diff --git a/README.md b/README.md
index 6034e9e..4f7b8b0 100644
--- a/README.md
+++ b/README.md
@@ -100,7 +100,7 @@ available commands:
     drop                   Drop all tables.
     import_airports        Import airports from a ".cup" file
     import_ddb             Import registered devices from the DDB.
-    import_file            Import registered devices from a local file.
+    import_ddb_file        Import registered devices from a local file.
     init                   Initialize the database.
     upgrade                Upgrade database to the latest version.
   
diff --git a/ogn/collect/database.py b/ogn/collect/database.py
index d954386..2b183fe 100644
--- a/ogn/collect/database.py
+++ b/ogn/collect/database.py
@@ -42,7 +42,7 @@ def import_ddb(session=None):
 
 
 @app.task
-def import_file(session=None, path='tests/custom_ddb.txt'):
+def import_ddb_file(session=None, path='tests/custom_ddb.txt'):
     """Import registered devices from a local file."""
 
     if session is None:
diff --git a/tests/collect/test_database.py b/tests/collect/test_database.py
index af2b05c..8d0cd39 100644
--- a/tests/collect/test_database.py
+++ b/tests/collect/test_database.py
@@ -1,8 +1,8 @@
 import unittest
 import os
 
-from ogn.model import AircraftBeacon, ReceiverBeacon, Device, Receiver
-from ogn.collect.database import update_devices, update_receivers
+from ogn.model import AircraftBeacon, ReceiverBeacon, Device, Receiver, DeviceInfo
+from ogn.collect.database import update_devices, update_receivers, import_ddb_file
 
 
 class TestDB(unittest.TestCase):
@@ -33,6 +33,7 @@ class TestDB(unittest.TestCase):
 
     def tearDown(self):
         session = self.session
+        session.execute("DELETE FROM device_info")
         session.execute("DELETE FROM device")
         session.execute("DELETE FROM receiver")
         session.execute("DELETE FROM aircraft_beacon")
@@ -117,6 +118,14 @@ class TestDB(unittest.TestCase):
         self.assertEqual(self.rb03.receiver_id, receivers[0].id)
         self.assertEqual(self.ab01.receiver_id, receivers[0].id)
 
+    def test_import_ddb_file(self):
+        session = self.session
+
+        import_ddb_file(session, path=os.path.dirname(__file__) + '/../custom_ddb.txt')
+
+        device_infos = session.query(DeviceInfo).all()
+        self.assertEqual(len(device_infos), 6)
+
 
 if __name__ == '__main__':
     unittest.main()