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import datetime
from unittest import mock
from django.db.migrations.questioner import (
InteractiveMigrationQuestioner, MigrationQuestioner,
)
from django.db.models import NOT_PROVIDED
from django.test import SimpleTestCase
from django.test.utils import captured_stdout, override_settings
class QuestionerTests(SimpleTestCase):
@override_settings(
INSTALLED_APPS=['migrations'],
MIGRATION_MODULES={'migrations': None},
)
def test_ask_initial_with_disabled_migrations(self):
questioner = MigrationQuestioner()
self.assertIs(False, questioner.ask_initial('migrations'))
@mock.patch('builtins.input', return_value='datetime.timedelta(days=1)')
def test_timedelta_default(self, mock):
questioner = InteractiveMigrationQuestioner()
with captured_stdout():
value = questioner._ask_default()
self.assertEqual(value, datetime.timedelta(days=1))
@mock.patch('builtins.input', return_value='2')
def test_ask_not_null_alteration_not_provided(self, mock):
questioner = InteractiveMigrationQuestioner()
with captured_stdout():
question = questioner.ask_not_null_alteration('field_name', 'model_name')
self.assertEqual(question, NOT_PROVIDED)
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