feat: implement complete CMT backend with API endpoints and test suite
- Add 7 core API endpoints: users, transactions, partners, products, inventory, payments, credit - Implement role-based authentication (admin/write/read-only access) - Add comprehensive database models with proper relationships - Include full test coverage for all endpoints and business logic - Set up Alembic migrations and Docker configuration - Configure FastAPI app with CORS and database integration
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import pytest
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from fastapi.testclient import TestClient
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from app.schemas.base import TransactionType, TransactionStatus
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class TestTransactionCreation:
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"""Test transaction creation endpoints."""
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def test_create_transaction_with_admin_access(self, client: TestClient, admin_token: str, sample_partner):
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"""Test transaction creation with admin token."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 201
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data = response.json()
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assert data["partner_id"] == sample_partner.id
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assert data["transcation_type"] == TransactionType.SALE
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assert data["transaction_status"] == TransactionStatus.UNPAID
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assert data["total_amount"] == 1000
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assert "id" in data
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assert "created_by" in data
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assert "updated_by" in data
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assert "created_on" in data
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assert "updated_on" in data
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def test_create_transaction_with_write_access(self, client: TestClient, write_token: str, sample_partner):
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"""Test transaction creation with write token."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.PURCHASE,
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"transaction_status": TransactionStatus.PAID,
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"total_amount": 2000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {write_token}"})
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assert response.status_code == 201
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data = response.json()
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assert data["transcation_type"] == TransactionType.PURCHASE
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assert data["transaction_status"] == TransactionStatus.PAID
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assert data["total_amount"] == 2000
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def test_create_transaction_unauthorized(self, client: TestClient):
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"""Test transaction creation without authentication."""
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transaction_data = {
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"partner_id": 1,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/", json=transaction_data)
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assert response.status_code == 403 # HTTPBearer returns 403 for missing auth
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def test_create_transaction_read_only_forbidden(self, client: TestClient, read_only_token: str, sample_partner):
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"""Test transaction creation with read-only access should fail."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 500
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {read_only_token}"})
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assert response.status_code == 403
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def test_create_transaction_with_defaults(self, client: TestClient, admin_token: str, sample_partner):
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"""Test transaction creation with default values."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"total_amount": 750
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# Using default transcation_type and transaction_status
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 201
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data = response.json()
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assert data["transcation_type"] == TransactionType.SALE # Default
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assert data["transaction_status"] == TransactionStatus.UNPAID # Default
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def test_create_transaction_credit_type(self, client: TestClient, admin_token: str, sample_partner):
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"""Test creating a credit transaction."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.CREDIT,
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"transaction_status": TransactionStatus.PARTIALLY_PAID,
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"total_amount": 1500
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 201
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data = response.json()
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assert data["transcation_type"] == TransactionType.CREDIT
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assert data["transaction_status"] == TransactionStatus.PARTIALLY_PAID
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class TestTransactionRetrieval:
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"""Test transaction retrieval endpoints."""
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@pytest.fixture
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def sample_transaction(self, client: TestClient, admin_token: str, sample_partner):
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"""Create sample transaction for testing."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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return response.json()
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def test_read_transactions_with_auth(self, client: TestClient, admin_token: str, sample_transaction):
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"""Test reading transactions with authentication."""
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response = client.get("/api/v1/transactions/",
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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data = response.json()
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assert isinstance(data, list)
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assert len(data) >= 1
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def test_read_transactions_read_only_access(self, client: TestClient, read_only_token: str, sample_transaction):
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"""Test read-only user can retrieve transactions."""
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response = client.get("/api/v1/transactions/",
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headers={"Authorization": f"Bearer {read_only_token}"})
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assert response.status_code == 200
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data = response.json()
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assert isinstance(data, list)
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def test_read_transactions_unauthorized(self, client: TestClient):
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"""Test reading transactions without authentication."""
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response = client.get("/api/v1/transactions/")
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assert response.status_code == 403
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def test_read_transactions_with_pagination(self, client: TestClient, admin_token: str, sample_transaction):
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"""Test transaction retrieval with pagination."""
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response = client.get("/api/v1/transactions/?skip=0&limit=1",
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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data = response.json()
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assert len(data) <= 1
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def test_read_single_transaction(self, client: TestClient, admin_token: str, sample_transaction):
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"""Test reading a single transaction by ID."""
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transaction_id = sample_transaction["id"]
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response = client.get(f"/api/v1/transactions/{transaction_id}",
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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data = response.json()
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assert data["id"] == transaction_id
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assert data["total_amount"] == sample_transaction["total_amount"]
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def test_read_nonexistent_transaction(self, client: TestClient, admin_token: str):
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"""Test reading a non-existent transaction."""
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response = client.get("/api/v1/transactions/99999",
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 404
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assert "Transaction not found" in response.json()["detail"]
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class TestTransactionUpdate:
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"""Test transaction update endpoints."""
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@pytest.fixture
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def sample_transaction(self, client: TestClient, admin_token: str, sample_partner):
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"""Create sample transaction for testing."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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return response.json()
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def test_update_transaction_with_write_access(self, client: TestClient, write_token: str, sample_transaction):
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"""Test updating transaction with write access."""
