edan_f0/tests/integration/order/test_models.py

from datetime import datetime, timedelta
from decimal import Decimal as D
from unittest import mock

from django.test import TestCase, override_settings
from django.utils import timezone
from django.utils.translation import gettext_lazy as _

from oscar.apps.order.exceptions import (
    InvalidLineStatus, InvalidOrderStatus, InvalidShippingEvent)
from oscar.apps.order.models import (
    Line, Order, OrderDiscount, OrderNote, ShippingEvent,
    ShippingEventQuantity, ShippingEventType)
from oscar.apps.order.signals import (
    order_line_status_changed, order_status_changed)
from oscar.test.basket import add_product
from oscar.test.contextmanagers import mock_signal_receiver
from oscar.test.factories import (
    OrderFactory, OrderLineFactory, ShippingAddressFactory,
    ShippingEventFactory, create_basket, create_offer,
    create_order, create_voucher)

ORDER_PLACED = 'order_placed'


class ShippingAddressTest(TestCase):

    def test_titleless_salutation_is_stripped(self):
        a = ShippingAddressFactory(
            first_name='', last_name='Barrington', line1="75 Smith Road",
            postcode="N4 8TY")
        self.assertEqual("Barrington", a.salutation)


class OrderStatusPipelineTests(TestCase):

    def setUp(self):
        Order.pipeline = {'PENDING': ('SHIPPED', 'CANCELLED'),
                          'SHIPPED': ('COMPLETE',),
                          'COMPLETE': (),
                          'CANCELLED': ()}
        Order.cascade = {'SHIPPED': 'SHIPPED'}

    def tearDown(self):
        Order.pipeline = {}
        Order.cascade = {}

    def test_all_statuses_class_method(self):
        self.assertEqual(
            ['CANCELLED', 'COMPLETE', 'PENDING', 'SHIPPED'],
            sorted(Order.all_statuses()),
        )

    def test_available_statuses_for_pending(self):
        self.order = create_order(status='PENDING')
        self.assertEqual(('SHIPPED', 'CANCELLED'),
                         self.order.available_statuses())

    def test_available_statuses_for_shipped_order(self):
        self.order = create_order(status='SHIPPED')
        self.assertEqual(('COMPLETE',), self.order.available_statuses())

    def test_no_statuses_available_for_no_status(self):
        self.order = create_order()
        self.assertEqual((), self.order.available_statuses())

    def test_set_status_respects_pipeline(self):
        self.order = create_order(status='SHIPPED')
        with self.assertRaises(InvalidOrderStatus):
            self.order.set_status('PENDING')

    def test_set_status_does_nothing_for_same_status(self):
        self.order = create_order(status='PENDING')
        self.order.set_status('PENDING')
        self.assertEqual('PENDING', self.order.status)

    def test_set_status_works(self):
        self.order = create_order(status='PENDING')
        self.order.set_status('SHIPPED')
        self.assertEqual('SHIPPED', self.order.status)

    def test_cascading_line_status_not_allowed(self):
        self.order = create_order(status='PENDING')
        self.order.set_status('SHIPPED')
        for line in self.order.lines.all():
            self.assertEqual('a', line.status)

    def test_cascading_status_change_allowed(self):
        Line.pipeline['a'] = ('SHIPPED',)
        self.order = create_order(status='PENDING')
        self.order.set_status('SHIPPED')
        for line in self.order.lines.all():
            self.assertEqual('SHIPPED', line.status)

    def test_set_status_sends_a_signal(self):
        self.order = create_order(status='PENDING')
        with mock_signal_receiver(order_status_changed) as receiver:
            self.order.set_status('SHIPPED')
            self.assertEqual(receiver.call_count, 1)

    def test_set_status_signal_creates_a_order_status_change_object(self):
        self.order = create_order(status='PENDING')
        self.order.set_status('SHIPPED')

        order_status_change = self.order.status_changes.first()

        self.assertEqual(self.order.status_changes.count(), 1)
        self.assertEqual(order_status_change.old_status, 'PENDING')
        self.assertEqual(order_status_change.new_status, 'SHIPPED')


