chore: A test case for https://github.com/atlasmap/atlasmap/issues/3826

lib/modules/xml/core/src/test/java/io/atlasmap/xml/inspect/XmlSchemaInspection3826Test.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2017 Red Hat, Inc.
+ *
+ * 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.
+ */
+package io.atlasmap.xml.inspect;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.fail;
+
+import java.io.File;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.jupiter.api.Test;
+
+import io.atlasmap.xml.v2.XmlComplexType;
+import io.atlasmap.xml.v2.XmlDocument;
+import io.atlasmap.xml.v2.XmlField;
+import io.atlasmap.xml.v2.XmlNamespace;
+
+public class XmlSchemaInspection3826Test extends BaseXmlInspectionServiceTest {
+
+    @Test
+    public void testMultipleNamespaces() throws Exception {
+        File schemaFile = Paths.get("src/test/resources/inspect/schemaset-3826.xml").toFile();
+        XmlInspectionService service = new XmlInspectionService();
+        XmlDocument answer = service.inspectSchema(schemaFile);
+        Map<String, XmlNamespace> namespaces = new HashMap<>();
+        answer.getXmlNamespaces().getXmlNamespace().forEach(ns -> {
+            if (namespaces.containsKey(ns.getAlias())) {
+                XmlNamespace dup = namespaces.get(ns.getAlias());
+                fail(String.format(
+                    "Duplicate namespace detected, xmlns:%s='%s' / xmlns:%s='%s'",
+                    dup.getAlias(), dup.getUri(),
+                    ns.getAlias(), ns.getUri()
+                ));
+            }
+            namespaces.put(ns.getAlias(), ns);
+        });
+        XmlComplexType envelop = (XmlComplexType) answer.getFields().getField().get(0);
+        assertEquals("tns:envelop", envelop.getName());
+        assertEquals("it.redhat.atlasmap.sample/env", namespaces.get("tns").getUri());
+        XmlComplexType customer = (XmlComplexType) envelop.getXmlFields().getXmlField().get(0);
+        assertEquals("cus:customer", customer.getName());
+        assertEquals("it.redhat.atlasmap.sample/customer", namespaces.get("cus").getUri());
+        XmlField name = customer.getXmlFields().getXmlField().get(0);
+        assertEquals("cus:name", name.getName());
+    }
+
+}

lib/modules/xml/core/src/test/resources/inspect/schemaset-3826.xml

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+<atlas:SchemaSet 
+  xmlns:atlas="http://atlasmap.io/xml/schemaset/v2" 
+  xmlns:xs="http://www.w3.org/2001/XMLSchema"
+  xmlns:cus="it.redhat.atlasmap.sample/customer">
+
+  <xs:schema targetNamespace="it.redhat.atlasmap.sample/env" xmlns="it.redhat.atlasmap.sample/env">
+    <xs:element name="envelop">
+      <xs:complexType>
+        <xs:sequence>
+          <xs:element ref="cus:customer" />
+        </xs:sequence>
+      </xs:complexType>
+    </xs:element>
+  </xs:schema>
+
+  <atlas:AdditionalSchemas>
+    <xs:schema elementFormDefault="qualified" targetNamespace="it.redhat.atlasmap.sample/customer">
+      <xs:element name="customer">
+        <xs:complexType>
+          <xs:sequence>
+            <xs:element name="name" type="xs:string" />
+          </xs:sequence>
+        </xs:complexType>
+      </xs:element>
+    </xs:schema>
+  </atlas:AdditionalSchemas>
+
+</atlas:SchemaSet>