net.bull.javamelody.TestMonitoringFilter.java Source code

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/*
 * Copyright 2008-2017 by Emeric Vernat
 *
 *     This file is part of Java Melody.
 *
 * 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 net.bull.javamelody; // NOPMD

import static org.easymock.EasyMock.createNiceMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringReader;
import java.io.StringWriter;
import java.lang.reflect.Field;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Random;
import java.util.Set;

import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ReadListener;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletInputStream;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.junit.Before;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import ch.qos.logback.classic.Level;
import ch.qos.logback.classic.Logger;
import net.bull.javamelody.internal.common.HttpParameter;
import net.bull.javamelody.internal.common.HttpPart;
import net.bull.javamelody.internal.common.LOG;
import net.bull.javamelody.internal.common.Parameters;
import net.bull.javamelody.internal.model.Action;
import net.bull.javamelody.internal.model.JavaInformations;
import net.bull.javamelody.internal.model.Period;
import net.bull.javamelody.internal.model.Range;
import net.bull.javamelody.internal.model.TestDatabaseInformations;
import net.bull.javamelody.internal.model.TransportFormat;
import net.bull.javamelody.internal.web.CounterServletResponseWrapper;
import net.bull.javamelody.internal.web.FilterServletOutputStream;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;

/**
 * Test unitaire de la classe MonitoringFilter.
 * @author Emeric Vernat
 */
// CHECKSTYLE:OFF
public class TestMonitoringFilter {
    // CHECKSTYLE:ON
    private static final String FILTER_NAME = "monitoring";
    // identique  HttpCookieManager.PERIOD_COOKIE_NAME
    private static final String PERIOD_COOKIE_NAME = "javamelody.period";
    private static final String REMOTE_ADDR = "127.0.0.1"; // NOPMD
    private static final String CONTEXT_PATH = "/test";
    private static final String TRUE = "true";
    private MonitoringFilter monitoringFilter;

    /**
     * Initialisation (deux Before ne garantissent pas l'ordre dans Eclipse).
     */
    public TestMonitoringFilter() {
        super();
        Utils.initialize();
    }

    /**
     * Initialisation.
     * @throws ServletException e
     */
    @Before
    public void setUp() throws ServletException {
        try {
            final Field field = MonitoringFilter.class.getDeclaredField("instanceCreated");
            field.setAccessible(true);
            field.set(null, false);
        } catch (final IllegalAccessException e) {
            throw new IllegalStateException(e);
        } catch (final NoSuchFieldException e) {
            throw new IllegalStateException(e);
        }
        final FilterConfig config = createNiceMock(FilterConfig.class);
        final ServletContext context = createNiceMock(ServletContext.class);
        expect(config.getServletContext()).andReturn(context).anyTimes();
        expect(config.getFilterName()).andReturn(FILTER_NAME).anyTimes();
        // anyTimes sur getInitParameter car TestJdbcDriver a pu fixer la proprit systme  false
        expect(context.getInitParameter(Parameters.PARAMETER_SYSTEM_PREFIX + Parameter.DISABLED.getCode()))
                .andReturn(null).anyTimes();
        expect(config.getInitParameter(Parameter.DISABLED.getCode())).andReturn(null).anyTimes();
        expect(context.getMajorVersion()).andReturn(2).anyTimes();
        expect(context.getMinorVersion()).andReturn(5).anyTimes();
        expect(context.getServletContextName()).andReturn("test webapp").anyTimes();
        // mockJetty pour avoir un applicationServerIconName dans JavaInformations
        expect(context.getServerInfo()).andReturn("mockJetty").anyTimes();
        // dependencies pour avoir des dpendances dans JavaInformations
        final Set<String> dependencies = new LinkedHashSet<String>(
                Arrays.asList("/WEB-INF/lib/jrobin.jar", "/WEB-INF/lib/javamelody.jar"));
        // et flags pour considrer que les ressources pom.xml et web.xml existent
        JavaInformations.setWebXmlExistsAndPomXmlExists(true, true);
        expect(context.getResourcePaths("/WEB-INF/lib/")).andReturn(dependencies).anyTimes();
        expect(context.getContextPath()).andReturn(CONTEXT_PATH).anyTimes();
        monitoringFilter = new MonitoringFilter();
        monitoringFilter.setApplicationType("Test");
        replay(config);
        replay(context);
        monitoringFilter.init(config);
        verify(config);
        verify(context);
    }

