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)