overleaf/services/web/test/unit/coffee/Project/ProjectEntityMongoUpdateHandlerTests.coffee
Brian Gough c704312c85 Merge pull request #1625 from sharelatex/bg-move-entities-safely
move project entities safely without losing data on error

GitOrigin-RevId: 864fcf14af1045154e9deb7d02a4f2d508e6021e
2019-03-18 09:30:28 +00:00

714 lines
24 KiB
CoffeeScript

chai = require('chai')
expect = chai.expect
assert = require('chai').assert
should = chai.should()
sinon = require 'sinon'
tk = require("timekeeper")
modulePath = "../../../../app/js/Features/Project/ProjectEntityMongoUpdateHandler"
Errors = require "../../../../app/js/Features/Errors/Errors"
ObjectId = require("mongoose").Types.ObjectId
SandboxedModule = require('sandboxed-module')
describe 'ProjectEntityMongoUpdateHandler', ->
project_id = '4eecb1c1bffa66588e0000a1'
doc_id = '4eecb1c1bffa66588e0000a2'
file_id = '4eecb1c1bffa66588e0000a3'
folder_id = "4eecaffcbffa66588e000008"
beforeEach ->
@FolderModel = class Folder
constructor:(options)->
{@name} = options
@._id = "folder_id"
@docName = "doc-name"
@fileName = "something.jpg"
@project = _id: project_id, name: 'project name'
@callback = sinon.stub()
tk.freeze(Date.now())
@subject = SandboxedModule.require modulePath, requires:
'logger-sharelatex': @logger = {log:sinon.stub(), error: sinon.stub(), err:->}
"settings-sharelatex":@settings = {
maxEntitiesPerProject: 100
}
"../Cooldown/CooldownManager": @CooldownManager = {}
'../../models/Folder': Folder:@FolderModel
"../../infrastructure/LockManager":@LockManager =
runWithLock:
sinon.spy((namespace, id, runner, callback) -> runner(callback))
'../../models/Project': Project:@ProjectModel = {}
'./ProjectEntityHandler': @ProjectEntityHandler = {}
'./ProjectLocator': @ProjectLocator = {}
"./ProjectGetter": @ProjectGetter =
getProjectWithoutLock: sinon.stub().yields(null, @project)
afterEach ->
tk.reset()
describe 'addDoc', ->
beforeEach ->
@subject._confirmFolder = sinon.stub().yields(folder_id)
@subject._putElement = sinon.stub()
@doc = _id: doc_id
@subject.addDoc project_id, folder_id, @doc, @callback
it 'gets the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'checks the folder exists', ->
@subject._confirmFolder
.calledWith(@project, folder_id)
.should.equal true
it 'puts the element in mongo', ->
@subject._putElement
.calledWith(@project, folder_id, @doc, 'doc', @callback)
.should.equal true
describe 'addFile', ->
beforeEach ->
@subject._confirmFolder = sinon.stub().yields(folder_id)
@subject._putElement = sinon.stub()
@file = _id: file_id
@subject.addFile project_id, folder_id, @file, @callback
it 'gets the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'checks the folder exists', ->
@subject._confirmFolder
.calledWith(@project, folder_id)
.should.equal true
it 'puts the element in mongo', ->
@subject._putElement
.calledWith(@project, folder_id, @file, 'file', @callback)
.should.equal true
describe 'replaceFileWithNew', ->
beforeEach ->
@file = _id: file_id
@path = mongo: 'file.png'
@newFile = _id: 'new-file-id'
@newFile.linkedFileData = @linkedFileData = {provider: 'url'}
@newProject = "new-project"
@ProjectLocator.findElement = sinon.stub().yields(null, @file, @path)
@ProjectModel.findOneAndUpdate = sinon.stub().yields(null, @newProject)
@ProjectModel.update = sinon.stub().yields()
@subject.replaceFileWithNew project_id, file_id, @newFile, @callback
it 'gets the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'finds the existing element', ->
@ProjectLocator.findElement
.calledWith({ @project, element_id: file_id, type: 'file' })
.should.equal true
