def test_step_space_continuous(self):
"""
Test step
"""
w = self.widget
event = QKeyEvent(QEvent.KeyPress, Qt.Key_Space,
Qt.KeyboardModifiers(0))
# with linear regression
self.send_signal(w.Inputs.data, Table('housing')[::100])
# test theta set after step if not set yet
w.keyPressEvent(event)
self.assertIsNotNone(w.learner.theta)
# check theta is changing when step
old_theta = np.copy(w.learner.theta)
w.keyPressEvent(event)
self.assertNotEqual(sum(old_theta - w.learner.theta), 0)
old_theta = np.copy(w.learner.theta)
# to cover else example and check not crashes
event = QKeyEvent(QEvent.KeyPress, Qt.Key_Q, Qt.KeyboardModifiers(0))
w.keyPressEvent(event)
# check nothing changes
assert_array_equal(old_theta, w.learner.theta)
def onExpandKeyEvent(self, keyEvent):
"""One of expand selection key events"""
if self._start is None:
currentBlockText = self._qpart.textCursor().block().text()
line = self._qpart.cursorPosition[0]
visibleColumn = self._realToVisibleColumn(
currentBlockText, self._qpart.cursorPosition[1])
self._start = (line, visibleColumn)
modifiersWithoutAltShift = keyEvent.modifiers() & (
~(Qt.AltModifier | Qt.ShiftModifier))
newEvent = QKeyEvent(QKeyEvent.Type(keyEvent.type()), keyEvent.key(),
modifiersWithoutAltShift, keyEvent.text(),
keyEvent.isAutoRepeat(), keyEvent.count())
self._qpart.cursorPositionChanged.disconnect(self._reset)
self._qpart.selectionChanged.disconnect(self._reset)
super(self._qpart.__class__, self._qpart).keyPressEvent(newEvent)
self._qpart.cursorPositionChanged.connect(self._reset)
self._qpart.selectionChanged.connect(self._reset)
def test_step_space_discrete(self):
"""
Test step
"""
w = self.widget
event = QKeyEvent(QEvent.KeyPress, Qt.Key_Space,
Qt.KeyboardModifiers(0))
# test function not crashes when no data and learner
w.keyPressEvent(event)
self.send_signal(w.Inputs.data, Table('iris')[::15])
# test theta set after step if not set yet
w.keyPressEvent(event)
self.assertIsNotNone(w.learner.theta)
# check theta is changing when step
old_theta = np.copy(w.learner.theta)
w.keyPressEvent(event)
self.assertNotEqual(sum(old_theta - w.learner.theta), 0)