Updated route to be named /emails/unsubscribe and other minor fixes

test/api/v3/integration/emails/GET-email-unsubscribe.test.js

@@ -0,0 +1,68 @@
+import {
+  generateUser,
+  translate as t,
+} from '../../../../helpers/api-v3-integration.helper';
+import { encrypt } from '../../../../../website/src/libs/api-v3/encryption';
+import { v4 as generateUUID } from 'uuid';
+
+describe('GET /email/unsubscribe', () => {
+  let user;
+  let testEmail = 'test@habitica.com';
+
+  beforeEach(async () => {
+    user = await generateUser();
+  });
+
+  it('return error when code is not provided', async () => {
+    await expect(user.get('/email/unsubscribe')).to.eventually.be.rejected.and.eql({
+      code: 400,
+      error: 'BadRequest',
+      message: 'Invalid request parameters.',
+    });
+  });
+
+  it('return error when user is not found', async () => {
+    let code = encrypt(JSON.stringify({
+      _id: generateUUID(),
+    }));
+
+    await expect(user.get(`/email/unsubscribe?code=${code}`)).to.eventually.be.rejected.and.eql({
+      code: 404,
+      error: 'NotFound',
+      message: t('userNotFound'),
+    });
+  });
+
+  it('unsubscribes a user from email notifications', async () => {
+    let code = encrypt(JSON.stringify({
+      _id: user._id,
+      email: user.email,
+    }));
+
+    await user.get(`/email/unsubscribe?code=${code}`);
+
+    let unsubscribedUser = await user.get('/user');
+
+    expect(unsubscribedUser.preferences.emailNotifications.unsubscribeFromAll).to.be.true;
+  });
+
+  it('unsubscribes an email from notifications', async () => {
+    let code = encrypt(JSON.stringify({
+      email: testEmail,
+    }));
+
+    let unsubscribedMessage = await user.get(`/email/unsubscribe?code=${code}`);
+
+    expect(unsubscribedMessage).to.equal('<h1>Unsubscribed successfully!</h1> You won\'t receive any other email from Habitica.');
+  });
+
+  it('returns okay when email is already unsubscribed', async () => {
+    let code = encrypt(JSON.stringify({
+      email: testEmail,
+    }));
+
+    let unsubscribedMessage = await user.get(`/email/unsubscribe?code=${code}`);
+
+    expect(unsubscribedMessage).to.equal('<h1>Unsubscribed successfully!</h1> You won\'t receive any other email from Habitica.');
+  });
+});