copy 'springy' branch to heritrix3

commons/src/test/java/org/archive/util/CachedBdbMapTest.java

@@ -0,0 +1,89 @@
+/*
+ *  This file is part of the Heritrix web crawler (crawler.archive.org).
+ *
+ *  Licensed to the Internet Archive (IA) by one or more individual 
+ *  contributors. 
+ *
+ *  The IA 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.archive.util;
+
+import java.io.File;
+import java.util.HashMap;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.apache.commons.io.FileUtils;
+
+/**
+ * @author stack
+ * @version $Date$, $Revision$
+ */
+public class CachedBdbMapTest extends TmpDirTestCase {
+    File envDir; 
+    private CachedBdbMap<String,HashMap<String,String>> cache;
+    
+    @SuppressWarnings("unchecked")
+    protected void setUp() throws Exception {
+        super.setUp();
+        this.envDir = new File(getTmpDir(),"CachedBdbMapTest");
+        this.envDir.mkdirs();
+        this.cache = new CachedBdbMap(this.envDir,
+            this.getClass().getName(), String.class, HashMap.class);
+    }
+    
+    protected void tearDown() throws Exception {
+        this.cache.close();
+        FileUtils.deleteDirectory(this.envDir);
+        super.tearDown();
+    }
+    
+    public void testBackingDbGetsUpdated() {
+        // Enable all logging. Up the level on the handlers and then
+        // on the big map itself.
+        Handler [] handlers = Logger.getLogger("").getHandlers();
+        for (int index = 0; index < handlers.length; index++) {
+            handlers[index].setLevel(Level.FINEST);
+        }
+        Logger.getLogger(CachedBdbMap.class.getName()).
+            setLevel(Level.FINEST);
+        // Set up values.
+        final String value = "value";
+        final String key = "key";
+        final int upperbound = 3;
+        // First put in empty hashmap.
+        for (int i = 0; i < upperbound; i++) {
+            this.cache.put(key + Integer.toString(i), new HashMap<String,String>());
+        }
+        // Now add value to hash map.
+        for (int i = 0; i < upperbound; i++) {
+            HashMap<String,String> m = this.cache.get(key + Integer.toString(i));
+            m.put(key, value);
+        }
+        this.cache.sync();
+        for (int i = 0; i < upperbound; i++) {
+            HashMap<String,String> m = this.cache.get(key + Integer.toString(i));
+            String v = m.get(key);
+            if (v == null || !v.equals(value)) {
+                Logger.getLogger(CachedBdbMap.class.getName()).
+                    warning("Wrong value " + i);
+            }
+        }
+    }
+    
+    public static void main(String [] args) {
+        junit.textui.TestRunner.run(CachedBdbMapTest.class);
+    }
+}