1 files changed, 93 insertions, 0 deletions
diff --git a/desktop/modules/qtmaildir/test_ini.js b/desktop/modules/qtmaildir/test_ini.js
new file mode 100644
index 0000000..2e7fb03
--- /dev/null
+++ b/desktop/modules/qtmaildir/test_ini.js
@@ -0,0 +1,93 @@
+// 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/qtmaildir/test_ini.js
+// Ini.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 + "/Ini.js", "utf8")
+    .replace(/^\.pragma library$/m, "");
+const I = new Function(src + "\nreturn { sections, entries, get, set, remove, addSection, removeSection };")();
+
+const file = [
+    "[general]",
+    "; startup_query = Unread",
+    "toolbar_icon_size = 32",
+    "date_format = dd/MM/yyyy hh:mm",
+    "",
+    "[account.gmail]",
+    "maildir = gmail        ; relative to notmuch's mail root",
+    "drafts = [Gmail]/Bozze",
+    'send_command = "/usr/bin/msmtp -a x ; y"',
+    "label = GM",
+    "",
+    "[tagcolors]",
+    "shopping/amazon = #ff9900",
+    "",
+].join("\n");
+
+// A value holding brackets is not a section header (AGENTS.md: three of
+// five accounts once lost their label to exactly that).
+assert.deepStrictEqual(I.sections(file), ["general", "account.gmail", "tagcolors"]);
+assert.strictEqual(I.get(file, "account.gmail", "drafts"), "[Gmail]/Bozze");
+assert.strictEqual(I.get(file, "account.gmail", "label"), "GM");
+// An inline comment is not part of the value; a quoted ; is.
+assert.strictEqual(I.get(file, "account.gmail", "maildir"), "gmail");
+assert.strictEqual(I.get(file, "account.gmail", "send_command"), "/usr/bin/msmtp -a x ; y");
+// A commented key is unset.
+assert.strictEqual(I.get(file, "general", "startup_query"), undefined);
+assert.deepStrictEqual(I.entries(file, "tagcolors"), [{ key: "shopping/amazon", value: "#ff9900" }]);
+
+// Replacing keeps the inline comment and every other line.
+let t = I.set(file, "account.gmail", "maildir", "gm2");
+assert.strictEqual(t.split("\n")[6], "maildir = gm2        ; relative to notmuch's mail root");
+assert.strictEqual(t.split("\n").length, file.split("\n").length);
+// Setting a commented key activates its line.
+t = I.set(file, "general", "startup_query", "Inbox");
+assert.strictEqual(t.split("\n")[1], "startup_query = Inbox");
+// Unsetting comments a key out in place.
+t = I.set(file, "general", "toolbar_icon_size", null);
+assert.strictEqual(t.split("\n")[2], "; toolbar_icon_size = 32");
+assert.strictEqual(I.get(t, "general", "toolbar_icon_size"), undefined);
+// A new key lands at the end of its section, before the blank line.
+t = I.set(file, "general", "language", "it");
+assert.strictEqual(t.split("\n")[4], "language = it");
+assert.strictEqual(t.split("\n")[5], "");
+assert.strictEqual(I.get(t, "general", "language"), "it");
+// A value with a ; or a quote is quoted, and reads back the same.
+t = I.set(file, "account.gmail", "send_command", 'a "b" ; c');
+assert.strictEqual(I.get(t, "account.gmail", "send_command"), 'a "b" ; c');
+// A missing section is appended.
+t = I.set(file, "compose", "send_html", "false");
+assert.ok(t.endsWith("\n[compose]\nsend_html = false\n"), JSON.stringify(t));
+assert.strictEqual(I.get(t, "compose", "send_html"), "false");
+// The same key in another section is untouched.
+t = I.set("[a]\nx = 1\n\n[b]\nx = 2\n", "b", "x", "3");
+assert.strictEqual(t, "[a]\nx = 1\n\n[b]\nx = 3\n");
+
+// remove deletes the line, where set(null) would comment it out.
+t = I.remove(file, "tagcolors", "shopping/amazon");
+assert.deepStrictEqual(I.entries(t, "tagcolors"), []);
+assert.ok(!t.includes("amazon"));
+assert.strictEqual(I.remove(file, "tagcolors", "nope"), file);
+
+// Whole sections, for accounts.
+t = I.addSection(file, "account.new", [["maildir", "new"], ["trash", "Trash"]]);
+assert.deepStrictEqual(I.sections(t), ["general", "account.gmail", "tagcolors", "account.new"]);
+assert.strictEqual(I.get(t, "account.new", "trash"), "Trash");
+t = I.removeSection(file, "account.gmail");
+assert.deepStrictEqual(I.sections(t), ["general", "tagcolors"]);
+assert.strictEqual(t, "[general]\n; startup_query = Unread\ntoolbar_icon_size = 32\ndate_format = dd/MM/yyyy hh:mm\n\n[tagcolors]\nshopping/amazon = #ff9900\n");
+
+console.log("test_ini: ok");