feat: added client app

solution/services/backend/apps/client/tests.py

@@ -0,0 +1,53 @@
+from django.core.exceptions import ValidationError
+from django.test import TestCase
+from apps.client.models import Client
+
+
+class ClientModelTest(TestCase):
+    def setUp(self):
+        self.client = Client.objects.create(
+            login="test_client",
+            age=25,
+            location="Test City",
+            gender=Client.GenderChoices.MALE,
+        )
+
+    def test_client_creation_success(self):
+        self.assertEqual(self.client.login, "test_client")
+        self.assertEqual(self.client.age, 25)
+        self.assertEqual(self.client.location, "Test City")
+        self.assertEqual(self.client.gender, Client.GenderChoices.MALE)
+
+    def test_client_string_representation(self):
+        self.assertEqual(str(self.client), "test_client")
+
+    def test_client_id_property(self):
+        new_id = self.client.id
+        self.client.client_id = new_id
+
+        self.assertEqual(self.client.client_id, new_id)
+
+    def test_age_cannot_exceed_max_value(self):
+        self.client.age = 120
+
+        with self.assertRaises(ValidationError):
+            self.client.full_clean()
+
+    def test_valid_gender_choices(self):
+        self.client.gender = "MALE"
+        self.client.full_clean()
+
+        self.client.gender = "FEMALE"
+        self.client.full_clean()
+
+    def test_invalid_gender_choice(self):
+        self.client.gender = "OTHER"
+
+        with self.assertRaises(ValidationError):
+            self.client.full_clean()
+
+    def test_blank_login(self):
+        self.client.login = ""
+
+        with self.assertRaises(ValidationError):
+            self.client.full_clean()