KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

Automation Advisor
NBi
NBi.Core.DataSerialization.Flattening.Xml
XPathEngine

How to use XPathEngine class of NBi.Core.DataSerialization.Flattening.Xml package

Best NBi code snippet using NBi.Core.DataSerialization.Flattening.Xml.XPathEngine

XPathEngineTest.cs

Source:XPathEngineTest.cs

...33                , new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder/Address[@Type=\"Shiping\"]/City"))34            };35            using (var reader = GetResourceReader("PurchaseOrders"))36            {37                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);38                var result = engine.Execute(reader);39                Assert.That((result.ElementAt(0) as IEnumerable<object>).Count, Is.EqualTo(3));40            }41        }42        [Test]43        [TestCase("//PurchaseOrder/Items/Item", 5)]44        [TestCase("//PurchaseOrder", 3)]45        public void Execute_Example_RowCount(string from, int rowCount)46        {47            var selects = new List<ElementSelect>()48            {49                new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder/PurchaseOrderNumber"))50                , new AttributeSelect(new LiteralScalarResolver<string>("."),"PartNumber")51                , new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder/Address[@Type=\"Shiping\"]/City"))52            };53            using (var reader = GetResourceReader("PurchaseOrders"))54            {55                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);56                var result = engine.Execute(reader);57                Assert.That(result.Count, Is.EqualTo(rowCount));58            }59        }60        [Test]61        public void Execute_FromElement_ValueCorrect()62        {63            var from = "//PurchaseOrder/Items/Item/ProductName";64            var selects = new List<ElementSelect>()65            {66                new ElementSelect(new LiteralScalarResolver<string>("."))67            };68            using (var reader = GetResourceReader("PurchaseOrders"))69            {70                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);71                var result = engine.Execute(reader);72                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("Lawnmower"));73            }74        }75        [Test]76        public void Execute_FromAttribute_ValueCorrect()77        {78            var from = "//PurchaseOrder/Items/Item";79            var selects = new List<ElementSelect>()80            {81                new AttributeSelect(new LiteralScalarResolver<string>("."),"PartNumber")82            };83            using (var reader = GetResourceReader("PurchaseOrders"))84            {85                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);86                var result = engine.Execute(reader);87                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("872-AA"));88            }89        }90        [Test]91        public void Execute_ChildElement_ValueCorrect()92        {93            var from = "//PurchaseOrder/Items/Item";94            var selects = new List<ElementSelect>()95            {96                new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder/Items/Item/ProductName"))97            };98            using (var reader = GetResourceReader("PurchaseOrders"))99            {100                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);101                var result = engine.Execute(reader);102                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("Lawnmower"));103            }104        }105        [Test]106        public void Execute_ChildAttribute_ValueCorrect()107        {108            var from = "//PurchaseOrder/Items";109            var selects = new List<ElementSelect>()110            {111                new AttributeSelect(new LiteralScalarResolver<string>("//PurchaseOrder/Items/Item"),"PartNumber")112            };113            using (var reader = GetResourceReader("PurchaseOrders"))114            {115                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);116                var result = engine.Execute(reader);117                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("872-AA"));118            }119        }120        [Test]121        public void Execute_ParentElement_ValueCorrect()122        {123            var from = "//PurchaseOrder/Items/Item";124            var selects = new List<ElementSelect>()125            {126                new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder"))127            };128            using (var reader = GetResourceReader("PurchaseOrders"))129            {130                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);131                var result = engine.Execute(reader);132                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Does.Contain("Ellen Adams"));133                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Does.Contain("Maple Street"));134            }135        }136        [Test]137        public void Execute_ParentAttribute_ValueCorrect()138        {139            var from = "//PurchaseOrder/Items/Item";140            var selects = new List<ElementSelect>()141            {142                new AttributeSelect(new LiteralScalarResolver<string>("//PurchaseOrder"),"PurchaseOrderNumber")143            };144            using (var reader = GetResourceReader("PurchaseOrders"))145            {146                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);147                var result = engine.Execute(reader);148                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("99503"));149            }150        }151        [Test]152        public void Execute_MissingElement_Null()153        {154            var from = "//PurchaseOrder/Items/Item";155            var selects = new List<ElementSelect>()156            {157                new ElementSelect(new LiteralScalarResolver<string>("//PurchaseOrder/Missing"))158            };159            using (var reader = GetResourceReader("PurchaseOrders"))160            {161                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);162                var result = engine.Execute(reader);163                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("(null)"));164            }165        }166        [Test]167        public void Execute_MissingAttribute_ValueCorrect()168        {169            var from = "//PurchaseOrder/Items/Item";170            var selects = new List<ElementSelect>()171            {172                new AttributeSelect(new LiteralScalarResolver<string>("//PurchaseOrder"), "Missing")173            };174            using (var reader = GetResourceReader("PurchaseOrders"))175            {176                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, string.Empty, false);177                var result = engine.Execute(reader);178                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("(null)"));179            }180        }181        [Test]182        public void Execute_FromElementWithDefaultNamespace_ValueCorrect()183        {184            var from = "//prefix:PurchaseOrder/prefix:Items/prefix:Item/prefix:ProductName";185            var selects = new List<ElementSelect>()186            {187                new ElementSelect(new LiteralScalarResolver<string>("."))188            };189            using (var reader = GetResourceReader("PurchaseOrdersDefaultNamespace"))190            {191                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, "prefix", false);192                var result = engine.Execute(reader);193                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("Lawnmower"));194            }195        }196        [Test]197        public void Execute_FromElementWithDefaultNamespaceAndIgnoreDefaultNamespace_ValueCorrect()198        {199            var from = "//PurchaseOrder/Items/Item/ProductName";200            var selects = new List<ElementSelect>()201            {202                new ElementSelect(new LiteralScalarResolver<string>("."))203            };204            using (var reader = GetResourceReader("PurchaseOrdersDefaultNamespace"))205            {206                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, "prefix", true);207                var result = engine.Execute(reader);208                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("Lawnmower"));209            }210        }211        [Test]212        public void Execute_FromElementWithManyNamespaces_ValueCorrect()213        {214            var from = "//prefix:PurchaseOrder/adr:Address/prefix:Street";215            var selects = new List<ElementSelect>()216            {217                new ElementSelect(new LiteralScalarResolver<string>("."))218            };219            using (var reader = GetResourceReader("PurchaseOrdersManyNamespaces"))220            {221                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, "prefix", false);222                var result = engine.Execute(reader);223                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("123 Maple Street"));224            }225        }226        [Test]227        public void Execute_FromElementWithManyNamespacesIgnoringDefaultNamespace_ValueCorrect()228        {229            var from = "//PurchaseOrder/Address/Street";230            var selects = new List<ElementSelect>()231            {232                new ElementSelect(new LiteralScalarResolver<string>("."))233            };234            using (var reader = GetResourceReader("PurchaseOrdersManyNamespaces"))235            {236                var engine = new XPathEngine(new LiteralScalarResolver<string>(from),selects, "prefix", true);237                var result = engine.Execute(reader);238                Assert.That((result.ElementAt(0) as IEnumerable<object>).ElementAt(0), Is.EqualTo("123 Maple Street"));239            }240        }241    }242}...

