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.
025 */
026public class TableNameTestRule extends TestWatcher {
027
028  private TableName tableName;
029
030  @Override
031  protected void starting(Description description) {
032    tableName = TableName.valueOf(cleanUpTestName(description.getMethodName()));
033  }
034
035  /**
036   * Helper to handle parameterized method names. Unlike regular test methods, parameterized method
037   * names look like 'foo[x]'. This is problematic for tests that use this name for HBase tables.
038   * This helper strips out the parameter suffixes.
039   * @return current test method name with out parameterized suffixes.
040   */
041  private static String cleanUpTestName(String methodName) {
042    int index = methodName.indexOf('[');
043    if (index == -1) {
044      return methodName;
045    }
046    return methodName.substring(0, index);
047  }
048
049  public TableName getTableName() {
050    return tableName;
051  }
052}