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86 lines
3.4 KiB
Python
86 lines
3.4 KiB
Python
import datetime
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from io import StringIO
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from unittest import mock
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from django.core.management.base import OutputWrapper
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from django.db.migrations.questioner import (
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InteractiveMigrationQuestioner, MigrationQuestioner,
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)
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from django.db.models import NOT_PROVIDED
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from django.test import SimpleTestCase
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from django.test.utils import override_settings
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class QuestionerTests(SimpleTestCase):
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@override_settings(
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INSTALLED_APPS=['migrations'],
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MIGRATION_MODULES={'migrations': None},
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)
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def test_ask_initial_with_disabled_migrations(self):
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questioner = MigrationQuestioner()
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self.assertIs(False, questioner.ask_initial('migrations'))
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def test_ask_not_null_alteration(self):
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questioner = MigrationQuestioner()
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self.assertIsNone(questioner.ask_not_null_alteration('field_name', 'model_name'))
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@mock.patch('builtins.input', return_value='2')
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def test_ask_not_null_alteration_not_provided(self, mock):
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questioner = InteractiveMigrationQuestioner(prompt_output=OutputWrapper(StringIO()))
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question = questioner.ask_not_null_alteration('field_name', 'model_name')
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self.assertEqual(question, NOT_PROVIDED)
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class QuestionerHelperMethodsTests(SimpleTestCase):
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def setUp(self):
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self.prompt = OutputWrapper(StringIO())
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self.questioner = InteractiveMigrationQuestioner(prompt_output=self.prompt)
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@mock.patch('builtins.input', return_value='datetime.timedelta(days=1)')
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def test_questioner_default_timedelta(self, mock_input):
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value = self.questioner._ask_default()
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self.assertEqual(value, datetime.timedelta(days=1))
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@mock.patch('builtins.input', return_value='')
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def test_questioner_default_no_user_entry(self, mock_input):
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value = self.questioner._ask_default(default='datetime.timedelta(days=1)')
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self.assertEqual(value, datetime.timedelta(days=1))
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@mock.patch('builtins.input', side_effect=['', 'exit'])
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def test_questioner_no_default_no_user_entry(self, mock_input):
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with self.assertRaises(SystemExit):
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self.questioner._ask_default()
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self.assertIn(
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"Please enter some code, or 'exit' (without quotes) to exit.",
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self.prompt.getvalue(),
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)
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@mock.patch('builtins.input', side_effect=['bad code', 'exit'])
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def test_questioner_no_default_bad_user_entry_code(self, mock_input):
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with self.assertRaises(SystemExit):
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self.questioner._ask_default()
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self.assertIn('Invalid input: ', self.prompt.getvalue())
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@mock.patch('builtins.input', side_effect=['', 'n'])
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def test_questioner_no_default_no_user_entry_boolean(self, mock_input):
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value = self.questioner._boolean_input('Proceed?')
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self.assertIs(value, False)
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@mock.patch('builtins.input', return_value='')
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def test_questioner_default_no_user_entry_boolean(self, mock_input):
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value = self.questioner._boolean_input('Proceed?', default=True)
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self.assertIs(value, True)
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@mock.patch('builtins.input', side_effect=[10, 'garbage', 1])
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def test_questioner_bad_user_choice(self, mock_input):
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question = 'Make a choice:'
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value = self.questioner._choice_input(question, choices='abc')
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expected_msg = (
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f'{question}\n'
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f' 1) a\n'
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f' 2) b\n'
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f' 3) c\n'
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)
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self.assertIn(expected_msg, self.prompt.getvalue())
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self.assertEqual(value, 1)
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