electron/script/split-tests.js

33 lines
769 B
JavaScript

const fs = require('node:fs');
const glob = require('glob');
const currentShard = parseInt(process.argv[2], 10);
const shardCount = parseInt(process.argv[3], 10);
const specFiles = glob.sync('spec/*-spec.ts');
const buckets = [];
for (let i = 0; i < shardCount; i++) {
buckets.push([]);
}
const testsInSpecFile = Object.create(null);
for (const specFile of specFiles) {
const testContent = fs.readFileSync(specFile, 'utf8');
testsInSpecFile[specFile] = testContent.split('it(').length;
}
specFiles.sort((a, b) => {
return testsInSpecFile[b] - testsInSpecFile[a];
});
let shard = 0;
for (const specFile of specFiles) {
buckets[shard].push(specFile);
shard++;
if (shard === shardCount) shard = 0;
}
console.log(buckets[currentShard - 1].join(' '));