path-exists.test.js

'use strict'
/* eslint-env mocha */

const fs = require('../..')
const path = require('path')
const os = require('os')
const assert = require('assert')

describe('pathExists()', () => {
  let TEST_DIR

  beforeEach(done => {
    TEST_DIR = path.join(os.tmpdir(), 'fs-extra', 'path-exists')
    fs.emptyDir(TEST_DIR, done)
  })

  afterEach(done => fs.remove(TEST_DIR, done))

  it('should return false if file does not exist', () => {
    return fs.pathExists(path.join(TEST_DIR, 'somefile'))
      .then(exists => assert(!exists))
  })

  it('should return true if file does exist', () => {
    const file = path.join(TEST_DIR, 'exists')
    fs.ensureFileSync(file)
    return fs.pathExists(file)
      .then(exists => assert(exists))
  })

  it('should pass an empty error parameter to the callback', done => {
    const file = path.join(TEST_DIR, 'exists')
    fs.ensureFileSync(file)
    fs.pathExists(file, (err, exists) => {
      assert.ifError(err)
      assert(exists)
      done()
    })
  })
})