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# This file is part of Hypothesis, which may be found at
# https://github.com/HypothesisWorks/hypothesis/
#
# Copyright the Hypothesis Authors.
# Individual contributors are listed in AUTHORS.rst and the git log.
#
# This Source Code Form is subject to the terms of the Mozilla Public License,
# v. 2.0. If a copy of the MPL was not distributed with this file, You can
# obtain one at https://mozilla.org/MPL/2.0/.
from unittest import skipIf
from django import forms
from django.conf import settings
from hypothesis import assume, given
from hypothesis.extra.django import (
TestCase,
from_field,
from_form,
register_field_strategy,
)
from hypothesis.strategies import booleans, sampled_from
from tests.django.toystore.forms import (
BasicFieldForm,
BroadBooleanField,
ChoiceFieldForm,
CustomerForm,
DynamicForm,
EmailFieldForm,
InternetProtocolForm,
ManyMultiValueForm,
ManyNumericsForm,
ManyTimesForm,
MultipleCompaniesForm,
OddFieldsForm,
RegexFieldForm,
ShortStringForm,
SlugFieldForm,
StoreForm,
TemporalFieldForm,
URLFieldForm,
UsernameForm,
UUIDFieldForm,
WithValidatorsForm,
)
from tests.django.toystore.models import Company
register_field_strategy(
BroadBooleanField, booleans() | sampled_from(["1", "0", "True", "False"])
)
has_contrib_auth = "django.contrib.auth" in settings.INSTALLED_APPS
class TestGetsBasicForms(TestCase):
@given(from_form(CustomerForm))
def test_valid_customer(self, customer_form):
self.assertTrue(customer_form.is_valid())
@given(from_form(ManyNumericsForm))
def test_valid_numerics(self, numerics_form):
self.assertTrue(numerics_form.is_valid())
@given(from_form(ManyTimesForm))
def test_valid_times(self, times_form):
self.assertTrue(times_form.is_valid())
@given(from_form(OddFieldsForm))
def test_valid_odd_fields(self, odd_form):
self.assertTrue(odd_form.is_valid())
def test_dynamic_form(self):
for field_count in range(2, 7):
@given(from_form(DynamicForm, form_kwargs={"field_count": field_count}))
def _test(dynamic_form):
self.assertTrue(dynamic_form.is_valid())
_test()
@given(from_form(BasicFieldForm))
def test_basic_fields_form(self, basic_field_form):
self.assertTrue(basic_field_form.is_valid())
@given(from_form(TemporalFieldForm))
def test_temporal_fields_form(self, time_field_form):
self.assertTrue(time_field_form.is_valid())
@given(from_form(EmailFieldForm))
def test_email_field_form(self, email_field_form):
self.assertTrue(email_field_form.is_valid())
@given(from_form(SlugFieldForm))
def test_slug_field_form(self, slug_field_form):
self.assertTrue(slug_field_form.is_valid())
@given(from_form(URLFieldForm))
def test_url_field_form(self, url_field_form):
self.assertTrue(url_field_form.is_valid())
@given(from_form(RegexFieldForm))
def test_regex_field_form(self, regex_field_form):
self.assertTrue(regex_field_form.is_valid())
@given(from_form(UUIDFieldForm))
def test_uuid_field_form(self, uuid_field_form):
self.assertTrue(uuid_field_form.is_valid())
@given(from_form(ChoiceFieldForm))
def test_choice_fields_form(self, choice_field_form):
self.assertTrue(choice_field_form.is_valid())
@given(from_form(InternetProtocolForm))
def test_ip_fields_form(self, ip_field_form):
self.assertTrue(ip_field_form.is_valid())
@given(from_form(ManyMultiValueForm, form_kwargs={"subfield_count": 2}))
def test_many_values_in_multi_value_field(self, many_multi_value_form):
self.assertTrue(many_multi_value_form.is_valid())
@given(from_form(ManyMultiValueForm, form_kwargs={"subfield_count": 105}))
def test_excessive_values_in_multi_value_field(self, excessive_form):
self.assertTrue(excessive_form.is_valid())
@given(from_form(ShortStringForm))
def test_short_string_form(self, short_string_form):
self.assertTrue(short_string_form.is_valid())
@given(from_form(WithValidatorsForm))
def test_tight_validators_form(self, x):
self.assertTrue(1 <= x.data["_int_one_to_five"] <= 5)
self.assertTrue(1 <= x.data["_decimal_one_to_five"] <= 5)
self.assertTrue(1 <= x.data["_float_one_to_five"] <= 5)
self.assertTrue(5 <= len(x.data["_string_five_to_ten"]) <= 10)
@skipIf(not has_contrib_auth, "contrib.auth not installed")
@given(from_form(UsernameForm))
def test_username_form(self, username_form):
self.assertTrue(username_form.is_valid())
@skipIf(not has_contrib_auth, "contrib.auth not installed")
@given(from_form(UsernameForm))
def test_read_only_password_hash_field_form(self, password_form):
self.assertTrue(password_form.is_valid())
class TestFormsWithModelChoices(TestCase):
@classmethod
def setUpTestData(cls):
super().setUpTestData()
# Set up example Company records to use as choices for
# Store.company. These must exist before creating a strategy
# for the ModelChoiceField.
cls.company_names = ("Bill's Flowers", "Jane's Sporting Goods")
for name in cls.company_names:
Company.objects.create(name=name)
@given(
choice=from_field(
forms.ModelChoiceField(queryset=Company.objects.order_by("name"))
)
)
def test_from_model_choices_field(self, choice):
assume(choice != "") # Skip the empty choice.
self.assertIsInstance(choice, int)
Company.objects.get(id=choice)
@given(
choice=from_field(
forms.ModelChoiceField(
queryset=Company.objects.order_by("name"), empty_label=None
)
)
)
def test_from_model_choices_field_no_empty_choice(self, choice):
Company.objects.get(id=choice)
@given(choice=from_field(forms.ModelChoiceField(queryset=Company.objects.none())))
def test_from_model_choices_field_empty(self, choice):
self.assertEqual(choice, "")
@given(form=from_form(StoreForm))
def test_store_form_valid(self, form):
assume(form.data["company"])
self.assertTrue(form.is_valid())
@given(
choice=from_field(
forms.ModelMultipleChoiceField(queryset=Company.objects.order_by("name"))
)
)
def test_from_model_multiple_choices_field(self, choice):
n_choices = len(choice)
self.assertEqual(n_choices, len(set(choice)))
self.assertEqual(n_choices, Company.objects.filter(pk__in=choice).count())
@given(form=from_form(MultipleCompaniesForm))
def test_multiple_companies_form_valid(self, form):
self.assertTrue(form.is_valid())
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