GEODE-2901: Adding integration tests of session replication

Adding integration tests that test both session replications
frameworks shipped with geode. These tests use cargo to download
and launch different J2EE containers, so the tests can run
against many different containers.

This closes apache#584

.gitignore

@@ -14,7 +14,7 @@ build-eclipse/
 /tags
 out/
 
-
+.DS_store
 *.iml
 *.ipr
 *.iws

extensions/geode-modules-tomcat8/src/main/java/org/apache/geode/modules/session/catalina/Tomcat8DeltaSessionManager.java

@@ -14,14 +14,14 @@
  */
 package org.apache.geode.modules.session.catalina;
 
+import java.io.IOException;
+
 import org.apache.catalina.Context;
 import org.apache.catalina.LifecycleException;
 import org.apache.catalina.LifecycleState;
 import org.apache.catalina.Pipeline;
 import org.apache.catalina.session.StandardSession;
 
-import java.io.IOException;
-
 public class Tomcat8DeltaSessionManager extends DeltaSessionManager {
 
   /**

extensions/geode-modules/src/test/java/org/apache/geode/modules/session/CommandServlet.java

@@ -71,6 +71,7 @@ protected void doGet(HttpServletRequest request, HttpServletResponse response)
           out.write(val);
         }
         break;
+
       case INVALIDATE:
         session = request.getSession();
         session.invalidate();

extensions/session-testing-war/build.gradle

@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file 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 "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.
+ */
+apply plugin: 'war'
+
+dependencies {
+    provided 'javax.servlet:javax.servlet-api:' + project.'javax.servlet-api.version'
+}
+
+war {
+    version = ''
+}
+
+disableMavenPublishing()

extensions/session-testing-war/src/main/java/org/apache/geode/modules/session/CommandServlet.java

@@ -0,0 +1,94 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
+ * agreements. See the NOTICE file 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 "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 org.apache.geode.modules.session;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+import javax.servlet.ServletConfig;
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+
+/**
+ *
+ */
+public class CommandServlet extends HttpServlet {
+
+  private ServletContext context;
+
+  /**
+   * The standard servlet method overridden.
+   *
+   * @param request
+   * @param response
+   * @throws IOException
+   */
+  @Override
+  protected void doGet(HttpServletRequest request, HttpServletResponse response)
+      throws IOException, ServletException {
+
+    QueryCommand cmd = QueryCommand.UNKNOWN;
+    String param = request.getParameter("param");
+    String value = request.getParameter("value");
+    PrintWriter out = response.getWriter();
+
+    String cmdStr = request.getParameter("cmd");
+    if (cmdStr != null) {
+      cmd = QueryCommand.valueOf(cmdStr);
+    }
+
+    HttpSession session;
+
+    switch (cmd) {
+      case SET:
+        session = request.getSession();
+        session.setAttribute(param, value);
+        break;
+      case SET_MAX_INACTIVE:
+        session = request.getSession();
+        session.setMaxInactiveInterval(Integer.valueOf(value));
+        break;
+      case GET:
+        session = request.getSession();
+        String val = (String) session.getAttribute(param);
+        if (val != null) {
+          out.write(val);
+        }
+        break;
+      case REMOVE:
+        session = request.getSession();
+        session.removeAttribute(param);
+        break;
+      case INVALIDATE:
+        session = request.getSession();
+        session.invalidate();
+        break;
+    }
+  }
+
+  /**
+   * Save a reference to the ServletContext for later use.
+   *
+   * @param config
+   */
+  @Override
+  public void init(ServletConfig config) {
+    this.context = config.getServletContext();
+  }
+}

extensions/session-testing-war/src/main/java/org/apache/geode/modules/session/QueryCommand.java

@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
+ * agreements. See the NOTICE file 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 "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 org.apache.geode.modules.session;
+
+/**
+ * Basic commands to pass to our test servlet
+ */
+public enum QueryCommand {
+
+  SET,
+
+  SET_MAX_INACTIVE,
+
+  GET,
+
+  REMOVE,
+
+  INVALIDATE,
+
+  UNKNOWN;
+
+}

extensions/session-testing-war/src/main/webapp/WEB-INF/web.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file 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 "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.
+-->
+<web-app xmlns="http://java.sun.com/xml/ns/javaee"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
+         version="3.0"
+         metadata-complete="true">
+
+  <display-name>Geode Test war</display-name>
+
+  <description>
+    Test war file for geode session management
+  </description>
+
+    <servlet>
+    <description>
+      Some test servlet
+    </description>
+    <servlet-name>cmd-servlet</servlet-name>
+    <servlet-class>org.apache.geode.modules.session.CommandServlet</servlet-class>
+  </servlet>
+
+  <servlet-mapping>
+    <servlet-name>cmd-servlet</servlet-name>
+    <url-pattern>/*</url-pattern>
+  </servlet-mapping>
+
+</web-app>

geode-assembly/build.gradle

@@ -74,6 +74,20 @@ dependencies {
   testCompile 'org.apache.httpcomponents:httpclient:' + project.'httpclient.version'
   testCompile 'org.apache.httpcomponents:httpcore:' + project.'httpcore.version'
   testCompile 'com.google.guava:guava:' + project.'guava.version'
+  testCompile 'org.apache.commons:commons-exec:' + project.'commons-exec.version'
+
+  testCompile group: 'org.codehaus.cargo', name: 'cargo-core-uberjar', version: '1.6.3'
+
+  testCompile (project(':extensions/geode-modules')) {
+    // Remove everything related to Tomcat
+    exclude group: 'org.apache.tomcat'
+  }
+  testCompile (project(':extensions/geode-modules-session-internal')) {
+    // Remove everything related to Tomcat
+    exclude group: 'org.apache.tomcat'
+  }
+
+  testCompile project(':extensions/session-testing-war')
 
   testRuntime files("${System.getProperty('java.home')}/../lib/tools.jar")
   testRuntime files("$buildDir/install/${distributions.main.baseName}/lib/geode-dependencies.jar")
@@ -404,6 +418,7 @@ flakyTest dependOnInstalledProduct
 build.dependsOn installDist
 
 installDist.dependsOn ':extensions/geode-modules-assembly:dist'
+distributedTest.dependsOn ':extensions/session-testing-war:war'
 
 /**Print the names of all jar files in a fileTree */
 def printJars(tree) {