return http state

libraries/botbuilder/src/botFrameworkHttpClient.ts

@@ -55,6 +55,10 @@ export class BotFrameworkHttpClient {
             throw new Error('BotFrameworkHttpClient.postActivity(): Unable to get appCredentials to connect to the skill');
         }
 
+        if (activity.conversation === undefined) {
+            throw new Error('BotFrameworkHttpClient.postActivity(): Activity must have a ConversationReference');
+        }
+
         // Get token for the skill call
         const token = appCredentials.appId === '' && appCredentials.appPassword === '' ? null : await appCredentials.getToken();
 
@@ -72,7 +76,8 @@ export class BotFrameworkHttpClient {
                     Accept: 'application/json',
                     'Content-Type': 'application/json',
                     'User-Agent': USER_AGENT
-                }
+                },
+                validateStatus: function () { return true; }                
             };
 
             if (token) {

libraries/botbuilder/tests/botFrameworkHttpClient.test.js

@@ -1,6 +1,7 @@
 const { strictEqual } = require('assert');
 const { BotFrameworkHttpClient } = require('../');
 const { AuthenticationConstants, SimpleCredentialProvider } = require('botframework-connector');
+const nock = require('nock');
 
 describe('BotFrameworkHttpClient', function() {
     this.timeout(3000);
@@ -29,5 +30,31 @@ describe('BotFrameworkHttpClient', function() {
                 strictEqual(e.message, 'BotFrameworkHttpClient(): missing credentialProvider');
             }
         });
+
+        it('should succeed to make call', async () => {
+
+            nock('http://skillUrl')
+                .post('/api/good')
+                .reply(200, { id: 'some-id' });
+
+            const credentialProvider = new SimpleCredentialProvider('', '');
+            const client = new BotFrameworkHttpClient(credentialProvider, 'channels');
+            const fromBotId = null;
+            const response = await client.postActivity(fromBotId, 'toBotId', 'http://skillUrl/api/good', 'serviceUrl', 'conversationId', { type: 'message', conversation: { } });
+            strictEqual(response.status, 200);
+        });
+
+        it('should return status code for a failed call', async () => {
+
+            nock('http://skillUrl')
+                .post('/api/bad')
+                .reply(404, { id: 'some-id' });
+
+            const credentialProvider = new SimpleCredentialProvider('', '');
+            const client = new BotFrameworkHttpClient(credentialProvider, 'channels');
+            const fromBotId = null;
+            const response = await client.postActivity(fromBotId, 'toBotId', 'http://skillUrl/api/bad', 'serviceUrl', 'conversationId', { type: 'message', conversation: { } });
+            strictEqual(response.status, 404);
+        });
     });
 });