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import numpy as np
from AnyQt.QtCore import Qt, QPoint
from AnyQt.QtGui import QFont, QPalette
from AnyQt.QtTest import QTest, QSignalSpy
from AnyQt.QtWidgets import QGraphicsScene, QGraphicsView
from orangecanvas.gui.test import mouseMove
from orangewidget.tests.base import GuiTest
from Orange.clustering.hierarchical import Tree, SingletonData, ClusterData
from Orange.widgets.visualize.utils.heatmap import HeatmapGridWidget, \
GradientColorMap, CategoricalColorMap, CategoricalColorLegend
class _GraphicsGuiTest(GuiTest):
scene: QGraphicsScene
view: QGraphicsView
def setUp(self) -> None:
super().setUp()
self.view = QGraphicsView()
self.scene = QGraphicsScene(self.view)
self.view.setScene(self.scene)
def tearDown(self) -> None:
self.scene.clear()
self.scene.deleteLater()
self.scene = None
self.view.deleteLater()
self.view = None
super().tearDown()
class TestHeatmapGridWidget(_GraphicsGuiTest):
_c2 = Tree(ClusterData((0, 1), 0.5), (
Tree(SingletonData((0, 0), 0, 0), ()),
Tree(SingletonData((1, 1), 0, 1), ()),
))
_Data = {
"0-0": HeatmapGridWidget.Parts(
rows=[], columns=[], data=np.zeros(shape=(0, 0)), span=(0, 0)
),
"1-0": HeatmapGridWidget.Parts(
rows=[], columns=[], data=np.zeros(shape=(0, 0)), span=(0, 0)
),
"0-1": HeatmapGridWidget.Parts(
rows=[], columns=[HeatmapGridWidget.ColumnItem("a", [0])],
data=np.zeros(shape=(0, 1)), span=(0, 1)
),
"1-1": HeatmapGridWidget.Parts(
rows=[HeatmapGridWidget.RowItem("a", [0])],
columns=[HeatmapGridWidget.ColumnItem("a", [0])],
data=np.zeros(shape=(1, 1)), span=(0, 1),
row_names=["a"], col_names=["b"],
),
"2-2-split": HeatmapGridWidget.Parts(
rows=[
HeatmapGridWidget.RowItem("a", [0]),
HeatmapGridWidget.RowItem("b", [1]),
],
columns=[
HeatmapGridWidget.ColumnItem("a", [0]),
HeatmapGridWidget.ColumnItem("a", [1]),
],
data=np.zeros(shape=(2, 2)), span=(-1, 1),
row_names=["a", "b"],
col_names=["b", "b"],
),
"2-2-cl": HeatmapGridWidget.Parts(
rows=[HeatmapGridWidget.RowItem("", [0, 1], _c2)],
columns=[HeatmapGridWidget.ColumnItem("", [0, 1], _c2)],
data=np.zeros(shape=(2, 2)), span=(-1, 1),
row_names=["a", "b"],
col_names=["b", "b"],
),
"2-2": HeatmapGridWidget.Parts(
rows=[HeatmapGridWidget.RowItem("", [0, 1])],
columns=[HeatmapGridWidget.ColumnItem("", [0, 1])],
data=np.zeros(shape=(2, 2)), span=(-1, 1),
row_names=["a", "b"],
col_names=["b", "b"],
)
}
def test_widget(self):
w = HeatmapGridWidget()
self.scene.addItem(w)
for p in self._Data.values():
w.setHeatmaps(p)
w.headerGeometry()
w.footerGeometry()
# Trigger the change events.
p = QPalette()
p.setColor(QPalette.All, QPalette.Text, Qt.red)
w.setPalette(p)
f = QFont()
f.setPointSizeF(19.5)
w.setFont(f)
def test_widget_annotations(self):
w = HeatmapGridWidget()
self.scene.addItem(w)
w.setHeatmaps(self._Data["2-2"])
# Coverage. The game.
w.setLegendVisible(True)
w.setLegendVisible(False)
w.setShowAverages(True)
w.setShowAverages(False)
w.setRowLabels(None)
w.setRowLabels(["1", "2"])
w.setRowLabelsVisible(False)
w.setRowLabelsVisible(True)
w.setColumnLabels(None)
w.setColumnLabels(["1", "2"])
w.setAspectRatioMode(Qt.IgnoreAspectRatio)
w.setAspectRatioMode(Qt.KeepAspectRatio)
w.setAspectRatioMode(Qt.KeepAspectRatioByExpanding)
for pos in (
HeatmapGridWidget.NoPosition,
HeatmapGridWidget.PositionTop,
HeatmapGridWidget.PositionBottom,
HeatmapGridWidget.PositionTop | HeatmapGridWidget.PositionBottom,
):
w.setColumnLabelsPosition(pos)
w.setRowSideColorAnnotations(
np.array([0, 1]),
CategoricalColorMap(np.array([[255] * 3, [0] * 3]),
names=["a", "b"])
)
w.setRowSideColorAnnotations(None)
def test_selection(self):
w = HeatmapGridWidget()
self.scene.addItem(w)
w.setHeatmaps(self._Data["2-2"])
view = self.view
w.resize(w.effectiveSizeHint(Qt.PreferredSize))
h = w.layout().itemAt(w.Row0, w.Col0 + 1)
pos = view.mapFromScene(h.scenePos())
spy = QSignalSpy(w.selectionFinished)
QTest.mouseClick(
view.viewport(), Qt.LeftButton, pos=pos + QPoint(1, 1)
)
self.assertSequenceEqual(list(spy), [[]])
self.assertSequenceEqual(w.selectedRows(), [0])
spy = QSignalSpy(w.selectionFinished)
QTest.mouseClick(
view.viewport(), Qt.LeftButton, Qt.ControlModifier,
pos=pos + QPoint(1, 1)
)
self.assertSequenceEqual(list(spy), [[]])
self.assertSequenceEqual(w.selectedRows(), [])
spy = QSignalSpy(w.selectionFinished)
QTest.mousePress(view.viewport(), Qt.LeftButton, pos=pos + QPoint(1, 1))
mouseMove(view.viewport(), Qt.LeftButton, pos=pos + QPoint(20, 20))
QTest.mouseRelease(view.viewport(), Qt.LeftButton,
pos=pos + QPoint(30, 40))
self.assertSequenceEqual(list(spy), [[]])
spy_fin = QSignalSpy(w.selectionFinished)
spy_chn = QSignalSpy(w.selectionChanged)
w.selectRows([1])
self.assertSequenceEqual(list(spy_fin), [])
self.assertSequenceEqual(list(spy_chn), [[]])
def test_colormap(self):
w = HeatmapGridWidget()
self.scene.addItem(w)
w.setHeatmaps(self._Data["2-2"])
w.setColorMap(GradientColorMap([[255] * 3, [0] * 3]))
w.setColorMap(GradientColorMap([[255] * 3, [0] * 3], center=0))
class TestCategoricalColorLegend(_GraphicsGuiTest):
def ensure_scene_polished(self):
self.view.grab()
def test_font_propagation(self):
cmap = CategoricalColorMap(np.array([[255] * 3, [0] * 3]),
names=["a", "b"])
w = CategoricalColorLegend(cmap, title="Title")
self.scene.addItem(w)
font = QFont("Windings")
w.setFont(font)
# needs to be polished for FontChange to be delivered
self.ensure_scene_polished()
self.assertEqual(w.layout().itemAt(0).item.font().family(),
font.family())
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