Files
sporel-tool-mapper/tests/decode.test.js
Axel Meyer cef9c5c9a2 Add decode subcommand
Accepts decimal or 0x-hex GID input. gid=0 is rendered as the
literal 'empty'; non-zero values print the three components in a
parse-stable space-separated key=value form.
2026-05-23 13:47:39 +02:00

62 lines
2.0 KiB
JavaScript

'use strict';
const test = require('node:test');
const assert = require('node:assert/strict');
const { run } = require('../src/cli');
class Sink {
constructor() { this.chunks = []; }
write(s) { this.chunks.push(s); }
get text() { return this.chunks.join(''); }
}
test('decode: 196 prints (0,12,1)', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode', '196'], { out, err });
assert.equal(code, 0);
assert.equal(out.text, 'atlas=0 tile=12 rotation=1\n');
});
test('decode: 0 prints "empty"', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode', '0'], { out, err });
assert.equal(code, 0);
assert.equal(out.text, 'empty\n');
});
test('decode: hex (0xc4) parses to 196', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode', '0xc4'], { out, err });
assert.equal(code, 0);
assert.equal(out.text, 'atlas=0 tile=12 rotation=1\n');
});
test('decode: non-zero with tile=0 prints components (not "empty")', () => {
// gid=4 = (0<<24) | (0<<4) | (1<<2) → atlas=0 tile=0 rot=1
const out = new Sink(); const err = new Sink();
const code = run(['decode', '4'], { out, err });
assert.equal(code, 0);
assert.equal(out.text, 'atlas=0 tile=0 rotation=1\n');
});
test('decode: 16777232 from demo_v2 wall layer → (1,1,0)', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode', '16777232'], { out, err });
assert.equal(code, 0);
assert.equal(out.text, 'atlas=1 tile=1 rotation=0\n');
});
test('decode: no args prints usage, exit 1', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode'], { out, err });
assert.equal(code, 1);
assert.match(err.text, /usage: sporel-mapper decode/);
});
test('decode: bogus arg prints error, exit 1', () => {
const out = new Sink(); const err = new Sink();
const code = run(['decode', 'xyz'], { out, err });
assert.equal(code, 1);
assert.match(err.text, /error/i);
});