index.test.js

const process = require('process');
const cp = require('child_process');
const path = require('path');

// shows how the runner will run a javascript action with env / stdout protocol
test('test runs', () => {
  process.env['INPUT_VERSION'] = '1.22.0';
  process.env['INPUT_ARCH'] = 'x86_64';
  const ip = path.join(__dirname, 'index.js');
  if (process.platform ===  'linux') {
    // Linux uses caching, so until there's a way to mock around @actions/cache,
    // we cannot run this in the test environment because the ACTIONS_ variables
    // are not set and no service is present.  Trying to avoid using the cache
    // API by checking isFeatureAvailable does not prevent the code from crashing
    // when trying to check those variables.
    console.log(`skipping test on ${process.platform}`);
  }
  else {
    try {
      let result = cp.execSync(`node ${ip}`, {env: process.env}).toString();
      console.log(result);
    }
    catch (err) {
      console.log("output", err);
      console.log("stderr", err.stderr.toString());
      throw(err);
    }
  }
});