Fix WSDL for list of anonymous type

src/SoapCore.Tests/Wsdl/Services/ComplexTypeAnonymous.cs

@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Serialization;
+
+namespace SoapCore.Tests.Wsdl.Services
+{
+	[XmlType(AnonymousType = true)]
+	public class ComplexTypeAnonymous
+	{
+		public int IntProperty { get; set; }
+		[XmlElement(ElementName = "stringprop")]
+		public string StringProperty { get; set; }
+		[XmlElement(ElementName = "mybytes")]
+		public byte[] ByteArrayProperty { get; set; }
+
+		public Guid MyGuid { get; set; }
+
+		public List<string> StringList { get; set; }
+
+		public List<int> IntList { get; set; }
+	}
+}

src/SoapCore.Tests/Wsdl/Services/IComplexAnonymousListService.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.ServiceModel;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SoapCore.Tests.Wsdl.Services
+{
+	[ServiceContract]
+	public interface IComplexAnonymousListService
+	{
+		[OperationContract]
+		List<ComplexTypeAnonymous> Test();
+	}
+
+	public class ComplexAnonymousListService : IComplexAnonymousListService
+	{
+		public List<ComplexTypeAnonymous> Test() => throw new NotImplementedException();
+	}
+}

src/SoapCore.Tests/Wsdl/WsdlTests.cs

@@ -1239,6 +1239,52 @@ public void CheckComplexBaseTypeServiceWsdl()
 			Assert.IsNotNull(listDerivedType);
 		}
 
+		[DataTestMethod]
+		[DataRow(SoapSerializer.XmlSerializer)]
+		public async Task CheckComplexAnonymousTypeListWsdl(SoapSerializer soapSerializer)
+		{
+			var wsdl = await GetWsdlFromMetaBodyWriter<ComplexAnonymousListService>(soapSerializer);
+			Trace.TraceInformation(wsdl);
+			Assert.IsNotNull(wsdl);
+
+			var root = XElement.Parse(wsdl);
+
+			// Check complexType exists for xmlserializer meta
+			var testResultElement = GetElements(root, _xmlSchema + "element").SingleOrDefault(a => a.Attribute("type") != null && a.Attribute("name")?.Value.Equals("TestResult") == true);
+			Assert.IsNotNull(testResultElement);
+
+			// Now check if we can match the array type up with it's declaration
+			var split = testResultElement.Attribute("type").Value.Split(':');
+			var typeNamespace = testResultElement.GetNamespaceOfPrefix(split[0]);
+
+			var matchingSchema = GetElements(root, _xmlSchema + "schema").Where(schema => schema.Attribute("targetNamespace")?.Value.Equals(typeNamespace.NamespaceName) == true);
+			Assert.IsTrue(matchingSchema.Count() > 0);
+
+			var matched = false;
+			XElement matchingComplexType = null;
+			foreach (var schema in matchingSchema)
+			{
+				matchingComplexType = GetElements(schema, _xmlSchema + "complexType").SingleOrDefault(a => a.Attribute("name")?.Value.Equals(split[1]) == true);
+				if (matchingComplexType != null)
+				{
+					matched = true;
+				}
+			}
+
+			Assert.IsTrue(matched);
+
+			// The complex type is an array with a single element, which is an anonymous complex type
+			var arrayElement = matchingComplexType.Element(_xmlSchema + "sequence")?.Element(_xmlSchema + "element");
+			Assert.IsNotNull(arrayElement);
+
+			// The element needs a name and a complex type
+			var nameAttribute = arrayElement.Attribute("name");
+			Assert.IsFalse(string.IsNullOrEmpty(nameAttribute.Value));
+
+			var arrayElementType = arrayElement.Element(_xmlSchema + "complexType");
+			Assert.IsNotNull(arrayElementType);
+		}
+
 		[TestCleanup]
 		public void StopServer()
 		{
@@ -1281,6 +1327,7 @@ private async Task<string> GetWsdlFromMetaBodyWriter<T>(SoapSerializer serialize
 			var service = new ServiceDescription(typeof(T), false);
 			var baseUrl = "http://tempuri.org/";
 			var xmlNamespaceManager = Namespaces.CreateDefaultXmlNamespaceManager(useMicrosoftGuid);
+			xmlNamespaceManager.AddNamespace("tns", service.GeneralContract.Namespace);
 			var defaultBindingName = !string.IsNullOrWhiteSpace(bindingName) ? bindingName : "BasicHttpBinding";
 			var bodyWriter = serializer == SoapSerializer.DataContractSerializer
 				? new MetaWCFBodyWriter(service, baseUrl, defaultBindingName, false, new[] { new SoapBindingInfo(MessageVersion.None, bindingName, portName) }, new DefaultWsdlOperationNameGenerator()) as BodyWriter

src/SoapCore/Meta/MetaBodyWriter.cs

@@ -20,7 +20,7 @@
 	public class MetaBodyWriter : BodyWriter
 	{
 		private const string FaultSuffix = "Fault";
 		private static int _namespaceCounter = 1;
 
 		private readonly ServiceDescription _service;
 		private readonly string _baseUrl;
@@ -1240,6 +1240,11 @@
 				}
 				else if (toBuild.IsAnonumous)
 				{
+					if (string.IsNullOrEmpty(name))
+					{
+						name = typeName;
+					}
+
 					writer.WriteAttributeString("name", name);
 					WriteQualification(writer, isUnqualified);
 					AddSchemaComplexType(writer, newTypeToBuild);