fix(api): delete user's exam attempts with account (freeCodeCamp#57079)

Author: ojeytonwilliams

api/__mocks__/env-exam.ts

@@ -343,9 +343,7 @@ export const exam: EnvExam = {
 };
 
 export async function seedEnvExam() {
-  await fastifyTestInstance.prisma.envExamAttempt.deleteMany({});
-  await fastifyTestInstance.prisma.envGeneratedExam.deleteMany({});
-  await fastifyTestInstance.prisma.envExam.deleteMany({});
+  await clearEnvExam();
 
   await fastifyTestInstance.prisma.envExam.create({
     data: exam
@@ -369,3 +367,15 @@ export async function seedEnvExam() {
   //   }
   // }
 }
+
+export async function clearEnvExam() {
+  await fastifyTestInstance.prisma.envExamAttempt.deleteMany({});
+  await fastifyTestInstance.prisma.envGeneratedExam.deleteMany({});
+  await fastifyTestInstance.prisma.envExam.deleteMany({});
+}
+
+export async function seedEnvExamAttempt() {
+  await fastifyTestInstance.prisma.envExamAttempt.create({
+    data: examAttempt
+  });
+}

api/prisma/schema.prisma

@@ -277,7 +277,7 @@ model EnvExamAttempt {
   needsRetake        Boolean
 
   // Relations
-  user          user             @relation(fields: [userId], references: [id])
+  user          user             @relation(fields: [userId], references: [id], onDelete: Cascade)
   exam          EnvExam          @relation(fields: [examId], references: [id])
   generatedExam EnvGeneratedExam @relation(fields: [generatedExamId], references: [id])
 }

api/src/exam-environment/routes/exam-environment.test.ts

@@ -42,6 +42,10 @@ describe('/exam-environment/', () => {
         res.body.examEnvironmentAuthorizationToken;
     });
 
+    afterAll(async () => {
+      await mock.clearEnvExam();
+    });
+
     describe('POST /exam-environment/exam/attempt', () => {
       afterEach(async () => {
         await fastifyTestInstance.prisma.envExamAttempt.deleteMany();

api/src/routes/protected/user.test.ts

@@ -16,6 +16,11 @@ import {
   createSuperRequest
 } from '../../../jest.utils';
 import { JWT_SECRET } from '../../utils/env';
+import {
+  clearEnvExam,
+  seedEnvExam,
+  seedEnvExamAttempt
+} from '../../../__mocks__/env-exam';
 import { getMsTranscriptApiUrl } from './user';
 
 const mockedFetch = jest.fn();
@@ -336,13 +341,18 @@ describe('userRoutes', () => {
     });
 
     describe('/account/delete', () => {
+      beforeEach(async () => {
+        await seedEnvExam();
+        await seedEnvExamAttempt();
+      });
       afterEach(async () => {
         await fastifyTestInstance.prisma.userToken.deleteMany({
           where: { OR: [{ userId: defaultUserId }, { userId: otherUserId }] }
         });
         await fastifyTestInstance.prisma.msUsername.deleteMany({
           where: { OR: [{ userId: defaultUserId }, { userId: otherUserId }] }
         });
+        await clearEnvExam();
       });
 
       test('POST returns 200 status code with empty object', async () => {
@@ -398,6 +408,18 @@ describe('userRoutes', () => {
         );
         expect(setCookie).toHaveLength(3);
       });
+
+      test("POST deletes all the user's exam attempts", async () => {
+        const examAttempts =
+          await fastifyTestInstance.prisma.envExamAttempt.findMany();
+        expect(examAttempts).toHaveLength(1);
+
+        await superPost('/account/delete');
+
+        const examAttemptsAfter =
+          await fastifyTestInstance.prisma.envExamAttempt.findMany();
+        expect(examAttemptsAfter).toHaveLength(0);
+      });
     });
 
     describe('/account/reset-progress', () => {