import unittest

import core.input

class config(unittest.TestCase):
    def setUp(self):
        self.inputObject = core.input.Object()
        self.anotherObject = core.input.Object()
        self.someEvent = { 'button': core.input.LEFT_MOUSE, 'instance': self.inputObject.id }
        self.anotherEvent = { 'button': core.input.RIGHT_MOUSE, 'instance': self.inputObject.id}
        self.callback = unittest.mock.MagicMock()
        self.callback2 = unittest.mock.MagicMock()
        self.someCommand = 'some sample command'

    def test_callable_gets_called(self):
        core.input.register(self.inputObject, self.someEvent['button'], self.callback)
        core.input.trigger(self.someEvent)
        self.callback.assert_called_once_with(self.someEvent)

    def test_nonexistent_callback(self):
        core.input.register(self.inputObject, self.someEvent['button'], self.callback)
        core.input.trigger(self.anotherEvent)
        self.callback.assert_not_called()

    def test_different_events(self):
        core.input.register(self.inputObject, self.someEvent['button'], self.callback)
        core.input.register(self.inputObject, self.anotherEvent['button'], self.callback)
        core.input.register(self.anotherObject, self.someEvent['button'], self.callback2)
        core.input.register(self.anotherObject, self.anotherEvent['button'], self.callback2)
        core.input.trigger(self.someEvent)
        core.input.trigger(self.anotherEvent)
        self.callback.assert_any_call(self.someEvent)
        self.callback.assert_any_call(self.anotherEvent)
        self.callback2.assert_not_called()

    def test_multiple_registrations(self):
        core.input.register(self.inputObject, self.someEvent['button'], self.callback)
        core.input.register(self.inputObject, self.someEvent['button'], self.callback2)
        core.input.trigger(self.someEvent)
        self.callback.assert_called_once_with(self.someEvent)
        self.callback2.assert_called_once_with(self.someEvent)

    def test_event_names(self):
        self.assertEqual(core.input.button_name(core.input.LEFT_MOUSE), 'left-mouse')
        self.assertEqual(core.input.button_name(core.input.RIGHT_MOUSE), 'right-mouse')
        self.assertEqual(core.input.button_name(core.input.MIDDLE_MOUSE), 'middle-mouse')
        self.assertEqual(core.input.button_name(core.input.WHEEL_UP), 'wheel-up')
        self.assertEqual(core.input.button_name(core.input.WHEEL_DOWN), 'wheel-down')
        self.assertEqual(core.input.button_name(12345), 'n/a')

    def test_non_callable_callback(self):
        with unittest.mock.patch('core.input.util.cli') as cli:
            cli.execute.return_value = ''
            core.input.register(self.inputObject, self.someEvent['button'], self.someCommand)
            core.input.trigger(self.someEvent)
            cli.execute.assert_called_once_with(self.someCommand, wait=False)

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