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# pylint: disable=protected-access
import unittest
from unittest.mock import patch, Mock
import numpy as np
from AnyQt.QtCore import QItemSelectionModel, QPointF, Qt
from AnyQt.QtGui import QFont
from pyqtgraph import ViewBox
from Orange.data import Table, Domain, ContinuousVariable, TimeVariable
from Orange.widgets.tests.base import datasets, simulate, \
WidgetOutputsTestMixin, WidgetTest
from Orange.widgets.visualize.owviolinplot import OWViolinPlot, \
ViolinPlotViewBox, scale_density, WIDTH
class TestUtils(unittest.TestCase):
# pylint: disable=no-self-use
def test_scale_density_retain_original_data(self):
array = np.arange(10)
scaled = scale_density(WIDTH, array, 15, 20)
np.testing.assert_array_equal(array, np.arange(10))
np.testing.assert_array_equal(scaled, np.arange(10) / 20)
class TestOWViolinPlot(WidgetTest, WidgetOutputsTestMixin):
@classmethod
def setUpClass(cls):
super().setUpClass()
WidgetOutputsTestMixin.init(cls)
cls.signal_name = OWViolinPlot.Inputs.data
cls.signal_data = cls.data
cls.housing = Table("housing")
def setUp(self):
self.widget = self.create_widget(OWViolinPlot)
def _select_data(self):
self.widget.graph._update_selection(QPointF(0, 5), QPointF(0, 6), True)
assert len(self.widget.selection) == 30
return self.widget.selection
def test_kernels(self):
self.send_signal(self.widget.Inputs.data, self.data)
kernel_combo = self.widget.controls.kernel_index
for kernel in self.widget.KERNEL_LABELS[1:]:
simulate.combobox_activate_item(kernel_combo, kernel)
def test_no_cont_features(self):
data = Table("zoo")
self.send_signal(self.widget.Inputs.data, data)
self.assertTrue(self.widget.Error.no_cont_features.is_shown())
self.send_signal(self.widget.Inputs.data, None)
self.assertFalse(self.widget.Error.no_cont_features.is_shown())
def test_not_enough_instances(self):
self.send_signal(self.widget.Inputs.data, self.data[:1])
self.assertTrue(self.widget.Error.not_enough_instances.is_shown())
self.send_signal(self.widget.Inputs.data, None)
self.assertFalse(self.widget.Error.not_enough_instances.is_shown())
def test_controls(self):
self.widget.controls.show_strip_plot.setChecked(True)
self.widget.controls.show_rug_plot.setChecked(True)
self.widget.controls.order_violins.setChecked(True)
self.widget.controls.show_grid.setChecked(True)
self.widget.controls.orientation_index.buttons[0].click()
self.widget.controls.kernel_index.setCurrentIndex(1)
self.widget.controls.scale_index.setCurrentIndex(1)
self.send_signal(self.widget.Inputs.data, self.data)
self.widget.controls.show_box_plot.setChecked(False)
self.widget.controls.show_strip_plot.setChecked(False)
self.widget.controls.show_rug_plot.setChecked(False)
self.widget.controls.order_violins.setChecked(False)
self.widget.controls.show_grid.setChecked(False)
self.widget.controls.orientation_index.buttons[1].click()
self.widget.controls.kernel_index.setCurrentIndex(0)
self.widget.controls.scale_index.setCurrentIndex(2)
self.send_signal(self.widget.Inputs.data, None)
self.widget.controls.show_box_plot.setChecked(True)
self.widget.controls.show_strip_plot.setChecked(True)
self.widget.controls.show_rug_plot.setChecked(True)
self.widget.controls.order_violins.setChecked(True)
self.widget.controls.show_grid.setChecked(True)
self.widget.controls.orientation_index.buttons[0].click()
self.widget.controls.kernel_index.setCurrentIndex(1)
self.widget.controls.scale_index.setCurrentIndex(1)
def test_enable_controls(self):
self.assertTrue(self.widget.controls.order_violins.isEnabled())
self.assertTrue(self.widget.controls.scale_index.isEnabled())
