overleaf/services/document-updater/test/unit/coffee/RealTimeRedisManager/RealTimeRedisManagerTests.coffee
2017-05-12 13:15:59 +01:00

76 lines
2.4 KiB
CoffeeScript

sinon = require('sinon')
chai = require('chai')
should = chai.should()
modulePath = "../../../../app/js/RealTimeRedisManager.js"
SandboxedModule = require('sandboxed-module')
Errors = require "../../../../app/js/Errors"
describe "RealTimeRedisManager", ->
beforeEach ->
@rclient =
auth: () ->
exec: sinon.stub()
@rclient.multi = () => @rclient
@RealTimeRedisManager = SandboxedModule.require modulePath, requires:
"redis-sharelatex": createClient: () => @rclient
"settings-sharelatex":
redis:
realtime: @settings =
key_schema:
pendingUpdates: ({doc_id}) -> "PendingUpdates:#{doc_id}"
"logger-sharelatex": { log: () -> }
@doc_id = "doc-id-123"
@project_id = "project-id-123"
@callback = sinon.stub()
describe "getPendingUpdatesForDoc", ->
beforeEach ->
@rclient.lrange = sinon.stub()
@rclient.ltrim = sinon.stub()
describe "successfully", ->
beforeEach ->
@updates = [
{ op: [{ i: "foo", p: 4 }] }
{ op: [{ i: "foo", p: 4 }] }
]
@jsonUpdates = @updates.map (update) -> JSON.stringify update
@rclient.exec = sinon.stub().callsArgWith(0, null, [@jsonUpdates])
@RealTimeRedisManager.getPendingUpdatesForDoc @doc_id, @callback
it "should get the pending updates", ->
@rclient.lrange
.calledWith("PendingUpdates:#{@doc_id}", 0, 7)
.should.equal true
it "should delete the pending updates", ->
@rclient.ltrim
.calledWith("PendingUpdates:#{@doc_id}", 8, -1)
.should.equal true
it "should call the callback with the updates", ->
@callback.calledWith(null, @updates).should.equal true
describe "when the JSON doesn't parse", ->
beforeEach ->
@jsonUpdates = [
JSON.stringify { op: [{ i: "foo", p: 4 }] }
"broken json"
]
@rclient.exec = sinon.stub().callsArgWith(0, null, [@jsonUpdates])
@RealTimeRedisManager.getPendingUpdatesForDoc @doc_id, @callback
it "should return an error to the callback", ->
@callback.calledWith(new Error("JSON parse error")).should.equal true
describe "getUpdatesLength", ->
beforeEach ->
@rclient.llen = sinon.stub().yields(null, @length = 3)
@RealTimeRedisManager.getUpdatesLength @doc_id, @callback
it "should look up the length", ->
@rclient.llen.calledWith("PendingUpdates:#{@doc_id}").should.equal true
it "should return the length", ->
@callback.calledWith(null, @length).should.equal true