Detox/detox/test/e2e/utils/artifactUtils.js

const _ = require('lodash');
const fs = require('fs');
const path = require('path');
const glob = require('glob');

function getLatestArtifactsDir() {
  if (!fs.existsSync('artifacts')) {
    return null;
  }

  const sessionDirNames = fs.readdirSync('artifacts');
  const sessionDirs = sessionDirNames.map(name => path.join('artifacts', name));
  const stats = _.zipObject(sessionDirs, sessionDirs.map(dir => fs.statSync(dir)));

  return _(sessionDirs)
    .filter(dir => stats[dir].isDirectory())
    .maxBy((dir) => stats[dir].mtime);
}

function assertDirExists(dirPath) {
  if (!fs.statSync(dirPath).isDirectory()) {
    throw new Error('Expected to find a directory at path: ' + dirPath);
  }
}

function assertArtifactExists(pattern) {
  const artifactsRootDir = getLatestArtifactsDir();
  const matchingArtifacts = glob.sync(pattern, { cwd: artifactsRootDir });
  if (matchingArtifacts.length === 0) {
    throw new Error('Assertion failed.\nFailed to find artifacts matching: ' + path.join(artifactsRootDir, pattern));
  }
}

async function waitUntilArtifactsManagerIsIdle() {
  if (typeof __waitUntilArtifactsManagerIsIdle__ !== 'undefined') {
    await __waitUntilArtifactsManagerIsIdle__();
  } else {
    console.warn('!!! waitUntilArtifactsManagerIsIdle NOT FOUND !!!');
  }
}

module.exports = {
  getLatestArtifactsDir,
  assertArtifactExists,
  assertDirExists,
  waitUntilArtifactsManagerIsIdle,
};