feat: worker runs the library scan when Config scan.requested is set

worker/tests/test_scan_trigger.py

@@ -0,0 +1,44 @@
+from lyra_worker.main import _run_scan
+from lyra_worker.types import MBTarget
+
+
+class FakeProbe:
+    def probe(self, path):
+        from lyra_worker.probe import ProbeResult
+        return ProbeResult(artist="", album="", fmt="FLAC", quality_class=3)
+
+
+class FakeResolver:
+    def resolve(self, artist, album):
+        return MBTarget(artist=artist, album=album, rg_mbid="rg1", artist_mbid="a1")
+
+
+def _set(conn, key, value):
+    with conn.cursor() as cur:
+        cur.execute(
+            'INSERT INTO "Config"(key, value, secret, "updatedAt") VALUES (%s, %s, false, now()) '
+            'ON CONFLICT (key) DO UPDATE SET value = EXCLUDED.value, "updatedAt" = now()',
+            (key, value),
+        )
+    conn.commit()
+
+
+def _get(conn, key):
+    with conn.cursor() as cur:
+        cur.execute('SELECT value FROM "Config" WHERE key = %s', (key,))
+        row = cur.fetchone()
+        return row[0] if row else None
+
+
+def test_run_scan_writes_result_and_clears_flag(conn, tmp_path):
+    (tmp_path / "John Mayer" / "Continuum (2006)").mkdir(parents=True)
+    (tmp_path / "John Mayer" / "Continuum (2006)" / "01.flac").write_bytes(b"")
+    _set(conn, "scan.requested", "true")
+
+    _run_scan(conn, FakeResolver(), FakeProbe(), dest_root=str(tmp_path))
+
+    assert _get(conn, "scan.requested") == "false"      # flag cleared
+    assert "imported" in (_get(conn, "scan.result") or "")  # summary written
+    with conn.cursor() as cur:
+        cur.execute('SELECT count(*) FROM "LibraryItem"')
+        assert cur.fetchone()[0] == 1