src/test/java/eu/svjatoslav/commons/file/IOHelperTest.java

   1 /*
   2  * Svjatoslav Commons - shared library of common functionality.
   3  * Copyright ©2012-2019, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of version 3 of the GNU Lesser General Public License
   7  * or later as published by the Free Software Foundation.
   8  */
   9
  10 package eu.svjatoslav.commons.file;
  11
  12 import org.junit.Assert;
  13 import org.junit.Test;
  14
  15 import java.io.File;
  16 import java.io.IOException;
  17
  18 public class IOHelperTest {
  19
  20     public static final String UTF_8 = "UTF-8";
  21
  22     @Test
  23     public void testOverwriteFileIfContentDiffers() throws IOException {
  24         final File file = new File("overrideTest.txt");
  25
  26         Assert.assertTrue(IOHelper.overwriteFileIfContentDiffers(file,
  27                 "aoa".getBytes(UTF_8)));
  28
  29         Assert.assertFalse(IOHelper.overwriteFileIfContentDiffers(file,
  30                 "aoa".getBytes(UTF_8)));
  31
  32         Assert.assertTrue(IOHelper.overwriteFileIfContentDiffers(file,
  33                 "1234".getBytes(UTF_8)));
  34
  35         file.delete();
  36     }
  37
  38 }