    /** Test.
     * @throws ServletException e */
    @Test
    public void testLog() throws ServletException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        expect(request.getRemoteAddr()).andReturn(REMOTE_ADDR);
        expect(request.getRequestURI()).andReturn("/test/request");
        expect(request.getContextPath()).andReturn(CONTEXT_PATH);
        expect(request.getQueryString()).andReturn("param1=1");
        expect(request.getMethod()).andReturn("GET");

        setProperty(Parameter.LOG, TRUE);

        setUp();

        replay(request);
        monitoringFilter.log(request, "test", 1000, false, 10000);
        verify(request);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilterNoHttp() throws ServletException, IOException {
        final FilterChain servletChain = createNiceMock(FilterChain.class);
        final ServletRequest servletRequest = createNiceMock(ServletRequest.class);
        final ServletResponse servletResponse = createNiceMock(ServletResponse.class);
        replay(servletRequest);
        replay(servletResponse);
        replay(servletChain);
        monitoringFilter.doFilter(servletRequest, servletResponse, servletChain);
        verify(servletRequest);
        verify(servletResponse);
        verify(servletChain);

        final FilterChain servletChain2 = createNiceMock(FilterChain.class);
        final HttpServletRequest servletRequest2 = createNiceMock(HttpServletRequest.class);
        final ServletResponse servletResponse2 = createNiceMock(ServletResponse.class);
        replay(servletRequest2);
        replay(servletResponse2);
        replay(servletChain2);
        monitoringFilter.doFilter(servletRequest2, servletResponse2, servletChain2);
        verify(servletRequest2);
        verify(servletResponse2);
        verify(servletChain2);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilter() throws ServletException, IOException {
        // displayed-counters
        setProperty(Parameter.DISPLAYED_COUNTERS, "sql");
        try {
            setUp();
            doFilter(createNiceMock(HttpServletRequest.class));
            setProperty(Parameter.DISPLAYED_COUNTERS, "");
            setUp();
            doFilter(createNiceMock(HttpServletRequest.class));
            setProperty(Parameter.DISPLAYED_COUNTERS, "unknown");
            try {
                setUp();
                doFilter(createNiceMock(HttpServletRequest.class));
            } catch (final IllegalArgumentException e) {
                assertNotNull("ok", e);
            }
        } finally {
            setProperty(Parameter.DISPLAYED_COUNTERS, null);
        }

        // url exclue
        setProperty(Parameter.URL_EXCLUDE_PATTERN, ".*");
        try {
            setUp();
            doFilter(createNiceMock(HttpServletRequest.class));
        } finally {
            setProperty(Parameter.URL_EXCLUDE_PATTERN, "");
        }

        // standard
        setUp();
        doFilter(createNiceMock(HttpServletRequest.class));

        // log
        setUp();
        setProperty(Parameter.LOG, TRUE);
        try {
            ((Logger) org.slf4j.LoggerFactory.getLogger(FILTER_NAME)).setLevel(Level.WARN);
            doFilter(createNiceMock(HttpServletRequest.class));

            ((Logger) org.slf4j.LoggerFactory.getLogger(FILTER_NAME)).setLevel(Level.DEBUG);
            doFilter(createNiceMock(HttpServletRequest.class));

            final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
            expect(request.getHeader("X-Forwarded-For")).andReturn("me").anyTimes();
            expect(request.getQueryString()).andReturn("param1=1").anyTimes();
            doFilter(request);
        } finally {
            setProperty(Parameter.LOG, null);
        }

        // ajax
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        expect(request.getHeader("X-Requested-With")).andReturn("XMLHttpRequest");
        doFilter(request);

        // erreur systme http, avec log
        setProperty(Parameter.LOG, TRUE);
        try {
            final String test = "test";
            doFilter(createNiceMock(HttpServletRequest.class), new UnknownError(test));
            doFilter(createNiceMock(HttpServletRequest.class), new IllegalStateException(test));
            // pas possibles:
            //         doFilter(createNiceMock(HttpServletRequest.class), new IOException(test));
            //         doFilter(createNiceMock(HttpServletRequest.class), new ServletException(test));
            //         doFilter(createNiceMock(HttpServletRequest.class), new Exception(test));
        } finally {
            setProperty(Parameter.LOG, null);
        }

