Files
WYGIWYH/app/apps/transactions/tests/test_models.py

243 lines
8.9 KiB
Python

import datetime
from decimal import Decimal
from django.test import TestCase
from django.utils import timezone
from apps.transactions.models import (
TransactionCategory,
TransactionTag,
Transaction,
InstallmentPlan,
RecurringTransaction,
)
from apps.accounts.models import Account, AccountGroup
from apps.currencies.models import Currency, ExchangeRate
class TransactionCategoryTests(TestCase):
def test_category_creation(self):
"""Test basic category creation"""
category = TransactionCategory.objects.create(name="Groceries")
self.assertEqual(str(category), "Groceries")
self.assertFalse(category.mute)
class TransactionTagTests(TestCase):
def test_tag_creation(self):
"""Test basic tag creation"""
tag = TransactionTag.objects.create(name="Essential")
self.assertEqual(str(tag), "Essential")
class TransactionTests(TestCase):
def setUp(self):
"""Set up test data"""
self.currency = Currency.objects.create(
code="USD", name="US Dollar", decimal_places=2, prefix="$ "
)
self.account_group = AccountGroup.objects.create(name="Test Group")
self.account = Account.objects.create(
name="Test Account", group=self.account_group, currency=self.currency
)
self.category = TransactionCategory.objects.create(name="Test Category")
def test_transaction_creation(self):
"""Test basic transaction creation with required fields"""
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction",
)
self.assertTrue(transaction.is_paid)
self.assertEqual(transaction.type, Transaction.Type.EXPENSE)
self.assertEqual(transaction.account.currency.code, "USD")
def test_transaction_with_exchange_currency(self):
"""Test transaction with exchange currency"""
eur = Currency.objects.create(
code="EUR", name="Euro", decimal_places=2, prefix=""
)
self.account.exchange_currency = eur
self.account.save()
# Create exchange rate
ExchangeRate.objects.create(
from_currency=self.currency,
to_currency=eur,
rate=Decimal("0.85"),
date=timezone.now(),
)
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction",
)
exchanged = transaction.exchanged_amount()
self.assertIsNotNone(exchanged)
self.assertEqual(exchanged["prefix"], "")
def test_truncating_amount(self):
"""Test amount truncating based on account.currency decimal places"""
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal(
"100.0100001"
), # account currency has two decimal places, the last 1 should be removed
description="Test transaction",
)
self.assertEqual(transaction.amount, Decimal("100.0100000"))
def test_automatic_reference_date(self):
"""Test reference_date from date"""
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=datetime.datetime(day=20, month=1, year=2000).date(),
amount=Decimal("100"),
description="Test transaction",
)
self.assertEqual(
transaction.reference_date,
datetime.datetime(day=1, month=1, year=2000).date(),
)
def test_reference_date_is_always_on_first_day(self):
"""Test reference_date is always on the first day"""
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=datetime.datetime(day=20, month=1, year=2000).date(),
reference_date=datetime.datetime(day=20, month=2, year=2000).date(),
amount=Decimal("100"),
description="Test transaction",
)
self.assertEqual(
transaction.reference_date,
datetime.datetime(day=1, month=2, year=2000).date(),
)
def test_empty_internal_id_converts_to_none(self):
"""Test that empty string internal_id is converted to None"""
transaction = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction",
internal_id="", # Empty string should become None
)
self.assertIsNone(transaction.internal_id)
def test_unique_internal_id_works(self):
"""Test that unique non-empty internal_id values work correctly"""
transaction1 = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction 1",
internal_id="unique-id-123",
)
transaction2 = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction 2",
internal_id="unique-id-456",
)
self.assertEqual(transaction1.internal_id, "unique-id-123")
self.assertEqual(transaction2.internal_id, "unique-id-456")
def test_multiple_transactions_with_empty_internal_id(self):
"""Test that multiple transactions can have empty/None internal_id"""
transaction1 = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction 1",
internal_id="",
)
transaction2 = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction 2",
internal_id="",
)
transaction3 = Transaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
date=timezone.now().date(),
amount=Decimal("100.00"),
description="Test transaction 3",
internal_id=None,
)
# All should be saved successfully with None internal_id
self.assertIsNone(transaction1.internal_id)
self.assertIsNone(transaction2.internal_id)
self.assertIsNone(transaction3.internal_id)
class InstallmentPlanTests(TestCase):
def setUp(self):
"""Set up test data"""
self.currency = Currency.objects.create(
code="USD", name="US Dollar", decimal_places=2, prefix="$ "
)
self.account = Account.objects.create(
name="Test Account", currency=self.currency
)
def test_installment_plan_creation(self):
"""Test basic installment plan creation"""
plan = InstallmentPlan.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
description="Test Plan",
number_of_installments=12,
start_date=timezone.now().date(),
installment_amount=Decimal("100.00"),
recurrence=InstallmentPlan.Recurrence.MONTHLY,
)
self.assertEqual(plan.number_of_installments, 12)
self.assertEqual(plan.installment_start, 1)
self.assertEqual(plan.account.currency.code, "USD")
class RecurringTransactionTests(TestCase):
def setUp(self):
"""Set up test data"""
self.currency = Currency.objects.create(
code="USD", name="US Dollar", decimal_places=2, prefix="$ "
)
self.account = Account.objects.create(
name="Test Account", currency=self.currency
)
def test_recurring_transaction_creation(self):
"""Test basic recurring transaction creation"""
recurring = RecurringTransaction.objects.create(
account=self.account,
type=Transaction.Type.EXPENSE,
amount=Decimal("100.00"),
description="Monthly Payment",
start_date=timezone.now().date(),
recurrence_type=RecurringTransaction.RecurrenceType.MONTH,
recurrence_interval=1,
)
self.assertFalse(recurring.is_paused)
self.assertEqual(recurring.recurrence_interval, 1)
self.assertEqual(recurring.account.currency.code, "USD")