diff --git a/src/tests/test_totp_uri.py b/src/tests/test_totp_uri.py
new file mode 100644
index 0000000..26b8429
--- /dev/null
+++ b/src/tests/test_totp_uri.py
@@ -0,0 +1,48 @@
+import sys
+from pathlib import Path
+
+import pytest
+
+sys.path.append(str(Path(__file__).resolve().parents[1]))
+
+from password_manager.totp import TotpManager
+
+
+# Test parsing a normal otpauth URI with custom period and digits
+
+
+def test_parse_otpauth_normal():
+    uri = "otpauth://totp/Example?secret=JBSWY3DPEHPK3PXP&period=45&digits=8"
+    label, secret, period, digits = TotpManager.parse_otpauth(uri)
+    assert label == "Example"
+    assert secret == "JBSWY3DPEHPK3PXP"
+    assert period == 45
+    assert digits == 8
+
+
+# URI missing the otpauth:// prefix should raise ValueError
+
+
+def test_parse_otpauth_missing_prefix():
+    with pytest.raises(ValueError):
+        TotpManager.parse_otpauth("totp/Example?secret=ABC")
+
+
+# URI without a secret parameter should raise ValueError
+
+
+def test_parse_otpauth_missing_secret():
+    uri = "otpauth://totp/Example?period=30"
+    with pytest.raises(ValueError):
+        TotpManager.parse_otpauth(uri)
+
+
+# Round-trip make_otpauth_uri -> parse_otpauth with label containing spaces
+
+
+def test_make_otpauth_uri_roundtrip():
+    label = "Example Label"
+    secret = "JBSWY3DPEHPK3PXP"
+    uri = TotpManager.make_otpauth_uri(label, secret, period=30, digits=6)
+    parsed = TotpManager.parse_otpauth(uri)
+    assert parsed == (label, secret, 30, 6)