        setProperty(Parameter.RUM_ENABLED, TRUE);
        try {
            setUp();
            final HttpServletRequest requestForRum = createNiceMock(HttpServletRequest.class);
            expect(requestForRum.getHeader("accept")).andReturn("text/html");
            expect(requestForRum.getInputStream())
                    .andReturn(createInputStreamForString("<html><body>test</body></html>")).anyTimes();
            doFilter(requestForRum);
        } finally {
            setProperty(Parameter.RUM_ENABLED, null);
        }
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilterWithSession() throws ServletException, IOException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        final HttpSession session = createNiceMock(HttpSession.class);
        expect(request.getSession(false)).andReturn(session);
        expect(request.getLocale()).andReturn(Locale.FRANCE);
        replay(session);
        doFilter(request);
        verify(session);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilterWithSessionBis() throws ServletException, IOException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        final HttpSession session = createNiceMock(HttpSession.class);
        expect(request.getSession(false)).andReturn(session);
        // Locale sans pays
        expect(request.getLocale()).andReturn(Locale.FRENCH).anyTimes();
        // "X-Forwarded-For"
        expect(request.getHeader("X-Forwarded-For")).andReturn("somewhere").anyTimes();
        // getRemoteUser
        expect(request.getRemoteUser()).andReturn("me").anyTimes();
        replay(session);
        doFilter(request);
        verify(session);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilterWithSessionTer() throws ServletException, IOException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        final HttpSession session = createNiceMock(HttpSession.class);
        expect(request.getSession(false)).andReturn(session);
        expect(session.getAttribute(SessionListener.SESSION_COUNTRY_KEY)).andReturn(Locale.FRANCE.getCountry())
                .anyTimes();
        expect(session.getAttribute(SessionListener.SESSION_REMOTE_ADDR)).andReturn("somewhere").anyTimes();
        expect(session.getAttribute(SessionListener.SESSION_REMOTE_USER)).andReturn("me").anyTimes();
        replay(session);
        doFilter(request);
        verify(session);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoFilterWithGWT() throws ServletException, IOException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        final String textGwtRpc = "text/x-gwt-rpc";
        expect(request.getContentType()).andReturn(textGwtRpc).anyTimes();
        expect(request.getInputStream()).andReturn(createInputStreamForString("1|2|3|4|5|6|7|8|9|10")).anyTimes();
        doFilter(request);

        final HttpServletRequest request2a = createNiceMock(HttpServletRequest.class);
        expect(request2a.getContentType()).andReturn("not/x-gwt-rpc").anyTimes();
        expect(request2a.getInputStream()).andReturn(createInputStreamForString("1|2|3|4|5|6|7|8|9|10")).anyTimes();
        doFilter(request2a);

        final HttpServletRequest request2b = createNiceMock(HttpServletRequest.class);
        expect(request2b.getContentType()).andReturn(textGwtRpc).anyTimes();
        expect(request2b.getInputStream()).andReturn(createInputStreamForString("1|2|3|4|5|6")).anyTimes();
        expect(request2b.getReader()).andReturn(new BufferedReader(new StringReader("1|2|3|4|5|6"))).anyTimes();
        replay(request2b);
        final PayloadNameRequestWrapper wrapper2b = new PayloadNameRequestWrapper(request2b);
        wrapper2b.getInputStream().read();
        wrapper2b.getReader().read();
        verify(request2b);

        final HttpServletRequest request2 = createNiceMock(HttpServletRequest.class);
        expect(request2.getContentType()).andReturn(textGwtRpc).anyTimes();
        expect(request2.getInputStream()).andReturn(createInputStreamForString("1|2|3|4|5|6||8|9|10")).anyTimes();
        expect(request2.getReader()).andReturn(new BufferedReader(new StringReader("1|2|3|4|5|6"))).anyTimes();
        replay(request2);
        final PayloadNameRequestWrapper wrapper2 = new PayloadNameRequestWrapper(request2);
        wrapper2.getInputStream().read();
        wrapper2.getReader().read();
        verify(request2);

        final HttpServletRequest request3 = createNiceMock(HttpServletRequest.class);
        expect(request3.getContentType()).andReturn(textGwtRpc).anyTimes();
        expect(request3.getCharacterEncoding()).andReturn("utf-8").anyTimes();
        expect(request3.getInputStream()).andReturn(createInputStreamForString("1|2|3|4|5|6||8|9|10")).anyTimes();
        expect(request3.getReader()).andReturn(new BufferedReader(new StringReader("1|2|3|4|5|6"))).anyTimes();
        replay(request3);
        final PayloadNameRequestWrapper wrapper3 = new PayloadNameRequestWrapper(request3);
        wrapper3.getInputStream().read();
        wrapper3.getInputStream().read();
        wrapper3.getReader().read();
        wrapper3.getReader().read();
        verify(request3);
    }

    private ServletInputStream createInputStreamForString(final String string) {
        final ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(string.getBytes());
        // CHECKSTYLE:OFF
        final ServletInputStream inputStream = new ServletInputStream() {
            // CHECKSTYLE:ON
            @Override
            public int read() throws IOException {
                return byteArrayInputStream.read();
            }

            @Override
            public boolean isFinished() {
                return false;
            }

            @Override
            public boolean isReady() {
                return false;
            }

