Addresses vpulim#75 - Allowing a 'null' argument for WSDL methods tha…

…t take no arguments

.editorconfig

@@ -7,6 +7,9 @@ root = true
 end_of_line = lf
 insert_final_newline = true
 
+[*.xml]
+insert_final_newline = false
+
 [*.js]
 indent_style = space
 indent_size = 2

lib/client.js

@@ -140,6 +140,8 @@ Client.prototype._invoke = function(method, args, location, callback, options, e
     (method.inputSoap === 'encoded') && (encoding = 'soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" ');
   } else if (typeof (args) === 'string') {
     message = args;
+  } else if (args === null) {
+    message = "<" + name + " />";
   } else {
     assert.ok(!style || style === 'document', 'invalid message definition for rpc style binding');
     // pass `input.$lookupType` if `input.$type` could not be found

test/request-response-samples/Dummy__should_handle_null_args/common.xsd

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:tns="http://www.Dummy.com/Common/Types" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.Dummy.com/Common/Types" elementFormDefault="qualified" attributeFormDefault="unqualified">
+	<xs:complexType name="DummyResult">
+		<xs:sequence>
+			<xs:element name="DummyList" type="tns:DummyList" minOccurs="0"/>
+		</xs:sequence>
+		<xs:attribute name="code" type="xs:string" use="optional"/>
+	</xs:complexType>
+	<xs:complexType name="Dummy">
+		<xs:simpleContent>
+			<xs:extension base="xs:string">
+				<xs:attribute name="language" type="xs:language" use="optional"/>
+			</xs:extension>
+		</xs:simpleContent>
+	</xs:complexType>
+	<xs:complexType name="DummyList">
+		<xs:sequence>
+			<xs:element name="DummyElement" type="tns:Dummy" maxOccurs="unbounded"/>
+		</xs:sequence>
+	</xs:complexType>
+    <xs:complexType name="DummyFilter">
+        <xs:sequence>
+            <xs:element name="DummyIntFilter" type="xs:string" minOccurs="0"/>
+            <xs:element name="DummyStringFilter" type="xs:string" minOccurs="0"/>
+        </xs:sequence>
+    </xs:complexType>
+</xs:schema>
+

test/request-response-samples/Dummy__should_handle_null_args/name.xsd

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:c="http://www.Dummy.com/Common/Types" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.Dummy.com/Name/Types" elementFormDefault="qualified" attributeFormDefault="unqualified">
+	<xs:import namespace="common.xsd" schemaLocation="common.xsd"/>
+	<xs:element name="DummyRequest"></xs:element>
+	<xs:element name="DummyResponse">
+		<xs:complexType>
+			<xs:sequence>
+				<xs:element name="DummyResult" type="c:DummyResult"/>
+			</xs:sequence>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>

test/request-response-samples/Dummy__should_handle_null_args/request.json

@@ -0,0 +1 @@
+{}

test/request-response-samples/Dummy__should_handle_null_args/request.xml

@@ -0,0 +1 @@
+<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:tns="http://www.Dummy.com" xmlns:n="http://www.Dummy.com/Name/Types"><soap:Header></soap:Header><soap:Body><n:DummyRequest xmlns:n="http://www.Dummy.com/Name/Types" xmlns="http://www.Dummy.com/Name/Types"></n:DummyRequest></soap:Body></soap:Envelope>

test/request-response-samples/Dummy__should_handle_null_args/response.json

@@ -0,0 +1,7 @@
+{
+  "DummyResult": {
+    "DummyList": {
+      "DummyElement": "Dummy Element Entry"
+    }
+  }
+}

test/request-response-samples/Dummy__should_handle_null_args/response.xml

@@ -0,0 +1,14 @@
+<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:tns="http://www.Dummy.com" xmlns:n="http://www.Dummy.com/Name/Types" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+    <soap:Header></soap:Header>
+    <soap:Body>
+       <n:DummyResponse>
+           <n:DummyResult>
+               <c:DummyList xmlns:c="http://www.Dummy.com/Common/Types">
+                   <c:DummyElement>
+                    Dummy Element Entry
+                   </c:DummyElement>
+               </c:DummyList>
+           </n:DummyResult>
+       </n:DummyResponse>
+    </soap:Body>
+</soap:Envelope>

test/request-response-samples/Dummy__should_handle_null_args/soap.wsdl

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<wsdl:definitions xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
+xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
+xmlns:xs="http://www.w3.org/2001/XMLSchema"
+xmlns:tns="http://www.Dummy.com"  xmlns:n="http://www.Dummy.com/Name/Types"  xmlns:ns="http://schemas.xmlsoap.org/soap/encoding/" targetNamespace="http://www.Dummy.com">
+	<wsdl:types>
+		<xs:schema>
+			<xs:import namespace="http://www.Dummy.com/Common/Types" schemaLocation="common.xsd"/>
+			<xs:import namespace="http://www.Dummy.com/Name/Types" schemaLocation="name.xsd"/>
+		</xs:schema>
+	</wsdl:types>
+	<wsdl:message name="DummyRequest">
+		<wsdl:part name="DummyRequest" element="n:DummyRequest"/>
+	</wsdl:message>
+	<wsdl:message name="DummyResponse">
+		<wsdl:part name="DummyResponse" element="n:DummyResponse"/>
+	</wsdl:message>
+	<wsdl:portType name="DummyPortType">
+		<wsdl:operation name="Dummy">
+			<wsdl:input message="tns:DummyRequest"/>
+			<wsdl:output message="tns:DummyResponse"/>
+		</wsdl:operation>
+	</wsdl:portType>
+	<wsdl:binding name="DummyBinding" type="tns:DummyPortType">
+		<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
+		<wsdl:operation name="Dummy">
+			<soap:operation soapAction="http://www.Dummy.com#Dummy" style="document"/>
+			<wsdl:input>
+				<soap:body use="literal"/>
+			</wsdl:input>
+			<wsdl:output>
+				<soap:body use="literal"/>
+			</wsdl:output>
+		</wsdl:operation>
+	</wsdl:binding>
+	<wsdl:service name="DummyService">
+		<wsdl:port name="DummyPortType" binding="tns:DummyBinding">
+			<soap:address location="http://www.Dummy.com/"/>
+		</wsdl:port>
+	</wsdl:service>
+</wsdl:definitions>
+