From f2ec6d6dd58ad6ae3360293ca17a73d0845d1036 Mon Sep 17 00:00:00 2001
From: Oliver Eyton-Williams <ojeytonwilliams@gmail.com>
Date: Wed, 16 Oct 2024 21:48:04 +0200
Subject: [PATCH] feat(api): env var to control exam environment (#56701)

---
 api/src/app.ts                                           | 5 ++---
 api/src/exam-environment/routes/exam-environment.test.ts | 8 ++++++++
 api/src/utils/env.ts                                     | 7 +++++++
 sample.env                                               | 1 +
 4 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/api/src/app.ts b/api/src/app.ts
index a41fa566dd3..9e56ab6ae83 100644
--- a/api/src/app.ts
+++ b/api/src/app.ts
@@ -38,7 +38,7 @@ import {
   FCC_ENABLE_DEV_LOGIN_MODE,
   FCC_ENABLE_SWAGGER_UI,
   FCC_ENABLE_SHADOW_CAPTURE,
-  FREECODECAMP_NODE_ENV
+  FCC_ENABLE_EXAM_ENVIRONMENT
 } from './utils/env';
 import { isObjectID } from './utils/validation';
 import {
@@ -187,8 +187,7 @@ export const build = async (
     }
   });
 
-  // NOTE: Code behind the `FREECODECAMP_NODE_ENV` var is not ready to be deployed yet.
-  if (FREECODECAMP_NODE_ENV !== 'production') {
+  if (FCC_ENABLE_EXAM_ENVIRONMENT) {
     void fastify.register(function (fastify, _opts, done) {
       fastify.addHook('onRequest', fastify.authorizeExamEnvironmentToken);
 
diff --git a/api/src/exam-environment/routes/exam-environment.test.ts b/api/src/exam-environment/routes/exam-environment.test.ts
index 959cdc13514..4e76c4140fd 100644
--- a/api/src/exam-environment/routes/exam-environment.test.ts
+++ b/api/src/exam-environment/routes/exam-environment.test.ts
@@ -12,6 +12,14 @@ import {
 import * as mock from '../../../__mocks__/env-exam';
 import { constructUserExam } from '../utils/exam';
 
+jest.mock('../../utils/env', () => {
+  // eslint-disable-next-line @typescript-eslint/no-unsafe-return
+  return {
+    ...jest.requireActual('../../utils/env'),
+    FCC_ENABLE_EXAM_ENVIRONMENT: 'true'
+  };
+});
+
 describe('/exam-environment/', () => {
   setupServer();
   describe('Authenticated user with exam environment authorization token', () => {
diff --git a/api/src/utils/env.ts b/api/src/utils/env.ts
index c3abc0a1ea5..ea5ea69e379 100644
--- a/api/src/utils/env.ts
+++ b/api/src/utils/env.ts
@@ -58,6 +58,11 @@ assert.ok(process.env.MONGOHQ_URL);
 assert.ok(process.env.COOKIE_SECRET);
 
 if (process.env.FREECODECAMP_NODE_ENV !== 'development') {
+  assert.notEqual(
+    process.env.FCC_ENABLE_EXAM_ENVIRONMENT,
+    'true',
+    'Exam environment is not ready for production.'
+  );
   assert.ok(process.env.SES_ID);
   assert.ok(process.env.SES_SECRET);
   assert.notEqual(
@@ -127,6 +132,8 @@ export const FCC_ENABLE_DEV_LOGIN_MODE =
   process.env.FCC_ENABLE_DEV_LOGIN_MODE === 'true';
 export const FCC_ENABLE_SHADOW_CAPTURE =
   process.env.FCC_ENABLE_SHADOW_CAPTURE === 'true';
+export const FCC_ENABLE_EXAM_ENVIRONMENT =
+  process.env.FCC_ENABLE_EXAM_ENVIRONMENT === 'true';
 export const SENTRY_DSN =
   process.env.SENTRY_DSN === 'dsn_from_sentry_dashboard'
     ? ''
diff --git a/sample.env b/sample.env
index 99d7d9cd59b..02d454da719 100644
--- a/sample.env
+++ b/sample.env
@@ -69,6 +69,7 @@ PORT=3000
 FCC_ENABLE_SWAGGER_UI=true
 FCC_ENABLE_DEV_LOGIN_MODE=true
 FCC_ENABLE_SHADOW_CAPTURE=false
+FCC_ENABLE_EXAM_ENVIRONMENT=false
 
 # Email
 # use ses in production