it 'inserts a deletedFile reference for the old file', ->
@ProjectModel.update
.calledWith({ _id: project_id },
{
$push: {
deletedFiles: {
_id: file_id
name: @file.name
linkedFileData: @file.linkedFileData
deletedAt: new Date()
}
}
}
)
.should.equal true
it 'increments the project version and sets the rev and created_at', ->
@ProjectModel.findOneAndUpdate
.calledWith(
{ _id: project_id },
{
'$inc': { 'version': 1, 'file.png.rev': 1 }
'$set': { 'file.png._id': @newFile._id, 'file.png.created': new Date(), 'file.png.linkedFileData': @linkedFileData }
},
{new: true}
)
.should.equal true
it 'calls the callback', ->
@callback.calledWith(null, @file, @project, @path, @newProject).should.equal true
describe 'mkdirp', ->
beforeEach ->
@parentFolder_id = "1jnjknjk"
@newFolder = {_id:"newFolder_id_here"}
@lastFolder = {_id:"123das", folders:[]}
@rootFolder = {_id: "rootFolderId" }
@project = _id: project_id, rootFolder: [@rootFolder]
@ProjectGetter.getProjectWithOnlyFolders = sinon.stub().yields(null, @project)
@ProjectLocator.findElementByPath = ->
sinon.stub @ProjectLocator, "findElementByPath", (options, cb) =>
{path} = options
@parentFolder = {_id:"parentFolder_id_here"}
lastFolder = path.substring(path.lastIndexOf("/"))
if lastFolder.indexOf("level1") == -1
cb "level1 is not the last foler "
else
cb null, @parentFolder
@subject.addFolder =
withoutLock: (project_id, parentFolder_id, folderName, callback) =>
callback null, {name:folderName}, @parentFolder_id
it 'should return the root folder if the path is just a slash', (done)->
path = "/"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder)=>
lastFolder.should.deep.equal @rootFolder
assert.equal lastFolder.parentFolder_id, undefined
done()
it 'should make just one folder', (done)->
path = "/differentFolder/"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder)=>
folders.length.should.equal 1
lastFolder.name.should.equal "differentFolder"
lastFolder.parentFolder_id.should.equal @parentFolder_id
done()
it 'should make the final folder in path if it doesnt exist with one level', (done)->
path = "level1/level2"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder)=>
folders.length.should.equal 1
lastFolder.name.should.equal "level2"
lastFolder.parentFolder_id.should.equal @parentFolder_id
done()
it 'should make the final folder in path if it doesnt exist with mutliple levels', (done)->
path = "level1/level2/level3"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder) =>
folders.length.should.equal 2
folders[0].name.should.equal "level2"
folders[0].parentFolder_id.should.equal @parentFolder_id
lastFolder.name.should.equal "level3"
lastFolder.parentFolder_id.should.equal @parentFolder_id
done()
it 'should work with slashes either side', (done)->
path = "/level1/level2/level3/"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder)=>
folders.length.should.equal 2
folders[0].name.should.equal "level2"
folders[0].parentFolder_id.should.equal @parentFolder_id
lastFolder.name.should.equal "level3"
lastFolder.parentFolder_id.should.equal @parentFolder_id
done()
it 'should use a case-insensitive match by default', (done)->
path = "/differentFolder/"
@subject.mkdirp project_id, path, {}, (err, folders, lastFolder)=>
@ProjectLocator.findElementByPath.calledWithMatch({exactCaseMatch:undefined})
.should.equal true
done()
it 'should use a case-sensitive match if exactCaseMatch option is set', (done)->
path = "/differentFolder/"
@subject.mkdirp project_id, path, {exactCaseMatch:true}, (err, folders, lastFolder)=>
@ProjectLocator.findElementByPath.calledWithMatch({exactCaseMatch:true})
.should.equal true
done()
