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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.synapse.mediators.transform;
import junit.framework.TestCase;
import org.apache.axiom.om.util.AXIOMUtil;
import org.apache.synapse.MessageContext;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.config.xml.HeaderMediatorFactory;
import org.apache.synapse.config.xml.XMLConfigConstants;
import org.apache.synapse.core.axis2.Axis2MessageContext;
import org.apache.synapse.mediators.TestUtils;
import org.apache.synapse.util.xpath.SynapseXPath;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import java.util.Map;
import java.util.Properties;
public class HeaderMediatorTest extends TestCase {
private static final String TEST_HEADER = "http://server/path";
public void testSimpleHeaderSetAndRemove() throws Exception {
HeaderMediator headerMediator = new HeaderMediator();
headerMediator.setQName(new QName(SynapseConstants.HEADER_TO));
headerMediator.setValue(TEST_HEADER);
// invoke transformation, with static enveope
MessageContext synCtx = TestUtils.getTestContext("<empty/>");
headerMediator.mediate(synCtx);
assertTrue(TEST_HEADER.equals(synCtx.getTo().getAddress()));
// set the header mediator as a remove-header
headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
headerMediator.mediate(synCtx);
assertTrue(synCtx.getTo() == null);
}
public void testSimpleHTTPHeaderSetAndRemove() throws Exception {
Map transportHeaders;
String httpHeaderName = "content-type";
String httpHeaderValue = "application/json";
HeaderMediator headerMediator = new HeaderMediator();
headerMediator.setQName(new QName(httpHeaderName));
headerMediator.setValue(httpHeaderValue);
headerMediator.setScope(XMLConfigConstants.SCOPE_TRANSPORT);
// invoke transformation, with static enveope
MessageContext synCtx = TestUtils.createLightweightSynapseMessageContext("<empty/>");
headerMediator.mediate(synCtx);
org.apache.axis2.context.MessageContext axisCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext();
transportHeaders = (Map) axisCtx.getProperty(
org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
assertTrue(httpHeaderValue.equals(transportHeaders.get(httpHeaderName)));
// set the header mediator as a remove-header
headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
headerMediator.mediate(synCtx);
transportHeaders = (Map) axisCtx.getProperty(
org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS);
assertNull(transportHeaders.get(httpHeaderName));
}
public void testSimpleHeaderXPathSetAndRemove() throws Exception {
HeaderMediator headerMediator = new HeaderMediator();
headerMediator.setQName(new QName(SynapseConstants.HEADER_TO));
headerMediator.setExpression(new SynapseXPath("concat('http://','server','/path')"));
// invoke transformation, with static enveope
MessageContext synCtx = TestUtils.getTestContext("<empty/>");
headerMediator.mediate(synCtx);
assertTrue(TEST_HEADER.equals(synCtx.getTo().getAddress()));
// set the header mediator as a remove-header
headerMediator.setAction(HeaderMediator.ACTION_REMOVE);
headerMediator.mediate(synCtx);
assertTrue(synCtx.getTo() == null);
}
/**
* Test that adding a header without namespace triggers an error (SOAP headers MUST be
* namespace-qualified).
*/
public void testSetWithNoNamespace() throws Exception {
HeaderMediator headerMediator = new HeaderMediator();
headerMediator.setQName(new QName("onlyLocalPart"));
headerMediator.setValue("value");
MessageContext synCtx = TestUtils.getTestContext("<empty/>");
try {
headerMediator.mediate(synCtx);
fail("HeaderMediator should not allow headers without namespace");
} catch (Exception ex) {
// This is expected
}
}
public void testEmbeddedXml() throws Exception {
String simpleHeader = "<header name=\"m:simpleHeader\" value=\"Simple Header\" xmlns:m=\"http://org.synapse.example\"/>";
String complexHeader = "<header><m:complexHeader xmlns:m=\"http://org.synapse.example\"><property key=\"k1\" value=\"v1\"/><property key=\"k2\" value=\"v2\"/></m:complexHeader></header>";
String removeHeader = "<header name=\"m:complexHeader\" action=\"remove\" xmlns:m=\"http://org.synapse.example\"/>";
HeaderMediatorFactory fac = new HeaderMediatorFactory();
try {
// Adding headers.
MessageContext synCtx = TestUtils.getTestContext("<empty/>");
HeaderMediator headerMediator = (HeaderMediator) fac.createMediator(AXIOMUtil.stringToOM(simpleHeader), new Properties());
headerMediator.mediate(synCtx);
headerMediator = (HeaderMediator) fac.createMediator(AXIOMUtil.stringToOM(complexHeader), new Properties());
headerMediator.mediate(synCtx);
// Removing headers.
headerMediator = (HeaderMediator) fac.createMediator(AXIOMUtil.stringToOM(removeHeader), new Properties());
headerMediator.mediate(synCtx);
} catch (XMLStreamException e) {
fail("Error while parsing header mediator configuration: inline XML scenario. " + e.getMessage());
}
}
}