XPathEngine.cs

Source:XPathEngine.cs

...12using NBi.Core.ResultSet;13using NBi.Extensibility.Resolving;14namespace NBi.Core.DataSerialization.Flattening.Xml15{16    public class XPathEngine : PathFlattenizer, IDataSerializationFlattenizer17    {18        public string DefaultNamespacePrefix { get; }19        public bool IsIgnoreNamespace { get; }20        public XPathEngine(IScalarResolver<string> from, IEnumerable<IPathSelect> selects, string defaultNamespacePrefix, bool isIgnoreNamespace)21            : base(from, selects)22            => (DefaultNamespacePrefix, IsIgnoreNamespace) = (defaultNamespacePrefix, isIgnoreNamespace);23        public override IEnumerable<object> Execute(TextReader textReader)24        {25            var xmlReader = CreateReader(textReader, IsIgnoreNamespace);26            var items = XDocument.Load(xmlReader);27            var nsMgr = new XmlNamespaceManager(new NameTable());28            if (!string.IsNullOrEmpty(DefaultNamespacePrefix))29                nsMgr.AddNamespace(DefaultNamespacePrefix, items.Root.GetDefaultNamespace().NamespaceName);30            var xmlNamespaces = ((IEnumerable<object>)items.XPathEvaluate(@"//namespace::*[not(. = ../../namespace::*)]")).Cast<XAttribute>();31            foreach (var namespaceNode in xmlNamespaces)32                if (namespaceNode.Name.LocalName != "xmlns")33                    nsMgr.AddNamespace(namespaceNode.Name.LocalName, namespaceNode.Value);34            var result = from item in items.XPathSelectElements(From.Execute(), nsMgr)...

DataSerializationFlattenizerFactory.cs

Source:DataSerializationFlattenizerFactory.cs

...12        public IDataSerializationFlattenizer Instantiate(IFlattenizerArgs args)13        {14            switch (args)15            {16                case XPathArgs xpathArgs: return new XPathEngine(xpathArgs.From, xpathArgs.Selects, xpathArgs.DefaultNamespacePrefix, xpathArgs.IsIgnoreNamespace);17                case JsonPathArgs jsonPathArgs: return new JsonPathEngine(jsonPathArgs.From, jsonPathArgs.Selects);18                default: throw new ArgumentOutOfRangeException();19            }20        }21    }22}...

XPathEngine

Using AI Code Generation

1using NBi.Core.DataSerialization.Flattening.Xml;2using System.Xml;3using System.Xml.XPath;4{5    public static void Main()6    {7        XPathDocument document = new XPathDocument("books.xml");8        XPathNavigator navigator = document.CreateNavigator();9        XPathExpression expression = navigator.Compile("/bookstore/book[price>35.00]/title");10        XPathNodeIterator iterator = navigator.Select(expression);11        while (iterator.MoveNext())12        {13            Console.WriteLine(iterator.Current.Value);14        }15    }16}17boolean()18ceiling()19concat()20contains()21count()22ends-with()23floor()24format-number()25generate-id()26id()27lang()28last()29local-name()30name()31namespace-uri()32normalize-space()33not()34number()35position()36round()37starts-with()38string()39string-length()40sum()

XPathEngine

Using AI Code Generation

1var engine = new XPathEngine();2var result = engine.Evaluate("/root/child1/child2", doc);3foreach(var node in result)4{5    Console.WriteLine(node.OuterXml);6}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.