/*
* Copyright (c) 2011, Cloudera, Inc. All Rights Reserved.
*
* Cloudera, Inc. 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
*
* This software 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 com.cloudera.lib.servlet;
import com.cloudera.circus.test.XTest;
import org.mockito.Mockito;
import org.slf4j.MDC;
import org.testng.Assert;
import org.testng.annotations.Test;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.security.Principal;
import java.util.concurrent.atomic.AtomicBoolean;
@Test(singleThreaded = true)
public class TestMDCFilter extends XTest {
@Test
public void mdc() throws Exception {
HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
Mockito.when(request.getUserPrincipal()).thenReturn(null);
Mockito.when(request.getMethod()).thenReturn("METHOD");
Mockito.when(request.getPathInfo()).thenReturn("/pathinfo");
ServletResponse response = Mockito.mock(ServletResponse.class);
final AtomicBoolean invoked = new AtomicBoolean();
FilterChain chain = new FilterChain() {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse)
throws IOException, ServletException {
Assert.assertEquals(MDC.get("hostname"), null);
Assert.assertEquals(MDC.get("user"), null);
Assert.assertEquals(MDC.get("method"), "METHOD");
Assert.assertEquals(MDC.get("path"), "/pathinfo");
invoked.set(true);
}
};
MDC.clear();
Filter filter = new MDCFilter();
filter.init(null);
filter.doFilter(request, response, chain);
Assert.assertTrue(invoked.get());
Assert.assertNull(MDC.get("hostname"));
Assert.assertNull(MDC.get("user"));
Assert.assertNull(MDC.get("method"));
Assert.assertNull(MDC.get("path"));
Mockito.when(request.getUserPrincipal()).thenReturn(new Principal() {
@Override
public String getName() {
return "name";
}
});
invoked.set(false);
chain = new FilterChain() {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse)
throws IOException, ServletException {
Assert.assertEquals(MDC.get("hostname"), null);
Assert.assertEquals(MDC.get("user"), "name");
Assert.assertEquals(MDC.get("method"), "METHOD");
Assert.assertEquals(MDC.get("path"), "/pathinfo");
invoked.set(true);
}
};
filter.doFilter(request, response, chain);
Assert.assertTrue(invoked.get());
HostnameFilter.HOSTNAME_TL.set("HOST");
invoked.set(false);
chain = new FilterChain() {
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse)
throws IOException, ServletException {
Assert.assertEquals(MDC.get("hostname"), "HOST");
Assert.assertEquals(MDC.get("user"), "name");
Assert.assertEquals(MDC.get("method"), "METHOD");
Assert.assertEquals(MDC.get("path"), "/pathinfo");
invoked.set(true);
}
};
filter.doFilter(request, response, chain);
Assert.assertTrue(invoked.get());
HostnameFilter.HOSTNAME_TL.remove();
filter.destroy();
}
}