Files
sporel-tool-mapper/tests/atlas-loader.test.js
Axel Meyer a3ff2f5e6e Add atlas-spec loader with duplicate handling
loadAtlasDirs walks one level deep into each --atlas-dir, picks up
*/tiles.atlas.json, and builds bidirectional name/id maps. On
duplicate atlas_id across paths the first registration wins and a
warning string is returned (callers decide whether to print).
2026-05-23 13:50:10 +02:00

64 lines
2.3 KiB
JavaScript

'use strict';
const test = require('node:test');
const assert = require('node:assert/strict');
const path = require('node:path');
const { loadAtlasDirs } = require('../src/atlas-loader');
const FIX = path.join(__dirname, 'fixtures', 'atlases');
const FIX_DUP = path.join(__dirname, 'fixtures', 'atlases-dup');
test('loadAtlasDirs: discovers two atlases in one dir', () => {
const { registry, warnings } = loadAtlasDirs([FIX]);
assert.equal(warnings.length, 0);
assert.deepEqual(Object.keys(registry).sort(), ['atlas_a', 'atlas_b']);
});
test('loadAtlasDirs: builds tilesByName and tilesById maps', () => {
const { registry } = loadAtlasDirs([FIX]);
const a = registry['atlas_a'];
assert.equal(a.tilesByName['grass'], 1);
assert.equal(a.tilesByName['stone'], 2);
assert.equal(a.tilesById[1], 'grass');
assert.equal(a.tilesById[2], 'stone');
assert.ok(a.specPath.endsWith('tiles.atlas.json'));
});
test('loadAtlasDirs: empty input → empty registry, no warnings', () => {
const { registry, warnings } = loadAtlasDirs([]);
assert.deepEqual(registry, {});
assert.deepEqual(warnings, []);
});
test('loadAtlasDirs: duplicate atlas_id → first wins, warning emitted', () => {
const { registry, warnings } = loadAtlasDirs([FIX, FIX_DUP]);
// First dir wins: atlas_a has 'grass' name, not 'ALT_grass'
assert.equal(registry['atlas_a'].tilesByName['grass'], 1);
assert.equal(registry['atlas_a'].tilesByName['ALT_grass'], undefined);
assert.equal(warnings.length, 1);
assert.match(warnings[0], /atlas_a/);
assert.match(warnings[0], /duplicate/i);
});
test('loadAtlasDirs: reverse path order swaps the winner', () => {
const { registry, warnings } = loadAtlasDirs([FIX_DUP, FIX]);
assert.equal(registry['atlas_a'].tilesByName['ALT_grass'], 1);
assert.equal(registry['atlas_a'].tilesByName['grass'], undefined);
assert.equal(warnings.length, 1);
});
test('loadAtlasDirs: missing directory throws', () => {
assert.throws(
() => loadAtlasDirs(['/no/such/path/exists']),
/no such directory/i
);
});
test('loadAtlasDirs: dir with no tiles.atlas.json subdirs → empty registry', () => {
// Use sporel-tool-mapper/src/ which has no atlas specs
const noAtlasDir = path.join(__dirname, '..', 'src');
const { registry, warnings } = loadAtlasDirs([noAtlasDir]);
assert.deepEqual(registry, {});
assert.equal(warnings.length, 0);
});