split filepointer in to text and binary variants

test/test_db.py

@@ -156,12 +156,10 @@ def test_mapping(db):
             name="The Impossible Kid",
             credits={"Produced By": "Aesop Rock", "Lyrics By": "Aesop Rock", "Puke in the MeowMix By": "Kirby"},
             tracks=["Mystery Fish", "Rings", "Lotta Years", "Dorks"],
-            cover=b"some jpg data",
         )
     )
     assert album.credits["Produced By"] == "Aesop Rock"
     assert album.tracks[0] == "Mystery Fish"
-    assert album.cover == b"some jpg data"
 
     aes = db.save(
         examples.Artist(
@@ -176,5 +174,31 @@ def test_mapping(db):
     assert aes.albums[album.name].uid == album.uid
     assert "Kirby" in aes.albums[album.name].credits.values()
 
+
+def test_file_pointers(db):
+    album = db.save(
+        examples.Album(
+            name="The Impossible Kid",
+            credits={"Produced By": "Aesop Rock", "Lyrics By": "Aesop Rock", "Puke in the MeowMix By": "Kirby"},
+            tracks=["Mystery Fish", "Rings", "Lotta Years", "Dorks"],
+            cover=b"some jpg data",
+            review="10/10 no notes",
+        )
+    )
+    assert album.cover == b"some jpg data"
+    assert album.review == "10/10 no notes"
+
+    db.save(
+        examples.Artist(
+            name="Aesop Rock",
+            albums={"The Impossible Kid": album},
+        )
+    )
+
+    album = db.Album.get(doc_id=album.doc_id)
+
     location_on_disk = db.path / album._metadata.fields["cover"].relpath(album)
     assert location_on_disk.read_bytes() == album.cover
+
+    location_on_disk = db.path / album._metadata.fields["review"].relpath(album)
+    assert location_on_disk.read_text() == album.review