public void ReadMixedlines4()
{
using (var tester = new OptimisticLockedTextFileTester(Line + WindowsLine))
{
tester.AssertLines(Line + WindowsLine);
}
}
public void ReadWindowsLine()
{
using (var tester = new OptimisticLockedTextFileTester(WindowsLine))
{
tester.AssertLines(WindowsLine);
}
}
public void ReadUnixLine()
{
using (var tester = new OptimisticLockedTextFileTester(UnixLine))
{
tester.AssertLines(UnixLine);
}
}
public void ReadMixedNewLines2()
{
using (var tester = new OptimisticLockedTextFileTester(UnixNewLine + WindowsNewLine))
{
tester.AssertLines(UnixNewLine, WindowsNewLine);
}
}
public void ReadUnixLine()
{
using (var tester = new OptimisticLockedTextFileTester(UnixLine))
{
tester.AssertLines(UnixLine);
}
}
public void PersistLine()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(Line, Line);
}
}
public void PersistAddsLineEnding()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(Line + Environment.NewLine + Line, Line, Line);
}
}
public void ReadWindowsNewLine()
{
using (var tester = new OptimisticLockedTextFileTester(WindowsNewLine))
{
tester.AssertLines(WindowsNewLine);
}
}
public void ReadMixedNewLines2()
{
using (var tester = new OptimisticLockedTextFileTester(UnixNewLine + WindowsNewLine))
{
tester.AssertLines(UnixNewLine, WindowsNewLine);
}
}
public void PersistEmpty()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.TextFile.Persist();
tester.AssertFileContents(String.Empty);
}
}
public void PersistTwice()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(WindowsLine, WindowsLine);
tester.AssertPersist(WindowsLine + WindowsLine, WindowsLine);
}
}
public void ProperTruncation()
{
using (var tester = new OptimisticLockedTextFileTester())
{
tester.AssertPersist(UnixLine + UnixLine, UnixLine, UnixLine);
tester.TextFile.Lines.RemoveAt(0);
tester.TextFile.Persist();
tester.AssertFileContents(UnixLine);
}
}
public void FileLockedByAnotherProcess()
{
using (var tester = new OptimisticLockedTextFileTester())
{
tester.TextFile.Lines.Add(Line);
using (var streamWriter = File.AppendText(tester.TextFile.FilePath))
{
AssertExtensions.ExpectException(() =>
{
tester.TextFile.Persist();
}, typeof(IOException), string.Format(FileLockedMessageFormat, tester.TextFile.FilePath));
}
}
}
public void FileChanged()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.TextFile.Lines.Add(Line);
using (var streamWriter = File.AppendText(tester.TextFile.FilePath))
{
streamWriter.Write("changed");
}
AssertExtensions.ExpectException(() =>
{
tester.TextFile.Persist();
}, typeof(IOException), string.Format(FileChangedMessageFormat, tester.TextFile.FilePath));
}
}
/// <summary>
/// This test needs to be run manually since it relies on a race condition and a manual code change.
/// It's been run as part of development but it won't be run in the normal build process.
///
/// This test makes sure that the OptimisticLockedTextFile.Persist() method locks the file properly while it's being written.
/// To run this test:
/// 1. temporarily add System.Threading.Thread.Sleep(5000); to OptimisticLockedTextFile.Persist() just after the file is opened
/// 2. uncomment the [TestMethod] attribute on this method
/// 3. run the test
/// 4. REVERT YOUR CHANGES FROM STEPS 1 AND 2
/// </summary>
//[TestMethod]
public void FileLockedByThisProcess()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
// start the persist thread
Thread thread = new Thread(new ThreadStart(() => { tester.TextFile.Persist(); }));
thread.Start();
// give it time to open the file
Thread.Sleep(2000);
// try something that requires minimal access to the file and make sure the correct exception is thrown
AssertExtensions.ExpectException(() =>
{
using (File.Open(tester.TextFile.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
}
}, typeof(IOException), string.Format(FileLockedMessageFormat, tester.TextFile.FilePath));
// wait for the persist to complete
thread.Join();
}
}
public void PersistEmpty()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.TextFile.Persist();
tester.AssertFileContents(String.Empty);
}
}
public void PersistTwice()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(WindowsLine, WindowsLine);
tester.AssertPersist(WindowsLine + WindowsLine, WindowsLine);
}
}
public void ProperTruncation()
{
using (var tester = new OptimisticLockedTextFileTester())
{
tester.AssertPersist(UnixLine + UnixLine, UnixLine, UnixLine);
tester.TextFile.Lines.RemoveAt(0);
tester.TextFile.Persist();
tester.AssertFileContents(UnixLine);
}
}
public void PersistAddsLineEnding()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(Line + Environment.NewLine + Line, Line, Line);
}
}
public void FileChanged()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.TextFile.Lines.Add(Line);
using (var streamWriter = File.AppendText(tester.TextFile.FilePath))
{
streamWriter.Write("changed");
}
AssertExtensions.ExpectException(() =>
{
tester.TextFile.Persist();
}, typeof(IOException), string.Format(FileChangedMessageFormat, tester.TextFile.FilePath));
}
}
public void FileLockedByAnotherProcess()
{
using (var tester = new OptimisticLockedTextFileTester())
{
tester.TextFile.Lines.Add(Line);
using (var streamWriter = File.AppendText(tester.TextFile.FilePath))
{
AssertExtensions.ExpectException(() =>
{
tester.TextFile.Persist();
}, typeof(IOException), string.Format(FileLockedMessageFormat, tester.TextFile.FilePath));
}
}
}
/// <summary>
/// This test needs to be run manually since it relies on a race condition and a manual code change.
/// It's been run as part of development but it won't be run in the normal build process.
///
/// This test makes sure that the OptimisticLockedTextFile.Persist() method locks the file properly while it's being written.
/// To run this test:
/// 1. temporarily add System.Threading.Thread.Sleep(5000); to OptimisticLockedTextFile.Persist() just after the file is opened
/// 2. uncomment the [TestMethod] attribute on this method
/// 3. run the test
/// 4. REVERT YOUR CHANGES FROM STEPS 1 AND 2
/// </summary>
//[TestMethod]
public void FileLockedByThisProcess()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
// start the persist thread
Thread thread = new Thread(new ThreadStart(() => { tester.TextFile.Persist(); }));
thread.Start();
// give it time to open the file
Thread.Sleep(2000);
// try something that requires minimal access to the file and make sure the correct exception is thrown
AssertExtensions.ExpectException(() =>
{
using (File.Open(tester.TextFile.FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
}
}, typeof(IOException), string.Format(FileLockedMessageFormat, tester.TextFile.FilePath));
// wait for the persist to complete
thread.Join();
}
}
public void ReadMixedlines4()
{
using (var tester = new OptimisticLockedTextFileTester(Line + WindowsLine))
{
tester.AssertLines(Line + WindowsLine);
}
}
public void PersistLine()
{
using (var tester = new OptimisticLockedTextFileTester(true))
{
tester.AssertPersist(Line, Line);
}
}
