close open filehandles. more tests

test_zfsautobackup.py

@@ -0,0 +1,11 @@
+from basetest import *
+
+
+class TestZfsAutobackup(unittest.TestCase):
+
+    def setUp(self):
+        prepare_zpools()
+        return super().setUp()
+
+    def  test_defaults(self):
+        self.assertFalse(ZfsAutobackup("test test_target1".split(" ")).run())