def test_style_with_ramps(self):
style = QgsStyle()
style.createMemoryDatabase()
# style with only ramps
ramp_a = QgsLimitedRandomColorRamp(5)
self.assertTrue(style.addColorRamp('a', ramp_a, True))
style.tagSymbol(QgsStyle.ColorrampEntity, 'a', ['tag 1', 'tag 2'])
symbol_B = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('B ', symbol_B, True))
symbol_b = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('b', symbol_b, True))
symbol_C = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp('C', symbol_C, True))
style.tagSymbol(QgsStyle.ColorrampEntity, 'C', ['tag 3'])
symbol_C = QgsLimitedRandomColorRamp()
self.assertTrue(style.addColorRamp(' ----c/- ', symbol_C, True))
model = QgsStyleModel(style)
self.assertEqual(model.rowCount(), 5)
self.assertEqual(model.columnCount(), 2)
self.assertTrue(model.index(0, 0).isValid())
self.assertFalse(model.index(10, 0).isValid())
self.assertFalse(model.index(0, 10).isValid())
self.assertFalse(model.parent(model.index(0, 0)).isValid())
for role in (Qt.DisplayRole, Qt.EditRole):
self.assertIsNone(model.data(model.index(-1, 0), role))
self.assertIsNone(model.data(model.index(-1, 1), role))
self.assertEqual(model.data(model.index(0, 0), role), ' ----c/- ')
self.assertFalse(model.data(model.index(0, 1), role))
self.assertIsNone(model.data(model.index(0, 2), role))
self.assertIsNone(model.data(model.index(0, -1), role))
self.assertEqual(model.data(model.index(1, 0), role), 'B ')
self.assertFalse(model.data(model.index(1, 1), role))
self.assertEqual(model.data(model.index(2, 0), role), 'C')
self.assertEqual(model.data(model.index(2, 1), role), 'tag 3')
self.assertEqual(model.data(model.index(3, 0), role), 'a')
self.assertEqual(model.data(model.index(3, 1), role),
'tag 1, tag 2')
self.assertEqual(model.data(model.index(4, 0), role), 'b')
self.assertFalse(model.data(model.index(4, 1), role))
self.assertIsNone(model.data(model.index(5, 0), role))
self.assertIsNone(model.data(model.index(5, 1), role))
# decorations
self.assertIsNone(model.data(model.index(-1, 0), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(0, 1), Qt.DecorationRole))
self.assertIsNone(model.data(model.index(5, 0), Qt.DecorationRole))
self.assertFalse(
model.data(model.index(0, 0), Qt.DecorationRole).isNull())
self.assertEqual(model.data(model.index(0, 0), QgsStyleModel.TypeRole),
QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(1, 0), QgsStyleModel.TypeRole),
QgsStyle.ColorrampEntity)
self.assertEqual(model.data(model.index(4, 0), QgsStyleModel.TypeRole),
QgsStyle.ColorrampEntity)
