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Python featuresourcetestbase.FeatureSourceTestCase類代碼示例

本文整理匯總了Python中featuresourcetestbase.FeatureSourceTestCase的典型用法代碼示例。如果您正苦於以下問題:Python FeatureSourceTestCase類的具體用法?Python FeatureSourceTestCase怎麽用?Python FeatureSourceTestCase使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


在下文中一共展示了FeatureSourceTestCase類的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: runOrderByTests

    def runOrderByTests(self):
        FeatureSourceTestCase.runOrderByTests(self)

        # Combination with subset of attributes
        request = QgsFeatureRequest().addOrderBy('num_char', False).setSubsetOfAttributes(['pk'], self.vl.fields())
        values = [f['pk'] for f in self.vl.getFeatures(request)]
        self.assertEqual(values, [5, 4, 3, 2, 1])
開發者ID:,項目名稱:,代碼行數:7,代碼來源:

示例2: assert_query

    def assert_query(self, source, expression, expected):
        FeatureSourceTestCase.assert_query(self, source, expression, expected)

        if self.compiled:
            # Check compilation status
            it = source.getFeatures(QgsFeatureRequest().setFilterExpression(expression))

            if expression in self.uncompiledFilters():
                self.assertEqual(it.compileStatus(), QgsAbstractFeatureIterator.NoCompilation)
            elif expression in self.partiallyCompiledFilters():
                self.assertEqual(it.compileStatus(), QgsAbstractFeatureIterator.PartiallyCompiled)
            else:
                self.assertEqual(it.compileStatus(), QgsAbstractFeatureIterator.Compiled)
開發者ID:,項目名稱:,代碼行數:13,代碼來源:

示例3: runGetFeatureTests

    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])
開發者ID:,項目名稱:,代碼行數:17,代碼來源:


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