follow new abstract methods

src/puppet-mock/puppet-mock.ts

@@ -352,6 +352,10 @@ export class PuppetMock extends Puppet {
     log.verbose('PuppetMock', 'roomQuit(%s)', roomId)
   }
 
+  public async roomQrCode(roomId: string): Promise<string> {
+    return roomId + ' mock qrcode'
+  }
+
   public async roomMemberList(roomId: string) : Promise<string[]> {
     log.verbose('PuppetMock', 'roommemberList(%s)', roomId)
     return []

src/puppet-puppeteer/puppet-puppeteer.ts

@@ -1088,6 +1088,10 @@ export class PuppetPuppeteer extends Puppet {
     log.warn('PuppetPuppeteer', 'roomQuit(%s) not supported by Web API', roomId)
   }
 
+  public async roomQrCode(roomId: string): Promise<string> {
+    throw new Error('not support ' + roomId)
+  }
+
   public async roomMemberList(roomId: string) : Promise<string[]> {
     log.verbose('PuppetPuppeteer', 'roommemberList(%s)', roomId)
     const rawPayload = await this.roomRawPayload(roomId)

src/puppet-wechat4u/puppet-wechat4u.ts

@@ -830,6 +830,10 @@ export class PuppetWechat4u extends Puppet {
     log.verbose('PuppetWechat4u', 'roomQuit(%s)', roomId)
   }
 
+  public async roomQrCode(roomId: string): Promise<string> {
+    throw new Error('not support ' + roomId)
+  }
+
   public async roomMemberList(roomId: string) : Promise<string[]> {
     log.verbose('PuppetWechat4u', 'roommemberList(%s)', roomId)
     const rawPayload = await this.roomRawPayload(roomId)

src/puppet/puppet.spec.ts

@@ -101,6 +101,7 @@ class PuppetTest extends Puppet {
   public async roomCreate(contactIdList: string[], topic?: string) : Promise<string> { return {contactIdList, topic} as any }
   public async roomDel(roomId: string, contactId: string)          : Promise<void> { return {roomId, contactId} as any }
   public async roomQuit(roomId: string)                            : Promise<void> { return {roomId} as any }
+  public async roomQrCode(roomId: string)                          : Promise<string> { return {roomId} as any }
 
   public async roomTopic(roomId: string)                 : Promise<string>
   public async roomTopic(roomId: string, topic: string)  : Promise<void>