TestGlobExpander.java
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上传日期:2018-01-08
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- /**
- * 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));
- }
- }
- }