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from unittest.mock import Mock
import numpy as np
from AnyQt.QtCore import Qt
from Orange.widgets import widget
from Orange.widgets.tests.base import WidgetTest
from Orange.widgets.utils.slidergraph import SliderGraph
class SimpleWidget(widget.OWWidget):
name = "Simple widget"
def __init__(self):
super().__init__()
self.plot = SliderGraph(x_axis_label="label1",
y_axis_label="label2",
callback=lambda x: x)
self.mainArea.layout().addWidget(self.plot)
class TestSliderGraph(WidgetTest):
def setUp(self):
self.data = [np.array([1, 2, 3, 4, 5, 6, 7])]
self.widget = self.create_widget(SimpleWidget)
def test_init(self):
p = self.widget.plot
# labels set correctly?
self.assertEqual("label1", p.getAxis("bottom").labelText)
self.assertEqual("label2", p.getAxis("left").labelText)
# pylint: disable=protected-access
self.assertIsNone(p._line)
self.assertIsNone(p.sequences)
self.assertIsNone(p.x)
self.assertIsNone(p.selection_limit)
self.assertIsNone(p.data_increasing)
self.assertListEqual([], p.plot_horlabel)
self.assertListEqual([], p.plot_horline)
def test_plot(self):
p = self.widget.plot
x = np.arange(len(self.data[0]))
p.update(x, self.data, [Qt.red],
cutpoint_x=1)
# labels set correctly?
self.assertEqual("label1", p.getAxis("bottom").labelText)
self.assertEqual("label2", p.getAxis("left").labelText)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
np.testing.assert_array_equal(self.data, p.sequences)
np.testing.assert_array_equal(x, p.x)
self.assertTrue(p.data_increasing)
self.assertEqual(len(p.plot_horlabel), 1)
self.assertEqual(len(p.plot_horline), 1)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
def test_plot_selection_limit(self):
p = self.widget.plot
x = np.arange(len(self.data[0]))
p.update(x, self.data, [Qt.red],
cutpoint_x=1, selection_limit=(0, 2))
# labels set correctly?
self.assertEqual("label1", p.getAxis("bottom").labelText)
self.assertEqual("label2", p.getAxis("left").labelText)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
np.testing.assert_array_equal(self.data, p.sequences)
np.testing.assert_array_equal(x, p.x)
self.assertTrue(p.data_increasing)
self.assertTupleEqual((0, 2), p.selection_limit)
# pylint: disable=protected-access
self.assertEqual((0, 2), p._line.maxRange)
self.assertEqual(len(p.plot_horlabel), 1)
self.assertEqual(len(p.plot_horline), 1)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
def test_plot_no_cutpoint(self):
"""
When no cutpoint provided there must be no cutpoint plotted.
"""
p = self.widget.plot
x = np.arange(len(self.data[0]))
p.update(x, self.data, [Qt.red])
# pylint: disable=protected-access
self.assertIsNone(p._line)
# then it is set
p.update(x, self.data, [Qt.red], cutpoint_x=1)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
# and re-ploted without cutpoint again
p.update(x, self.data, [Qt.red])
# pylint: disable=protected-access
self.assertIsNone(p._line)
def test_hover_event(self):
p = self.widget.plot
x = np.arange(len(self.data[0]))
p.update(x, self.data, [Qt.red], cutpoint_x=1)
# pylint: disable=protected-access
self.assertIsNotNone(p._line)
enter_event = Mock()
enter_event.isEnter.return_value = True
enter_event.isExit.return_value = False
p._line.hoverEvent(enter_event)
self.assertEqual(p._line.pen, p._line._highlight_pen)
exit_event = Mock()
exit_event.isEnter.return_value = False
exit_event.isExit.return_value = True
p._line.hoverEvent(exit_event)
self.assertEqual(p._line.pen, p._line._normal_pen)
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