public void CurrentDirectoryUnchangedWhenTargetDirectoryIsNull()
{
var state = new FileSystemState();
var before = state.GetCurrentDirectory();
var isSetDirectorySuccess = state.TrySetCurrentDirectory(null);
var after = state.GetCurrentDirectory();
Assert.IsFalse(isSetDirectorySuccess);
Assert.AreEqual(before, after);
}
public void CanChangeCurrentDirectory()
{
var state = new FileSystemState();
var before = state.GetCurrentDirectory();
var target = new Directory();
var isSetDirectorySuccess = state.TrySetCurrentDirectory(target);
var after = state.GetCurrentDirectory();
Assert.IsTrue(isSetDirectorySuccess);
Assert.AreNotEqual(before, after);
Assert.AreEqual(target, after);
}
private string ChangeDirectoryToRoot(string targetDirectoryName)
{
var rootDirectory = _fileSystemState.GetRootDirectory();
var isRootDirectorySetSuccess = _fileSystemState.TrySetCurrentDirectory(rootDirectory);
if (!isRootDirectorySetSuccess)
{
return($"Error - Failed to set current directory to root `{targetDirectoryName}`");
}
return("Current working directory changed");
}
