10.0.0.2'
+  })
+  t.assert.deepStrictEqual(proxyaddr.all(req, '127.0.0.1'), ['127.0.0.1', '10.0.0.2'])
+})
+
+test('with trust argument should be only socket address for no trust', function (t) {
+  const req = createReq('127.0.0.1', {
+    'x-forwarded-for': '10.0.0.1, 10.0.0.2'
+  })
+  t.assert.deepStrictEqual(proxyaddr.all(req, []), ['127.0.0.1'])
+})
+
+function createReq (socketAddr, headers) {
+  return {
+    socket: {
+      remoteAddress: socketAddr
+    },
+    headers: headers || {}
+  }
+}