describe 'moveEntity', ->
beforeEach ->
@pathAfterMove = {
fileSystem: "/somewhere/else.txt"
}
@ProjectEntityHandler.getAllEntitiesFromProject = sinon.stub()
@ProjectEntityHandler.getAllEntitiesFromProject
.onFirstCall()
.yields(null, @oldDocs = ['old-doc'], @oldFiles = ['old-file'])
@ProjectEntityHandler.getAllEntitiesFromProject
.onSecondCall()
.yields(null, @newDocs = ['new-doc'], @newFiles = ['new-file'])
@doc = {lines:["1234","312343d"], rev: "1234"}
@path = { mongo:"folders[0]", fileSystem:"/old_folder/somewhere.txt" }
@newProject = "new-project"
@ProjectLocator.findElement = sinon.stub()
.withArgs({@project, element_id: @docId, type: 'docs'})
.yields(null, @doc, @path)
@subject._checkValidMove = sinon.stub().yields()
@subject._removeElementFromMongoArray = sinon.stub().yields(null, @newProject)
@subject._putElement = sinon.stub().yields(null, path: @pathAfterMove, @newProject)
@subject.moveEntity project_id, doc_id, folder_id, "docs", @callback
it 'should get the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'should find the doc to move', ->
@ProjectLocator.findElement
.calledWith({element_id: doc_id, type: "docs", project: @project })
.should.equal true
it 'should check this is a valid move', ->
@subject._checkValidMove
.calledWith(@project, 'docs', @doc, @path, folder_id)
.should.equal true
it "should put the element in the new folder", ->
@subject._putElement
.calledWith(@project, folder_id, @doc, "docs")
.should.equal true
it 'should remove the element from its current position', ->
@subject._removeElementFromMongoArray
.calledWith(@ProjectModel, project_id, @path.mongo)
.should.equal true
it 'should remove the element from its current position after putting the element in the new folder', ->
@subject._removeElementFromMongoArray
.calledAfter(@subject._putElement)
.should.equal true
it "calls the callback", ->
changes = { @oldDocs, @newDocs, @oldFiles, @newFiles, @newProject }
@callback.calledWith(
null, @project, @path.fileSystem, @pathAfterMove.fileSystem, @doc.rev, changes
).should.equal true
describe 'moveEntity must refuse to move the folder to a subfolder of itself', ->
beforeEach ->
@pathAfterMove = {
fileSystem: "/somewhere/else.txt"
}
@doc = {lines:["1234","312343d"], rev: "1234"}
@path = { mongo:"folders[0]", fileSystem:"/old_folder/somewhere.txt" }
@newProject = "new-project"
@ProjectLocator.findElement = sinon.stub()
.withArgs({@project, element_id: @docId, type: 'docs'})
.yields(null, @doc, @path)
# return an error when moving a folder to a subfolder of itself
@subject._checkValidMove = sinon.stub().yields(new Error())
@subject._removeElementFromMongoArray = sinon.stub().yields(null, @project)
@subject._putElement = sinon.stub().yields(null, path: @pathAfterMove, @newProject)
@subject.moveEntity project_id, doc_id, folder_id, "docs", @callback
it 'should get the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'should find the doc to move', ->
@ProjectLocator.findElement
.calledWith({element_id: doc_id, type: "docs", project: @project })
.should.equal true
it 'should check this is an invalid move', ->
@subject._checkValidMove
.calledWith(@project, 'docs', @doc, @path, folder_id)
.should.equal true
it "should not put the element in the new folder", ->
@subject._putElement.called
.should.equal false
it 'should not remove the element from its current position', ->
@subject._removeElementFromMongoArray.called
.should.equal false
it "calls the callback with an error", ->
@callback.calledWith(
new Error()
).should.equal true
describe 'deleteEntity', ->
beforeEach ->
@path = mongo: "mongo.path", fileSystem: "/file/system/path"
