updated my merge

Author: Ezra Nyabuti

lesson_03/quiz/quiz.yaml

@@ -10,6 +10,11 @@ quiz:
       - $2y$10$fisFjMsmMwzlj3.PELyBNeupdruYROU00dwq296pg0VfHo05SSkta
       - $2y$10$.Z44VoTaxQSdPEx7RatO6OVCw1ff6ohS0kZnCrHEcFnElIgkfjP0u
       - $2y$10$nCm/E52FKO7DRo4XbpR2vu.HTyAzsDNNZr2dDfYJyblY1oLuGpnPO
+
+    meikostephens:
+      - $2y$10$AD1YHmrZZivus7DoM91UMuErNnpi63ueluFs7DcSQSrZbXwDycAOi
+      - $2y$10$KvnxAYKh3A151RyOOFtOv.wfImRzZMgbBgKy3gyLd1uUSSjHaN.4u
+      - $2y$10$qJDpo1X1kFXRD1M6Kpi8WeKg.a8dgzd8RawXX/3RuMqM82biBc6iK
     computerparts:
       - $2y$10$7TUXmYaJlWnRZTzYR..CsefgVcOZJMGt7ctxyAf.G3obBBFEAB342
       - $2y$10$0ghuTDegle177q8VjCgQ2OhManKjotYXrcDT3SLyUF8KvI152Wd0.

lesson_03/quiz/src/lesson3.test.ts

@@ -3,6 +3,7 @@ import { beforeAll, describe, expect, it } from '@jest/globals';
 import { Test, TestingModule } from '@nestjs/testing';
 import {
   AnswerChoice,
+  MultipleChoiceQuizQuestion,
   QuizConfig,
   QuizQuestion,
 } from 'codedifferently-instructional';
@@ -76,16 +77,42 @@ describe('Lesson3Test', () => {
 
   const maybeIt = process.env.PROVIDER_NAME ? it : it.skip;
 
+  maybeIt(
+    'checks multiple choice answers are configured correctly',
+    async () => {
+      for (const [providerName, questions] of quizQuestionsByProvider) {
+        for (const question of questions) {
+          if (!(question instanceof MultipleChoiceQuizQuestion)) {
+            continue;
+          }
+
+          // Assert that multiple choice questions have at least one correct answer.
+          const choices = question.getAnswerChoices();
+          const areAnswersValid = await Promise.all(
+            [...choices].map(async (choice) => {
+              return quizConfig.checkAnswer(
+                providerName,
+                question.getQuestionNumber(),
+                choice,
+              );
+            }),
+          );
+
+          expect(areAnswersValid.some((isCorrect) => isCorrect)).toBe(true);
+        }
+      }
+    },
+  );
+
   maybeIt('checks for correct answers', async () => {
-    const targetProviderName =
-      process.env.PROVIDER_NAME?.toLowerCase().trim() || '';
+    const targetProviderName = process.env.PROVIDER_NAME?.trim() || '';
 
     if (!quizQuestionsByProvider.has(targetProviderName)) {
       throw new Error(`Unknown provider name: ${targetProviderName}`);
     }
 
     for (const [providerName, questions] of quizQuestionsByProvider) {
-      if (providerName !== process.env.PROVIDER_NAME?.toLowerCase().trim()) {
+      if (providerName !== process.env.PROVIDER_NAME?.trim()) {
         continue;
       }
       for (const question of questions) {

lesson_03/quiz/src/quizzes/meiko_stephens_quiz.ts

@@ -0,0 +1,65 @@
+import {
+  AnswerChoice,
+  MultipleChoiceQuizQuestion,
+  QuizQuestion,
+  QuizQuestionProvider,
+} from 'codedifferently-instructional';
+
+export class MeikoStephensQuiz implements QuizQuestionProvider {
+  getProviderName(): string {
+    return 'meikostephens';
+  }
+
+  makeQuizQuestions(): QuizQuestion[] {
+    return [
+      MeikoStephensQuiz.makeQuestion0(),
+      MeikoStephensQuiz.makeQuestion1(),
+      MeikoStephensQuiz.makeQuestion2(),
+    ];
+  }
+
+  private static makeQuestion0(): QuizQuestion {
+    return new MultipleChoiceQuizQuestion(
+      0,
+      'What is a branch?',
+      new Map<AnswerChoice, string>([
+        [AnswerChoice.A, 'A new line of code'],
+        [
+          AnswerChoice.B,
+          'A copy of a repository that allows you make changes and merge them later',
+        ],
+        [AnswerChoice.C, 'A way to delete a respository and start over'],
+        [AnswerChoice.D, 'A way to run code'],
+      ]),
+      AnswerChoice.UNANSWERED,
+    ); // Replace `UNANSWERED` with the correct answer.
+  }
+
+  private static makeQuestion1(): QuizQuestion {
+    return new MultipleChoiceQuizQuestion(
+      1,
+      'What does a syncfork do?',
+      new Map<AnswerChoice, string>([
+        [AnswerChoice.A, 'Updates changes from the original repository'],
+        [AnswerChoice.B, 'Deletes the repositiory'],
+        [AnswerChoice.C, 'Transforms the repository into a branch'],
+        [AnswerChoice.D, 'Runs the code more efficiently'],
+      ]),
+      AnswerChoice.UNANSWERED,
+    ); // Replace `UNANSWERED` with the correct answer.
+  }
+
+  private static makeQuestion2(): QuizQuestion {
+    return new MultipleChoiceQuizQuestion(
+      2,
+      'What brings the modify changes to merge into the main repositiory?',
+      new Map<AnswerChoice, string>([
+        [AnswerChoice.A, 'A terminal'],
+        [AnswerChoice.B, 'A branch'],
+        [AnswerChoice.C, 'A syncfork'],
+        [AnswerChoice.D, 'A pull request'],
+      ]),
+      AnswerChoice.UNANSWERED,
+    ); // Replace `UNANSWERED` with the correct answer.
+  }
+}

lesson_03/quiz/src/quizzes/quizzes.module.ts

@@ -4,6 +4,7 @@ import { AnthonyMaysQuiz } from './anthony_mays_quiz.js';
 import { DavidAdenaikeQuiz } from './david_adenaike_quiz.js';
 import { EzraQuiz } from './ezra_quiz.js';
 import { Jbeyquiz } from './jbeyquiz.js';
+import { MeikoStephensQuiz } from './meiko_stephens_quiz.js';
 import { MercedesMathewsQuiz } from './mercedes_mathews_quiz.js';
 import { RasheedMillerQuiz } from './rasheed_miller_quiz.js';
 
@@ -14,6 +15,7 @@ export const Quizzes = Symbol.for('Quizzes');
 const QUIZ_PROVIDERS = [
   AnthonyMaysQuiz,
   AnotherQuiz,
+  MeikoStephensQuiz,
   MercedesMathewsQuiz,
   Jbeyquiz,
   EzraQuiz,