diff --git a/django/trancendence/accounts/tests.py b/django/trancendence/accounts/tests.py
index 7ce503c..80f2630 100644
--- a/django/trancendence/accounts/tests.py
+++ b/django/trancendence/accounts/tests.py
@@ -1,3 +1,264 @@
 from django.test import TestCase
 
 # Create your tests here.
+from django.test.client import Client
+from django.http import HttpResponse
+import uuid
+
+from .status_code import *
+from .settings import *
+
+class RegisterTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+
+        self.url: str = "/api/accounts/register"
+
+        self.username: str = str(uuid.uuid4())[:USERNAME_MAX_SIZE]
+        self.password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+
+    def test_incomplet_form_no_username_no_password(self):
+        response: HttpResponse = self.client.post(self.url)
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_incomplet_form_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_incomplet_form_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, "error: username invalid")
+    
+    def test_incomplet_form_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_normal_register(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USER_ADDED)
+
+    def test_username_too_short(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": "a" * (USERNAME_MIN_SIZE - (USERNAME_MIN_SIZE > 0)), "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME)
+
+    def test_username_too_long(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": "a" * (USERNAME_MAX_SIZE + 1), "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME)
+
+    def test_password_too_short(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": "a" * (PASSWORD_MIN_SIZE - (PASSWORD_MIN_SIZE > 0))})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_password_too_long(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": "a" * (PASSWORD_MAX_SIZE + 1)})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+        
+    def test_already_registered(self):
+        self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USERNAME_ALREADY_USED)
+
+class LoginTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+        
+        self.url = "/api/accounts/login"
+        
+        self.username: str = str(uuid.uuid4())[:USERNAME_MAX_SIZE]
+        self.password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+        
+        self.client.post("/api/accounts/register",  {"username": self.username, "password": self.password})
+    
+    def test_normal_login(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USER_VALID)
+
+    def test_invalid_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.password, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME)
+
+class LoginTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+        
+        self.url = "/api/accounts/login"
+        
+        self.username: str = str(uuid.uuid4())[:USERNAME_MAX_SIZE]
+        self.password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+        
+        self.client.post("/api/accounts/register",  {"username": self.username, "password": self.password})
+    
+    def test_normal_login(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USER_VALID)
+
+    def test_invalid_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.password, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+class DeleteTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+        
+        self.url = "/api/accounts/delete"
+        
+        self.username: str = str(uuid.uuid4())[:USERNAME_MAX_SIZE]
+        self.password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+        
+        self.client.post("/api/accounts/register",  {"username": self.username, "password": self.password})
+
+    def test_invalid_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.password, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+    
+    def test_normal_delete(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USER_DELETED)
+
+class ChangePasswordTest(TestCase):
+    def setUp(self):
+        self.client = Client()
+        
+        self.url = "/api/accounts/change_password"
+        
+        self.username: str = str(uuid.uuid4())[:USERNAME_MAX_SIZE]
+        self.password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+        self.new_password: str = str(uuid.uuid4())[:PASSWORD_MAX_SIZE]
+        
+        self.client.post("/api/accounts/register",  {"username": self.username, "password": self.password})
+    
+    def test_normal_login(self):
+        response: HttpResponse = self.client.post("/api/accounts/login",  {"username": self.username, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, USER_VALID)
+
+    def test_invalid_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.password, "password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "password": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {"password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+
+    def test_invalid_no_password_no_username(self):
+        response: HttpResponse = self.client.post(self.url,  {})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_USERNAME_PASSWORD)
+    
+    def test_no_new_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "current_password": self.password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_new_password_to_short(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "current_password": self.password, "new_password": "a" * (PASSWORD_MIN_SIZE - (PASSWORD_MIN_SIZE > 0))})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_new_password_to_long(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "current_password": self.password, "new_password": "a" * (PASSWORD_MAX_SIZE + 1)})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, INVALID_PASSWORD)
+
+    def test_normal_change_password(self):
+        response: HttpResponse = self.client.post(self.url,  {"username": self.username, "current_password": self.password, "new_password": self.new_password})
+        response_text: str = response.content.decode("utf-8")
+        self.assertEqual(response_text, PASSWORD_UPDATED)
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