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 | |
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19 | package org.apache.hadoop.fs; |
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20 | |
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21 | import java.util.*; |
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22 | import junit.framework.TestCase; |
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23 | |
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24 | public class TestPath extends TestCase { |
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25 | public void testToString() { |
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26 | toStringTest("/"); |
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27 | toStringTest("/foo"); |
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28 | toStringTest("/foo/bar"); |
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29 | toStringTest("foo"); |
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30 | toStringTest("foo/bar"); |
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31 | boolean emptyException = false; |
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32 | try { |
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33 | toStringTest(""); |
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34 | } catch (IllegalArgumentException e) { |
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35 | // expect to receive an IllegalArgumentException |
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36 | emptyException = true; |
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37 | } |
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38 | assertTrue(emptyException); |
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39 | if (Path.WINDOWS) { |
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40 | toStringTest("c:"); |
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41 | toStringTest("c:/"); |
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42 | toStringTest("c:foo"); |
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43 | toStringTest("c:foo/bar"); |
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44 | toStringTest("c:foo/bar"); |
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45 | toStringTest("c:/foo/bar"); |
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46 | } |
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47 | } |
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48 | |
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49 | private void toStringTest(String pathString) { |
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50 | assertEquals(pathString, new Path(pathString).toString()); |
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51 | } |
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52 | |
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53 | public void testNormalize() { |
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54 | assertEquals("/", new Path("//").toString()); |
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55 | assertEquals("/foo", new Path("/foo/").toString()); |
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56 | assertEquals("/foo", new Path("/foo/").toString()); |
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57 | assertEquals("foo", new Path("foo/").toString()); |
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58 | assertEquals("foo", new Path("foo//").toString()); |
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59 | assertEquals("foo/bar", new Path("foo//bar").toString()); |
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60 | if (Path.WINDOWS) { |
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61 | assertEquals("c:/a/b", new Path("c:\\a\\b").toString()); |
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62 | } |
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63 | } |
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64 | |
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65 | public void testIsAbsolute() { |
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66 | assertTrue(new Path("/").isAbsolute()); |
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67 | assertTrue(new Path("/foo").isAbsolute()); |
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68 | assertFalse(new Path("foo").isAbsolute()); |
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69 | assertFalse(new Path("foo/bar").isAbsolute()); |
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70 | assertFalse(new Path(".").isAbsolute()); |
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71 | if (Path.WINDOWS) { |
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72 | assertTrue(new Path("c:/a/b").isAbsolute()); |
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73 | assertFalse(new Path("c:a/b").isAbsolute()); |
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74 | } |
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75 | } |
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76 | |
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77 | public void testParent() { |
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78 | assertEquals(new Path("/foo"), new Path("/foo/bar").getParent()); |
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79 | assertEquals(new Path("foo"), new Path("foo/bar").getParent()); |
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80 | assertEquals(new Path("/"), new Path("/foo").getParent()); |
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81 | if (Path.WINDOWS) { |
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82 | assertEquals(new Path("c:/"), new Path("c:/foo").getParent()); |
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83 | } |
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84 | } |
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85 | |
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86 | public void testChild() { |
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87 | assertEquals(new Path("."), new Path(".", ".")); |
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88 | assertEquals(new Path("/"), new Path("/", ".")); |
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89 | assertEquals(new Path("/"), new Path(".", "/")); |
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90 | assertEquals(new Path("/foo"), new Path("/", "foo")); |
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91 | assertEquals(new Path("/foo/bar"), new Path("/foo", "bar")); |
