def test_delegate(self):
opt = QStyleOptionViewItem()
index = self.model.index(0, 0)
self.delegate.initStyleOption(opt, index)
self.assertEqual(opt.text, "0x0")
icon = QIcon(SvgIconEngine(b'<svg></svg>'))
yellow = QColor(Qt.yellow)
magenta = QColor(Qt.magenta)
data = {
Qt.DisplayRole: "AA",
Qt.FontRole: QFont("Times New Roman"),
Qt.TextAlignmentRole: Qt.AlignRight,
Qt.CheckStateRole: Qt.Checked,
Qt.DecorationRole: icon,
Qt.ForegroundRole: yellow,
Qt.BackgroundRole: magenta,
}
self.model.setItemData(index, data)
self.delegate.initStyleOption(opt, index)
self.assertEqual(opt.font.family(), QFont("Times New Roman").family())
self.assertEqual(opt.displayAlignment, Qt.AlignRight)
self.assertEqual(opt.backgroundBrush.color(), magenta)
self.assertEqual(opt.palette.text().color(), yellow)
self.assertFalse(opt.icon.isNull())
self.assertEqual(opt.icon.cacheKey(), icon.cacheKey())
res = self.delegate.cachedData(index, Qt.DisplayRole)
self.assertEqual(res, "AA")
res = self.delegate.cachedItemData(
index, (Qt.DisplayRole, Qt.TextAlignmentRole))
self.assertIn(Qt.DisplayRole, res)
self.assertIn(Qt.TextAlignmentRole, res)
self.assertEqual(res[Qt.TextAlignmentRole], Qt.AlignRight)
self.assertEqual(res[Qt.DisplayRole], "AA")
