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pretix_cgo/src/tests/base/test_taxrules.py
Raphael Michel 53f129d5d3 Add codification of tax rates (#4372) 
* draft

* .

* Rebase migration

* Update src/pretix/base/models/tax.py

Co-authored-by: Mira <weller@rami.io>

* Test, isort, flake, migration rebase

* carry data & API

* Fix failing tests

* docs fixes

* Improve validation

* Tests

* More fixes

---------

Co-authored-by: Mira <weller@rami.io>
2024-12-13 12:04:38 +01:00

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#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io GmbH and contributors
#
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
# Public License as published by the Free Software Foundation in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
# <https://www.gnu.org/licenses/>.
#
import json
from decimal import Decimal
import pytest
from django.utils.timezone import now
from django_countries.fields import Country
from django_scopes import scope
from pretix.base.models import Event, InvoiceAddress, Organizer, TaxRule
from pretix.base.models.tax import TaxedPrice
@pytest.fixture
def event():
o = Organizer.objects.create(name='Dummy', slug='dummy')
event = Event.objects.create(
organizer=o, name='Dummy', slug='dummy',
date_from=now()
)
with scope(organizer=o):
yield event
@pytest.mark.django_db
def test_from_gross_price(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code='S/standard',
price_includes_tax=True
)
tp = tr.tax(Decimal('100.00'))
assert tp.gross == Decimal('100')
assert tp.net == Decimal('90.91')
assert tp.tax == Decimal('100.00') - Decimal('90.91')
assert tp.rate == Decimal('10.00')
assert tp.code == 'S/standard'
@pytest.mark.django_db
def test_from_net_price(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code=None,
price_includes_tax=False,
)
tp = tr.tax(Decimal('100.00'))
assert tp.gross == Decimal('110.00')
assert tp.net == Decimal('100.00')
assert tp.tax == Decimal('10.00')
assert tp.rate == Decimal('10.00')
assert tp.code is None
@pytest.mark.django_db
def test_reverse_charge_no_address(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
)
assert not tr.is_reverse_charge(None)
assert tr._tax_applicable(None)
assert tr.tax_code_for(None) == "S/standard"
@pytest.mark.django_db
def test_reverse_charge_no_country(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
rate=Decimal('10.00'),
price_includes_tax=False,
code="S/standard",
)
ia = InvoiceAddress(
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_individual_same_country(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
)
ia = InvoiceAddress(
is_business=False,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_individual_eu(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=False,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_individual_3rdc(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=False,
country=Country('US')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "O"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code='O',
)
@pytest.mark.django_db
def test_reverse_charge_business_same_country(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_business_eu(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_business_3rdc(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
country=Country('US')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "O"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code='O',
)
@pytest.mark.django_db
def test_reverse_charge_valid_vat_id_business_same_country(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE'),
vat_id='DE123456',
vat_id_validated=True
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_reverse_charge_valid_vat_id_business_eu(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
vat_id='AT12346',
vat_id_validated=True,
country=Country('AT')
)
assert tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "AE"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code='AE',
)
@pytest.mark.django_db
def test_reverse_charge_valid_vat_id_business_3rdc(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
country=Country('US'),
vat_id='US12346',
vat_id_validated=True
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "O"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code='O',
)
@pytest.mark.django_db
def test_reverse_charge_disabled(event):
tr = TaxRule(
event=event,
eu_reverse_charge=False,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False
)
ia = InvoiceAddress(
is_business=True,
vat_id='AT12346',
vat_id_validated=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_custom_rules_override(event):
tr = TaxRule(
event=event,
eu_reverse_charge=True,
home_country=Country('DE'),
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'ZZ', 'address_type': '', 'action': 'vat'}
])
)
ia = InvoiceAddress(
is_business=True,
vat_id='AT12346',
vat_id_validated=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_custom_rules_in_order(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'ZZ', 'address_type': '', 'action': 'vat', 'code': 'S/reduced'},
{'country': 'ZZ', 'address_type': '', 'action': 'reverse'}
])
)
ia = InvoiceAddress(
is_business=True,
vat_id='AT12346',
vat_id_validated=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/reduced"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/reduced",
)
@pytest.mark.django_db
def test_custom_rules_any_country(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'ZZ', 'address_type': '', 'action': 'no', 'code': 'O'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "O"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code="O",
)
@pytest.mark.django_db
def test_custom_rules_eu_country(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'EU', 'address_type': '', 'action': 'no', 'code': 'Z'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "Z"
ia = InvoiceAddress(
is_business=True,
country=Country('US')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_custom_rules_specific_country(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
