agent-ecosystem/test/renderer/utils/memberAvatarCatalog.assets.test.ts

41 lines
1.5 KiB
TypeScript

import { readdirSync, readFileSync } from 'node:fs';
import path from 'node:path';
import { describe, expect, it } from 'vitest';
const AVATAR_DIR = path.join(process.cwd(), 'src/renderer/assets/participant-avatars');
const EXPECTED_AVATAR_COUNT = 13;
const MAX_AVATAR_DIMENSION_PX = 256;
const MAX_AVATAR_FILE_BYTES = 120 * 1024;
const MAX_AVATAR_CATALOG_BYTES = 1.25 * 1024 * 1024;
function readPngDimensions(buffer: Buffer): { width: number; height: number } {
expect(buffer.subarray(0, 8).toString('hex')).toBe('89504e470d0a1a0a');
return {
width: buffer.readUInt32BE(16),
height: buffer.readUInt32BE(20),
};
}
describe('participant avatar assets', () => {
it('keeps startup avatars within the renderer asset budget', () => {
const avatarFiles = readdirSync(AVATAR_DIR)
.filter((fileName) => fileName.endsWith('.png'))
.sort();
let totalBytes = 0;
expect(avatarFiles).toHaveLength(EXPECTED_AVATAR_COUNT);
for (const fileName of avatarFiles) {
const buffer = readFileSync(path.join(AVATAR_DIR, fileName));
totalBytes += buffer.byteLength;
const dimensions = readPngDimensions(buffer);
expect(dimensions.width, fileName).toBeLessThanOrEqual(MAX_AVATAR_DIMENSION_PX);
expect(dimensions.height, fileName).toBeLessThanOrEqual(MAX_AVATAR_DIMENSION_PX);
expect(buffer.byteLength, fileName).toBeLessThanOrEqual(MAX_AVATAR_FILE_BYTES);
}
expect(totalBytes).toBeLessThanOrEqual(MAX_AVATAR_CATALOG_BYTES);
});
});