use nock to define more details about get requests to the proxy

Author: cesine

test/getBody.js

@@ -0,0 +1,129 @@
+'use strict';
+
+var assert = require('assert');
+var express = require('express');
+var nock = require('nock');
+var request = require('supertest');
+var proxy = require('../');
+
+
+function createLocalApplicationServer() {
+  var app = express();
+  return app;
+}
+
+describe('when proxy request is a GET', function () {
+
+  this.timeout(10000);
+
+  var localServer;
+
+  beforeEach(function () {
+    localServer = createLocalApplicationServer();
+  });
+
+  afterEach(function () {
+    nock.cleanAll();
+  });
+
+  var testCases = [
+    { name: 'form encoded', encoding: 'application/x-www-form-urlencoded' },
+    { name: 'JSON encoded', encoding: 'application/json' }
+  ];
+
+  testCases.forEach(function (test) {
+    it('should deliver the get query when ' + test.name, function (done) {
+      var nockedPostWithEncoding = nock('http://127.0.0.1:12345')
+        .get('/')
+        .query({ name: 'tobi' })
+        .matchHeader('Content-Type', test.encoding)
+        .reply(200, {
+          name: 'tobi'
+        });
+
+      localServer.use('/proxy', proxy('http://127.0.0.1:12345'));
+      localServer.use(function (req, res) { res.sendStatus(200); });
+      localServer.use(function (err, req, res, next) { throw new Error(err, req, res, next); });
+
+      request(localServer)
+        .get('/proxy')
+        .query({ name: 'tobi' })
+        .set('Content-Type', test.encoding)
+        .expect(function (res) {
+          assert(res.body.name === 'tobi');
+          nockedPostWithEncoding.done();
+        })
+        .end(done);
+    });
+
+    it('should deliver the get body when ' + test.name, function (done) {
+      var nockedPostWithEncoding = nock('http://127.0.0.1:12345')
+        .get('/', { name: 'tobi' })
+        .matchHeader('Content-Type', test.encoding)
+        .reply(200, {
+          name: 'tobi'
+        });
+
+      localServer.use('/proxy', proxy('http://127.0.0.1:12345'));
+      localServer.use(function (req, res) { res.sendStatus(200); });
+      localServer.use(function (err, req, res, next) { throw new Error(err, req, res, next); });
+
+      request(localServer)
+        .get('/proxy')
+        .send({ name: 'tobi' })
+        .set('Content-Type', test.encoding)
+        .expect(function (res) {
+          assert(res.body.name === 'tobi');
+          nockedPostWithEncoding.done();
+        })
+        .end(done);
+    });
+  });
+
+  it('should deliver empty string get body', function (done) {
+    var nockedPostWithoutBody = nock('http://127.0.0.1:12345')
+      .get('/', '')
+      .matchHeader('Content-Type', 'application/json')
+      .reply(200, {
+        name: 'get with string body'
+      });
+
+    localServer.use('/proxy', proxy('http://127.0.0.1:12345'));
+    localServer.use(function (req, res) { res.sendStatus(200); });
+    localServer.use(function (err, req, res, next) { throw new Error(err, req, res, next); });
+
+    request(localServer)
+      .get('/proxy')
+      .send()
+      .set('Content-Type', 'application/json')
+      .expect(function (res) {
+        assert(res.body.name === 'get with string body');
+        nockedPostWithoutBody.done();
+      })
+      .end(done);
+  });
+
+  it('should deliver empty object get body', function (done) {
+    var nockedPostWithoutBody = nock('http://127.0.0.1:12345')
+      .get('/', {})
+      .matchHeader('Content-Type', 'application/json')
+      .reply(200, {
+        name: 'get with object body'
+      });
+
+    localServer.use('/proxy', proxy('http://127.0.0.1:12345'));
+    localServer.use(function (req, res) { res.sendStatus(200); });
+    localServer.use(function (err, req, res, next) { throw new Error(err, req, res, next); });
+
+    request(localServer)
+      .get('/proxy')
+      .send({})
+      .set('Content-Type', 'application/json')
+      .expect(function (res) {
+        assert(res.body.name === 'get with object body');
+        nockedPostWithoutBody.done();
+      })
+      .end(done);
+  });
+
+});