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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+package org.apache.hadoop.dfs;
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+
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+import java.io.*;
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+
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+import org.apache.hadoop.conf.Configuration;
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+import org.apache.hadoop.fs.FileSystem;
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+import org.apache.hadoop.fs.Path;
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+
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+public class TestLease extends junit.framework.TestCase {
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+ static boolean hasLease(MiniDFSCluster cluster, Path src) {
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+ return cluster.getNameNode().namesystem.leaseManager.getLeaseByPath(src.toString()) != null;
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+ }
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+
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+ final Path dir = new Path("/test/lease/");
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+
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+ public void testLease() throws Exception {
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+ Configuration conf = new Configuration();
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+ MiniDFSCluster cluster = new MiniDFSCluster(conf, 2, true, null);
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+ try {
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+ FileSystem fs = cluster.getFileSystem();
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+ assertTrue(fs.mkdirs(dir));
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+
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+ Path a = new Path(dir, "a");
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+ Path b = new Path(dir, "b");
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+
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+ DataOutputStream a_out = fs.create(a);
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+ a_out.writeBytes("something");
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+
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+ assertTrue(hasLease(cluster, a));
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+ assertTrue(!hasLease(cluster, b));
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+
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+ DataOutputStream b_out = fs.create(b);
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+ b_out.writeBytes("something");
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+
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+ assertTrue(hasLease(cluster, a));
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+ assertTrue(hasLease(cluster, b));
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+
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+ a_out.close();
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+ b_out.close();
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+
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+ assertTrue(!hasLease(cluster, a));
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+ assertTrue(!hasLease(cluster, b));
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+
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+ fs.delete(dir, true);
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+ } finally {
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+ if (cluster != null) {cluster.shutdown();}
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+ }
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+ }
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+}
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