Add test case to demonstrate using xpointer

Author: cboehme

metamorph/src/test/java/org/metafacture/metamorph/TestMetamorphMacros.java

@@ -168,6 +168,22 @@ public void issue227_shouldSupportXincludeForMacros() {
         verify(receiver).literal("Honolulu", "Aloha");
     }
 
+    @Test
+    public void shouldSupportXPointer() {
+        metamorph = InlineMorph.in(this)
+                .with("<include href='should-support-xpointer.xml'")
+                .with("    xmlns='http://www.w3.org/2001/XInclude'")
+                .with("    xpointer='element(/1/1)' />")
+                .with("<rules>")
+                .with("  <call-macro name='included-macro' />")
+                .with("</rules>")
+                .createConnectedTo(receiver);
+
+        processRecordWithSingleLiteral();
+
+        verify(receiver).literal("Honolulu", "Aloha");
+    }
+
     private void processRecordWithSingleLiteral() {
         metamorph.startRecord("1");
         metamorph.literal("Honolulu", "Aloha");

metamorph/src/test/resources/org/metafacture/metamorph/should-support-xpointer.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Copyright 2019 Christoph Böhme
+
+  Licensed under the Apache License, Version 2.0 the "License";
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+  -->
+<metamorph xmlns="http://www.culturegraph.org/metamorph" version="1">
+    <macros>
+        <macro name="included-macro">
+            <data source="Honolulu">
+            </data>
+        </macro>
+    </macros>
+
+    <rules>
+        <data source="a"/>
+    </rules>
+</metamorph>