self.send_signal(self.widget.Inputs.data, self.housing)
self.assertFalse(self.widget.controls.order_violins.isEnabled())
self.assertFalse(self.widget.controls.scale_index.isEnabled())
self.send_signal(self.widget.Inputs.data, self.data)
self.assertTrue(self.widget.controls.order_violins.isEnabled())
self.assertTrue(self.widget.controls.scale_index.isEnabled())
self.__select_value(self.widget._group_var_view, "None")
self.assertFalse(self.widget.controls.order_violins.isEnabled())
self.assertFalse(self.widget.controls.scale_index.isEnabled())
self.send_signal(self.widget.Inputs.data, None)
self.assertTrue(self.widget.controls.order_violins.isEnabled())
self.assertTrue(self.widget.controls.scale_index.isEnabled())
@patch("Orange.widgets.visualize.owviolinplot.ViolinPlot.set_show_grid")
def test_show_grid_sets_show_grid(self, show_grid):
self.send_signal(self.widget.Inputs.data, self.data)
self.widget.show_grid = True
show_grid.reset_mock()
self.widget.controls.show_grid.click()
show_grid.assert_called_once()
show_grid.reset_mock()
self.widget.controls.show_grid.click()
show_grid.assert_called_once()
def test_show_grid_orientation(self):
if not self.widget.show_grid:
self.widget.controls.show_grid.click()
assert self.widget.show_grid
self.send_signal(self.widget.Inputs.data, self.data)
self.widget.controls.orientation_index.buttons[1].click() # Vertical
get_axis = self.widget.graph.plotItem.getAxis
self.assertIs(get_axis("bottom").grid, False)
self.assertIsNot(get_axis("left").grid, False)
self.widget.controls.orientation_index.buttons[0].click()
self.assertIsNot(get_axis("bottom").grid, False)
self.assertIs(get_axis("left").grid, False)
self.widget.controls.show_grid.click()
self.assertIs(get_axis("bottom").grid, False)
self.assertIs(get_axis("left").grid, False)
def test_datasets(self):
self.widget.controls.show_strip_plot.setChecked(True)
self.widget.controls.show_rug_plot.setChecked(True)
for ds in datasets.datasets():
self.send_signal(self.widget.Inputs.data, ds)
for i in range(3):
cb = self.widget.controls.scale_index
simulate.combobox_activate_index(cb, i)
def test_unique_values(self):
self.send_signal(self.widget.Inputs.data, self.data[:5])
self.__select_value(self.widget._value_var_view, "petal width")
def test_paint(self):
self.send_signal(self.widget.Inputs.data, self.data)
self.widget.controls.show_strip_plot.setChecked(True)
self.widget.controls.show_rug_plot.setChecked(True)
painter = Mock()
painter.save = Mock()
painter.drawLine = Mock()
painter.drawPath = Mock()
painter.drawRect = Mock()
painter.restore = Mock()
item = self.widget.graph._ViolinPlot__violin_items[0]
item.paint(painter, Mock())
painter.drawPath.assert_called_once()
painter.drawLine.reset_mock()
item = self.widget.graph._ViolinPlot__box_items[0]
item.paint(painter, Mock(), None)
self.assertEqual(painter.drawLine.call_count, 2)
self._select_data()
item = self.widget.graph._ViolinPlot__selection_rects[0]
item.paint(painter, Mock())
painter.drawRect.assert_called_once()
self.widget.controls.orientation_index.buttons[0].click()
painter.drawPath.reset_mock()
item = self.widget.graph._ViolinPlot__violin_items[0]
item.paint(painter, Mock())
painter.drawPath.assert_called_once()
painter.drawLine.reset_mock()
item = self.widget.graph._ViolinPlot__box_items[0]
item.paint(painter, Mock(), None)
self.assertEqual(painter.drawLine.call_count, 2)
painter.drawRect.reset_mock()
item = self.widget.graph._ViolinPlot__selection_rects[0]
item.paint(painter, Mock())
painter.drawRect.assert_called_once()
self.assertEqual(painter.save.call_count, 6)
self.assertEqual(painter.restore.call_count, 6)
