001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase;
019
020import org.junit.rules.TestWatcher;
021import org.junit.runner.Description;
022
023/**
024 * Returns a {@code TableName} based on currently running test method name. Supports tests built on
025 * the {@link org.junit.runners.Parameterized} runner.
026 */
027public class TableNameTestRule extends TestWatcher {
028
029  private TableName tableName;
030
031  @Override
032  protected void starting(Description description) {
033    tableName = TableName.valueOf(cleanUpTestName(description.getMethodName()));
034  }
035
036  /**
037   * Helper to handle parameterized method names. Unlike regular test methods, parameterized method
038   * names look like 'foo[x]'. This is problematic for tests that use this name for HBase tables.
039   * This helper strips out the parameter suffixes.
040   * @return current test method name with out parameterized suffixes.
041   */
042  public static String cleanUpTestName(String methodName) {
043    int index = methodName.indexOf('[');
044    if (index == -1) {
045      return methodName;
046    }
047    return methodName.substring(0, index);
048  }
049
050  public TableName getTableName() {
051    return tableName;
052  }
053}