Rehabilitate start, resume

tests/test_database.py

@@ -1,5 +1,6 @@
 # standard imports
 import unittest
+import logging
 
 # external imports
 from chainlib.chain import ChainSpec
@@ -12,6 +13,9 @@ from chainsyncer.backend import SyncerBackend
 # testutil imports
 from tests.base import TestBase
 
+logg = logging.getLogger()
+
+
 class TestDatabase(TestBase):
 
 
@@ -49,7 +53,31 @@ class TestDatabase(TestBase):
         session = SessionBase.create_session()
         o = session.query(BlockchainSyncFilter).get(filter_id)
         self.assertEqual(len(o.flags), 2)
+
+        t = o.target()
+        self.assertEqual(t, (1 << 9) - 1)
+
+        for i in range(9):
+            o.set(i)
+
+        c = o.cursor()
+        self.assertEqual(c, t)
+
         session.close()
 
+
+    def test_backend_resume(self):
+        s = SyncerBackend.live(self.chain_spec, 42)
+        s.register_filter('foo')
+        s.register_filter('bar')
+        s.register_filter('baz')
+
+        s.set(42, 13)
+
+        s = SyncerBackend.first(self.chain_spec)
+        logg.debug('start {}'.format(s))
+        self.assertEqual(s.get(), ((42,13), 0))
+        
+
 if __name__ == '__main__':
     unittest.main()