""" Integration test for multi-tenant data isolation. This test MUST fail before implementation. """ import pytest from django.test import TestCase from django.urls import reverse from rest_framework.test import APIClient from rest_framework import status import json class TenantIsolationIntegrationTest(TestCase): def setUp(self): self.client = APIClient() # Super admin authentication header self.admin_auth = {'HTTP_AUTHORIZATION': 'Bearer super_admin_token'} # Tenant 1 authentication header self.tenant1_auth = {'HTTP_AUTHORIZATION': 'Bearer tenant1_admin_token'} # Tenant 2 authentication header self.tenant2_auth = {'HTTP_AUTHORIZATION': 'Bearer tenant2_admin_token'} # Test data for different tenants self.tenant1_user_data = { 'email': 'user1@tenant1.com', 'name': 'User One', 'role': 'MANAGER', 'department': 'Sales' } self.tenant2_user_data = { 'email': 'user1@tenant2.com', 'name': 'User One Duplicate', 'role': 'MANAGER', 'department': 'Marketing' } self.tenant1_product_data = { 'sku': 'PROD-001', 'name': 'Product A', 'category': 'ELECTRONICS', 'price': 999.99 } self.tenant2_product_data = { 'sku': 'PROD-001', # Same SKU as tenant1 'name': 'Product A Different', 'category': 'ELECTRONICS', 'price': 899.99 } def test_user_data_isolation(self): """Test that user data is properly isolated between tenants.""" # Step 1: Create users in different tenants with same email structure tenant1_user_response = self.client.post( '/api/v1/users/', data=json.dumps(self.tenant1_user_data), content_type='application/json', **self.tenant1_auth ) assert tenant1_user_response.status_code == status.HTTP_201_CREATED tenant1_user = tenant1_user_response.json() tenant2_user_response = self.client.post( '/api/v1/users/', data=json.dumps(self.tenant2_user_data), content_type='application/json', **self.tenant2_auth ) assert tenant2_user_response.status_code == status.HTTP_201_CREATED tenant2_user = tenant2_user_response.json() # Step 2: Verify tenant isolation - each tenant should only see their own users tenant1_users_response = self.client.get( '/api/v1/users/', **self.tenant1_auth ) assert tenant1_users_response.status_code == status.HTTP_200_OK tenant1_users = tenant1_users_response.json()['users'] # Should only see users from tenant1 assert len(tenant1_users) == 1 assert tenant1_users[0]['email'] == self.tenant1_user_data['email'] assert tenant1_users[0]['tenant_id'] == tenant1_user['tenant_id'] tenant2_users_response = self.client.get( '/api/v1/users/', **self.tenant2_auth ) assert tenant2_users_response.status_code == status.HTTP_200_OK tenant2_users = tenant2_users_response.json()['users'] # Should only see users from tenant2 assert len(tenant2_users) == 1 assert tenant2_users[0]['email'] == self.tenant2_user_data['email'] assert tenant2_users[0]['tenant_id'] == tenant2_user['tenant_id'] # Step 3: Super admin should see all users admin_users_response = self.client.get( '/api/v1/users/', **self.admin_auth ) assert admin_users_response.status_code == status.HTTP_200_OK admin_users = admin_users_response.json()['users'] # Should see users from both tenants assert len(admin_users) >= 2 user_emails = [user['email'] for user in admin_users] assert self.tenant1_user_data['email'] in user_emails assert self.tenant2_user_data['email'] in user_emails def test_product_data_isolation(self): """Test that product data is properly isolated between tenants.""" # Step 1: Create products with same SKU in different tenants tenant1_product_response = self.client.post( '/api/v1/retail/products/', data=json.dumps(self.tenant1_product_data), content_type='application/json', **self.tenant1_auth ) assert tenant1_product_response.status_code == status.HTTP_201_CREATED tenant1_product = tenant1_product_response.json() tenant2_product_response = self.client.post( '/api/v1/retail/products/', data=json.dumps(self.tenant2_product_data), content_type='application/json', **self.tenant2_auth ) assert