public void if_original_file_exists_create_backup_number_one()
{
FileInfo fileInfo = CreateFile();
IFileBackup backup = new RollingFileBackup(fileInfo, 5);
backup.Create();
List<FileInfo> files = GetFiles();
Assert.AreEqual(2, files.Count);
}
public void if_there_is_currently_more_than_maxBackups_the_rest_are_deleted()
{
CreateFiles(10);
Assert.AreEqual(11, GetFiles().Count);
var backup = new RollingFileBackup(new FileInfo(GetFilePath()), 5);
IEnumerable<IFileBackupInfo> versions = backup.Create();
Assert.AreEqual(5, versions.Count());
}
public void if_at_max_backups_only_keep_newest()
{
FileInfo file = CreateFile();
var backup = new RollingFileBackup(file, 5);
IEnumerable<IFileBackupInfo> versions = new GenerationalFileBackupInfo[0];
for (int i = 0; i < 10; i++)
{
versions = backup.Create();
}
List<FileInfo> files = GetFiles();
//original + 5 backups
Assert.AreEqual(6, files.Count);
Assert.AreEqual(5, versions.Count());
}
public void if_there_is_one_backup_move_number_one_to_number_two_and_create_number_one()
{
CreateFiles(1);
string file = GetFilePath();
var backup = new RollingFileBackup(new FileInfo(file), 5);
backup.Create();
List<FileInfo> files = GetFiles();
Assert.AreEqual(3, files.Count);
}