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https://github.com/python-telegram-bot/python-telegram-bot.git
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74 lines
2.3 KiB
Python
74 lines
2.3 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2021
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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import pytest
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from telegram import User
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from telegram.utils.defaultvalue import DefaultValue
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class TestDefaultValue:
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def test_slot_behaviour(self, mro_slots):
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inst = DefaultValue(1)
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for attr in inst.__slots__:
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assert getattr(inst, attr, 'err') != 'err', f"got extra slot '{attr}'"
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assert len(mro_slots(inst)) == len(set(mro_slots(inst))), "duplicate slot"
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def test_identity(self):
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df_1 = DefaultValue(1)
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df_2 = DefaultValue(2)
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assert df_1 is not df_2
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assert df_1 != df_2
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@pytest.mark.parametrize(
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'value,expected',
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[
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({}, False),
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({1: 2}, True),
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(None, False),
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(True, True),
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(1, True),
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(0, False),
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(False, False),
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([], False),
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([1], True),
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],
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)
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def test_truthiness(self, value, expected):
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assert bool(DefaultValue(value)) == expected
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@pytest.mark.parametrize(
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'value', ['string', 1, True, [1, 2, 3], {1: 3}, DefaultValue(1), User(1, 'first', False)]
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)
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def test_string_representations(self, value):
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df = DefaultValue(value)
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assert str(df) == f'DefaultValue({value})'
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assert repr(df) == repr(value)
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def test_as_function_argument(self):
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default_one = DefaultValue(1)
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def foo(arg=default_one):
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if arg is default_one:
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return 1
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else:
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return 2
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assert foo() == 1
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assert foo(None) == 2
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assert foo(1) == 2
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