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92 | assertEquals(new Path("/foo/bar/baz"), new Path("/foo/bar", "baz")); |
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93 | assertEquals(new Path("/foo/bar/baz"), new Path("/foo", "bar/baz")); |
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94 | assertEquals(new Path("foo"), new Path(".", "foo")); |
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95 | assertEquals(new Path("foo/bar"), new Path("foo", "bar")); |
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96 | assertEquals(new Path("foo/bar/baz"), new Path("foo", "bar/baz")); |
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97 | assertEquals(new Path("foo/bar/baz"), new Path("foo/bar", "baz")); |
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98 | assertEquals(new Path("/foo"), new Path("/bar", "/foo")); |
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99 | if (Path.WINDOWS) { |
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100 | assertEquals(new Path("c:/foo"), new Path("/bar", "c:/foo")); |
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101 | assertEquals(new Path("c:/foo"), new Path("d:/bar", "c:/foo")); |
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102 | } |
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103 | } |
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104 | |
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105 | public void testEquals() { |
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106 | assertFalse(new Path("/").equals(new Path("/foo"))); |
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107 | } |
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108 | |
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109 | public void testDots() { |
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110 | // Test Path(String) |
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111 | assertEquals(new Path("/foo/bar/baz").toString(), "/foo/bar/baz"); |
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112 | assertEquals(new Path("/foo/bar", ".").toString(), "/foo/bar"); |
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113 | assertEquals(new Path("/foo/bar/../baz").toString(), "/foo/baz"); |
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114 | assertEquals(new Path("/foo/bar/./baz").toString(), "/foo/bar/baz"); |
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115 | assertEquals(new Path("/foo/bar/baz/../../fud").toString(), "/foo/fud"); |
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116 | assertEquals(new Path("/foo/bar/baz/.././../fud").toString(), "/foo/fud"); |
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117 | assertEquals(new Path("../../foo/bar").toString(), "../../foo/bar"); |
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118 | assertEquals(new Path(".././../foo/bar").toString(), "../../foo/bar"); |
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119 | assertEquals(new Path("./foo/bar/baz").toString(), "foo/bar/baz"); |
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120 | assertEquals(new Path("/foo/bar/../../baz/boo").toString(), "/baz/boo"); |
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121 | assertEquals(new Path("foo/bar/").toString(), "foo/bar"); |
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122 | assertEquals(new Path("foo/bar/../baz").toString(), "foo/baz"); |
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123 | assertEquals(new Path("foo/bar/../../baz/boo").toString(), "baz/boo"); |
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124 | |
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125 | |
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126 | // Test Path(Path,Path) |
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127 | assertEquals(new Path("/foo/bar", "baz/boo").toString(), "/foo/bar/baz/boo"); |
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128 | assertEquals(new Path("foo/bar/","baz/bud").toString(), "foo/bar/baz/bud"); |
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129 | |
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130 | assertEquals(new Path("/foo/bar","../../boo/bud").toString(), "/boo/bud"); |
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131 | assertEquals(new Path("foo/bar","../../boo/bud").toString(), "boo/bud"); |
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132 | assertEquals(new Path(".","boo/bud").toString(), "boo/bud"); |
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133 | |
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134 | assertEquals(new Path("/foo/bar/baz","../../boo/bud").toString(), "/foo/boo/bud"); |
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135 | assertEquals(new Path("foo/bar/baz","../../boo/bud").toString(), "foo/boo/bud"); |
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136 | |
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137 | |
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138 | assertEquals(new Path("../../","../../boo/bud").toString(), "../../../../boo/bud"); |
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139 | assertEquals(new Path("../../foo","../../../boo/bud").toString(), "../../../../boo/bud"); |
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140 | assertEquals(new Path("../../foo/bar","../boo/bud").toString(), "../../foo/boo/bud"); |
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141 | |
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142 | assertEquals(new Path("foo/bar/baz","../../..").toString(), ""); |
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143 | assertEquals(new Path("foo/bar/baz","../../../../..").toString(), "../.."); |
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144 | } |
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145 | |
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146 | public void testScheme() throws java.io.IOException { |
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147 | assertEquals("foo:/bar", new Path("foo:/","/bar").toString()); |
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148 | assertEquals("foo://bar/baz", new Path("foo://bar/","/baz").toString()); |
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149 | } |
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150 | |
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151 | |
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152 | } |
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