@patch.object(ViolinPlotViewBox, "mapToView")
def test_select(self, mocked_mapToView: Mock):
mocked_mapToView.side_effect = lambda x: x
view_box: ViewBox = self.widget.graph.getViewBox()
event = Mock()
event.button.return_value = Qt.LeftButton
event.buttonDownPos.return_value = QPointF(0, 5)
event.pos.return_value = QPointF(0, 6)
event.isFinish.return_value = True
view_box.mouseDragEvent(event)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertIsNone(selected)
self.send_signal(self.widget.Inputs.data, self.data)
view_box.mouseDragEvent(event)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 30)
view_box.mouseDragEvent(event, 1)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 30)
view_box.mouseClickEvent(Mock())
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertIsNone(selected)
view_box.mouseDragEvent(event)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 30)
def test_set_selection_not_data(self):
self.widget.graph.set_selection([1, 2])
@patch.object(ViolinPlotViewBox, "mapToView")
def test_selection_rect(self, mocked_mapToView: Mock):
mocked_mapToView.side_effect = lambda x: x
view_box: ViewBox = self.widget.graph.getViewBox()
event = Mock()
event.button.return_value = Qt.LeftButton
event.buttonDownPos.return_value = QPointF(0, 5)
event.pos.return_value = QPointF(0, 6)
event.isFinish.return_value = True
self.send_signal(self.widget.Inputs.data, self.data)
view_box.mouseDragEvent(event)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 30)
sel_rect = self.widget.graph._ViolinPlot__selection_rects[0]
self.assertEqual(sel_rect.selection_rect.height(), 1)
self.widget.controls.orientation_index.buttons[0].click()
sel_rect = self.widget.graph._ViolinPlot__selection_rects[0]
self.assertEqual(sel_rect.selection_rect.width(), 1)
def test_selection_no_data(self):
self.widget.graph._update_selection(QPointF(0, 5), QPointF(0, 6), 1)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertIsNone(selected)
def test_selection_no_group(self):
self.send_signal(self.widget.Inputs.data, self.housing)
self.widget.graph._update_selection(QPointF(0, 30), QPointF(0, 40), 1)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 53)
def test_selection_sort_violins(self):
self.send_signal(self.widget.Inputs.data, self.data)
self.__select_value(self.widget._value_var_view, "sepal width")
self.widget.controls.show_strip_plot.setChecked(True)
self.widget.graph._update_selection(QPointF(0, 4), QPointF(0, 5), 1)
selected1 = self.get_output(self.widget.Outputs.selected_data)
self.widget.controls.order_violins.setChecked(True)
selected2 = self.get_output(self.widget.Outputs.selected_data)
self.assert_table_equal(selected1, selected2)
def test_selection_orientation(self):
self.send_signal(self.widget.Inputs.data, self.housing)
self.widget.graph._update_selection(QPointF(0, 30), QPointF(0, 40), 1)
self.widget.controls.orientation_index.buttons[0].click()
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 53)
self.widget.graph._update_selection(QPointF(30, 0), QPointF(40, 0), 1)
selected = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected), 53)
def test_saved_selection(self):
graph = self.widget.graph
self.send_signal(self.widget.Inputs.data, self.data)
graph._update_selection(QPointF(0, 6), QPointF(0, 5.5), 1)
selected1 = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected1), 5)
with patch("AnyQt.QtWidgets.QApplication.keyboardModifiers",
lambda: Qt.ShiftModifier):
graph._update_selection(QPointF(6, 6), QPointF(6, 5.5), 1)
selected2 = self.get_output(self.widget.Outputs.selected_data)
self.assertEqual(len(selected2), 13)
