test(Add unit tests):

myenv/bin/pytest

@@ -0,0 +1,8 @@
+#!/home/muzhi/tpre-python/myenv/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+from pytest import console_main
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw|\.exe)?$', '', sys.argv[0])
+    sys.exit(console_main())