enotsup.spec.js

const fs = require('fs');
const glob = require('../');
const path = require('path');

describe('enotsup', () => {
  beforeEach(() => {
    process.chdir(__dirname + '/fixtures');
    const readdir = fs.readdir;
    spyOn(fs, 'readdir').and.callFake(function (p, opts, cb) {
      if (allowedDirs.indexOf(path.resolve(p)) === -1 && !p.match(/[\\\/]node_modules[\\\/]/)) {
        setTimeout(() => {
          sawAsyncENOTSUP = true;
          er = new Error('ENOTSUP: Operation not supported');
          er.path = path;
          er.code = 'ENOTSUP';
          return cb(er);
        })
      } else {
        readdir.call(fs, p, opts, cb);
      }
    });
  });


  let sawAsyncENOTSUP = false;
  const fixtureDir = path.resolve(__dirname, 'fixtures');
  const allowedDirs = [
    path.resolve(fixtureDir),
    path.resolve(fixtureDir, 'a'),
    path.resolve(fixtureDir, 'a', 'abcdef'),
    path.resolve(fixtureDir, 'a', 'abcfed'),
    path.resolve(fixtureDir, 'a', 'abcdef', 'g'),
    path.resolve(fixtureDir, 'a', 'abcfed', 'g')
  ];
  const pattern = 'a/**/h';

  it(pattern,  done => {
    glob('.', {pattern}, (er, res) => {
      expect(er).toBeFalsy();
      expect(sawAsyncENOTSUP).toBeTruthy();
      res.sort();
      expect(res).toEqual([ 'a/abcdef/g/h', 'a/abcfed/g/h' ]);
      done();
    });
  });
});