###
# Copyright (c) 2014, Artur Krysiak
# Copyright (c) 2010-2021, Valentin Lorentz
# All rights reserved.
#
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# modification, are permitted provided that the following conditions are met:
#
#   * Redistributions of source code must retain the above copyright notice,
#     this list of conditions, and the following disclaimer.
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#     documentation and/or other materials provided with the distribution.
#   * Neither the name of the author of this software nor the name of
#     contributors to this software may be used to endorse or promote products
#     derived from this software without specific prior written consent.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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###

import sys
import unittest
from unittest import mock
from supybot import questions
from supybot.test import SupyTestCase

# so complicated construction because I want to
# gain the string 'y' instead of the character 'y'
# the reason of usage this construction is to prove
# that comparing strings by 'is' is wrong
# better solution is usage of '==' operator ;)
_yes_answer = ''.join(['', 'y'])

@unittest.skipIf(mock is None, 'python-mock is not installed.')
class TestYn(SupyTestCase):
    def test_default_yes_selected(self):
        questions.expect = mock.Mock(return_value=_yes_answer)

        answer = questions.yn('up', default='y')

        self.assertTrue(answer)

    def test_default_no_selected(self):
        questions.expect = mock.Mock(return_value='n')

        answer = questions.yn('up', default='n')

        self.assertFalse(answer)

    def test_yes_selected_without_defaults(self):
        questions.expect = mock.Mock(return_value=_yes_answer)

        answer = questions.yn('up')

        self.assertTrue(answer)

    def test_no_selected_without_defaults(self):
        questions.expect = mock.Mock(return_value='n')

        answer = questions.yn('up')

        self.assertFalse(answer)

    def test_no_selected_with_default_yes(self):
        questions.expect = mock.Mock(return_value='n')

        answer = questions.yn('up', default='y')

        self.assertFalse(answer)

    def test_yes_selected_with_default_yes(self):
        questions.expect = mock.Mock(return_value=_yes_answer)

        answer = questions.yn('up', default='y')

        self.assertTrue(answer)

    def test_yes_selected_with_default_no(self):
        questions.expect = mock.Mock(return_value=_yes_answer)

        answer = questions.yn('up', default='n')

        self.assertTrue(answer)

    def test_no_selected_with_default_no(self):
        questions.expect = mock.Mock(return_value='n')

        answer = questions.yn('up', default='n')

        self.assertFalse(answer)

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