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test/org/apache/tomcat/websocket/WebSocketBaseTest.java

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+/*
+ *  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.tomcat.websocket;
+
+import org.junit.After;
+import org.junit.Assert;
+
+import org.apache.catalina.Context;
+import org.apache.catalina.LifecycleException;
+import org.apache.catalina.servlets.DefaultServlet;
+import org.apache.catalina.startup.Tomcat;
+import org.apache.catalina.startup.TomcatBaseTest;
+import org.apache.tomcat.websocket.server.WsContextListener;
+
+public abstract class WebSocketBaseTest extends TomcatBaseTest {
+
+    protected Tomcat startServer(
+            final Class<? extends WsContextListener> configClass)
+            throws LifecycleException {
+
+        Tomcat tomcat = getTomcatInstance();
+        // No file system docBase required
+        Context ctx = tomcat.addContext("", null);
+        ctx.addApplicationListener(configClass.getName());
+        Tomcat.addServlet(ctx, "default", new DefaultServlet());
+        ctx.addServletMappingDecoded("/", "default");
+
+        tomcat.start();
+        return tomcat;
+    }
+
+
+    @After
+    public void checkBackgroundProcessHasStopped() throws Exception {
+        // Need to stop Tomcat to ensure background processed have been stopped.
+        getTomcatInstance().stop();
+
+        // Make sure the background process has stopped. In some test
+        // environments it will continue to run and break other tests that check
+        // it has stopped.
+        int count = 0;
+        // 5s should be plenty here but Gump can be a lot slower so allow 60s.
+        while (count < 600) {
+            if (BackgroundProcessManager.getInstance().getProcessCount() == 0) {
+                break;
+            }
+            Thread.sleep(100);
+            count++;
+        }
+
+        try {
+            Assert.assertEquals(0, BackgroundProcessManager.getInstance().getProcessCount());
+        } finally {
+            // Ensure the next test is not affected
+            BackgroundProcessManager.getInstance().shutdown();
+        }
+    }
+}