def on_clicked_same_color_test(self):
"""
Test the on_click method when a new color has not been chosen
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is valid, but the same as the existing color
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(
**{
'isValid.return_value': True,
'name.return_value': '#000000'
})
widget.on_clicked()
# THEN: change_color should not have been called and the colorChanged signal should not have been emitted
self.assertEqual(
self.mocked_change_color.call_count, 0,
'change_color should not have been called when the color has not changed'
)
self.assertEqual(
self.mocked_color_changed.emit.call_count, 0,
'colorChange signal should not have been emitted when the color has not changed'
)
def on_clicked_new_color_test(self):
"""
Test the on_click method when a new color has been chosen and is valid
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is valid, and different to the existing color
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(
**{'isValid.return_value': True, 'name.return_value': '#ffffff'})
widget.on_clicked()
# THEN: change_color should have been called and the colorChanged signal should have been emitted
self.mocked_change_color.assert_called_once_with('#ffffff')
self.mocked_color_changed.emit.assert_called_once_with('#ffffff')
def on_clicked_invalid_color_test(self):
"""
Test the on_click method when an invalid color has been supplied
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is invalid
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(**{'isValid.return_value': False})
widget.on_clicked()
# THEN: change_color should not have been called and the colorChanged signal should not have been emitted
self.assertEqual(
self.mocked_change_color.call_count, 0, 'change_color should not have been called with an invalid color')
self.assertEqual(
self.mocked_color_changed.emit.call_count, 0,
'colorChange signal should not have been emitted with an invalid color')
def on_clicked_new_color_test(self):
"""
Test the on_click method when a new color has been chosen and is valid
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is valid, and different to the existing color
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(
**{
'isValid.return_value': True,
'name.return_value': '#ffffff'
})
widget.on_clicked()
# THEN: change_color should have been called and the colorChanged signal should have been emitted
self.mocked_change_color.assert_called_once_with('#ffffff')
self.mocked_color_changed.emit.assert_called_once_with('#ffffff')
def on_clicked_same_color_test(self):
"""
Test the on_click method when a new color has not been chosen
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is valid, but the same as the existing color
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(
**{'isValid.return_value': True, 'name.return_value': '#000000'})
widget.on_clicked()
# THEN: change_color should not have been called and the colorChanged signal should not have been emitted
self.assertEqual(
self.mocked_change_color.call_count, 0,
'change_color should not have been called when the color has not changed')
self.assertEqual(
self.mocked_color_changed.emit.call_count, 0,
'colorChange signal should not have been emitted when the color has not changed')
def on_clicked_invalid_color_test(self):
"""
Test the on_click method when an invalid color has been supplied
"""
# GIVEN: An instance of ColorButton, and a set _color attribute
widget = ColorButton()
self.mocked_change_color.reset_mock()
self.mocked_color_changed.reset_mock()
widget._color = '#000000'
# WHEN: The on_clicked method is called, and the color is invalid
self.mocked_qt_gui.QColorDialog.getColor.return_value = MagicMock(
**{'isValid.return_value': False})
widget.on_clicked()
# THEN: change_color should not have been called and the colorChanged signal should not have been emitted
self.assertEqual(
self.mocked_change_color.call_count, 0,
'change_color should not have been called with an invalid color')
self.assertEqual(
self.mocked_color_changed.emit.call_count, 0,
'colorChange signal should not have been emitted with an invalid color'
)