settings = self.widget.settingsHandler.pack_data(self.widget)
widget = self.create_widget(OWViolinPlot, stored_settings=settings)
self.send_signal(widget.Inputs.data, self.data, widget=widget)
selected3 = self.get_output(widget.Outputs.selected_data,
widget=widget)
self.assert_table_equal(selected2, selected3)
@WidgetTest.skipNonEnglish
def test_visual_settings(self):
graph = self.widget.graph
def test_settings():
font = QFont("Helvetica", italic=True, pointSize=20)
self.assertFontEqual(
graph.parameter_setter.title_item.item.font(), font
)
font.setPointSize(16)
for item in graph.parameter_setter.axis_items:
self.assertFontEqual(item.label.font(), font)
font.setPointSize(15)
for item in graph.parameter_setter.axis_items:
self.assertFontEqual(item.style["tickFont"], font)
self.assertEqual(
graph.parameter_setter.title_item.item.toPlainText(), "Foo"
)
self.assertEqual(graph.parameter_setter.title_item.text, "Foo")
self.assertTrue(
graph.parameter_setter.bottom_axis.style["rotateTicks"]
)
self.send_signal(self.widget.Inputs.data, self.data)
key, value = ("Fonts", "Font family", "Font family"), "Helvetica"
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Title", "Font size"), 20
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Title", "Italic"), True
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Axis title", "Font size"), 16
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Axis title", "Italic"), True
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Axis ticks", "Font size"), 15
self.widget.set_visual_settings(key, value)
key, value = ("Fonts", "Axis ticks", "Italic"), True
self.widget.set_visual_settings(key, value)
key, value = ("Annotations", "Title", "Title"), "Foo"
self.widget.set_visual_settings(key, value)
key, value = ("Figure", "Bottom axis", "Vertical tick text"), True
self.widget.set_visual_settings(key, value)
self.send_signal(self.widget.Inputs.data, self.data)
test_settings()
self.send_signal(self.widget.Inputs.data, None)
self.send_signal(self.widget.Inputs.data, self.data)
test_settings()
def assertFontEqual(self, font1, font2):
self.assertEqual(font1.family(), font2.family())
self.assertEqual(font1.pointSize(), font2.pointSize())
self.assertEqual(font1.italic(), font2.italic())
def test_use_time(self):
widget = self.widget
widget.orientation_index = 1 # Vertical
left_axis = widget.graph.plotItem.getAxis("left")
bottom_axis = widget.graph.plotItem.getAxis("bottom")
x, y = TimeVariable("x"), ContinuousVariable("y")
domain = Domain([x, y], [])
data = Table.from_list(domain, [
["2020-01-01", 1],
["2020-01-02", 2],
["2020-01-03", 3],
["2020-01-04", 4],
["2020-01-05", 5]])
self.send_signal(widget.Inputs.data, data)
self.__select_value(widget._value_var_view, "y")
self.assertFalse(left_axis.is_time())
self.assertFalse(bottom_axis.is_time())
self.__select_value(widget._value_var_view, "x")
self.assertTrue(left_axis.is_time())
self.assertFalse(bottom_axis.is_time())
widget.controls.orientation_index.buttons[0].click()
assert widget.orientation_index == 0 # Horizontal
self.assertFalse(left_axis.is_time())
self.assertTrue(bottom_axis.is_time())
self.__select_value(widget._value_var_view, "y")
self.assertFalse(left_axis.is_time())
self.assertFalse(bottom_axis.is_time())
@staticmethod
def __select_value(list_, value):
model = list_.model()
for i in range(model.rowCount()):
idx = model.index(i, 0)
if model.data(idx) == value:
list_.selectionModel().setCurrentIndex(
idx, QItemSelectionModel.ClearAndSelect)
if __name__ == "__main__":
unittest.main()
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