a3ff2f5e6e
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).
64 lines
2.3 KiB
JavaScript
64 lines
2.3 KiB
JavaScript
'use strict';
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const test = require('node:test');
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const assert = require('node:assert/strict');
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const path = require('node:path');
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const { loadAtlasDirs } = require('../src/atlas-loader');
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const FIX = path.join(__dirname, 'fixtures', 'atlases');
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const FIX_DUP = path.join(__dirname, 'fixtures', 'atlases-dup');
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test('loadAtlasDirs: discovers two atlases in one dir', () => {
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const { registry, warnings } = loadAtlasDirs([FIX]);
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assert.equal(warnings.length, 0);
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assert.deepEqual(Object.keys(registry).sort(), ['atlas_a', 'atlas_b']);
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});
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test('loadAtlasDirs: builds tilesByName and tilesById maps', () => {
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const { registry } = loadAtlasDirs([FIX]);
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const a = registry['atlas_a'];
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assert.equal(a.tilesByName['grass'], 1);
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assert.equal(a.tilesByName['stone'], 2);
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assert.equal(a.tilesById[1], 'grass');
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assert.equal(a.tilesById[2], 'stone');
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assert.ok(a.specPath.endsWith('tiles.atlas.json'));
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});
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test('loadAtlasDirs: empty input → empty registry, no warnings', () => {
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const { registry, warnings } = loadAtlasDirs([]);
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assert.deepEqual(registry, {});
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assert.deepEqual(warnings, []);
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});
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test('loadAtlasDirs: duplicate atlas_id → first wins, warning emitted', () => {
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const { registry, warnings } = loadAtlasDirs([FIX, FIX_DUP]);
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// First dir wins: atlas_a has 'grass' name, not 'ALT_grass'
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assert.equal(registry['atlas_a'].tilesByName['grass'], 1);
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assert.equal(registry['atlas_a'].tilesByName['ALT_grass'], undefined);
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assert.equal(warnings.length, 1);
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assert.match(warnings[0], /atlas_a/);
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assert.match(warnings[0], /duplicate/i);
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});
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test('loadAtlasDirs: reverse path order swaps the winner', () => {
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const { registry, warnings } = loadAtlasDirs([FIX_DUP, FIX]);
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assert.equal(registry['atlas_a'].tilesByName['ALT_grass'], 1);
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assert.equal(registry['atlas_a'].tilesByName['grass'], undefined);
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assert.equal(warnings.length, 1);
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});
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test('loadAtlasDirs: missing directory throws', () => {
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assert.throws(
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() => loadAtlasDirs(['/no/such/path/exists']),
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/no such directory/i
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);
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});
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test('loadAtlasDirs: dir with no tiles.atlas.json subdirs → empty registry', () => {
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// Use sporel-tool-mapper/src/ which has no atlas specs
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const noAtlasDir = path.join(__dirname, '..', 'src');
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const { registry, warnings } = loadAtlasDirs([noAtlasDir]);
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assert.deepEqual(registry, {});
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assert.equal(warnings.length, 0);
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});
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