def paint_event_text_doesnt_fit_test(self):
"""
Test the paintEvent method when text fits the label
"""
font = QtGui.QFont()
metrics = QtGui.QFontMetrics(font)
with patch('openlp.core.ui.slidecontroller.QtGui.QLabel'), \
patch('openlp.core.ui.slidecontroller.QtGui.QPainter') as mocked_qpainter:
# GIVEN: An instance of InfoLabel, with mocked text return, width and rect methods
info_label = InfoLabel()
test_string = 'Label Text'
mocked_rect = MagicMock()
mocked_text = MagicMock()
mocked_width = MagicMock()
mocked_text.return_value = test_string
info_label.rect = mocked_rect
info_label.text = mocked_text
info_label.width = mocked_width
# WHEN: The instance is narrower than its text, and the paintEvent method is called
label_width = metrics.boundingRect(test_string).width() - 10
info_label.width.return_value = label_width
info_label.paintEvent(MagicMock())
# THEN: The text should be drawn aligned left with an elided test_string
elided_test_string = metrics.elidedText(test_string, QtCore.Qt.ElideRight, label_width)
mocked_qpainter().drawText.assert_called_once_with(mocked_rect(), QtCore.Qt.AlignLeft, elided_test_string)
def test_paint_event_text_doesnt_fit(self):
"""
Test the paintEvent method when text fits the label
"""
font = QtGui.QFont()
metrics = QtGui.QFontMetrics(font)
with patch('openlp.core.ui.slidecontroller.QtWidgets.QLabel'), \
patch('openlp.core.ui.slidecontroller.QtGui.QPainter') as mocked_qpainter:
# GIVEN: An instance of InfoLabel, with mocked text return, width and rect methods
info_label = InfoLabel()
test_string = 'Label Text'
mocked_rect = MagicMock()
mocked_text = MagicMock()
mocked_width = MagicMock()
mocked_text.return_value = test_string
info_label.rect = mocked_rect
info_label.text = mocked_text
info_label.width = mocked_width
# WHEN: The instance is narrower than its text, and the paintEvent method is called
label_width = metrics.boundingRect(test_string).width() - 10
info_label.width.return_value = label_width
info_label.paintEvent(MagicMock())
# THEN: The text should be drawn aligned left with an elided test_string
elided_test_string = metrics.elidedText(test_string, QtCore.Qt.ElideRight, label_width)
mocked_qpainter().drawText.assert_called_once_with(mocked_rect(), QtCore.Qt.AlignLeft, elided_test_string)
def paint_event_text_fits_test(self):
"""
Test the paintEvent method when text fits the label
"""
font = QtGui.QFont()
metrics = QtGui.QFontMetrics(font)
with patch('openlp.core.ui.slidecontroller.QtGui.QLabel'), \
patch('openlp.core.ui.slidecontroller.QtGui.QPainter') as mocked_qpainter:
# GIVEN: An instance of InfoLabel, with mocked text return, width and rect methods
info_label = InfoLabel()
test_string = 'Label Text'
mocked_rect = MagicMock()
mocked_text = MagicMock()
mocked_width = MagicMock()
mocked_text.return_value = test_string
info_label.rect = mocked_rect
info_label.text = mocked_text
info_label.width = mocked_width
# WHEN: The instance is wider than its text, and the paintEvent method is called
info_label.width.return_value = metrics.boundingRect(test_string).width() + 10
info_label.paintEvent(MagicMock())
# THEN: The text should be drawn centered with the complete test_string
mocked_qpainter().drawText.assert_called_once_with(mocked_rect(), QtCore.Qt.AlignCenter, test_string)