public void ClientFilesTask_Safe_File_Move()
{
CleanClientFilesTask task = new CleanClientFilesTask();
MockBuildEngine mockBuildEngine = new MockBuildEngine();
task.BuildEngine = mockBuildEngine;
string tempFolder = CodeGenHelper.GenerateTempFolder();
try
{
// Do a simple move
string file1 = Path.Combine(tempFolder, "File1.txt");
string file2 = Path.Combine(tempFolder, "File2.txt");
File.AppendAllText(file1, "stuff");
bool success = task.SafeFileMove(file1, file2);
Assert.IsTrue(success, "SafeFileMove reported failure");
Assert.IsTrue(File.Exists(file2), "File2 did not get created");
Assert.IsFalse(File.Exists(file1), "File1 still exists after move");
string content = File.ReadAllText(file2);
Assert.AreEqual("stuff", content, "File2 did not get right content");
string errorMessage = String.Empty;
// Finally, try a clearly illegal move and catch the error
using (FileStream fs = new FileStream(file2, FileMode.Open, FileAccess.Read, FileShare.None))
{
try
{
File.Move(file2, file1);
}
catch (IOException iox)
{
errorMessage = iox.Message;
}
success = task.SafeFileMove(file2, file1);
}
Assert.IsFalse(success, "Expected illegal move to report failure");
string expectedWarning = string.Format(CultureInfo.CurrentCulture, Resource.Failed_To_Rename_File, file2, file1, errorMessage);
TestHelper.AssertContainsWarnings(mockBuildEngine.ConsoleLogger, expectedWarning);
}
finally
{
CodeGenHelper.DeleteTempFolder(tempFolder);
}
}