create_dummy_dart_test.js

#!/usr/bin/env node

const dest = __dirname + "/../packages/";
const { readdir, writeFile, exists, mkdir } = require("fs");
const { promisify } = require("util");
const [readDirAsync, writeFileAsync, existsAsync, mkdirAsync] = [
  promisify(readdir),
  promisify(writeFile),
  promisify(exists),
  promisify(mkdir)
];

function snakeToCamel(s) {
  return s.replace(/(\_\w)/g, function(m) {
    return m[1].toUpperCase();
  });
}

function getPackageName(dirName) {
  let r = snakeToCamel("_" + dirName);
  switch(r) {
    case 'Camera':
    return 'CameraController';
    case 'DeviceInfo':
    return 'DeviceInfoPlugin';
    case 'LocalAuth':
    return 'LocalAuthentication'
    case 'LocationBackground':
    return 'Location'
    default:
    return r;
  }
}

const main = async () => {
  const dirList = await readDirAsync(dest);
  dirList.map(async dirName => {
    if (!dirName) {
      return;
    }
    const packageName = getPackageName(dirName);
    try {
      const dartTestPath = __dirname + "/../packages/" + dirName + "/test";

      if (!(await existsAsync(dartTestPath))) {
        await mkdirAsync(dartTestPath);
      }

      let dirContent = await readDirAsync(dartTestPath);
      if (dirContent.length !== 0) {
        return;
      }

      const content = `
import 'package:flutter_test/flutter_test.dart';

import 'package:${dirName}/${dirName}.dart';

void main() {

  test('dummy', () async {
  });
}
`;
// final ${packageName} _  = ${packageName}();
      await writeFileAsync(dartTestPath + "/dummy_test.dart", content);
    } catch (e) {
      console.log(e);
    }
  });
};

main();