diff --git a/tests/test_configure.py b/tests/test_configure.py
new file mode 100644
index 0000000..0110061
--- /dev/null
+++ b/tests/test_configure.py
@@ -0,0 +1,33 @@
+import pytest
+
+from skywipe.configure import _validate_handle, _validate_password
+
+
+@pytest.mark.parametrize(
+    "handle,expected_valid",
+    [
+        ("", False),
+        ("a" * 254, False),
+        ("has space", False),
+        ("invalid_handle!", False),
+        ("alice", True),
+        ("alice.bsky.social", True),
+        ("did:plc:abcd1234", True),
+    ],
+)
+def test_validate_handle(handle, expected_valid):
+    result = _validate_handle(handle)
+    assert result.is_valid is expected_valid
+
+
+@pytest.mark.parametrize(
+    "password,expected_valid",
+    [
+        ("", False),
+        ("short", False),
+        ("longenough", True),
+    ],
+)
+def test_validate_password(password, expected_valid):
+    result = _validate_password(password)
+    assert result.is_valid is expected_valid