added numberOfAttempts to promptOptions

libraries/botbuilder-dialogs/src/prompts/prompt.ts

@@ -69,6 +69,11 @@ export interface PromptOptions {
      * (Optional) Additional validation rules to pass the prompts validator routine.
      */
     validations?: object;
+
+    /**
+     * (Optional) Count of the number of times the prompt has retried.
+     */
+    numberOfAttempts?: number;
 }
 
 /**
@@ -195,12 +200,18 @@ export abstract class Prompt<T> extends Dialog {
         // Validate the return value
         let isValid = false;
         if (this.validator) {
+            if (state.options.numberOfAttempts === undefined) {
+                state.options.numberOfAttempts = 0;
+            }
             isValid = await this.validator({
                 context: dc.context,
                 recognized: recognized,
                 state: state.state,
                 options: state.options
             });
+            if (state.options.numberOfAttempts !== undefined) {
+                state.options.numberOfAttempts++;
+            }
         } else if (recognized.succeeded) {
             isValid = true;
         }

libraries/botbuilder-dialogs/tests/numberPrompt.test.js

@@ -187,7 +187,6 @@ describe('NumberPrompt', function () {
         const dialogs = new DialogSet(dialogState);
         dialogs.add(new NumberPrompt('prompt', async (prompt) => {
             assert(prompt);
-            console.log('recognized value:', prompt.recognized.value);
             return prompt.recognized.value === 0;
         }));
 
@@ -202,4 +201,52 @@ describe('NumberPrompt', function () {
             .send('zero')
             .assertReply('0')
     });
+
+    it ('should see numberOfAttempts counter increment', async function() {
+        const adapter = new TestAdapter(async (turnContext) => {
+            const dc = await dialogs.createContext(turnContext);
+
+            const results = await dc.continueDialog();
+            if (results.status === DialogTurnStatus.empty) {
+                await dc.prompt('prompt',{prompt: 'Send me a zero', retryPrompt: 'Send 0 or zero'});
+            } else if (results.status === DialogTurnStatus.complete) {
+                await turnContext.sendActivity('ok');
+            }
+            await convoState.saveChanges(turnContext);
+        });
+
+        const convoState = new ConversationState(new MemoryStorage());
+
+        const dialogState = convoState.createProperty('dialogState');
+        const dialogs = new DialogSet(dialogState);
+
+        dialogs.add(new NumberPrompt('prompt', async (prompt) => {
+            if (prompt.recognized.value !== 0) {
+                prompt.context.sendActivity(`numberOfAttempts ${prompt.options.numberOfAttempts}`);
+                return false;
+            }
+            return true;
+        }));
+
+        await adapter.send('Hello')
+            .assertReply('Send me a zero')
+            .send('100')
+            .assertReply('numberOfAttempts 0')
+            .send('200')
+            .assertReply('numberOfAttempts 1')
+            .send('300')
+            .assertReply('numberOfAttempts 2')
+            .send('0')
+            .assertReply('ok')
+            .send('Another!')
+            .assertReply('Send me a zero')
+            .send('100')
+            .assertReply('numberOfAttempts 0')
+            .send('200')
+            .assertReply('numberOfAttempts 1')
+            .send('300')
+            .assertReply('numberOfAttempts 2')
+            .send('0')
+            .assertReply('ok')
+    });
 });