public void ClientFilesTask_Safe_File_Copy()
{
CleanClientFilesTask task = new CleanClientFilesTask();
MockBuildEngine mockBuildEngine = new MockBuildEngine();
task.BuildEngine = mockBuildEngine;
string tempFolder = CodeGenHelper.GenerateTempFolder();
try
{
// Do a simple copy with no special handling for attributes
string file1 = Path.Combine(tempFolder, "File1.txt");
string file2 = Path.Combine(tempFolder, "File2.txt");
File.AppendAllText(file1, "stuff");
bool success = task.SafeFileCopy(file1, file2, /*isProjectFile*/ false);
Assert.IsTrue(success, "SafeFileCopy reported failure");
Assert.IsTrue(File.Exists(file2), "File2 did not get created");
string content = File.ReadAllText(file2);
Assert.AreEqual("stuff", content, "File2 did not get right content");
FileAttributes fa = File.GetAttributes(file2);
Assert.AreEqual(0, (int)(fa & FileAttributes.ReadOnly), "Expected RO bit not to be set");
Assert.IsFalse(task.FilesWereWritten, "Should not have marked files as written");
File.Delete(file2);
// Repeat, but ask for it to be treated as a project file
success = task.SafeFileCopy(file1, file2, /*isProjectFile*/ true);
Assert.IsTrue(success, "SafeFileCopy reported failure");
Assert.IsTrue(File.Exists(file2), "File2 did not get created");
content = File.ReadAllText(file2);
Assert.AreEqual("stuff", content, "File2 did not get right content");
fa = File.GetAttributes(file2);
Assert.AreEqual((int)FileAttributes.ReadOnly, (int)(fa & FileAttributes.ReadOnly), "Expected RO bit to be set");
Assert.IsTrue(task.FilesWereWritten, "Should have marked files as written");
task.SafeFileDelete(file2);
string errorMessage = String.Empty;
// Finally, try a clearly illegal copy and catch the error
using (FileStream fs = new FileStream(file1, FileMode.Open, FileAccess.Read, FileShare.None))
{
try
{
File.Copy(file1, file2, true);
}
catch (IOException iox)
{
errorMessage = iox.Message;
}
success = task.SafeFileCopy(file1, file2, /*isProjectFile*/ false);
}
Assert.IsFalse(success, "Expected illegal copy to report failure");
string expectedWarning = string.Format(CultureInfo.CurrentCulture, Resource.Failed_To_Copy_File, file1, file2, errorMessage);
TestHelper.AssertContainsWarnings(mockBuildEngine.ConsoleLogger, expectedWarning);
}
finally
{
CodeGenHelper.DeleteTempFolder(tempFolder);
}
}
public void CleanClientFiles_Safe_File_Delete()
{
CleanClientFilesTask task = new CleanClientFilesTask();
MockBuildEngine mockBuildEngine = new MockBuildEngine();
task.BuildEngine = mockBuildEngine;
// Test 1 -- null and empty deletes do nothing
task.SafeFileDelete(null);
TestHelper.AssertNoErrorsOrWarnings(mockBuildEngine.ConsoleLogger);
task.SafeFileDelete(string.Empty);
TestHelper.AssertNoErrorsOrWarnings(mockBuildEngine.ConsoleLogger);
// Test 2 -- nonexistant file does nothing
string fileName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
Assert.IsFalse(File.Exists(fileName));
task.SafeFileDelete(fileName);
TestHelper.AssertNoErrorsOrWarnings(mockBuildEngine.ConsoleLogger);
// Test 3 -- verify delete on actual file succeeds without error
File.WriteAllText(fileName, "stuff");
Assert.IsTrue(File.Exists(fileName));
task.SafeFileDelete(fileName);
Assert.IsFalse(File.Exists(fileName));
TestHelper.AssertNoErrorsOrWarnings(mockBuildEngine.ConsoleLogger);
// Test 4 -- verify delete on actual file with READONLY attribute set succeeds without error
File.WriteAllText(fileName, "stuff");
File.SetAttributes(fileName, FileAttributes.ReadOnly);
Assert.IsTrue(File.Exists(fileName));
task.SafeFileDelete(fileName);
Assert.IsFalse(File.Exists(fileName));
TestHelper.AssertNoErrorsOrWarnings(mockBuildEngine.ConsoleLogger);
// Test 5 -- attempt to delete while file is open.
// Verify we log a warning containing the exception's message
File.WriteAllText(fileName, "stuff");
Assert.IsTrue(File.Exists(fileName));
string errorMessage = null;
using (StreamReader t1 = new StreamReader(fileName))
{
// We do a delete here to capture the exception we expect the SafeFileDelete to encounter
try
{
File.Delete(fileName);
}
catch (IOException ioe)
{
errorMessage = ioe.Message;
}
Assert.IsNotNull(errorMessage, "Expected File.Delete to throw IOException");
task.SafeFileDelete(fileName);
}
Assert.IsTrue(File.Exists(fileName));
File.Delete(fileName);
string expectedWarning = string.Format(CultureInfo.CurrentCulture, Resource.Failed_To_Delete_File_Error, fileName, errorMessage);
TestHelper.AssertContainsWarnings(mockBuildEngine.ConsoleLogger, expectedWarning);
}