class OrderNoteTests(TestCase):

    def setUp(self):
        self.order = create_order()

    def test_system_notes_are_not_editable(self):
        note = self.order.notes.create(note_type=OrderNote.SYSTEM, message='test')
        self.assertFalse(note.is_editable())

    def test_non_system_notes_are_editable(self):
        note = self.order.notes.create(message='test')
        self.assertTrue(note.is_editable())

    def test_notes_are_not_editable_after_timeout(self):
        OrderNote.editable_lifetime = 1
        note = self.order.notes.create(message='test')
        self.assertTrue(note.is_editable())

        now = timezone.now()
        with mock.patch.object(timezone, 'now') as mock_timezone:
            mock_timezone.return_value = now + timedelta(seconds=30)
            self.assertFalse(note.is_editable())


class LineTests(TestCase):

    def setUp(self):
        basket = create_basket(empty=True)
        add_product(basket, D('10.00'), 4)
        self.order = create_order(number='100002', basket=basket)
        self.line = self.order.lines.all()[0]
        self.order_placed, __ = ShippingEventType.objects.get_or_create(
            code='order_placed', name='Order placed')
        self.dispatched, __ = ShippingEventType.objects.get_or_create(
            code='dispatched', name='Dispatched')

    def tearDown(self):
        ShippingEventType.objects.all().delete()

    def event(self, type, quantity=None):
        """
        Creates a shipping event for the test line
        """
        event = ShippingEvent.objects.create(order=self.order, event_type=type)
        if quantity is None:
            quantity = self.line.quantity
        ShippingEventQuantity.objects.create(
            event=event, line=self.line, quantity=quantity)

    def test_shipping_event_history(self):
        self.event(self.order_placed, 3)
        self.event(self.dispatched, 1)
        history = self.line.shipping_event_breakdown
        self.assertEqual(3, history['Order placed']['quantity'])
        self.assertEqual(1, history['Dispatched']['quantity'])

    def test_shipping_status_is_empty_to_start_with(self):
        self.assertEqual('', self.line.shipping_status)

    def test_shipping_status_after_full_line_event(self):
        self.event(self.order_placed)
        self.assertEqual(self.order_placed.name, self.line.shipping_status)

    def test_shipping_status_after_two_full_line_events(self):
        type1 = self.order_placed
        self.event(type1)
        type2 = self.dispatched
        self.event(type2)
        self.assertEqual(type2.name, self.line.shipping_status)

    def test_shipping_status_after_partial_line_event(self):
        type = self.order_placed
        self.event(type, 3)
        expected = "%s (%d/%d items)" % (type.name, 3, self.line.quantity)
        self.assertEqual(expected, self.line.shipping_status)

    def test_has_passed_shipping_status_after_full_line_event(self):
        type = self.order_placed
        self.event(type)
        self.assertTrue(self.line.has_shipping_event_occurred(type))

    def test_has_passed_shipping_status_after_partial_line_event(self):
        type = self.order_placed
        self.event(type, self.line.quantity - 1)
        self.assertFalse(self.line.has_shipping_event_occurred(type), 1)

    def test_has_passed_shipping_status_after_multiple_line_event(self):
        event_types = [ShippingEventType.objects.get(code='order_placed'),
                       ShippingEventType.objects.get(code='dispatched')]
        for type in event_types:
            self.event(type)
        for type in event_types:
            self.assertTrue(self.line.has_shipping_event_occurred(type))

    def test_inconsistent_shipping_status_setting(self):
        type = self.order_placed
        self.event(type, self.line.quantity - 1)

        with self.assertRaises(InvalidShippingEvent):
            self.event(type, self.line.quantity)

    def test_inconsistent_shipping_quantities(self):
        type = ShippingEventType.objects.get(code='order_placed')
        self.event(type, self.line.quantity - 1)

        with self.assertRaises(InvalidShippingEvent):
            # Total quantity is too high
            self.event(type, 2)

