Split up backend modules

tests/test_basic.py

@@ -5,7 +5,7 @@ import unittest
 from chainlib.chain import ChainSpec
 
 # local imports
-from chainsyncer.backend import SyncerBackend
+from chainsyncer.backend.memory import MemBackend
 
 # testutil imports
 from tests.base import TestBase
@@ -15,7 +15,7 @@ class TestBasic(TestBase):
 
     def test_hello(self):
         chain_spec = ChainSpec('evm', 'bloxberg', 8996, 'foo')
-        backend = SyncerBackend(chain_spec, 'foo') 
+        backend = MemBackend(chain_spec, 'foo') 
 
 
 if __name__ == '__main__':

tests/test_database.py

@@ -8,7 +8,7 @@ from chainlib.chain import ChainSpec
 # local imports
 from chainsyncer.db.models.base import SessionBase
 from chainsyncer.db.models.filter import BlockchainSyncFilter
-from chainsyncer.backend import SyncerBackend
+from chainsyncer.backend.sql import SyncerBackend
 
 # testutil imports
 from tests.base import TestBase
@@ -67,6 +67,7 @@ class TestDatabase(TestBase):
 
         session.close()
 
+
     def test_backend_retrieve(self):
         s = SyncerBackend.live(self.chain_spec, 42)
         s.register_filter('foo')

tests/test_file.py

@@ -9,7 +9,7 @@ import shutil
 from chainlib.chain import ChainSpec
 
 # local imports
-from chainsyncer.backend_file import SyncerFileBackend
+from chainsyncer.backend.file import SyncerFileBackend
 
 logging.basicConfig(level=logging.DEBUG)
 logg = logging.getLogger().getChild(__name__)