            @Override
            public void setReadListener(ReadListener readListener) {
                // nothing
            }
        };
        return inputStream;
    }

    private void doFilter(HttpServletRequest request) throws ServletException, IOException {
        doFilter(request, null);
    }

    private void doFilter(HttpServletRequest request, Throwable exceptionInDoFilter)
            throws ServletException, IOException {
        final FilterChain chain = createNiceMock(FilterChain.class);
        expect(request.getRequestURI()).andReturn("/test/request").anyTimes();
        expect(request.getContextPath()).andReturn(CONTEXT_PATH).anyTimes();
        expect(request.getMethod()).andReturn("GET").anyTimes();
        if (exceptionInDoFilter != null) {
            // cela fera une erreur systme http compte dans les stats
            expect(request.getRemoteUser()).andThrow(exceptionInDoFilter);
        }
        final HttpServletResponse response = createNiceMock(HttpServletResponse.class);

        replay(request);
        replay(response);
        replay(chain);
        if (exceptionInDoFilter != null) {
            try {
                monitoringFilter.doFilter(request, response, chain);
            } catch (final Throwable t) { // NOPMD
                assertNotNull("ok", t);
            }
        } else {
            monitoringFilter.doFilter(request, response, chain);
        }
        verify(request);
        verify(response);
        verify(chain);
    }

    /** Test.
     * @throws IOException e */
    @Test
    public void testFilterServletResponseWrapper() throws IOException {
        final HttpServletResponse response = createNiceMock(HttpServletResponse.class);
        expect(response.getOutputStream()).andReturn(new FilterServletOutputStream(new ByteArrayOutputStream()))
                .anyTimes();
        expect(response.getCharacterEncoding()).andReturn("ISO-8859-1").anyTimes();
        final CounterServletResponseWrapper wrappedResponse = new CounterServletResponseWrapper(response);
        replay(response);
        assertNotNull("getOutputStream", wrappedResponse.getOutputStream());
        assertNotNull("getOutputStream bis", wrappedResponse.getOutputStream());
        assertNotNull("getOutputStream", wrappedResponse.getCharacterEncoding());
        wrappedResponse.close();
        verify(response);

        final HttpServletResponse response2 = createNiceMock(HttpServletResponse.class);
        expect(response2.getOutputStream()).andReturn(new FilterServletOutputStream(new ByteArrayOutputStream()))
                .anyTimes();
        expect(response2.getCharacterEncoding()).andReturn(null).anyTimes();
        final CounterServletResponseWrapper wrappedResponse2 = new CounterServletResponseWrapper(response);
        replay(response2);
        assertNotNull("getWriter", wrappedResponse2.getWriter());
        assertNotNull("getWriter bis", wrappedResponse2.getWriter());
        wrappedResponse2.close();
        verify(response2);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoring() throws ServletException, IOException {
        monitoring(Collections.<HttpParameter, String>emptyMap());
        monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.FORMAT, "html"));
        monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.FORMAT, "htmlbody"));
        setProperty(Parameter.DISABLED, Boolean.TRUE.toString());
        try {
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
        } finally {
            monitoringFilter.destroy();
            setProperty(Parameter.DISABLED, Boolean.FALSE.toString());
        }
        setProperty(Parameter.NO_DATABASE, Boolean.TRUE.toString());
        try {
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap());
        } finally {
            setProperty(Parameter.NO_DATABASE, Boolean.FALSE.toString());
        }
        setProperty(Parameter.ALLOWED_ADDR_PATTERN, "256.*");
        try {
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
            setProperty(Parameter.ALLOWED_ADDR_PATTERN, ".*");
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
        } finally {
            setProperty(Parameter.ALLOWED_ADDR_PATTERN, null);
        }
        setProperty(Parameter.AUTHORIZED_USERS, "admin:password, ");
        try {
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
            setProperty(Parameter.AUTHORIZED_USERS, "");
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
        } finally {
            setProperty(Parameter.AUTHORIZED_USERS, null);
        }
        setProperty(Parameter.MONITORING_PATH, "/admin/monitoring");
        try {
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap(), false);
        } finally {
            setProperty(Parameter.MONITORING_PATH, "/monitoring");
        }
        try {
            setProperty(Parameter.JMX_EXPOSE_ENABLED, Boolean.TRUE.toString());
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap());
        } finally {
            monitoringFilter.destroy();
            setProperty(Parameter.JMX_EXPOSE_ENABLED, null);
        }
        try {
            setProperty(Parameter.RUM_ENABLED, Boolean.TRUE.toString());
            setUp();
            monitoring(Collections.<HttpParameter, String>emptyMap());
            monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.RESOURCE, "boomerang.min.js"));
            monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.PART, HttpPart.RUM.getName()),
                    false);
        } finally {
            monitoringFilter.destroy();
            setProperty(Parameter.RUM_ENABLED, null);
        }
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithMail() throws ServletException, IOException {
        setProperty(Parameter.MAIL_SESSION, "testmailsession");
        setProperty(Parameter.ADMIN_EMAILS, null);
        setUp();
        monitoring(Collections.<HttpParameter, String>emptyMap());
        setProperty(Parameter.ADMIN_EMAILS, "evernat@free.fr");
        setUp();
        monitoring(Collections.<HttpParameter, String>emptyMap());
        setProperty(Parameter.MAIL_SESSION, null);
        setProperty(Parameter.ADMIN_EMAILS, null);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithPeriod() throws ServletException, IOException {
        monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.PERIOD, Period.JOUR.getCode()));
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithResource() throws ServletException, IOException {
        monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.RESOURCE, "monitoring.css"));
        monitoring(Collections.<HttpParameter, String>singletonMap(HttpParameter.RESOURCE, "beans.png"));
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithGraph() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.GRAPH, "usedMemory");
        parameters.put(HttpParameter.WIDTH, "800");
        parameters.put(HttpParameter.HEIGHT, "600");
        monitoring(parameters);
        parameters.put(HttpParameter.GRAPH, "unknown");
        monitoring(parameters, false);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithParts() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();

