HBASE-8740 Generate unique table names in TestAccessController

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1493311 13f79535-47bb-0310-9956-ffa450edef68

hbase-server/src/test/java/org/apache/hadoop/hbase/util/TableName.java

@@ -0,0 +1,40 @@
+/**
+ * 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.hadoop.hbase.util;
+
+import org.junit.rules.TestWatcher;
+import org.junit.runner.Description;
+
+/**
+ * Returns a {@code byte[]} containing the name of the currently running test method.
+ */
+public class TableName extends TestWatcher {
+  private byte[] tableName;
+
+  /**
+   * Invoked when a test is about to start
+   */
+  @Override
+  protected void starting(Description description) {
+    tableName = Bytes.toBytes(description.getMethodName());
+  }
+
+  public byte[] getTableName() {
+    return tableName;
+  }
+}