Merge pull request #166 from ChALkeR/chalker/test/bundle-fixes/0

test: add test bundler compatibility

package.json

@@ -18,7 +18,7 @@
     "build:clean": "rm *.{js,d.ts,d.ts.map,js.map} esm/*.{js,d.ts,d.ts.map,js.map} 2> /dev/null",
     "lint": "prettier --check 'src/**/*.{js,ts}' 'test/*.js'",
     "format": "prettier --write 'src/**/*.{js,ts}' 'test/*.js'",
-    "test": "node test/index.test.js"
+    "test": "node test/index.js"
   },
   "author": "Paul Miller (https://paulmillr.com)",
   "homepage": "https://paulmillr.com/noble/",

test/bls12-381.test.js

@@ -29,7 +29,7 @@ const SCALAR_VECTORS = readFileSync('./test/bls12-381/bls12-381-scalar-test-vect
   .map((l) => l.split(':'));
 
 // @ts-ignore
-const NUM_RUNS = Number(process.env.RUNS_COUNT || 10); // reduce to 1 to shorten test time
+const NUM_RUNS = Number(globalThis.process?.env?.RUNS_COUNT || 10); // reduce to 1 to shorten test time
 fc.configureGlobal({ numRuns: NUM_RUNS });
 
 const G1Point = bls.G1.ProjectivePoint;

test/bn254.test.js

@@ -6,7 +6,7 @@ import { bytesToNumberBE } from '../esm/abstract/utils.js';
 import { jsonGZ } from './utils.js';
 import { default as seda } from './bn254/seda.js';
 import { default as ethDump } from './bn254/eth-dump.js';
-const CROSS_PATH_GZ = './bn254/cross1000.json.gz';
+const CROSS_PATH_GZ = './bn254/cross1000.json.gz'; // bundler hint: readFileSync('./test/bn254/cross1000.json.gz')
 
 describe('bn254', () => {
   const { Fp2, Fp6, Fp12 } = bn254.fields;

test/utils.js

@@ -3,13 +3,21 @@ import { gunzipSync } from 'node:zlib';
 import { dirname, join as joinPath } from 'node:path';
 import { fileURLToPath } from 'node:url';
 
-const __dirname = dirname(fileURLToPath(import.meta.url));
+const _dirname = dirname(fileURLToPath(import.meta.url));
 
 export function jsonGZ(path) {
-  const unz = gunzipSync(readFileSync(joinPath(__dirname, path)));
+  const unz = gunzipSync(readFileSync(joinPath(_dirname, path)));
   return JSON.parse(unz.toString('utf8'));
 }
 
 export function json(path) {
-  return JSON.parse(readFileSync(joinPath(__dirname, path), { encoding: 'utf-8' }));
+  try {
+    // Node.js
+    return JSON.parse(readFileSync(joinPath(_dirname, path), { encoding: 'utf-8' }));
+  } catch {
+    // Bundler
+    const file = path.replace(/^\.\//, '').replace(/\.json$/, '');
+    if (path !== './' + file + '.json') throw new Error('Can not load non-json file');
+    return require('./' + file + '.json'); // in this form so that bundler can glob this
+  }
 }