def test_legend_key_to_expression(self): renderer = QgsGraduatedSymbolRenderer() renderer.setClassAttribute('field_name') exp, ok = renderer.legendKeyToExpression('xxxx', None) self.assertFalse(ok) # no categories exp, ok = renderer.legendKeyToExpression('0', None) self.assertFalse(ok) symbol_a = createMarkerSymbol() renderer.addClassRange(QgsRendererRange(1, 2, symbol_a, 'a')) symbol_b = createMarkerSymbol() renderer.addClassRange(QgsRendererRange(5, 6, symbol_b, 'b')) symbol_c = createMarkerSymbol() renderer.addClassRange(QgsRendererRange(15.5, 16.5, symbol_c, 'c', False)) exp, ok = renderer.legendKeyToExpression('0', None) self.assertTrue(ok) self.assertEqual(exp, "(field_name >= 1) AND (field_name <= 2)") exp, ok = renderer.legendKeyToExpression('1', None) self.assertTrue(ok) self.assertEqual(exp, "(field_name >= 5) AND (field_name <= 6)") exp, ok = renderer.legendKeyToExpression('2', None) self.assertTrue(ok) self.assertEqual(exp, "(field_name >= 15.5) AND (field_name <= 16.5)") exp, ok = renderer.legendKeyToExpression('3', None) self.assertFalse(ok) layer = QgsVectorLayer("Point?field=field_name:double&field=fldint:integer", "addfeat", "memory") # with layer exp, ok = renderer.legendKeyToExpression('2', layer) self.assertTrue(ok) self.assertEqual(exp, """("field_name" >= 15.5) AND ("field_name" <= 16.5)""") # with expression as attribute renderer.setClassAttribute('log("field_name")') exp, ok = renderer.legendKeyToExpression('0', None) self.assertTrue(ok) self.assertEqual(exp, """(log("field_name") >= 1) AND (log("field_name") <= 2)""") exp, ok = renderer.legendKeyToExpression('1', None) self.assertTrue(ok) self.assertEqual(exp, """(log("field_name") >= 5) AND (log("field_name") <= 6)""") exp, ok = renderer.legendKeyToExpression('2', None) self.assertTrue(ok) self.assertEqual(exp, """(log("field_name") >= 15.5) AND (log("field_name") <= 16.5)""") exp, ok = renderer.legendKeyToExpression('2', layer) self.assertTrue(ok) self.assertEqual(exp, """(log("field_name") >= 15.5) AND (log("field_name") <= 16.5)""")
def testQgsGraduatedSymbolRenderer_2(self): """Test QgsGraduatedSymbolRenderer: Adding /removing/editing classes """ # Create a renderer renderer = QgsGraduatedSymbolRenderer() symbol = createMarkerSymbol() renderer.setSourceSymbol(symbol.clone()) symbol.setColor(QColor(255, 0, 0)) # Add class without start and end ranges renderer.addClass(symbol.clone()) renderer.addClass(symbol.clone()) renderer.updateRangeLabel(1, 'Second range') renderer.updateRangeLowerValue(1, 10.0) renderer.updateRangeUpperValue(1, 25.0) renderer.updateRangeRenderState(1, False) symbol.setColor(QColor(0, 0, 255)) renderer.updateRangeSymbol(1, symbol.clone()) # Add as a rangeobject symbol.setColor(QColor(0, 255, 0)) range = QgsRendererRange(20.0, 25.5, symbol.clone(), 'Third range', False) renderer.addClassRange(range) # Add class by lower and upper renderer.addClassLowerUpper(25.5, 30.5) # (Update label for sorting tests) renderer.updateRangeLabel(3, 'Another range') self.assertEqual( dumpRangeLabels(renderer.ranges()), '(0.0 - 0.0,Second range,Third range,Another range,)', 'Added ranges labels not correct') self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(0.0000-0.0000,10.0000-25.0000,20.0000-25.5000,25.5000-30.5000,)', 'Added ranges lower/upper values not correct') # Check that clone function works renderer2 = renderer.clone() self.assertEqual(dumpGraduatedRenderer(renderer), dumpGraduatedRenderer(renderer2), "clone function doesn't replicate renderer properly") # Check save and reload from Dom works doc = QDomDocument() element = renderer.save(doc) renderer2 = QgsGraduatedSymbolRenderer.create(element) self.assertEqual( dumpGraduatedRenderer(renderer), dumpGraduatedRenderer(renderer2), "Save/create from DOM doesn't replicate renderer properly") # Check sorting renderer.sortByLabel() self.assertEqual( dumpRangeList(renderer.ranges(), labelsOnly=True), '(0.0 - 0.0,Another range,Second range,Third range,)', 'sortByLabel not correct') renderer.sortByValue() self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(0.0000-0.0000,10.0000-25.0000,20.0000-25.5000,25.5000-30.5000,)', 'sortByValue not correct') renderer.sortByValue(Qt.DescendingOrder) self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(25.5000-30.5000,20.0000-25.5000,10.0000-25.0000,0.0000-0.0000,)', 'sortByValue descending not correct') # Check deleting renderer.deleteClass(2) self.assertEqual(dumpRangeBreaks(renderer.ranges()), '(25.5000-30.5000,20.0000-25.5000,0.0000-0.0000,)', 'deleteClass not correct') renderer.deleteAllClasses() self.assertEqual(len(renderer.ranges()), 0, "deleteAllClasses didn't delete all")
def testQgsGraduatedSymbolRenderer_2(self): """Test QgsGraduatedSymbolRenderer: Adding /removing/editing classes """ # Create a renderer renderer = QgsGraduatedSymbolRenderer() symbol = createMarkerSymbol() renderer.setSourceSymbol(symbol.clone()) symbol.setColor(QColor(255, 0, 0)) # Add class without start and end ranges renderer.addClass(symbol.clone()) renderer.addClass(symbol.clone()) renderer.updateRangeLabel(1, 'Second range') renderer.updateRangeLowerValue(1, 10.0) renderer.updateRangeUpperValue(1, 25.0) renderer.updateRangeRenderState(1, False) symbol.setColor(QColor(0, 0, 255)) renderer.updateRangeSymbol(1, symbol.clone()) # Add as a rangeobject symbol.setColor(QColor(0, 255, 0)) range = QgsRendererRange(20.0, 25.5, symbol.clone(), 'Third range', False) renderer.addClassRange(range) # Add class by lower and upper renderer.addClassLowerUpper(25.5, 30.5) # (Update label for sorting tests) renderer.updateRangeLabel(3, 'Another range') self.assertEqual( dumpRangeLabels(renderer.ranges()), '(0.0 - 0.0,Second range,Third range,Another range,)', 'Added ranges labels not correct') self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(0.0000-0.0000,10.0000-25.0000,20.0000-25.5000,25.5000-30.5000,)', 'Added ranges lower/upper values not correct') # Check that clone function works renderer2 = renderer.clone() self.assertEqual( dumpGraduatedRenderer(renderer), dumpGraduatedRenderer(renderer2), "clone function doesn't replicate renderer properly" ) # Check save and reload from Dom works doc = QDomDocument() element = renderer.save(doc, QgsReadWriteContext()) renderer2 = QgsGraduatedSymbolRenderer.create(element, QgsReadWriteContext()) self.assertEqual( dumpGraduatedRenderer(renderer), dumpGraduatedRenderer(renderer2), "Save/create from DOM doesn't replicate renderer properly" ) # Check sorting renderer.sortByLabel() self.assertEqual( dumpRangeList(renderer.ranges(), labelsOnly=True), '(0.0 - 0.0,Another range,Second range,Third range,)', 'sortByLabel not correct') renderer.sortByValue() self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(0.0000-0.0000,10.0000-25.0000,20.0000-25.5000,25.5000-30.5000,)', 'sortByValue not correct') renderer.sortByValue(Qt.DescendingOrder) self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(25.5000-30.5000,20.0000-25.5000,10.0000-25.0000,0.0000-0.0000,)', 'sortByValue descending not correct') # Check deleting renderer.deleteClass(2) self.assertEqual( dumpRangeBreaks(renderer.ranges()), '(25.5000-30.5000,20.0000-25.5000,0.0000-0.0000,)', 'deleteClass not correct') renderer.deleteAllClasses() self.assertEqual(len(renderer.ranges()), 0, "deleteAllClasses didn't delete all")