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from __future__ import unicode_literals
from decimal import Decimal
from unittest import TestCase
from mock import patch, NonCallableMock
from payments import core
from .forms import CreditCardPaymentFormWithName, PaymentForm
from .models import BasePayment
class TestHelpers(TestCase):
@patch('payments.core.PAYMENT_HOST', new_callable=NonCallableMock)
def test_text_get_base_url(self, host):
host.__str__ = lambda x: "example.com/string"
self.assertEqual(core.get_base_url(), "https://example.com/string")
@patch('payments.core.PAYMENT_HOST')
def test_callable_get_base_url(self, host):
host.return_value = "example.com/callable"
self.assertEqual(core.get_base_url(), "https://example.com/callable")
class TestProviderFactory(TestCase):
def test_provider_factory(self):
core.provider_factory('default')
def test_provider_does_not_exist(self):
self.assertRaises(ValueError, core.provider_factory, 'fake_provider')
class TestBasePayment(TestCase):
def test_payment_attributes(self):
payment = BasePayment(
extra_data='{"attr1": "test1", "attr2": "test2"}')
self.assertEqual(payment.attrs.attr1, "test1")
self.assertEqual(payment.attrs.attr2, 'test2')
def test_capture_with_wrong_status(self):
payment = BasePayment(variant='default', status='waiting')
self.assertRaises(ValueError, payment.capture)
@patch('payments.dummy.DummyProvider.capture')
def test_capture_preauth_successfully(self, mocked_capture_method):
amount = Decimal('20')
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
mocked_capture_method.return_value = amount
payment = BasePayment(variant='default', status='preauth')
payment.capture(amount)
self.assertEqual(payment.status, 'confirmed')
self.assertEqual(payment.captured_amount, amount)
self.assertEqual(mocked_capture_method.call_count, 1)
@patch('payments.dummy.DummyProvider.capture')
def test_capture_preauth_without_amount(self, mocked_capture_method):
amount = None
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
mocked_capture_method.return_value = amount
captured_amount = Decimal('100')
status = 'preauth'
payment = BasePayment(variant='default', status=status,
captured_amount=captured_amount)
payment.capture(amount)
self.assertEqual(payment.status, status)
self.assertEqual(payment.captured_amount, captured_amount)
self.assertEqual(mocked_capture_method.call_count, 1)
def test_release_with_wrong_status(self):
payment = BasePayment(variant='default', status='waiting')
self.assertRaises(ValueError, payment.release)
@patch('payments.dummy.DummyProvider.release')
def test_release_preauth_successfully(self, mocked_release_method):
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
payment = BasePayment(variant='default', status='preauth')
payment.release()
self.assertEqual(payment.status, 'refunded')
self.assertEqual(mocked_release_method.call_count, 1)
def test_refund_with_wrong_status(self):
payment = BasePayment(variant='default', status='waiting')
self.assertRaises(ValueError, payment.refund)
def test_refund_too_high_amount(self):
payment = BasePayment(variant='default', status='confirmed',
captured_amount=Decimal('100'))
self.assertRaises(ValueError, payment.refund, Decimal('200'))
@patch('payments.dummy.DummyProvider.refund')
def test_refund_without_amount(self, mocked_refund_method):
refund_amount = None
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
mocked_refund_method.return_value = refund_amount
captured_amount = Decimal('200')
status = 'confirmed'
payment = BasePayment(variant='default', status=status,
captured_amount=captured_amount)
payment.refund(refund_amount)
self.assertEqual(payment.status, status)
self.assertEqual(payment.captured_amount, captured_amount)
self.assertEqual(mocked_refund_method.call_count, 0)
@patch('payments.dummy.DummyProvider.refund')
def test_refund_partial_success(self, mocked_refund_method):
refund_amount = Decimal('100')
captured_amount = Decimal('200')
status = 'confirmed'
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
mocked_refund_method.return_value = refund_amount
payment = BasePayment(variant='default', status=status,
captured_amount=captured_amount)
payment.refund(refund_amount)
self.assertEqual(payment.status, status)
self.assertEqual(payment.captured_amount, Decimal('100'))
self.assertEqual(mocked_refund_method.call_count, 1)
@patch('payments.dummy.DummyProvider.refund')
def test_refund_fully_success(self, mocked_refund_method):
refund_amount = Decimal('200')
captured_amount = Decimal('200')
with patch.object(BasePayment, 'save') as mocked_save_method:
mocked_save_method.return_value = None
mocked_refund_method.return_value = refund_amount
payment = BasePayment(variant='default', status='confirmed',
captured_amount=captured_amount)
payment.refund(refund_amount)
self.assertEqual(payment.status, 'refunded')
self.assertEqual(payment.captured_amount, Decimal('0'))
self.assertEqual(mocked_refund_method.call_count, 1)
class TestCreditCardPaymentForm(TestCase):
def setUp(self):
self.data = {
'name': 'John Doe',
'number': '4716124728800975',
'expiration_0': '5',
'expiration_1': '2020',
'cvv2': '123'}
def test_form_verifies_card_number(self):
form = CreditCardPaymentFormWithName(data=self.data)
self.assertTrue(form.is_valid())
def test_form_raises_error_for_invalid_card_number(self):
data = dict(self.data)
data.update({'number': '1112223334445556'})
form = CreditCardPaymentFormWithName(data=data)
self.assertFalse(form.is_valid())
self.assertIn('number', form.errors)
def test_form_raises_error_for_invalid_cvv2(self):
data = dict(self.data)
data.update({'cvv2': '12345'})
form = CreditCardPaymentFormWithName(data=data)
self.assertFalse(form.is_valid())
self.assertIn('cvv2', form.errors)
class TestPaymentForm(TestCase):
def test_form_contains_hidden_fields(self):
data = {
'field1': 'value1',
'field2': 'value2',
'field3': 'value3',
'field4': 'value4'}
form = PaymentForm(data=data, hidden_inputs=True)
self.assertEqual(len(form.fields), len(data))
self.assertEqual(form.fields['field1'].initial, 'value1')
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