source: trunk/java-utils-test/src/test/java/de/ugoe/cs/util/FileToolsTest.java @ 1867

Last change on this file since 1867 was 1451, checked in by sherbold, 11 years ago
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1//   Copyright 2012 Georg-August-Universität Göttingen, Germany
2//
3//   Licensed under the Apache License, Version 2.0 (the "License");
4//   you may not use this file except in compliance with the License.
5//   You may obtain a copy of the License at
6//
7//       http://www.apache.org/licenses/LICENSE-2.0
8//
9//   Unless required by applicable law or agreed to in writing, software
10//   distributed under the License is distributed on an "AS IS" BASIS,
11//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//   See the License for the specific language governing permissions and
13//   limitations under the License.
14
15package de.ugoe.cs.util;
16
17import java.io.File;
18
19import junitx.framework.FileAssert;
20
21import org.junit.*;
22
23import static org.junit.Assert.*;
24
25/**
26 * The class <code>FileToolsTest</code> contains tests for the class
27 * <code>{@link FileTools}</code>.
28 *
29 * @author Steffen Herbold
30 * @version 1.0
31 */
32public class FileToolsTest {
33
34        final static String filenameNoCR = "testdata/de.ugoe.cs.util.FileToolsTest/testdata-nocr.txt";
35        final static String filenameCR = "testdata/de.ugoe.cs.util.FileToolsTest/testdata-cr.txt";
36        final static String filenameNotExists = "testdata/de.ugoe.cs.util.FileToolsTest/doesnotexist.txt";
37
38        final static String[] expectedLines = { "line1", "line2", "line3", "",
39                        "line5" };
40
41        final static String[] expectedLinesCR = { "line1\r", "line2\r", "line3\r",
42                        "\r", "line5" };
43
44        final static String[] expectedWrongCR = { "line1\nline2\nline3\n\nline5" };
45
46        @Test
47        public void testGetLinesFromFile_1() throws Exception {
48                String[] result = FileTools.getLinesFromFile(filenameCR, true);
49                assertArrayEquals(expectedLines, result);
50        }
51
52        @Test
53        public void testGetLinesFromFile_2() throws Exception {
54                String[] result = FileTools.getLinesFromFile(filenameNoCR, true);
55                assertArrayEquals(expectedWrongCR, result);
56        }
57
58        @Test
59        public void testGetLinesFromFile_3() throws Exception {
60                String[] result = FileTools.getLinesFromFile(filenameNoCR, false);
61                assertArrayEquals(expectedLines, result);
62        }
63
64        @Test
65        public void testGetLinesFromFile_4() throws Exception {
66                String[] result = FileTools.getLinesFromFile(filenameCR, false);
67                assertArrayEquals(expectedLinesCR, result);
68        }
69
70        @Test(expected = java.io.FileNotFoundException.class)
71        public void testGetLinesFromFile_5() throws Exception {
72                FileTools.getLinesFromFile(filenameNotExists, true);
73        }
74
75        @Test(expected = java.io.FileNotFoundException.class)
76        public void testGetLinesFromFile_6() throws Exception {
77                FileTools.getLinesFromFile(filenameNotExists, false);
78        }
79       
80        @Test
81        public void testWriteArrayToFile_1() throws Exception {
82            String[] array = new String[]{"foo", "bar"};
83            String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_01.txt";
84            String separator = "";
85            boolean lineBreak = false;
86           
87            // cleanup old result
88            new File(filename).delete();
89           
90            FileTools.writeArrayToFile(array, filename, separator, lineBreak);
91           
92            FileAssert.assertEquals(new File("testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_01.txt"), new File(filename));
93           
94            // cleanup after successful test
95            new File(filename).delete();
96        }
97       
98        @Test
99        public void testWriteArrayToFile_2() throws Exception {
100            String[] array = new String[]{"foo", "bar"};
101            String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_02.txt";
102            String separator = " - ";
103            boolean lineBreak = false;
104           
105            // cleanup old result
106            new File(filename).delete();
107           
108            FileTools.writeArrayToFile(array, filename, separator, lineBreak);
109           
110            FileAssert.assertEquals(new File("testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_02.txt"), new File(filename));
111           
112            // cleanup after successful test
113            new File(filename).delete();
114        }
115       
116        @Test
117        public void testWriteArrayToFile_3() throws Exception {
118            String[] array = new String[]{"foo", "bar"};
119            String filename = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-actual_03.txt";
120            String separator = "";
121            boolean lineBreak = true;
122           
123            // cleanup old result
124            new File(filename).delete();
125           
126            FileTools.writeArrayToFile(array, filename, separator, lineBreak);
127           
128            String expectedFile;
129            if( System.getProperty("line.separator").equals("\r\n") ) {
130                expectedFile = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_cr.txt";
131            } else {
132                expectedFile = "testdata/de.ugoe.cs.util.FileToolsTest/writeArrayToFile-expected_03_nocr.txt";
133            }
134           
135            FileAssert.assertEquals(new File(expectedFile), new File(filename));
136           
137            // cleanup after successful test
138            new File(filename).delete();
139        }
140
141        public static void main(String[] args) {
142                new org.junit.runner.JUnitCore().run(FileToolsTest.class);
143        }
144}
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