/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* 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 com.alibaba.druid.bvt.support.http;
import junit.framework.TestCase;
import org.junit.Assert;
import org.springframework.mock.web.MockFilterChain;
import org.springframework.mock.web.MockFilterConfig;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.mock.web.MockHttpSession;
import org.springframework.mock.web.MockServletContext;
import com.alibaba.druid.support.http.WebStatFilter;
import com.alibaba.druid.support.http.stat.WebAppStat;
public class WebStatFilterTest2 extends TestCase {
public void test_lru() throws Exception {
MockServletContext servletContext = new MockServletContext();
MockFilterConfig filterConfig = new MockFilterConfig(servletContext);
filterConfig.addInitParameter(WebStatFilter.PARAM_NAME_SESSION_STAT_MAX_COUNT, "3");
WebStatFilter filter = new WebStatFilter();
filter.init(filterConfig);
WebAppStat appStat = filter.getWebAppStat();
Assert.assertEquals(3, filter.getSessionStatMaxCount());
Assert.assertEquals(0, appStat.getSessionStatDataList().size());
final MockHttpSession session_0 = new MockHttpSession(servletContext);
final MockHttpSession session_1 = new MockHttpSession(servletContext);
final MockHttpSession session_2 = new MockHttpSession(servletContext);
final MockHttpSession session_3 = new MockHttpSession(servletContext);
final MockHttpSession session_4 = new MockHttpSession(servletContext);
// 第一个session请求2次
{
Assert.assertNull(appStat.getSessionStat(session_0.getId()));
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_0);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(1, appStat.getSessionStatDataList().size());
Assert.assertEquals(1, appStat.getSessionStat(session_0.getId()).getRequestCount());
Assert.assertTrue(appStat.getSessionStat(session_0.getId()).getLastAccessTimeMillis() > 0);
}
{
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_0);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(1, appStat.getSessionStatDataList().size());
Assert.assertEquals(2, appStat.getSessionStat(session_0.getId()).getRequestCount());
}
// 第2个sesion请求1次
{
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_1);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(2, appStat.getSessionStatDataList().size());
Assert.assertEquals(2, appStat.getSessionStat(session_0.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_1.getId()).getRequestCount());
}
// 第3个sesion请求1次
{
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_2);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(3, appStat.getSessionStatDataList().size());
Assert.assertEquals(2, appStat.getSessionStat(session_0.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_1.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_2.getId()).getRequestCount());
}
// 第4个sesion请求1次
{
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_3);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(3, appStat.getSessionStatDataList().size());
Assert.assertNull(appStat.getSessionStat(session_0.getId()));
Assert.assertEquals(1, appStat.getSessionStat(session_1.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_2.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_3.getId()).getRequestCount());
}
// 第5个sesion请求1次
{
MockHttpServletRequest request = new MockHttpServletRequest();
MockHttpServletResponse response = new MockHttpServletResponse();
MockFilterChain chain = new MockFilterChain() {
public void doFilter(javax.servlet.ServletRequest request, javax.servlet.ServletResponse response) {
((MockHttpServletRequest) request).setSession(session_4);
};
};
filter.doFilter(request, response, chain);
Assert.assertEquals(3, appStat.getSessionStatDataList().size());
Assert.assertNull(appStat.getSessionStat(session_0.getId()));
Assert.assertNull(appStat.getSessionStat(session_1.getId()));
Assert.assertEquals(1, appStat.getSessionStat(session_2.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_3.getId()).getRequestCount());
Assert.assertEquals(1, appStat.getSessionStat(session_4.getId()).getRequestCount());
}
}
}