1 | /** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one |
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3 | * or more contributor license agreements. See the NOTICE file |
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4 | * distributed with this work for additional information |
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5 | * regarding copyright ownership. The ASF licenses this file |
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6 | * to you under the Apache License, Version 2.0 (the |
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7 | * "License"); you may not use this file except in compliance |
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8 | * with the License. You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | package org.apache.hadoop.fs; |
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19 | |
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20 | import java.io.IOException; |
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21 | import java.util.List; |
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22 | |
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23 | import junit.framework.TestCase; |
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24 | |
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25 | public class TestGlobExpander extends TestCase { |
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26 | |
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27 | public void testExpansionIsIdentical() throws IOException { |
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28 | checkExpansionIsIdentical(""); |
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29 | checkExpansionIsIdentical("/}"); |
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30 | checkExpansionIsIdentical("/}{a,b}"); |
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31 | checkExpansionIsIdentical("{/"); |
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32 | checkExpansionIsIdentical("{a}"); |
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33 | checkExpansionIsIdentical("{a,b}/{b,c}"); |
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34 | checkExpansionIsIdentical("p\\{a/b,c/d\\}s"); |
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35 | checkExpansionIsIdentical("p{a\\/b,c\\/d}s"); |
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36 | } |
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37 | |
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38 | public void testExpansion() throws IOException { |
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39 | checkExpansion("{a/b}", "a/b"); |
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40 | checkExpansion("/}{a/b}", "/}a/b"); |
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41 | checkExpansion("p{a/b,c/d}s", "pa/bs", "pc/ds"); |
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42 | checkExpansion("{a/b,c/d,{e,f}}", "a/b", "c/d", "{e,f}"); |
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43 | checkExpansion("{a/b,c/d}{e,f}", "a/b{e,f}", "c/d{e,f}"); |
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44 | checkExpansion("{a,b}/{b,{c/d,e/f}}", "{a,b}/b", "{a,b}/c/d", "{a,b}/e/f"); |
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45 | checkExpansion("{a,b}/{c/\\d}", "{a,b}/c/d"); |
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46 | } |
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47 | |
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48 | private void checkExpansionIsIdentical(String filePattern) throws IOException { |
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49 | checkExpansion(filePattern, filePattern); |
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50 | } |
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51 | |
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52 | private void checkExpansion(String filePattern, String... expectedExpansions) |
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53 | throws IOException { |
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54 | List<String> actualExpansions = GlobExpander.expand(filePattern); |
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55 | assertEquals("Different number of expansions", expectedExpansions.length, |
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56 | actualExpansions.size()); |
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57 | for (int i = 0; i < expectedExpansions.length; i++) { |
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58 | assertEquals("Expansion of " + filePattern, expectedExpansions[i], |
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59 | actualExpansions.get(i)); |
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60 | } |
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61 | } |
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62 | } |
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