pulsar/spec/app/directory-spec.coffee
2012-08-27 17:36:36 -05:00

68 lines
1.8 KiB
CoffeeScript

Directory = require 'directory'
fs = require 'fs'
describe "Directory", ->
directory = null
beforeEach ->
directory = new Directory(require.resolve('fixtures'))
afterEach ->
directory.off()
describe "when the contents of the directory change on disk", ->
temporaryFilePath = null
beforeEach ->
temporaryFilePath = fs.join(require.resolve('fixtures'), 'temporary')
fs.remove(temporaryFilePath) if fs.exists(temporaryFilePath)
afterEach ->
fs.remove(temporaryFilePath) if fs.exists(temporaryFilePath)
it "triggers 'contents-change' event handlers", ->
changeHandler = null
runs ->
changeHandler = jasmine.createSpy('changeHandler')
directory.on 'contents-change', changeHandler
fs.write(temporaryFilePath, '')
waitsFor "first change", -> changeHandler.callCount > 0
runs ->
changeHandler.reset()
fs.remove(temporaryFilePath)
waitsFor "second change", -> changeHandler.callCount > 0
describe "when the directory unsubscribes from events", ->
temporaryFilePath = null
beforeEach ->
temporaryFilePath = fs.join(directory.path, 'temporary')
fs.remove(temporaryFilePath) if fs.exists(temporaryFilePath)
afterEach ->
fs.remove(temporaryFilePath) if fs.exists(temporaryFilePath)
it "no longer triggers events", ->
changeHandler = null
runs ->
changeHandler = jasmine.createSpy('changeHandler')
directory.on 'contents-change', changeHandler
fs.write(temporaryFilePath, '')
waitsFor "change event", -> changeHandler.callCount > 0
runs ->
changeHandler.reset()
directory.off()
waits 20
runs -> fs.remove(temporaryFilePath)
waits 20
runs -> expect(changeHandler.callCount).toBe 0