        parameters.put(HttpParameter.PART, HttpPart.CURRENT_REQUESTS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.THREADS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.THREADS_DUMP.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.CACHE_KEYS.getName());
        final String cacheName = getClass().getName();
        CacheManager.getInstance().addCache(cacheName);
        parameters.put(HttpParameter.CACHE_ID, cacheName);
        monitoring(parameters);
        CacheManager.getInstance().getCache(cacheName).put(new Element("1", "value"));
        monitoring(parameters);
        parameters.put(HttpParameter.FORMAT, "htmlbody");
        monitoring(parameters);
        CacheManager.getInstance().removeCache(cacheName);
        parameters.remove(HttpParameter.CACHE_ID);
        parameters.remove(HttpParameter.FORMAT);

        parameters.put(HttpParameter.PART, HttpPart.JNLP.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.DEPENDENCIES.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.COUNTER_SUMMARY_PER_CLASS.getName());
        parameters.put(HttpParameter.COUNTER, "services");
        monitoring(parameters);
        parameters.put(HttpParameter.GRAPH, "unknown service");
        monitoring(parameters);
        parameters.remove(HttpParameter.COUNTER);

        doMonitoringWithGraphPart();

        doMonitoringWithSourcePart();

        doMonitoringWithUnknownPart();
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithPartsForSystemActions() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        parameters.put(HttpParameter.PART, HttpPart.PROCESSES.getName());
        monitoring(parameters);
        monitorJdbcParts(parameters);
        // il ne faut pas faire un heapHisto sans thread comme dans TestHtmlHeapHistogramReport
        //      parameters.put(HttpParameter.PART, HttpPart.HEAP_HISTO.getName());
        //      monitoring(parameters);
        monitoringSessionsPart(parameters);
        parameters.put(HttpParameter.PART, HttpPart.WEB_XML.getName());
        monitoring(parameters, false);
        parameters.put(HttpParameter.PART, HttpPart.POM_XML.getName());
        monitoring(parameters, false);
        parameters.put(HttpParameter.PART, HttpPart.JNDI.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.MBEANS.getName());
        monitoring(parameters);
        final ApplicationContext context = new ClassPathXmlApplicationContext(
                new String[] { "net/bull/javamelody/monitoring-spring.xml", });
        context.getBeanDefinitionNames();
        parameters.put(HttpParameter.PART, HttpPart.SPRING_BEANS.getName());
        monitoring(parameters);
        setProperty(Parameter.SAMPLING_SECONDS, "60");
        setUp();
        parameters.put(HttpParameter.PART, HttpPart.HOTSPOTS.getName());
        monitoring(parameters);
        parameters.remove(HttpParameter.PART);
        parameters.put(HttpParameter.JMX_VALUE, "java.lang:type=OperatingSystem.ProcessCpuTime");
        monitoring(parameters);
        parameters.remove(HttpParameter.JMX_VALUE);
    }

