本文整理汇总了Python中featuresourcetestbase.FeatureSourceTestCase.runGetFeatureTests方法的典型用法代码示例。如果您正苦于以下问题:Python FeatureSourceTestCase.runGetFeatureTests方法的具体用法?Python FeatureSourceTestCase.runGetFeatureTests怎么用?Python FeatureSourceTestCase.runGetFeatureTests使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类featuresourcetestbase.FeatureSourceTestCase
的用法示例。
在下文中一共展示了FeatureSourceTestCase.runGetFeatureTests方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: runGetFeatureTests
# 需要导入模块: from featuresourcetestbase import FeatureSourceTestCase [as 别名]
# 或者: from featuresourcetestbase.FeatureSourceTestCase import runGetFeatureTests [as 别名]
def runGetFeatureTests(self, source):
FeatureSourceTestCase.runGetFeatureTests(self, source)
# combination of an uncompilable expression and limit
feature = next(self.vl.getFeatures('pk=4'))
context = QgsExpressionContext()
scope = QgsExpressionContextScope()
scope.setVariable('parent', feature)
context.appendScope(scope)
request = QgsFeatureRequest()
request.setExpressionContext(context)
request.setFilterExpression('"pk" = attribute(@parent, \'pk\')')
request.setLimit(1)
values = [f['pk'] for f in self.vl.getFeatures(request)]
self.assertEqual(values, [4])