Test avoiding decryption when selecting active profile

src/tests/test_handle_switch_fingerprint.py

@@ -0,0 +1,32 @@
+from main import handle_switch_fingerprint
+
+
+def test_handle_switch_fingerprint_active_profile(monkeypatch, capsys):
+    class DummyFingerprintManager:
+        def __init__(self):
+            self.fingerprints = ["fp1", "fp2"]
+
+        def list_fingerprints(self):
+            return self.fingerprints
+
+        def display_name(self, fp):
+            return fp
+
+    class DummyPM:
+        def __init__(self):
+            self.fingerprint_manager = DummyFingerprintManager()
+            self.current_fingerprint = "fp1"
+            self.decrypted = False
+
+        def select_fingerprint(self, fingerprint):
+            self.decrypted = True
+            return True
+
+    pm = DummyPM()
+    monkeypatch.setattr("builtins.input", lambda _: "1")
+
+    handle_switch_fingerprint(pm)
+
+    captured = capsys.readouterr()
+    assert "already active" in captured.out.lower()
+    assert pm.decrypted is False