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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.fixture_algorithms.sequential_fixture import SequentialDataFixture
data_fixture = SequentialDataFixture()
class DDFTestCase(TestCase):
def setUp(self):
self.ddf = DynamicFixture(data_fixture)
class CopyTest(DDFTestCase):
def test_it_should_copy_from_model_fields(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('int_b'), int_b=3)
assert instance.int_a == 3
def test_simple_scenario(self):
instance = self.ddf.get(ModelForCopy, int_b=Copier('int_a'))
assert instance.int_b == instance.int_a
def test_order_of_attributes_must_be_superfluous(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('int_b'))
assert instance.int_a == instance.int_b
def test_it_should_deal_with_multiple_copiers(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('int_b'), int_c=Copier('int_d'))
assert instance.int_a == instance.int_b
assert instance.int_c == instance.int_d
def test_multiple_copiers_can_depend_of_one_field(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('int_c'), int_b=Copier('int_c'))
assert instance.int_a == instance.int_c
assert instance.int_b == instance.int_c
def test_it_should_deal_with_dependent_copiers(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('int_b'), int_b=Copier('int_c'))
assert instance.int_a == instance.int_b
assert instance.int_b == instance.int_c
def test_it_should_deal_with_relationships(self):
instance = self.ddf.get(ModelForCopy, int_a=Copier('e.int_e'))
assert instance.int_a == instance.e.int_e
instance = self.ddf.get(ModelForCopy, int_a=Copier('e.int_e'), e=DynamicFixture(data_fixture, int_e=5))
assert instance.int_a == 5
def test_it_should_raise_a_bad_data_error_if_value_is_invalid(self):
with pytest.raises(BadDataError):
self.ddf.get(ModelForCopy, int_a=Copier('int_b'), int_b=None)
def test_it_should_raise_a_invalid_configuration_error_if_expression_is_bugged(self):
with pytest.raises(InvalidConfigurationError):
self.ddf.get(ModelForCopy, int_a=Copier('invalid_field'))
with pytest.raises(InvalidConfigurationError):
self.ddf.get(ModelForCopy, int_a=Copier('int_b.invalid_field'))
def test_it_should_raise_a_invalid_configuration_error_if_copier_has_cyclic_dependency(self):
with pytest.raises(InvalidConfigurationError):
self.ddf.get(ModelForCopy, int_a=Copier('int_b'), int_b=Copier('int_a'))
def test_it_must_copy_generated_data_mask_too(self):
import re
instance = self.ddf.get(ModelWithStrings, string=Mask('- _ #'), text=Copier('string'))
assert re.match(r'[A-Z]{1} [a-z]{1} [0-9]{1}', instance.string)
assert re.match(r'[A-Z]{1} [a-z]{1} [0-9]{1}', instance.text)
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