    /**
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithReportParameter() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.REPORT, "customReport");
        System.setProperty(Parameters.PARAMETER_SYSTEM_PREFIX + "customReport", "");
        monitoring(parameters, false);
        System.setProperty(Parameters.PARAMETER_SYSTEM_PREFIX + "customReport", "test");
        monitoring(parameters, false);
        System.setProperty(Parameters.PARAMETER_SYSTEM_PREFIX + "customReport", "/test");
        monitoring(parameters, false);
        parameters.remove(HttpParameter.REPORT);
    }

    private void doMonitoringWithUnknownPart() throws IOException, ServletException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.PART, "unknown part");
        boolean exception = false;
        try {
            monitoring(parameters);
        } catch (final IllegalArgumentException e) {
            exception = true;
        }
        assertTrue("exception if unknown part", exception);
    }

    private void monitoringSessionsPart(final Map<HttpParameter, String> parameters)
            throws IOException, ServletException {
        parameters.put(HttpParameter.PART, HttpPart.SESSIONS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.SESSIONS.getName());
        parameters.put(HttpParameter.SESSION_ID, "expired session");
        monitoring(parameters);
        parameters.remove(HttpParameter.SESSION_ID);
    }

    private void doMonitoringWithGraphPart() throws IOException, ServletException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.PART, HttpPart.GRAPH.getName());
        parameters.put(HttpParameter.GRAPH, "usedMemory");
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.LAST_VALUE.getName());
        parameters.put(HttpParameter.GRAPH, "usedMemory,cpu,unknown");
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.USAGES.getName());
        parameters.put(HttpParameter.GRAPH, "unknown");
        monitoring(parameters);
    }

    private void doMonitoringWithSourcePart() throws IOException, ServletException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.PART, HttpPart.SOURCE.getName());
        // classe java du jdk
        parameters.put(HttpParameter.CLASS, "java.lang.String");
        monitoring(parameters);
        // classe interne dans le mme fichier
        parameters.put(HttpParameter.CLASS, "java.lang.Thread$State");
        monitoring(parameters);
        // classe javax du jdk
        parameters.put(HttpParameter.CLASS, "javax.naming.InitialContext");
        monitoring(parameters);
        // classe inexistante
        parameters.put(HttpParameter.CLASS, "java.dummy");
        monitoring(parameters);
        // classe d'un jar construit par Maven
        parameters.put(HttpParameter.CLASS, "org.jrobin.core.RrdDb");
        monitoring(parameters);
        // classe d'un jar construit par Maven, sans sources
        parameters.put(HttpParameter.CLASS, "org.apache.tomcat.dbcp.dbcp.BasicDataSource");
        monitoring(parameters);
        // classe d'un jar non construit par Maven
        parameters.put(HttpParameter.CLASS, "com.lowagie.text.Document");
        monitoring(parameters);
        parameters.remove(HttpParameter.CLASS);
    }