code="S/standard",
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'AT', 'address_type': '', 'action': 'no', 'code': 'Z'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "Z"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code="Z",
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
@pytest.mark.django_db
def test_custom_rules_specific_state(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'US-NY', 'address_type': '', 'action': 'vat', 'rate': '20.00'},
{'country': 'US-DE', 'address_type': '', 'action': 'no'},
{'country': 'US', 'address_type': '', 'action': 'vat', 'rate': '30.00'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('US'),
state='NC'
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('30.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('130.00'),
net=Decimal('100.00'),
tax=Decimal('30.00'),
rate=Decimal('30.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('US'),
state='NY'
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('20.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('120.00'),
net=Decimal('100.00'),
tax=Decimal('20.00'),
rate=Decimal('20.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('US'),
state='DE'
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_custom_rules_individual(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'ZZ', 'address_type': 'individual', 'action': 'no'},
])
)
ia = InvoiceAddress(
is_business=False,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_custom_rules_business(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'ZZ', 'address_type': 'business', 'action': 'no'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=False,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_custom_rules_vat_id(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
code="S/standard",
custom_rules=json.dumps([
{'country': 'EU', 'address_type': 'business_vat_id', 'action': 'reverse'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('AT')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax_code_for(ia) == "S/standard"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code="S/standard",
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE'),
vat_id='DE1234',
vat_id_validated=True
)
assert tr.is_reverse_charge(ia)
assert not tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('0.00')
assert tr.tax_code_for(ia) == "AE"
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('100.00'),
net=Decimal('100.00'),
tax=Decimal('0.00'),
rate=Decimal('0.00'),
name='',
code='AE',
)
@pytest.mark.django_db
def test_custom_rules_country_rate(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'EU', 'address_type': 'business_vat_id', 'action': 'vat', 'rate': '100.00'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE'),
vat_id='DE1234',
vat_id_validated=True
)
assert tr.tax_rate_for(ia) == Decimal('100.00')
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('200.00'),
net=Decimal('100.00'),
tax=Decimal('100.00'),
rate=Decimal('100.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_custom_rules_country_rate_keep_gross_if_rate_changes(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
keep_gross_if_rate_changes=True,
custom_rules=json.dumps([
{'country': 'EU', 'address_type': 'business_vat_id', 'action': 'vat', 'rate': '100.00'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE')
)
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax_rate_for(ia) == Decimal('10.00')
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('100.00'),
tax=Decimal('10.00'),
rate=Decimal('10.00'),
name='',
code=None,
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE'),
vat_id='DE1234',
vat_id_validated=True
)
assert tr.tax_rate_for(ia) == Decimal('100.00')
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax(Decimal('100.00'), invoice_address=ia) == TaxedPrice(
gross=Decimal('110.00'),
net=Decimal('55.00'),
tax=Decimal('55.00'),
rate=Decimal('100.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_custom_rules_country_rate_subtract_from_gross(event):
tr = TaxRule(
event=event,
rate=Decimal('10.00'),
price_includes_tax=False,
custom_rules=json.dumps([
{'country': 'EU', 'address_type': 'business_vat_id', 'action': 'vat', 'rate': '100.00'},
])
)
ia = InvoiceAddress(
is_business=True,
country=Country('DE'),
vat_id='DE1234',
vat_id_validated=True
)
assert tr.tax_rate_for(ia) == Decimal('100.00')
assert not tr.is_reverse_charge(ia)
assert tr._tax_applicable(ia)
assert tr.tax(Decimal('100.00'), invoice_address=ia, subtract_from_gross=Decimal('20.00')) == TaxedPrice(
gross=Decimal('163.64'), # ((100 * 1.1) - 20) / (1 + 10%) * (1 + 100%)
net=Decimal('81.82'),
tax=Decimal('81.82'),
rate=Decimal('100.00'),
name='',
code=None,
)
@pytest.mark.django_db
def test_no_negative_due_to_subtract_from_gross(event):
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('100.00'), subtract_from_gross=Decimal('200.00')).gross == Decimal("0.00")
tr = TaxRule(
event=event,
rate=Decimal("0.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('100.00'), subtract_from_gross=Decimal('200.00')).gross == Decimal("0.00")
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=False,
)
assert tr.tax(Decimal('100.00'), subtract_from_gross=Decimal('200.00')).gross == Decimal("0.00")
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('100.00'), subtract_from_gross=Decimal('200.00')).gross == Decimal("0.00")
@pytest.mark.django_db
def test_allow_negative(event):
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('-100.00')).gross == Decimal("-100.00")
tr = TaxRule(
event=event,
rate=Decimal("0.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('-100.00')).gross == Decimal("-100.00")
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=False,
)
assert tr.tax(Decimal('-100.00')).gross == Decimal("-119.00")
tr = TaxRule(
event=event,
rate=Decimal("19.00"),
price_includes_tax=True,
)
assert tr.tax(Decimal('-100.00')).gross == Decimal("-100.00")
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