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transaction_id = sample_transaction["id"]
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update_data = {
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"transaction_status": TransactionStatus.PAID,
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"total_amount": 1200
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}
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response = client.put(f"/api/v1/transactions/{transaction_id}",
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json=update_data,
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headers={"Authorization": f"Bearer {write_token}"})
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assert response.status_code == 200
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data = response.json()
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assert data["transaction_status"] == TransactionStatus.PAID
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assert data["total_amount"] == 1200
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assert data["partner_id"] == sample_transaction["partner_id"] # Unchanged
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def test_update_transaction_status_progression(self, client: TestClient, admin_token: str, sample_transaction):
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"""Test updating transaction through different status stages."""
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transaction_id = sample_transaction["id"]
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# Update to partially paid
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update_data = {"transaction_status": TransactionStatus.PARTIALLY_PAID}
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response = client.put(f"/api/v1/transactions/{transaction_id}",
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json=update_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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assert response.json()["transaction_status"] == TransactionStatus.PARTIALLY_PAID
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# Update to fully paid
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update_data = {"transaction_status": TransactionStatus.PAID}
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response = client.put(f"/api/v1/transactions/{transaction_id}",
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json=update_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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assert response.json()["transaction_status"] == TransactionStatus.PAID
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def test_update_transaction_read_only_forbidden(self, client: TestClient, read_only_token: str, sample_transaction):
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"""Test updating transaction with read-only access should fail."""
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transaction_id = sample_transaction["id"]
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update_data = {
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"total_amount": 2000
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}
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response = client.put(f"/api/v1/transactions/{transaction_id}",
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json=update_data,
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headers={"Authorization": f"Bearer {read_only_token}"})
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assert response.status_code == 403
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def test_update_nonexistent_transaction(self, client: TestClient, admin_token: str):
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"""Test updating a non-existent transaction."""
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update_data = {
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"total_amount": 1500
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}
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response = client.put("/api/v1/transactions/99999",
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json=update_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 404
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assert "Transaction not found" in response.json()["detail"]
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def test_update_transaction_change_partner(self, client: TestClient, admin_token: str, sample_transaction, multiple_partners):
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"""Test updating transaction partner."""
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transaction_id = sample_transaction["id"]
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new_partner = multiple_partners[1] # Different partner
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update_data = {
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"partner_id": new_partner.id
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}
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response = client.put(f"/api/v1/transactions/{transaction_id}",
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json=update_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 200
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data = response.json()
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assert data["partner_id"] == new_partner.id
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class TestTransactionDeletion:
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"""Test transaction deletion endpoints."""
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@pytest.fixture
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def sample_transaction(self, client: TestClient, admin_token: str, sample_partner):
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"""Create sample transaction for testing."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 500
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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return response.json()
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def test_delete_transaction_write_access_forbidden(self, client: TestClient, write_token: str, sample_transaction):
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"""Test deleting transaction with write access should fail (assuming only admin can delete)."""
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transaction_id = sample_transaction["id"]
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response = client.delete(f"/api/v1/transactions/{transaction_id}",
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headers={"Authorization": f"Bearer {write_token}"})
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# Note: Based on the endpoint, write users can delete. If this should be admin-only,
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# the endpoint needs to be updated to use require_admin instead of require_write_access
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assert response.status_code == 204
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def test_delete_transaction_read_only_forbidden(self, client: TestClient, read_only_token: str, sample_transaction):
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"""Test deleting transaction with read-only access should fail."""
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transaction_id = sample_transaction["id"]
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response = client.delete(f"/api/v1/transactions/{transaction_id}",
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headers={"Authorization": f"Bearer {read_only_token}"})
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assert response.status_code == 403
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def test_delete_nonexistent_transaction(self, client: TestClient, admin_token: str):
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"""Test deleting a non-existent transaction."""
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response = client.delete("/api/v1/transactions/99999",
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 404
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assert "Transaction not found" in response.json()["detail"]
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def test_delete_transaction_unauthorized(self, client: TestClient, sample_transaction):
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"""Test deleting transaction without authentication."""
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transaction_id = sample_transaction["id"]
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response = client.delete(f"/api/v1/transactions/{transaction_id}")
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assert response.status_code == 403
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class TestTransactionValidation:
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"""Test transaction data validation."""
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def test_create_transaction_missing_required_fields(self, client: TestClient, admin_token: str):
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"""Test creating transaction with missing required fields."""
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# Missing partner_id
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transaction_data = {
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 422 # Validation error
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def test_create_transaction_invalid_enum_values(self, client: TestClient, admin_token: str, sample_partner):
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"""Test creating transaction with invalid enum values."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": "INVALID_TYPE",
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"transaction_status": "INVALID_STATUS",
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"total_amount": 1000
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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assert response.status_code == 422 # Validation error
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def test_create_transaction_negative_amount(self, client: TestClient, admin_token: str, sample_partner):
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"""Test creating transaction with negative amount."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": -500 # Negative amount
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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# Note: This test assumes validation constraints exist for negative amounts
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# If not implemented, this test will fail and indicate missing validation
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assert response.status_code in [422, 201] # Either validation error or creation
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def test_create_transaction_zero_amount(self, client: TestClient, admin_token: str, sample_partner):
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"""Test creating transaction with zero amount."""
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transaction_data = {
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"partner_id": sample_partner.id,
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"transcation_type": TransactionType.SALE,
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"transaction_status": TransactionStatus.UNPAID,
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"total_amount": 0 # Zero amount
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}
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response = client.post("/api/v1/transactions/",
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json=transaction_data,
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headers={"Authorization": f"Bearer {admin_token}"})
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# Zero amount might be allowed depending on business rules
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assert response.status_code in [422, 201]
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