    private void monitorJdbcParts(Map<HttpParameter, String> parameters) throws IOException, ServletException {
        final Connection connection = TestDatabaseInformations.initH2();
        try {
            parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
            monitoring(parameters);
            parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
            parameters.put(HttpParameter.REQUEST, "0");
            monitoring(parameters);
            parameters.put(HttpParameter.PART, HttpPart.CONNECTIONS.getName());
            monitoring(parameters);
            parameters.put(HttpParameter.PART, HttpPart.CONNECTIONS.getName());
            parameters.put(HttpParameter.FORMAT, "htmlbody");
            monitoring(parameters);
            parameters.remove(HttpParameter.FORMAT);
            parameters.put(HttpParameter.REQUEST, "0");
            monitoring(parameters);
            parameters.remove(HttpParameter.REQUEST);
        } finally {
            try {
                connection.close();
            } catch (final SQLException e) {
                LOG.warn(e.toString(), e);
            }
        }
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithActions() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        parameters.put(HttpParameter.ACTION, Action.GC.toString());
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.INVALIDATE_SESSIONS.toString());
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.INVALIDATE_SESSION.toString());
        parameters.put(HttpParameter.SESSION_ID, "123456789");
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.CLEAR_CACHES.toString());
        monitoring(parameters);
        if (CacheManager.getInstance().getCache("test clear") == null) {
            CacheManager.getInstance().addCache("test clear");
        }
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.PAUSE_JOB.toString());
        parameters.put(HttpParameter.JOB_ID, "all");
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.RESUME_JOB.toString());
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.CLEAR_COUNTER.toString());
        parameters.put(HttpParameter.COUNTER, "all");
        monitoring(parameters);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithFormatPdf() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.FORMAT, "pdf");
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.RUNTIME_DEPENDENCIES.getName());
        parameters.put(HttpParameter.COUNTER, "services");
        monitoring(parameters);
        parameters.remove(HttpParameter.COUNTER);
        parameters.put(HttpParameter.PART, HttpPart.CURRENT_REQUESTS.getName());
        monitoring(parameters);
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        parameters.put(HttpParameter.PART, HttpPart.SESSIONS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.PROCESSES.getName());
        monitoring(parameters);
        boolean exception = false;
        try {
            parameters.put(HttpParameter.PART, HttpPart.JNDI.getName());
            monitoring(parameters);
        } catch (final Exception e) {
            exception = true;
        }
        assertTrue("exception caused by NoInitialContextException", exception);
        parameters.put(HttpParameter.PART, HttpPart.MBEANS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.COUNTER_SUMMARY_PER_CLASS.getName());
        parameters.put(HttpParameter.COUNTER, "guice");
        monitoring(parameters);
        parameters.remove(HttpParameter.COUNTER);
        TestDatabaseInformations.initJdbcDriverParameters();
        parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
        monitoring(parameters);
        setProperty(Parameter.SAMPLING_SECONDS, "60");
        setUp();
        parameters.put(HttpParameter.PART, HttpPart.HOTSPOTS.getName());
        monitoring(parameters);
        // il ne faut pas faire un heapHisto sans thread comme dans TestHtmlHeapHistogramReport
        //      parameters.put(HttpParameter.PART, HttpPart.HEAP_HISTO.getName());
        //      monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.GRAPH.getName());
        parameters.put(HttpParameter.GRAPH, "usedMemory");
        monitoring(parameters);
        parameters.remove(HttpParameter.GRAPH);
        parameters.put(HttpParameter.PART, "unknown part");
        try {
            monitoring(parameters);
        } catch (final Exception e) {
            exception = true;
        }
        assertTrue("exception if unknown part", exception);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    // CHECKSTYLE:OFF
    @Test
    // CHECKSTYLE:ON
    public void testDoMonitoringWithFormatSerialized() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.FORMAT, TransportFormat.SERIALIZED.getCode());
        monitoring(parameters);
        parameters.put(HttpParameter.JMX_VALUE, "java.lang:type=OperatingSystem.ProcessCpuTime");
        monitoring(parameters);
        parameters.remove(HttpParameter.JMX_VALUE);
        parameters.put(HttpParameter.PART, HttpPart.LAST_VALUE.getName());
        parameters.put(HttpParameter.GRAPH, "usedMemory,cpu,unknown");
        monitoring(parameters);
        parameters.remove(HttpParameter.GRAPH);
        setProperty(Parameter.SAMPLING_SECONDS, "60");
        setUp();
        parameters.put(HttpParameter.PART, HttpPart.HOTSPOTS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.JVM.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.THREADS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.CURRENT_REQUESTS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.DEFAULT_WITH_CURRENT_REQUESTS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.WIDTH, "80");
        parameters.put(HttpParameter.HEIGHT, "80");
        parameters.put(HttpParameter.PART, HttpPart.JROBINS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.GRAPH, "cpu");
        parameters.put(HttpParameter.PART, HttpPart.JROBINS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.GRAPH.getName());
        monitoring(parameters);
        parameters.remove(HttpParameter.GRAPH);
        parameters.put(HttpParameter.PART, HttpPart.OTHER_JROBINS.getName());
        monitoring(parameters);
        parameters.remove(HttpParameter.WIDTH);
        parameters.remove(HttpParameter.HEIGHT);
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        monitoring(parameters);
        monitoringSessionsPart(parameters);
        parameters.put(HttpParameter.PART, HttpPart.PROCESSES.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.JNDI.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.MBEANS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.DEPENDENCIES.getName());
        monitoring(parameters);
        TestDatabaseInformations.initJdbcDriverParameters();
        parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.REQUEST, "0");
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.EXPLAIN_PLAN.getName());
        parameters.put(HttpParameter.REQUEST, "select 1 from dual");
        monitoring(parameters);
        parameters.remove(HttpParameter.REQUEST);
        parameters.put(HttpParameter.PART, HttpPart.CONNECTIONS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.COUNTER_SUMMARY_PER_CLASS.getName());
        parameters.put(HttpParameter.COUNTER, "guice");
        monitoring(parameters);
        parameters.put(HttpParameter.PERIOD, "jour");
        monitoring(parameters);
        parameters.remove(HttpParameter.COUNTER);
        parameters.remove(HttpParameter.PERIOD);
        parameters.put(HttpParameter.PART, HttpPart.WEBAPP_VERSIONS.getName());
        monitoring(parameters);
        // il ne faut pas faire un heapHisto sans thread comme dans TestHtmlHeapHistogramReport
        //      parameters.put(HttpParameter.PART, HttpPart.HEAP_HISTO.getName());
        //      monitoring(parameters);
        parameters.put(HttpParameter.PART, null);
        parameters.put(HttpParameter.COLLECTOR, "stop");
        monitoring(parameters);
        parameters.put(HttpParameter.ACTION, Action.GC.toString());
        monitoring(parameters);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithFormatXml() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.FORMAT, TransportFormat.XML.getCode());
        monitoring(parameters);
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        parameters.put(HttpParameter.PART, HttpPart.SESSIONS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.PROCESSES.getName());
        monitoring(parameters);
        TestDatabaseInformations.initJdbcDriverParameters();
        parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.CONNECTIONS.getName());
        monitoring(parameters);
        // il ne faut pas faire un heapHisto sans thread comme dans TestHtmlHeapHistogramReport
        //      parameters.put(HttpParameter.PART, HttpPart.HEAP_HISTO.getName());
        //      monitoring(parameters);
    }

