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2008 Advent Calendar December 24th

 

   1:      namespace Advent24
   2:      {
   3:          public class FileUtil_Tests
   4:          {
   5:              public FileUtilWithDelete Given_A_Readable_File(string content)
   6:              {
   7:                  FileUtilWithDelete file = new FileUtilWithDelete("SomeFile.txt");
   8:                  file.Create(content);
   9:                  return file;
  10:              }
  11:          }
  12:   
  13:          public class FileUtil_Tests_With_Readable_File : FileUtil_Tests
  14:          {
  15:              [Fact]
  16:              public void Reading_A_Readable_File_Returns_File_Content()
  17:              {
  18:                  using (FileUtilWithDelete file = Given_A_Readable_File("CONTENT"))
  19:                  {
  20:                      string content = file.Read();
  21:                      Assert.Equal<string>("CONTENT", content);
  22:                  }
  23:              }
  24:          }
  25:   
  26:          public class FileUtil_Tests_With_Unreadable_File : FileUtil_Tests
  27:          {
  28:              private FileUtilWithDelete Given_An_Unreadable_File()
  29:              {
  30:                  FileUtilWithDelete file = Given_A_Readable_File("SHOULD NOT BE ABLE TO READ THIS");
  31:                  file.Readable = false;
  32:                  return file;
  33:              }
  34:   
  35:              [Fact]
  36:              public void Reading_An_Unreadable_File_Throws_Correct_Exception()
  37:              {
  38:                  using (FileUtilWithDelete file = Given_An_Unreadable_File())
  39:                  {
  40:                      Assert.Throws<AccessViolationException>(() => { file.Read(); });
  41:                  }
  42:              }
  43:          }
  44:      }

This is the final version of this test. Tomorrow you'll get my final thoughts on this advent calendar.