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135 lines
4.4 KiB
CoffeeScript
135 lines
4.4 KiB
CoffeeScript
sinon = require('sinon')
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chai = require('chai')
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should = chai.should()
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modulePath = "../../../app/js/ShareJsUpdateManager.js"
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SandboxedModule = require('sandboxed-module')
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describe "ShareJsUpdateManager", ->
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beforeEach ->
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@project_id = "project-id-123"
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@doc_id = "document-id-123"
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@callback = sinon.stub()
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@ShareJsUpdateManager = SandboxedModule.require modulePath,
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requires:
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"./sharejs/server/model":
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class Model
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constructor: (@db) ->
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"./ShareJsDB" : @ShareJsDB = { mockDB: true }
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"redis-sharelatex" : createClient: () => @rclient = auth:->
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"logger-sharelatex": @logger = { log: sinon.stub() }
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globals:
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clearTimeout: @clearTimeout = sinon.stub()
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describe "applyUpdates", ->
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beforeEach ->
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@version = 34
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@model =
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applyOp: sinon.stub().callsArg(2)
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getSnapshot: sinon.stub()
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@ShareJsUpdateManager.getNewShareJsModel = sinon.stub().returns(@model)
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@ShareJsUpdateManager._listenForOps = sinon.stub()
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@ShareJsUpdateManager.removeDocFromCache = sinon.stub().callsArg(1)
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@updates = [
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{p: 4, t: "foo"}
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{p: 6, t: "bar"}
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]
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@updatedDocLines = ["one", "two"]
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describe "successfully", ->
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beforeEach (done) ->
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@model.getSnapshot.callsArgWith(1, null, {snapshot: @updatedDocLines.join("\n"), v: @version})
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@ShareJsUpdateManager.applyUpdates @project_id, @doc_id, @updates, (err, docLines, version) =>
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@callback(err, docLines, version)
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done()
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it "should create a new ShareJs model", ->
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@ShareJsUpdateManager.getNewShareJsModel
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.called.should.equal true
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it "should listen for ops on the model", ->
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@ShareJsUpdateManager._listenForOps
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.calledWith(@model)
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.should.equal true
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it "should send each update to ShareJs", ->
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for update in @updates
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@model.applyOp
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.calledWith("#{@project_id}:#{@doc_id}", update).should.equal true
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it "should get the updated doc lines", ->
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@model.getSnapshot
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.calledWith("#{@project_id}:#{@doc_id}")
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.should.equal true
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it "should return the updated doc lines", ->
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@callback.calledWith(null, @updatedDocLines, @version).should.equal true
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describe "when applyOp fails", ->
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beforeEach (done) ->
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@error = new Error("Something went wrong")
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@ShareJsUpdateManager._sendError = sinon.stub()
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@model.applyOp = sinon.stub().callsArgWith(2, @error)
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@ShareJsUpdateManager.applyUpdates @project_id, @doc_id, @updates, (err, docLines, version) =>
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@callback(err, docLines, version)
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done()
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it "should call sendError with the error", ->
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@ShareJsUpdateManager._sendError
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.calledWith(@project_id, @doc_id, @error)
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.should.equal true
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it "should call the callback with the error", ->
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@callback.calledWith(@error).should.equal true
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describe "when getSnapshot fails", ->
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beforeEach (done) ->
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@error = new Error("Something went wrong")
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@ShareJsUpdateManager._sendError = sinon.stub()
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@model.getSnapshot.callsArgWith(1, @error)
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@ShareJsUpdateManager.applyUpdates @project_id, @doc_id, @updates, (err, docLines, version) =>
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@callback(err, docLines, version)
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done()
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it "should call sendError with the error", ->
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@ShareJsUpdateManager._sendError
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.calledWith(@project_id, @doc_id, @error)
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.should.equal true
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it "should call the callback with the error", ->
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@callback.calledWith(@error).should.equal true
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describe "_listenForOps", ->
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beforeEach ->
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@model = on: (event, callback) =>
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@callback = callback
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sinon.spy @model, "on"
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@ShareJsUpdateManager._listenForOps(@model)
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it "should listen to the model for updates", ->
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@model.on.calledWith("applyOp")
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.should.equal true
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describe "the callback", ->
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beforeEach ->
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@opData =
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op: {t: "foo", p: 1}
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meta: source: "bar"
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@rclient.publish = sinon.stub()
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@callback("#{@project_id}:#{@doc_id}", @opData)
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it "should publish the op to redis", ->
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@rclient.publish
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.calledWith("applied-ops", JSON.stringify(project_id: @project_id, doc_id: @doc_id, op: @opData))
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.should.equal true
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describe "_sendError", ->
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beforeEach ->
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@error_text = "Something went wrong"
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@rclient.publish = sinon.stub()
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@ShareJsUpdateManager._sendError(@project_id, @doc_id, new Error(@error_text))
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it "should publish the error to the redis stream", ->
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@rclient.publish
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.calledWith("applied-ops", JSON.stringify(project_id: @project_id, doc_id: @doc_id, error: @error_text))
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.should.equal true
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