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// 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 desktop/modules/assistant/test_config.js
// Config.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 + "/Config.js", "utf8")
.replace(/^\.pragma library$/m, "");
const C = new Function(src + "\nreturn { scalars, setScalar, env, setEnv, quote };")();
const KEYS = ["llm", "system", "tool_rounds", "temperature", "thinking"];
const file = [
"# desktop-assistant configuration.",
"# Style name = weight; prose with an equals sign",
"",
'# llm = "http://localhost:8181/v1" # llama-server, OpenAI API',
'# system = "You are a voice assistant. ..."',
"temperature = 0.6 # per request; unset = the preset's",
"",
"# [whisper]",
"# port = 8182",
"",
"[env]",
'SEARXNG_URL = "http://search.example.org" # a # inside a comment',
'MD_EDITOR = "typora"',
'# WEATHER_ENV = "/home/you/x"',
"",
].join("\n");
// Only active keys have values; prose and commented keys do not.
assert.deepStrictEqual(C.scalars(file, KEYS), { temperature: 0.6 });
assert.deepStrictEqual(C.env(file), [
{ key: "SEARXNG_URL", value: "http://search.example.org" },
{ key: "MD_EDITOR", value: "typora" },
]);
// Setting an active key keeps its inline comment.
let t = C.setScalar(file, "temperature", "0.2");
assert.strictEqual(t.split("\n")[5], "temperature = 0.2 # per request; unset = the preset's");
// Unsetting comments it out in place, and it reads as unset.
t = C.setScalar(file, "temperature", null);
assert.strictEqual(t.split("\n")[5], "# temperature = 0.6 # per request; unset = the preset's");
assert.deepStrictEqual(C.scalars(t, KEYS), {});
// Setting a commented key activates its line rather than adding one.
t = C.setScalar(file, "llm", C.quote("http://box:8080/v1"));
assert.strictEqual(t.split("\n")[3], 'llm = "http://box:8080/v1" # llama-server, OpenAI API');
assert.strictEqual(t.split("\n").length, file.split("\n").length);
// A key nowhere in the file lands before the first table, not inside it.
t = C.setScalar(file, "thinking", "false");
const lines = t.split("\n");
assert.ok(lines.indexOf("thinking = false") < lines.indexOf("[env]"));
assert.strictEqual(C.scalars(t, KEYS).thinking, false);
// The prose line with "=" is never treated as a key.
assert.strictEqual(C.setScalar(file, "name", null), file);
// Strings round-trip with quotes, backslashes and newlines.
const tricky = 'Say "hi"\\now\nline two\ttab';
t = C.setScalar(file, "system", C.quote(tricky));
assert.strictEqual(C.scalars(t, KEYS).system, tricky);
assert.strictEqual(t.split("\n").length, file.split("\n").length);
// env: replace, remove, add after the last active entry.
t = C.setEnv(file, "MD_EDITOR", "xdg-open");
assert.deepStrictEqual(C.env(t)[1], { key: "MD_EDITOR", value: "xdg-open" });
t = C.setEnv(file, "SEARXNG_URL", null);
assert.deepStrictEqual(C.env(t).map(e => e.key), ["MD_EDITOR"]);
t = C.setEnv(file, "CALENDAR_DIR", "/home/you/cal");
assert.deepStrictEqual(C.env(t).map(e => e.key), ["SEARXNG_URL", "MD_EDITOR", "CALENDAR_DIR"]);
assert.strictEqual(t.split("\n")[13], 'CALENDAR_DIR = "/home/you/cal"');
// No [env] table yet: one is appended.
t = C.setEnv("temperature = 0.6\n", "X", "1");
assert.deepStrictEqual(C.env(t), [{ key: "X", value: "1" }]);
assert.ok(/\n\[env\]\nX = "1"\n$/.test(t), JSON.stringify(t));
// An env key in another table is not the env one.
assert.deepStrictEqual(C.env('[voice]\nlang = "it"\n'), []);
console.log("test_config: ok");
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