    def test_handles_product_deletion_gracefully(self):
        product = self.line.product
        product.delete()
        line = Line.objects.get(pk=self.line.pk)
        self.assertIsNone(line.product)
        self.assertIsNone(line.stockrecord)
        self.assertEqual(product.title, line.title)
        self.assertEqual(product.upc, line.upc)


class LineStatusTests(TestCase):

    def setUp(self):
        Line.pipeline = {'A': ('B', 'C'), 'B': ('C',), 'C': ()}
        self.order = create_order()
        self.line = self.order.lines.all()[0]
        self.line.status = 'A'
        self.line.save()

    def test_all_statuses_class_method(self):
        self.assertEqual(['A', 'B', 'C'], sorted(Line.all_statuses()))

    def test_invalid_status_set_raises_exception(self):
        with self.assertRaises(InvalidLineStatus):
            self.line.set_status('D')

    def test_set_status_changes_status(self):
        self.line.set_status('C')
        self.assertEqual('C', self.line.status)

    def test_setting_same_status_does_nothing(self):
        self.line.set_status('A')

    def test_set_status_sends_a_signal(self):
        with mock_signal_receiver(order_line_status_changed) as receiver:
            self.line.set_status('C')
            self.assertEqual(receiver.call_count, 1)


class ShippingEventTypeTests(TestCase):

    def tearDown(self):
        ShippingEventType.objects.all().delete()

    def test_code_is_set_automatically(self):
        etype = ShippingEventType.objects.create(name='Returned')
        self.assertEqual('returned', etype.code)


class ShippingEventQuantityTests(TestCase):

    def setUp(self):
        basket = create_basket(empty=True)
        add_product(basket, D('10.00'), 4)
        self.order = create_order(number='100002', basket=basket)
        self.line = self.order.lines.all()[0]

        self.shipped, __ = ShippingEventType.objects.get_or_create(
            name='Shipped')
        self.returned, __ = ShippingEventType.objects.get_or_create(
            name='Returned')

    def tearDown(self):
        ShippingEventType.objects.all().delete()

    def test_quantity_defaults_to_all(self):
        event = self.order.shipping_events.create(event_type=self.shipped)
        event_quantity = ShippingEventQuantity.objects.create(event=event, line=self.line)
        self.assertEqual(self.line.quantity, event_quantity.quantity)

    def test_event_is_created_ok_when_prerequisites_are_met(self):
        shipped_event = self.order.shipping_events.create(event_type=self.shipped)
        ShippingEventQuantity.objects.create(event=shipped_event,
                                             line=self.line)

        event = self.order.shipping_events.create(event_type=self.returned)
        ShippingEventQuantity.objects.create(event=event,
                                             line=self.line,
                                             quantity=1)


class TestOrderDiscount(TestCase):

    def test_can_be_created_without_offer_or_voucher(self):
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'))

        self.assertTrue(discount.voucher is None)
        self.assertTrue(discount.offer is None)

        self.assertEqual(discount.description(), '')

    def test_can_be_created_with_an_offer(self):
        offer = create_offer()
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                offer_id=offer.id)
        self.assertEqual(offer.id, discount.offer.id)
        self.assertEqual(offer.name, discount.offer_name)

    def test_can_be_created_with_an_offer_and_specified_offer_name(self):
        offer = create_offer(name="My offer")
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                offer_id=offer.id,
                                                offer_name="Your offer")
        self.assertEqual(offer.id, discount.offer.id)
        self.assertEqual("Your offer", discount.offer_name)

    def test_can_be_created_with_a_voucher(self):
        voucher = create_voucher()
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                voucher_id=voucher.id)
        self.assertEqual(voucher.id, discount.voucher.id)
        self.assertEqual(voucher.code, discount.voucher_code)

    def test_can_be_created_with_a_voucher_and_specidied_voucher_code(self):
        voucher = create_voucher()
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                voucher_id=voucher.id,
                                                voucher_code="anothercode")
        self.assertEqual(voucher.id, discount.voucher.id)
        self.assertEqual('anothercode', discount.voucher_code)

