Implement seed entry management

src/tests/test_entry_add.py

@@ -63,10 +63,10 @@ def test_round_trip_entry_types(method, expected_type):
         else:
             if method == "add_ssh_key":
                 index = entry_mgr.add_ssh_key(TEST_SEED)
+            elif method == "add_seed":
+                index = entry_mgr.add_seed(TEST_SEED)
             else:
-                with pytest.raises(NotImplementedError):
-                    getattr(entry_mgr, method)()
-                index = 0
+                index = getattr(entry_mgr, method)()
 
         entry = entry_mgr.retrieve_entry(index)
         assert entry["type"] == expected_type

src/tests/test_seed_entry.py

@@ -0,0 +1,41 @@
+import sys
+from pathlib import Path
+from tempfile import TemporaryDirectory
+
+from helpers import create_vault, TEST_SEED, TEST_PASSWORD
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.entry_management import EntryManager
+from password_manager.backup import BackupManager
+from password_manager.config_manager import ConfigManager
+from password_manager.password_generation import derive_seed_phrase
+from local_bip85.bip85 import BIP85
+from bip_utils import Bip39SeedGenerator
+
+
+def test_seed_phrase_determinism():
+    with TemporaryDirectory() as tmpdir:
+        tmp_path = Path(tmpdir)
+        vault, enc_mgr = create_vault(tmp_path, TEST_SEED, TEST_PASSWORD)
+        cfg_mgr = ConfigManager(vault, tmp_path)
+        backup_mgr = BackupManager(tmp_path, cfg_mgr)
+        entry_mgr = EntryManager(vault, backup_mgr)
+
+        idx_12 = entry_mgr.add_seed(TEST_SEED, words_num=12)
+        idx_24 = entry_mgr.add_seed(TEST_SEED, words_num=24)
+
+        phrase12_a = entry_mgr.get_seed_phrase(idx_12, TEST_SEED)
+        phrase12_b = entry_mgr.get_seed_phrase(idx_12, TEST_SEED)
+        phrase24_a = entry_mgr.get_seed_phrase(idx_24, TEST_SEED)
+        phrase24_b = entry_mgr.get_seed_phrase(idx_24, TEST_SEED)
+
+        seed_bytes = Bip39SeedGenerator(TEST_SEED).Generate()
+        bip85 = BIP85(seed_bytes)
+        expected12 = derive_seed_phrase(bip85, idx_12, 12)
+        expected24 = derive_seed_phrase(bip85, idx_24, 24)
+
+        assert phrase12_a == phrase12_b == expected12
+        assert phrase24_a == phrase24_b == expected24
+        assert len(phrase12_a.split()) == 12
+        assert len(phrase24_a.split()) == 24