notifications: resolve notifyd's config.json in a shared library

One resolver for both shells and the settings page, with the defaults that
reproduce today's behaviour, and the mute/DND decision beside it so the
node check covers it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

1 files changed, 51 insertions, 0 deletions

diff --git a/shared/test_notify_config.js b/shared/test_notify_config.js
new file mode 100644
index 0000000..b58fbde
--- /dev/null
+++ b/shared/test_notify_config.js
@@ -0,0 +1,51 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Run: node shared/test_notify_config.js
+// NotifyConfig.js is a QML library, so its .pragma line is stripped before
+// node evaluates it.
+
+const fs = require("fs");
+const assert = require("assert");
+
+const src = fs.readFileSync(__dirname + "/NotifyConfig.js", "utf8")
+    .replace(/^\.pragma library$/m, "");
+const C = new Function(src + "\nreturn { defaults, resolve, withheld };")();
+
+// Nothing, or garbage, is the defaults.
+assert.deepStrictEqual(C.resolve(undefined), C.defaults());
+assert.deepStrictEqual(C.resolve("x"), C.defaults());
+
+// Partial merges; wrong types and bad values keep their defaults.
+const r = C.resolve({ timeouts: { low: 3, normal: "x" }, liveCap: 500, historyCap: 0,
+                      balloons: { corner: "middle", screen: "HDMI-A-1" },
+                      dndPassCritical: false, muted: ["a", 3, "b"] });
+assert.deepStrictEqual(r.timeouts, { low: 3, normal: 10, critical: 0 });
+assert.strictEqual(r.liveCap, 100);
+assert.strictEqual(r.historyCap, 1);
+assert.deepStrictEqual(r.balloons, { screen: "HDMI-A-1", corner: "bottom-right" });
+assert.strictEqual(r.dndPassCritical, false);
+assert.deepStrictEqual(r.muted, ["a", "b"]);
+
+// Timeouts above a day are out of range, as in the daemon: the default.
+assert.strictEqual(C.resolve({ timeouts: { critical: 100000 } }).timeouts.critical, 0);
+assert.strictEqual(C.resolve({ timeouts: { low: 86400 } }).timeouts.low, 86400);
+
+// Suppression: muted always, DND per dndPassCritical.
+const n = (app, urgency) => ({ app, urgency });
+const cfg = C.resolve({ muted: ["spam"] });
+assert.strictEqual(C.withheld(cfg, n("spam", "critical"), false), true);
+assert.strictEqual(C.withheld(cfg, n("ok", "normal"), false), false);
+assert.strictEqual(C.withheld(cfg, n("ok", "normal"), true), true);
+assert.strictEqual(C.withheld(cfg, n("ok", "critical"), true), false);
+assert.strictEqual(C.withheld(C.resolve({ dndPassCritical: false }), n("ok", "critical"), true), true);
+
+console.log("ok");