52 lines
2.3 KiB
JavaScript
52 lines
2.3 KiB
JavaScript
import assert from 'node:assert/strict';
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import test from 'node:test';
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import vm from 'node:vm';
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const root = path.resolve(import.meta.dirname, '..');
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async function catalogue(namespace) {
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const filename = path.join(root, 'public/js/group-symbols.js');
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const context = { Wegwichtel: namespace };
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context.globalThis = context;
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vm.runInNewContext(await fs.readFile(filename, 'utf8'), context, { filename });
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return context.Wegwichtel.GroupSymbols;
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}
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test('group motifs resolve all eight approved Unicode symbols to existing PNG assets', async () => {
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const existing = { Config: { apiBase: '/api' } };
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const symbols = await catalogue(existing);
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assert.equal(existing.Config.apiBase, '/api');
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const expected = ['🍎', '🔑', '🔔', '📘', '🌻', '☂️', '⚽', '☕'];
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assert.deepEqual(Array.from(symbols.list(), entry => entry.unicode), expected);
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assert.equal(new Set(symbols.list().map(entry => entry.unicode)).size, 8);
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for (const entry of symbols.list()) {
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assert.equal(symbols.get(entry.unicode), entry);
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assert.equal(symbols.has(entry.unicode), true);
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assert.equal(symbols.imageUrl(entry.unicode), entry.imageUrl);
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assert.equal(entry.imageUrl, `/images/group-symbols/${entry.unicode}.png`);
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assert.ok(entry.label.length > 0);
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const png = await fs.readFile(path.join(root, 'public', entry.imageUrl));
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assert.deepEqual(png.subarray(0, 8), Buffer.from([137, 80, 78, 71, 13, 10, 26, 10]));
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assert.equal(png[25], 6, 'each motif must be an RGBA PNG');
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assert.equal(Object.isFrozen(entry), true);
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}
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assert.equal(Object.isFrozen(symbols.list()), true);
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assert.throws(() => { symbols.list()[0].label = 'changed'; }, TypeError);
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assert.throws(() => symbols.list().push({}), { name: 'TypeError' });
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});
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test('Unicode presentation selectors resolve to one motif and invalid inputs stay unknown', async () => {
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const symbols = await catalogue();
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for (const base of ['☂', '⚽', '☕']) {
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assert.equal(symbols.get(base), symbols.get(`${base}\uFE0F`));
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assert.equal(symbols.get(base), symbols.get(`${base}\uFE0E`));
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}
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for (const value of ['', '🍎🔑', 'unknown', ' 🍎 ', null, undefined, 42, {}]) {
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assert.equal(symbols.get(value), null);
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assert.equal(symbols.imageUrl(value), null);
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assert.equal(symbols.has(value), false);
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}
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});
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