test(ha_adb_common,connection): application-label tolerance (dual quotes, empty multi-label blocks, null, absent) + label cache reuse across cycles — no duplicate pm dump (P5-1)

tests/test_media_session.py

@@ -185,3 +185,27 @@ def test_running_apps_last_known_enrichment():
     assert tivi["last_known_title"] == "Last show"
     assert "last_known_state" not in netflix  # live session enriched instead
     assert netflix["state"] == "playing"
+
+
+def test_parse_application_label_default_locale_wins():
+    """P5-1: the default-locale label wins; localized suffixes are skipped."""
+    from nsh.ha_adb_common.app_label import parse_application_label
+
+    dump = (
+        "application-label: 'TiviMate'\n"
+        "application-label-de: 'TiviMate DE'\n"
+        "application-icon-320: 'x'"
+    )
+    assert parse_application_label(dump) == "TiviMate"
+
+
+def test_parse_application_label_tolerance():
+    from nsh.ha_adb_common.app_label import parse_application_label
+
+    # double-quoted, empty first label (multi-label block), nonexistent
+    assert parse_application_label('application-label:"Wholphin"') == "Wholphin"
+    multi_label = "application-label:''\napplication-label: 'TiviMate'"
+    assert parse_application_label(multi_label) == "TiviMate"
+    assert parse_application_label("application-label: null") is None
+    assert parse_application_label("") is None
+    assert parse_application_label("nothing here") is None