@doc = _id: doc_id
@ProjectLocator.findElement = sinon.stub().callsArgWith(1, null, @doc, @path)
@subject._removeElementFromMongoArray = sinon.stub().yields()
@subject.deleteEntity project_id, doc_id, 'doc', @callback
it "should get the project", ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it "should find the element", ->
@ProjectLocator.findElement
.calledWith({@project, element_id: @doc._id, type: 'doc'})
.should.equal true
it "should remove the element from the database", ->
@subject._removeElementFromMongoArray
.calledWith(@ProjectModel, project_id, @path.mongo)
.should.equal true
it "calls the callbck", ->
@callback.calledWith(null, @doc, @path, @project).should.equal true
describe "renameEntity", ->
beforeEach ->
@newName = "new.tex"
@path = mongo: "mongo.path", fileSystem: "/old.tex"
@project =
_id: ObjectId(project_id)
rootFolder: [_id:ObjectId()]
@doc = _id: doc_id, name: "old.tex", rev: 1
@folder = _id: folder_id
@newProject = "new-project"
@ProjectGetter.getProjectWithoutLock = sinon.stub().yields(null, @project)
@ProjectEntityHandler.getAllEntitiesFromProject = sinon.stub()
@ProjectEntityHandler.getAllEntitiesFromProject
.onFirstCall()
.yields( null, @oldDocs = ['old-doc'], @oldFiles = ['old-file'])
@ProjectEntityHandler.getAllEntitiesFromProject
.onSecondCall()
.yields( null, @newDocs = ['new-doc'], @newFiles = ['new-file'])
@ProjectLocator.findElement = sinon.stub().yields(null, @doc, @path, @folder)
@subject._checkValidElementName = sinon.stub().yields()
@ProjectModel.findOneAndUpdate = sinon.stub().callsArgWith(3, null, @newProject)
@subject.renameEntity project_id, doc_id, 'doc', @newName, @callback
it 'should get the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'should find the doc', ->
@ProjectLocator.findElement
.calledWith({element_id: doc_id, type: 'doc', project: @project })
.should.equal true
it 'should check the new name is valid', ->
@subject._checkValidElementName
.calledWith(@folder, @newName)
.should.equal true
it 'should update the doc name', ->
@ProjectModel.findOneAndUpdate
.calledWith(
{ _id: project_id },
{ $set: { "mongo.path.name": @newName }, $inc: {"version": 1} },
{ new: true }
).should.equal true
it 'calls the callback', ->
changes = { @oldDocs, @newDocs, @oldFiles, @newFiles, @newProject }
@callback.calledWith(
null, @project, '/old.tex', '/new.tex', @doc.rev, changes
).should.equal true
describe 'addFolder', ->
beforeEach ->
@folderName = "folder1234"
@ProjectGetter.getProjectWithOnlyFolders = sinon.stub().callsArgWith(1, null, @project)
@subject._confirmFolder = sinon.stub().yields(folder_id)
@subject._putElement = sinon.stub().yields()
@subject.addFolder project_id, folder_id, @folderName, @callback
it 'gets the project', ->
@ProjectGetter.getProjectWithoutLock
.calledWith(project_id, {rootFolder:true, name:true, overleaf:true})
.should.equal true
it 'checks the parent folder exists', ->
@subject._confirmFolder
.calledWith(@project, folder_id)
.should.equal true
it 'puts the element in mongo', ->
folderMatcher = sinon.match (folder) =>
folder.name == @folderName
@subject._putElement
.calledWithMatch(@project, folder_id, folderMatcher, 'folder')
.should.equal true
it 'calls the callback', ->
folderMatcher = sinon.match (folder) =>
folder.name == @folderName
@callback.calledWithMatch(null, folderMatcher, folder_id).should.equal true
describe '_removeElementFromMongoArray ', ->
beforeEach ->
@mongoPath = "folders[0].folders[5]"
@id = "12344"
@ProjectModel.update = sinon.stub().yields()
@ProjectModel.findOneAndUpdate = sinon.stub().yields(null, @project)
