| /** |
| * 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.fs; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| import junit.framework.TestCase; |
| |
| public class TestGlobExpander extends TestCase { |
| |
| public void testExpansionIsIdentical() throws IOException { |
| checkExpansionIsIdentical(""); |
| checkExpansionIsIdentical("/}"); |
| checkExpansionIsIdentical("/}{a,b}"); |
| checkExpansionIsIdentical("{/"); |
| checkExpansionIsIdentical("{a}"); |
| checkExpansionIsIdentical("{a,b}/{b,c}"); |
| checkExpansionIsIdentical("p\\{a/b,c/d\\}s"); |
| checkExpansionIsIdentical("p{a\\/b,c\\/d}s"); |
| } |
| |
| public void testExpansion() throws IOException { |
| checkExpansion("{a/b}", "a/b"); |
| checkExpansion("/}{a/b}", "/}a/b"); |
| checkExpansion("p{a/b,c/d}s", "pa/bs", "pc/ds"); |
| checkExpansion("{a/b,c/d,{e,f}}", "a/b", "c/d", "{e,f}"); |
| checkExpansion("{a/b,c/d}{e,f}", "a/b{e,f}", "c/d{e,f}"); |
| checkExpansion("{a,b}/{b,{c/d,e/f}}", "{a,b}/b", "{a,b}/c/d", "{a,b}/e/f"); |
| checkExpansion("{a,b}/{c/\\d}", "{a,b}/c/d"); |
| } |
| |
| private void checkExpansionIsIdentical(String filePattern) throws IOException { |
| checkExpansion(filePattern, filePattern); |
| } |
| |
| private void checkExpansion(String filePattern, String... expectedExpansions) |
| throws IOException { |
| List<String> actualExpansions = GlobExpander.expand(filePattern); |
| assertEquals("Different number of expansions", expectedExpansions.length, |
| actualExpansions.size()); |
| for (int i = 0; i < expectedExpansions.length; i++) { |
| assertEquals("Expansion of " + filePattern, expectedExpansions[i], |
| actualExpansions.get(i)); |
| } |
| } |
| } |