    /** Test.
     * @throws ServletException e
     * @throws IOException e */
    @Test
    public void testDoMonitoringWithFormatJson() throws ServletException, IOException {
        final Map<HttpParameter, String> parameters = new HashMap<HttpParameter, String>();
        parameters.put(HttpParameter.FORMAT, TransportFormat.JSON.getCode());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.THREADS.getName());
        monitoring(parameters);
        setProperty(Parameter.SYSTEM_ACTIONS_ENABLED, TRUE);
        parameters.put(HttpParameter.PART, HttpPart.SESSIONS.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.PROCESSES.getName());
        monitoring(parameters);
        TestDatabaseInformations.initJdbcDriverParameters();
        parameters.put(HttpParameter.PART, HttpPart.DATABASE.getName());
        monitoring(parameters);
        parameters.put(HttpParameter.PART, HttpPart.CONNECTIONS.getName());
        monitoring(parameters);
        // il ne faut pas faire un heapHisto sans thread comme dans TestHtmlHeapHistogramReport
        //      parameters.put(HttpParameter.PART, HttpPart.HEAP_HISTO.getName());
        //      monitoring(parameters);
    }

    private void monitoring(Map<HttpParameter, String> parameters) throws IOException, ServletException {
        monitoring(parameters, true);
    }

    private void monitoring(Map<HttpParameter, String> parameters, boolean checkResultContent)
            throws IOException, ServletException {
        final HttpServletRequest request = createNiceMock(HttpServletRequest.class);
        expect(request.getRequestURI()).andReturn("/test/monitoring").anyTimes();
        expect(request.getRequestURL()).andReturn(new StringBuffer("/test/monitoring")).anyTimes();
        expect(request.getContextPath()).andReturn(CONTEXT_PATH).anyTimes();
        expect(request.getRemoteAddr()).andReturn("here").anyTimes();
        final Random random = new Random();
        if (random.nextBoolean()) {
            expect(request.getHeaders("Accept-Encoding"))
                    .andReturn(Collections.enumeration(Arrays.asList("application/gzip"))).anyTimes();
        } else {
            expect(request.getHeaders("Accept-Encoding"))
                    .andReturn(Collections.enumeration(Arrays.asList("text/html"))).anyTimes();
        }
        for (final Map.Entry<HttpParameter, String> entry : parameters.entrySet()) {
            if (HttpParameter.REQUEST == entry.getKey()) {
                expect(request.getHeader(entry.getKey().getName())).andReturn(entry.getValue()).anyTimes();
            } else {
                expect(entry.getKey().getParameterFrom(request)).andReturn(entry.getValue()).anyTimes();
            }
        }
        final Range range = Period.JOUR.getRange();
        final List<JavaInformations> javaInformationsList = Collections
                .singletonList(new JavaInformations(null, false));
        // getAttribute("range") et getAttribute("javaInformationsList") pour PdfController
        expect(request.getAttribute("range")).andReturn(range).anyTimes();
        expect(request.getAttribute("javaInformationsList")).andReturn(javaInformationsList).anyTimes();
        if (parameters.isEmpty() || HttpPart.JNLP.getName().equals(parameters.get(HttpParameter.PART))) {
            // dans au moins un cas on met un cookie
            final Cookie[] cookies = { new Cookie("dummy", "dummy"),
                    new Cookie(PERIOD_COOKIE_NAME, Period.SEMAINE.getCode()), };
            expect(request.getCookies()).andReturn(cookies).anyTimes();
        }
        final HttpServletResponse response = createNiceMock(HttpServletResponse.class);
        final ByteArrayOutputStream output = new ByteArrayOutputStream();
        expect(response.getOutputStream()).andReturn(new FilterServletOutputStream(output)).anyTimes();
        final StringWriter stringWriter = new StringWriter();
        expect(response.getWriter()).andReturn(new PrintWriter(stringWriter)).anyTimes();
        final FilterChain chain = createNiceMock(FilterChain.class);

        replay(request);
        replay(response);
        replay(chain);
        monitoringFilter.doFilter(request, response, chain);
        verify(request);
        verify(response);
        verify(chain);

        if (checkResultContent) {
            assertTrue("result", output.size() != 0 || stringWriter.getBuffer().length() != 0);
        }
    }

    private static void setProperty(Parameter parameter, String value) {
        Utils.setProperty(parameter, value);
    }
}