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 _select_data(self):
self.widget.attr_x, self.widget.attr_y = self.data.domain[:2]
area = self.widget.areas[0]
self.widget.select_area(area, QMouseEvent(
QEvent.MouseButtonPress, QPoint(), Qt.LeftButton,
Qt.LeftButton, Qt.KeyboardModifiers()))
return [0, 4, 6, 7, 11, 17, 19, 21, 22, 24, 26, 39, 40, 43, 44, 46]
def _select_data(self):
self.widget.select_area(
1,
QMouseEvent(
QEvent.MouseButtonPress,
QPoint(),
Qt.LeftButton,
Qt.LeftButton,
Qt.KeyboardModifiers(),
),
)
return [2, 3, 9, 23, 29, 30, 34, 35, 37, 42, 47, 49]
def test_selection_setting(self):
widget = self.widget
data = Table("iris.tab")
self.send_signal(widget.Inputs.data, data)
widget.select_area(
1,
QMouseEvent(QEvent.MouseButtonPress, QPoint(), Qt.LeftButton,
Qt.LeftButton, Qt.KeyboardModifiers()))
# Changing the data must reset the selection
self.send_signal(widget.Inputs.data, Table("titanic"))
self.assertFalse(bool(widget.selection))
self.assertIsNone(self.get_output(widget.Outputs.selected_data))
self.send_signal(widget.Inputs.data, data)
self.assertFalse(bool(widget.selection))
self.assertIsNone(self.get_output(widget.Outputs.selected_data))
widget.select_area(
1,
QMouseEvent(QEvent.MouseButtonPress, QPoint(), Qt.LeftButton,
Qt.LeftButton, Qt.KeyboardModifiers()))
settings = self.widget.settingsHandler.pack_data(self.widget)
# Setting data to None must reset the selection
self.send_signal(widget.Inputs.data, None)
self.assertFalse(bool(widget.selection))
self.assertIsNone(self.get_output(widget.Outputs.selected_data))
self.send_signal(widget.Inputs.data, data)
self.assertFalse(bool(widget.selection))
self.assertIsNone(self.get_output(widget.Outputs.selected_data))
w = self.create_widget(OWMosaicDisplay, stored_settings=settings)
self.assertFalse(bool(widget.selection))
self.send_signal(w.Inputs.data, data, widget=w)
self.assertEqual(w.selection, {1})
self.assertIsNotNone(self.get_output(w.Outputs.selected_data,
widget=w))
def keySequenceClicks(widget_, keySequence, extraModifiers=Qt.NoModifier):
"""Use QTest.keyClick to send a QKeySequence to a widget."""
# pylint: disable=line-too-long
# This is based on a simplified version of http://stackoverflow.com/questions/14034209/convert-string-representation-of-keycode-to-qtkey-or-any-int-and-back. I added code to handle the case in which the resulting key contains a modifier (for example, Shift+Home). When I execute QTest.keyClick(widget, keyWithModifier), I get the error "ASSERT: "false" in file .\qasciikey.cpp, line 495". To fix this, the following code splits the key into a key and its modifier.
# Bitmask for all modifier keys.
modifierMask = int(Qt.ShiftModifier | Qt.ControlModifier | Qt.AltModifier
| Qt.MetaModifier | Qt.KeypadModifier)
ks = QKeySequence(keySequence)
# For now, we don't handle a QKeySequence("Ctrl") or any other modified by itself.
assert ks.count() > 0
for _, key in enumerate(ks):
modifiers = Qt.KeyboardModifiers((key & modifierMask) | extraModifiers)
key = key & ~modifierMask
QTest.keyClick(widget_, key, modifiers, 10)
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)