    def test_contains_offer_details_after_offer_is_deleted(self):
        offer = create_offer(name="Get 200% off")
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                offer_id=offer.id)
        offer.delete()

        self.assertTrue(discount.voucher is None)
        self.assertTrue(discount.offer is None)

        self.assertEqual(discount.description(), 'Get 200% off')

    def test_contains_voucher_details_after_voucher_is_deleted(self):
        voucher = create_voucher()
        order = create_order(number='100002')
        discount = OrderDiscount.objects.create(order=order, amount=D('10.00'),
                                                voucher_id=voucher.id)
        voucher.delete()

        self.assertTrue(discount.voucher is None)
        self.assertTrue(discount.offer is None)

        self.assertEqual(discount.description(), voucher.code)


class OrderTests(TestCase):

    @mock.patch('oscar.apps.order.abstract_models.now')
    def test_sets_date_placed_to_now_by_default(self, mock_now):
        tzinfo = timezone.get_current_timezone()
        mock_now.return_value = datetime(2017, 6, 23, 16, 14, tzinfo=tzinfo)
        order = create_order(number='100003')
        self.assertEqual(order.date_placed, datetime(2017, 6, 23, 16, 14, tzinfo=tzinfo))

    def test_allows_date_placed_to_be_changed_and_set_explicitly(self):
        order = create_order(number='100003')
        tzinfo = timezone.get_current_timezone()
        order.date_placed = datetime(2012, 8, 11, 16, 14, tzinfo=tzinfo)
        order.save()

        self.assertEqual(order.date_placed, datetime(2012, 8, 11, 16, 14, tzinfo=tzinfo))

    def test_shipping_status(self):
        order = OrderFactory()

        line_1 = OrderLineFactory(
            order=order, partner_sku='SKU1234', quantity=2)
        line_2 = OrderLineFactory(
            order=order, partner_sku='SKU5678', quantity=1)
        self.assertEqual(order.shipping_status, '')

        event_1 = ShippingEventFactory(order=order, event_type__name='Shipped')
        event_2 = ShippingEventFactory(order=order, event_type__name='Returned')

        # Default status
        self.assertEqual(order.shipping_status, _('In progress'))

        # Set first line to shipped
        event_1.line_quantities.create(line=line_1, quantity=2)
        self.assertEqual(order.shipping_status, _('In progress'))

        # Set first line to returned
        event_2.line_quantities.create(line=line_1, quantity=2)
        self.assertEqual(order.shipping_status, _('In progress'))

        # Set second line to shipped
        event_1.line_quantities.create(line=line_2, quantity=1)
        self.assertEqual(order.shipping_status, _('Shipped'))

        # Set second line to returned
        event_2.line_quantities.create(line=line_2, quantity=1)
        self.assertEqual(order.shipping_status, _('Returned'))

    @override_settings(SECRET_KEY='order_hash_secret')
    def test_verification_hash_generation(self):
        order = OrderFactory(number='111000')
        self.assertEqual(order.verification_hash(), '111000:Ra7jPGqhkcTm6VXKWEdKtFjA0wBIRVqdxED4bp313os')

    @override_settings(SECRET_KEY='order_hash_secret')
    def test_check_verification_hash_valid(self):
        order = OrderFactory(number='111000')
        self.assertTrue(order.check_verification_hash('111000:Ra7jPGqhkcTm6VXKWEdKtFjA0wBIRVqdxED4bp313os'))

    @override_settings(SECRET_KEY='order_hash_secret')
    def test_check_verification_hash_invalid_signature(self):
        order = OrderFactory(number='111000')
        self.assertFalse(order.check_verification_hash('111000:HKDZWNPLsq7589517c3v1Q6DHKD'))

    @override_settings(SECRET_KEY='order_hash_secret')
    def test_check_verification_hash_valid_signature_but_wrong_number(self):
        order = OrderFactory(number='111000')
        # Hash is valid, but it is for a different order number
        self.assertFalse(order.check_verification_hash('222000:knvoMB1KAiJu8meWtGce00Y88j4'))