From 5a578643a6a3351cca134e3fa4a473c5f0a05fea Mon Sep 17 00:00:00 2001
From: Faruk AYDIN <omerfaruk26@gmail.com>
Date: Tue, 3 Oct 2023 19:50:02 +0200
Subject: [PATCH] feat: Implement getUser graphQL query test

---
 .../src/graphql/queries/get-user.test.ts      | 162 +++++++++++++++++-
 packages/backend/src/types/global.d.ts        |   3 +-
 packages/backend/test/setup/global-hooks.ts   |   4 +-
 3 files changed, 163 insertions(+), 6 deletions(-)

diff --git a/packages/backend/src/graphql/queries/get-user.test.ts b/packages/backend/src/graphql/queries/get-user.test.ts
index 853787b3..fd266f13 100644
--- a/packages/backend/src/graphql/queries/get-user.test.ts
+++ b/packages/backend/src/graphql/queries/get-user.test.ts
@@ -1,3 +1,161 @@
-test('adds 1 + 2 to equal 3', () => {
-  expect(1 + 2).toBe(3);
+import request from 'supertest';
+import app from '../../app';
+import createAuthTokenByUserId from '../../helpers/create-auth-token-by-user-id';
+import Crypto from 'crypto';
+
+describe('getUser', () => {
+  it('should throw not authorized error for an unauthorized user', async () => {
+    const invalidUserId = '123123123';
+
+    const query = `
+      query {
+        getUser(id: "${invalidUserId}") {
+          id
+          email
+        }
+      }
+    `;
+
+    const response = await request(app)
+      .post('/graphql')
+      .set('Authorization', 'invalid-token')
+      .send({ query })
+      .expect(200);
+
+    expect(response.body.errors).toBeDefined();
+    expect(response.body.errors[0].message).toEqual('Not Authorised!');
+  });
+
+  describe('with authorized user', () => {
+    it('should return user data for a valid user id', async () => {
+      const [role] = await knex
+        .table('roles')
+        .insert({
+          key: 'sample',
+          name: 'sample',
+        })
+        .returning('*');
+
+      await knex.table('permissions').insert({
+        action: 'read',
+        subject: 'User',
+        role_id: role.id,
+      });
+
+      const [currentUser] = await knex
+        .table('users')
+        .insert({
+          full_name: 'Test User',
+          email: 'sample@sample.com',
+          password: 'secret',
+          role_id: role.id,
+        })
+        .returning('*');
+
+      const [anotherUser] = await global.knex
+        .table('users')
+        .insert({
+          full_name: 'Another User',
+          email: 'another@sample.com',
+          password: 'secret',
+          role_id: role.id,
+        })
+        .returning('*');
+
+      const query = `
+        query {
+          getUser(id: "${anotherUser.id}") {
+            id
+            email
+            fullName
+            email
+            createdAt
+            updatedAt
+            role {
+              id
+              name
+            }
+          }
+        }
+      `;
+
+      const token = createAuthTokenByUserId(currentUser.id);
+
+      const response = await request(app)
+        .post('/graphql')
+        .set('Authorization', `${token}`)
+        .send({ query })
+        .expect(200);
+
+      const expectedResponsePayload = {
+        data: {
+          getUser: {
+            createdAt: anotherUser.created_at.getTime().toString(),
+            email: anotherUser.email,
+            fullName: anotherUser.full_name,
+            id: anotherUser.id,
+            role: { id: role.id, name: role.name },
+            updatedAt: anotherUser.updated_at.getTime().toString(),
+          },
+        },
+      };
+
+      expect(response.body).toEqual(expectedResponsePayload);
+    });
+
+    it('should return not found for invalid user id', async () => {
+      const [role] = await knex('roles')
+        .insert({
+          key: 'sample',
+          name: 'sample',
+        })
+        .returning('*');
+
+      await knex.table('permissions').insert({
+        action: 'read',
+        subject: 'User',
+        role_id: role.id,
+      });
+
+      const [currentUser] = await knex
+        .table('users')
+        .insert({
+          full_name: 'Test User',
+          email: 'sample@sample.com',
+          password: 'secret',
+          role_id: role.id,
+        })
+        .returning('*');
+
+      const invalidUserId = Crypto.randomUUID();
+
+      const query = `
+          query {
+            getUser(id: "${invalidUserId}") {
+              id
+              email
+              fullName
+              email
+              createdAt
+              updatedAt
+              role {
+                id
+                name
+              }
+            }
+          }
+        `;
+
+      const token = createAuthTokenByUserId(currentUser.id);
+
+      const response = await request(app)
+        .post('/graphql')
+        .set('Authorization', `${token}`)
+        .send({ query })
+        .expect(200);
+
+      expect(response.body.errors).toBeDefined();
+      expect(response.body.errors[0].message).toEqual('NotFoundError');
+    });
+  });
 });
diff --git a/packages/backend/src/types/global.d.ts b/packages/backend/src/types/global.d.ts
index 2770962d..ebe4219b 100644
--- a/packages/backend/src/types/global.d.ts
+++ b/packages/backend/src/types/global.d.ts
@@ -1,11 +1,10 @@
 import { Knex } from 'knex';
-import { Transaction } from 'objection';
 
 declare global {
   declare namespace globalThis {
     // eslint-disable-next-line no-var
     var knexInstance: Knex;
     // eslint-disable-next-line no-var
-    var knex: Transaction;
+    var knex: Knex.Transaction;
   }
 }
diff --git a/packages/backend/test/setup/global-hooks.ts b/packages/backend/test/setup/global-hooks.ts
index b7a19f64..c2a0132f 100644
--- a/packages/backend/test/setup/global-hooks.ts
+++ b/packages/backend/test/setup/global-hooks.ts
@@ -1,4 +1,4 @@
-import { transaction, Model } from 'objection';
+import { Model } from 'objection';
 import { client as knex } from '../../src/config/database';
 import logger from '../../src/helpers/logger';
 
@@ -12,7 +12,7 @@ global.beforeEach(async () => {
   // It's assigned as global.knex for the convenience even though
   // it's a transaction. It's rolled back after each test.
   // by assigning to knex, we can use it as knex.table('example') in tests files.
-  global.knex = await transaction.start(knex);
+  global.knex = await knex.transaction();
   Model.knex(global.knex);
 });