diff --git a/swh/storage/tests/test_converters.py b/swh/storage/tests/test_converters.py
index bd60590d..55a49f87 100644
--- a/swh/storage/tests/test_converters.py
+++ b/swh/storage/tests/test_converters.py
@@ -1,151 +1,151 @@
 # Copyright (C) 2015  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 from swh.storage import converters
 
 
 def test_date_to_db():
     date_to_db = converters.date_to_db
     assert date_to_db(None) == {"timestamp": None, "offset": 0, "neg_utc_offset": None}
 
     assert date_to_db(
         {"timestamp": 1234567890, "offset": 120, "negative_utc": False,}
     ) == {
         "timestamp": "2009-02-13T23:31:30+00:00",
         "offset": 120,
         "neg_utc_offset": False,
     }
 
     assert date_to_db(
         {"timestamp": 1123456789, "offset": 0, "negative_utc": True,}
     ) == {
         "timestamp": "2005-08-07T23:19:49+00:00",
         "offset": 0,
         "neg_utc_offset": True,
     }
 
     assert date_to_db(
         {"timestamp": 1234567890, "offset": 42, "negative_utc": False,}
     ) == {
         "timestamp": "2009-02-13T23:31:30+00:00",
         "offset": 42,
         "neg_utc_offset": False,
     }
 
     assert date_to_db(
         {"timestamp": 1634366813, "offset": -120, "negative_utc": False,}
     ) == {
         "timestamp": "2021-10-16T06:46:53+00:00",
         "offset": -120,
         "neg_utc_offset": False,
     }
 
 
 def test_db_to_author():
     # when
     actual_author = converters.db_to_author(b"fullname", b"name", b"email")
 
     # then
     assert actual_author == {
         "fullname": b"fullname",
         "name": b"name",
         "email": b"email",
     }
 
 
 def test_db_to_author_none():
     # when
     actual_author = converters.db_to_author(None, None, None)
 
     # then
     assert actual_author is None
 
 
 def test_db_to_revision():
     # when
     actual_revision = converters.db_to_revision(
         {
-            "id": "revision-id",
+            "id": b"revision-id",
             "date": None,
             "date_offset": None,
             "date_neg_utc_offset": None,
             "committer_date": None,
             "committer_date_offset": None,
             "committer_date_neg_utc_offset": None,
-            "type": "rev",
+            "type": "git",
             "directory": b"dir-sha1",
             "message": b"commit message",
             "author_fullname": b"auth-fullname",
             "author_name": b"auth-name",
             "author_email": b"auth-email",
             "committer_fullname": b"comm-fullname",
             "committer_name": b"comm-name",
             "committer_email": b"comm-email",
             "metadata": {},
             "synthetic": False,
             "extra_headers": (),
-            "parents": [123, 456],
+            "parents": [b"123", b"456"],
         }
     )
 
     # then
     assert actual_revision == {
-        "id": "revision-id",
+        "id": b"revision-id",
         "author": {
             "fullname": b"auth-fullname",
             "name": b"auth-name",
             "email": b"auth-email",
         },
         "date": None,
         "committer": {
             "fullname": b"comm-fullname",
             "name": b"comm-name",
             "email": b"comm-email",
         },
         "committer_date": None,
-        "type": "rev",
+        "type": "git",
         "directory": b"dir-sha1",
         "message": b"commit message",
         "metadata": {},
         "synthetic": False,
         "extra_headers": (),
-        "parents": [123, 456],
+        "parents": [b"123", b"456"],
     }
 
 
 def test_db_to_release():
     # when
     actual_release = converters.db_to_release(
         {
             "id": b"release-id",
             "target": b"revision-id",
             "target_type": "revision",
             "date": None,
             "date_offset": None,
             "date_neg_utc_offset": None,
             "name": b"release-name",
             "comment": b"release comment",
             "synthetic": True,
             "author_fullname": b"auth-fullname",
             "author_name": b"auth-name",
             "author_email": b"auth-email",
         }
     )
 
     # then
     assert actual_release == {
         "author": {
             "fullname": b"auth-fullname",
             "name": b"auth-name",
             "email": b"auth-email",
         },
         "date": None,
         "id": b"release-id",
         "name": b"release-name",
         "message": b"release comment",
         "synthetic": True,
         "target": b"revision-id",
         "target_type": "revision",
     }