tenant2_product_response.status_code == status.HTTP_201_CREATED tenant2_product = tenant2_product_response.json() # Step 2: Verify SKU isolation - same SKU allowed in different tenants assert tenant1_product['sku'] == tenant2_product['sku'] assert tenant1_product['id'] != tenant2_product['id'] assert tenant1_product['tenant_id'] != tenant2_product['tenant_id'] # Step 3: Test product retrieval isolation tenant1_products_response = self.client.get( '/api/v1/retail/products/', **self.tenant1_auth ) assert tenant1_products_response.status_code == status.HTTP_200_OK tenant1_products = tenant1_products_response.json()['products'] # Should only see products from tenant1 assert len(tenant1_products) == 1 assert tenant1_products[0]['name'] == self.tenant1_product_data['name'] assert tenant1_products[0]['tenant_id'] == tenant1_product['tenant_id'] tenant2_products_response = self.client.get( '/api/v1/retail/products/', **self.tenant2_auth ) assert tenant2_products_response.status_code == status.HTTP_200_OK tenant2_products = tenant2_products_response.json()['products'] # Should only see products from tenant2 assert len(tenant2_products) == 1 assert tenant2_products[0]['name'] == self.tenant2_product_data['name'] assert tenant2_products[0]['tenant_id'] == tenant2_product['tenant_id'] def test_healthcare_data_isolation(self): """Test that healthcare patient data is properly isolated.""" # Patient data for different tenants tenant1_patient_data = { 'ic_number': '900101-10-1234', 'name': 'Ahmad bin Hassan', 'gender': 'MALE', 'date_of_birth': '1990-01-01' } tenant2_patient_data = { 'ic_number': '900101-10-1234', # Same IC number 'name': 'Ahmad bin Ali', # Different name 'gender': 'MALE', 'date_of_birth': '1990-01-01' } # Create patients in different tenants tenant1_patient_response = self.client.post( '/api/v1/healthcare/patients/', data=json.dumps(tenant1_patient_data), content_type='application/json', **self.tenant1_auth ) assert tenant1_patient_response.status_code == status.HTTP_201_CREATED tenant1_patient = tenant1_patient_response.json() tenant2_patient_response = self.client.post( '/api/v1/healthcare/patients/', data=json.dumps(tenant2_patient_data), content_type='application/json', **self.tenant2_auth ) assert tenant2_patient_response.status_code == status.HTTP_201_CREATED tenant2_patient = tenant2_patient_response.json() # Verify same IC number allowed in different tenants (healthcare compliance) assert tenant1_patient['ic_number'] == tenant2_patient['ic_number'] assert tenant1_patient['id'] != tenant2_patient['id'] # Test patient data isolation tenant1_patients_response = self.client.get( '/api/v1/healthcare/patients/', **self.tenant1_auth ) assert tenant1_patients_response.status_code == status.HTTP_200_OK tenant1_patients = tenant1_patients_response.json()['patients'] # Should only see patients from tenant1 assert len(tenant1_patients) == 1 assert tenant1_patients[0]['name'] == tenant1_patient_data['name'] def test_cross_tenant_access_prevention(self): """Test that cross-tenant access is properly prevented.""" # Step 1: Create a user in tenant1 tenant1_user_response = self.client.post( '/api/v1/users/', data=json.dumps(self.tenant1_user_data), content_type='application/json', **self.tenant1_auth ) assert tenant1_user_response.status_code == status.HTTP_201_CREATED created_user = tenant1_user_response.json() user_id = created_user['id'] # Step 2: Try to access tenant1 user from tenant2 (should fail) tenant2_access_response = self.client.get( f'/api/v1/users/{user_id}/', **self.tenant2_auth ) assert tenant2_access_response.status_code == status.HTTP_404_NOT_FOUND # Step 3: Try to modify tenant1 user from tenant2 (should fail) modify_data = {'name': 'Hacked Name'} tenant2_modify_response = self.client.put( f'/api/v1/users/{user_id}/', data=json.dumps(modify_data), content_type='application/json', **self.tenant2_auth ) assert tenant2_modify_response.status_code == status.HTTP_404_NOT_FOUND # Step 4: Verify user data is unchanged verify_response = self.client.get( f'/api/v1/users/{user_id}/', **self.tenant1_auth ) assert verify_response.status_code == status.HTTP_200_OK verified_user = verify_response.json() assert verified_user['name'] == self.tenant1_user_data['name'] def test_database_row_level_security(self): """Test that database row-level security is working.""" # This test verifies that data isolation is enforced at the database level # Create test data in both tenants self.client.post( '/api/v1/users/', data=json.dumps(self.tenant1_user_data), content_type='application/json', **self.tenant1_auth ) self.client.post( '/api/v1/users/', data=json.dumps(self.tenant2_user_data), content_type='application/json', **self.tenant2_auth ) # Test direct database queries would be isolated # This is more of an integration test that would require actual database setup pass def test_file_storage_isolation(self): """Test that file storage is properly isolated between tenants.""" # Upload files for different tenants # This would test file storage isolation mechanisms pass def test_cache_isolation(self): """Test that cache keys are properly isolated between tenants.""" # Test that cache keys include tenant information # This ensures cache data doesn't leak between tenants pass def test_tenant_context_propagation(self): """Test that tenant context is properly propagated through the system.""" # Create a user and verify tenant context is maintained across operations user_response = self.client.post( '/api/v1/users/', data=json.dumps(self.tenant1_user_data), content_type='application/json', **self.tenant1_auth ) assert user_response.status_code == status.HTTP_201_CREATED created_user = user_response.json() # Verify tenant ID is consistently set assert 'tenant_id' in created_user tenant_id = created_user['tenant_id'] # Create a product and verify same tenant context product_response = self.client.post( '/api/v1/retail/products/', data=json.dumps(self.tenant1_product_data), content_type='application/json', **self.tenant1_auth ) assert product_response.status_code == status.HTTP_201_CREATED created_product = product_response.json() assert created_product['tenant_id'] == tenant_id def test_tenant_configuration_isolation(self): """Test that tenant configurations are properly isolated.""" # Set tenant-specific configurations tenant1_config = { 'timezone': 'Asia/Kuala_Lumpur', 'currency': 'MYR', 'date_format': 'DD/MM/YYYY' } tenant2_config = { 'timezone': 'Asia/Singapore', 'currency': 'SGD', 'date_format': 'MM/DD/YYYY' } # Apply configurations (would need actual config endpoints) # Verify configurations don't interfere pass def test_tenant_performance_isolation(self): """Test that one tenant's performance doesn't affect others.""" # This would test resource limits and performance isolation pass def test_audit_log_tenant_isolation(self): """Test that audit logs are properly isolated by tenant.""" # Perform actions in different tenants self.client.post( '/api/v1/users/', data=json.dumps(self.tenant1_user_data), content_type='application/json', **self.tenant1_auth ) self.client.post( '/api/v1/users/', data=json.dumps(self.tenant2_user_data), content_type='application/json', **self.tenant2_auth ) # Check that each tenant only sees their own audit logs tenant1_audit_response = self.client.get( '/api/v1/audit/logs/', **self.tenant1_auth ) assert tenant1_audit_response.status_code == status.HTTP_200_OK tenant1_logs = tenant1_audit_response.json()['logs'] # Should only see logs from tenant1 operations for log in tenant1_logs: assert log['tenant_id'] is not None # Super admin should see all logs admin_audit_response = self.client.get( '/api/v1/audit/logs/', **self.admin_auth ) assert admin_audit_response.status_code == status.HTTP_200_OK admin_logs = admin_audit_response.json()['logs'] # Should see logs from both tenants assert len(admin_logs) >= len(tenant1_logs)