pulsar/spec/default-directory-provider-spec.js

const DefaultDirectoryProvider = require('../src/default-directory-provider');
const path = require('path');
const fs = require('fs-plus');
const temp = require('temp').track();

describe('DefaultDirectoryProvider', function() {
  let tmp = null;

  beforeEach(() => (tmp = temp.mkdirSync('atom-spec-default-dir-provider')));

  afterEach(function() {
    try {
      temp.cleanupSync();
    } catch (error) {}
  });

  describe('.directoryForURISync(uri)', function() {
    it('returns a Directory with a path that matches the uri', function() {
      const provider = new DefaultDirectoryProvider();

      const directory = provider.directoryForURISync(tmp);
      expect(directory.getPath()).toEqual(tmp);
    });

    it('normalizes its input before creating a Directory for it', function() {
      const provider = new DefaultDirectoryProvider();
      const nonNormalizedPath =
        tmp + path.sep + '..' + path.sep + path.basename(tmp);
      expect(tmp.includes('..')).toBe(false);
      expect(nonNormalizedPath.includes('..')).toBe(true);

      const directory = provider.directoryForURISync(nonNormalizedPath);
      expect(directory.getPath()).toEqual(tmp);
    });

    it('normalizes disk drive letter in path on #win32', function() {
      const provider = new DefaultDirectoryProvider();
      const nonNormalizedPath = tmp[0].toLowerCase() + tmp.slice(1);
      expect(tmp).not.toMatch(/^[a-z]:/);
      expect(nonNormalizedPath).toMatch(/^[a-z]:/);

      const directory = provider.directoryForURISync(nonNormalizedPath);
      expect(directory.getPath()).toEqual(tmp);
    });

    it('creates a Directory for its parent dir when passed a file', function() {
      const provider = new DefaultDirectoryProvider();
      const file = path.join(tmp, 'example.txt');
      fs.writeFileSync(file, 'data');

      const directory = provider.directoryForURISync(file);
      expect(directory.getPath()).toEqual(tmp);
    });

    it('creates a Directory with a path as a uri when passed a uri', function() {
      const provider = new DefaultDirectoryProvider();
      const uri = 'remote://server:6792/path/to/a/dir';
      const directory = provider.directoryForURISync(uri);
      expect(directory.getPath()).toEqual(uri);
    });
  });

  describe('.directoryForURI(uri)', () =>
    it('returns a Promise that resolves to a Directory with a path that matches the uri', function() {
      const provider = new DefaultDirectoryProvider();

      waitsForPromise(() =>
        provider
          .directoryForURI(tmp)
          .then(directory => expect(directory.getPath()).toEqual(tmp))
      );
    }));
});