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from django.test import TestCase
import pytest
from django_dynamic_fixture.models_test import *
from django_dynamic_fixture.ddf import *
from django_dynamic_fixture.ddf import _PRE_SAVE, _POST_SAVE
from django_dynamic_fixture.fixture_algorithms.sequential_fixture import SequentialDataFixture
data_fixture = SequentialDataFixture()
class DDFTestCase(TestCase):
def setUp(self):
self.ddf = DynamicFixture(data_fixture)
_PRE_SAVE.clear()
_POST_SAVE.clear()
class PreSaveTest(DDFTestCase):
def test_set_pre_save_receiver(self):
def callback_function(instance):
pass
set_pre_save_receiver(ModelForSignals, callback_function)
callback_function = lambda x: x
set_pre_save_receiver(ModelForSignals, callback_function)
def test_pre_save_receiver_must_raise_an_error_if_first_parameter_is_not_a_model_class(self):
callback_function = lambda x: x
with pytest.raises(InvalidReceiverError):
set_pre_save_receiver(str, callback_function)
def test_pre_save_receiver_must_raise_an_error_if_it_is_not_a_function(self):
with pytest.raises(InvalidReceiverError):
set_pre_save_receiver(ModelForSignals, '')
def test_pre_save_receiver_must_raise_an_error_if_it_is_not_an_only_one_argument_function(self):
callback_function = lambda x, y: x
with pytest.raises(InvalidReceiverError):
set_pre_save_receiver(ModelForSignals, callback_function)
def test_pre_save_receiver_must_be_executed_before_saving(self):
def callback_function(instance):
if instance.id is not None:
raise Exception('ops, instance already saved')
self.ddf.get(ModelForSignals2)
set_pre_save_receiver(ModelForSignals, callback_function)
self.ddf.get(ModelForSignals)
assert ModelForSignals2.objects.count() == 1
def test_bugged_pre_save_receiver_must_raise_an_error(self):
def callback_function(instance):
raise Exception('ops')
set_pre_save_receiver(ModelForSignals, callback_function)
with pytest.raises(BadDataError):
self.ddf.get(ModelForSignals)
class PostSaveTest(DDFTestCase):
def test_set_post_save_receiver(self):
def callback_function(instance):
pass
set_post_save_receiver(ModelForSignals, callback_function)
callback_function = lambda x: x
set_post_save_receiver(ModelForSignals, callback_function)
def test_post_save_receiver_must_raise_an_error_if_first_parameter_is_not_a_model_class(self):
callback_function = lambda x: x
with pytest.raises(InvalidReceiverError):
set_post_save_receiver(str, callback_function)
def test_post_save_receiver_must_raise_an_error_if_it_is_not_a_function(self):
with pytest.raises(InvalidReceiverError):
set_post_save_receiver(ModelForSignals, '')
def test_post_save_receiver_must_raise_an_error_if_it_is_not_an_only_one_argument_function(self):
callback_function = lambda x, y: x
with pytest.raises(InvalidReceiverError):
set_post_save_receiver(ModelForSignals, callback_function)
def test_pre_save_receiver_must_be_executed_before_saving(self):
def callback_function(instance):
if instance.id is None:
raise Exception('ops, instance not saved')
self.ddf.get(ModelForSignals2)
set_post_save_receiver(ModelForSignals, callback_function)
self.ddf.get(ModelForSignals)
assert ModelForSignals2.objects.count() == 1
def test_bugged_post_save_receiver_must_raise_an_error(self):
def callback_function(instance):
raise Exception('ops')
set_post_save_receiver(ModelForSignals, callback_function)
with pytest.raises(BadDataError):
self.ddf.get(ModelForSignals)
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