Python QgsExpression.functionIndex示例

示例#1

 def testCanUnregisterFunction(self):
     QgsExpression.registerFunction(self.testfun)
     index = QgsExpression.functionIndex('testfun')
     self.assertNotEqual(index, -1)
     error = QgsExpression.unregisterFunction('testfun')
     self.assertTrue(error)
     index = QgsExpression.functionIndex('testfun')
     self.assertEqual(index, -1)

示例#2

 def testCanUnregisterFunction(self):
     QgsExpression.registerFunction(self.testfun)
     index = QgsExpression.functionIndex("testfun")
     self.assertTrue(not index == -1)
     error = QgsExpression.unregisterFunction("testfun")
     self.assertTrue(error)
     index = QgsExpression.functionIndex("testfun")
     self.assertTrue(index == -1)

示例#3

 def testCanBeRegistered(self):
     QgsExpression.registerFunction(self.testfun)
     index = QgsExpression.functionIndex('testfun')
     self.assertNotEqual(index, -1)

示例#4

文件： test_qgsexpression.py 项目： afei200815/QGIS

 def testCanBeRegistered(self):
     QgsExpression.registerFunction(self.testfun)
     index = QgsExpression.functionIndex('testfun')
     self.assertTrue(not index == -1)

示例#5

文件： test_qgsexpression.py 项目： dudds6699/QGIS

 def testCanBeRegistered(self):
     QgsExpression.registerFunction(self.testfun)
     index = QgsExpression.functionIndex('testfun')
     self.assertTrue(not index == -1)