@subject._removeElementFromMongoArray @ProjectModel, @id, @mongoPath, @callback
it 'should unset', ->
update = { '$unset': { } }
update['$unset'][@mongoPath] = 1
@ProjectModel.update
.calledWith({ _id: @id }, update, {})
.should.equal true
it 'should pull', ->
@ProjectModel.findOneAndUpdate
.calledWith({ _id: @id }, { '$pull': { 'folders[0]': null }, '$inc': {'version': 1} }, {'new': true})
.should.equal true
it 'should call the callback', ->
@callback.calledWith(null, @project).should.equal true
describe "_countElements", ->
beforeEach ->
@project =
_id: project_id,
rootFolder: [
docs: [{_id:123}, {_id:345}]
fileRefs: [{_id:123}, {_id:345}, {_id:456}]
folders: [
{
docs: [{_id:123}, {_id:345}, {_id:456}]
fileRefs:{}
folders: [
{
docs:[_id:1234],
fileRefs:[{_id:23123}, {_id:123213}, {_id:2312}]
folders:[
{
docs:[{_id:321321}, {_id:123213}]
fileRefs:[{_id:312321}]
folders:[]
}
]
}
]
},{
docs:[{_id:123}, {_id:32131}]
fileRefs:[]
folders:[
{
docs:[{_id:3123}]
fileRefs:[{_id:321321}, {_id:321321}, {_id:313122}]
folders:0
}
]
}
]
]
it "should return the correct number", ->
expect(@subject._countElements @project).to.equal(26)
it "should deal with null folders", ->
@project.rootFolder[0].folders[0].folders = undefined
expect(@subject._countElements @project).to.equal(17)
it "should deal with null docs", ->
@project.rootFolder[0].folders[0].docs = undefined
expect(@subject._countElements @project).to.equal(23)
it "should deal with null fileRefs", ->
@project.rootFolder[0].folders[0].folders[0].fileRefs = undefined
expect(@subject._countElements @project).to.equal(23)
describe "_putElement", ->
beforeEach ->
@project =
_id: project_id
rootFolder: [_id:ObjectId()]
@folder =
_id: ObjectId()
name: "someFolder"
docs: [ {name: "another-doc.tex"} ]
fileRefs: [ {name: "another-file.tex"} ]
folders: [ {name: "another-folder"} ]
@doc =
_id: ObjectId()
name: "new.tex"
@path = mongo: "mongo.path", fileSystem: "/file/system/old.tex"
@ProjectLocator.findElement = sinon.stub().yields(null, @folder, @path)
@ProjectModel.findOneAndUpdate = sinon.stub().yields(null, @project)
describe "updating the project", ->
it "should use the correct mongo path", (done)->
@subject._putElement @project, @folder._id, @doc, "docs", (err)=>
@ProjectModel.findOneAndUpdate.args[0][0]._id.should.equal @project._id
assert.deepEqual @ProjectModel.findOneAndUpdate.args[0][1].$push[@path.mongo+".docs"], @doc
done()
it "should return the project in the callback", (done)->
@subject._putElement @project, @folder._id, @doc, "docs", (err, path, project)=>
assert.equal project, @project
done()
it "should add an s onto the type if not included", (done)->
@subject._putElement @project, @folder._id, @doc, "doc", (err)=>
assert.deepEqual @ProjectModel.findOneAndUpdate.args[0][1].$push[@path.mongo+".docs"], @doc
done()
it "should not call update if element is null", (done)->
@subject._putElement @project, @folder._id, null, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
done()
it "should default to root folder insert", (done)->
@subject._putElement @project, null, @doc, "doc", (err)=>
@ProjectLocator.findElement.args[0][0].element_id.should.equal @project.rootFolder[0]._id
done()
it "should error if the element has no _id", (done)->
doc =
name:"something"
@subject._putElement @project, @folder._id, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
done()
it "should error if element name contains invalid characters", (done)->
doc =
_id: ObjectId()
name: "something*bad"
@subject._putElement @project, @folder._id, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("invalid element name")
done()
