1 /**
2  * Licensed to the Apache Software Foundation (ASF) under one
3  * or more contributor license agreements.  See the NOTICE file
4  * distributed with this work for additional information
5  * regarding copyright ownership.  The ASF licenses this file
6  * to you under the Apache License, Version 2.0 (the
7  * "License"); you may not use this file except in compliance
8  * with the License.  You may obtain a copy of the License at
9  *
10  *     http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.hadoop.fs.shell.find;
19 
20 import java.util.Arrays;
21 import java.util.Collections;
22 import java.util.LinkedList;
23 
24 /** Helper methods for the find expression unit tests. */
25 class TestHelper {
26   /** Adds an argument string to an expression */
addArgument(Expression expr, String arg)27   static void addArgument(Expression expr, String arg) {
28     expr.addArguments(new LinkedList<String>(Collections.singletonList(arg)));
29   }
30 
31   /** Converts a command string into a list of arguments. */
getArgs(String cmd)32   static LinkedList<String> getArgs(String cmd) {
33     return new LinkedList<String>(Arrays.asList(cmd.split(" ")));
34   }
35 }
36