mirror of https://github.com/django/django.git
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,
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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(
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questioner.ask_not_null_alteration("field_name", "model_name")
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)
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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(
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prompt_output=OutputWrapper(StringIO())
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)
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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 = f"{question}\n" f" 1) a\n" f" 2) b\n" f" 3) c\n"
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self.assertIn(expected_msg, self.prompt.getvalue())
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self.assertEqual(value, 1)
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