it "should error if element name is too long", (done)->
doc =
_id: ObjectId()
name: new Array(200).join("long-") + "something"
@subject._putElement @project, @folder._id, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("invalid element name")
done()
it "should error if the folder name is too long", (done)->
@path =
mongo: "mongo.path",
fileSystem: new Array(200).join("subdir/") + "foo"
@ProjectLocator.findElement.callsArgWith(1, null, @folder, @path)
doc =
_id: ObjectId()
name: "something"
@subject._putElement @project, @folder._id, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("path too long")
done()
it "should error if a document already exists with the same name", (done)->
doc =
_id: ObjectId()
name: "another-doc.tex"
@subject._putElement @project, @folder, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("file already exists")
done()
it "should error if a file already exists with the same name", (done)->
doc =
_id: ObjectId()
name: "another-file.tex"
@subject._putElement @project, @folder, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("file already exists")
done()
it "should error if a folder already exists with the same name", (done)->
doc =
_id: ObjectId()
name: "another-folder"
@subject._putElement @project, @folder, doc, "doc", (err)=>
@ProjectModel.findOneAndUpdate.called.should.equal false
err.should.deep.equal new Errors.InvalidNameError("file already exists")
done()
describe '_checkValidElementName', ->
beforeEach ->
@folder =
docs: [ name: 'doc_name' ]
fileRefs: [ name: 'file_name' ]
folders: [ name: 'folder_name' ]
it 'returns an error if name matches any doc name', ->
@subject._checkValidElementName @folder, 'doc_name', (err) ->
expect(err).to.deep.equal new Errors.InvalidNameError("file already exists")
it 'returns an error if name matches any file name', ->
@subject._checkValidElementName @folder, 'file_name', (err) ->
expect(err).to.deep.equal new Errors.InvalidNameError("file already exists")
it 'returns an error if name matches any folder name', ->
@subject._checkValidElementName @folder, 'folder_name', (err) ->
expect(err).to.deep.equal new Errors.InvalidNameError("file already exists")
it 'returns nothing if name is valid', ->
@subject._checkValidElementName @folder, 'unique_name', (err) ->
expect(err).to.be.undefined
describe '_checkValidMove', ->
beforeEach ->
@destFolder = _id: folder_id
@destFolderPath = fileSystem: '/foo/bar'
@ProjectLocator.findElement = sinon.stub().yields(null, @destFolder, @destFolderPath)
@subject._checkValidElementName = sinon.stub().yields()
it 'checks the element name is valid', ->
@doc = _id: doc_id, name: 'doc_name'
@subject._checkValidMove @project, 'doc', @doc, fileSystem: '/main.tex', @destFolder._id, (err) =>
expect(err).to.be.undefined
@subject._checkValidElementName
.calledWith(@destFolder, @doc.name)
.should.equal true
it 'returns an error if trying to move a folder inside itself', ->
folder = name: 'folder_name'
@subject._checkValidMove @project, 'folder', folder, fileSystem: '/foo', @destFolder._id, (err) =>
expect(err).to.deep.equal new Errors.InvalidNameError("destination folder is a child folder of me")
describe "_insertDeletedDocReference", ->
beforeEach ->
@doc =
_id: ObjectId()
name: "test.tex"
@callback = sinon.stub()
@ProjectModel.update = sinon.stub().yields()
@subject._insertDeletedDocReference project_id, @doc, @callback
it "should insert the doc into deletedDocs", ->
@ProjectModel.update
.calledWith({
_id: project_id
}, {
$push: {
deletedDocs: {
_id: @doc._id
name: @doc.name
}
}
})
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true