overleaf/services/document-updater/test/unit/coffee/TrackChangesManager/TrackChangesManagerTests.coffee
2014-02-28 19:09:29 +00:00

96 lines
3.5 KiB
CoffeeScript

SandboxedModule = require('sandboxed-module')
sinon = require('sinon')
require('chai').should()
modulePath = require('path').join __dirname, '../../../../app/js/TrackChangesManager'
describe "TrackChangesManager", ->
beforeEach ->
@TrackChangesManager = SandboxedModule.require modulePath, requires:
"request": @request = {}
"settings-sharelatex": @Settings = {}
"logger-sharelatex": @logger = { log: sinon.stub() }
"./RedisManager": @RedisManager = {}
@doc_id = "mock-doc-id"
@callback = sinon.stub()
describe "flushDocChanges", ->
beforeEach ->
@Settings.apis =
trackchanges: url: "http://trackchanges.example.com"
describe "successfully", ->
beforeEach ->
@request.post = sinon.stub().callsArgWith(1, null, statusCode: 204)
@TrackChangesManager.flushDocChanges @doc_id, @callback
it "should send a request to the track changes api", ->
@request.post
.calledWith("#{@Settings.apis.trackchanges.url}/doc/#{@doc_id}/flush")
.should.equal true
it "should return the callback", ->
@callback.calledWith(null).should.equal true
describe "when the track changes api returns an error", ->
beforeEach ->
@request.post = sinon.stub().callsArgWith(1, null, statusCode: 500)
@TrackChangesManager.flushDocChanges @doc_id, @callback
it "should return the callback with an error", ->
@callback.calledWith(new Error("track changes api return non-success code: 500")).should.equal true
describe "pushUncompressedHistoryOp", ->
beforeEach ->
@op = "mock-op"
@TrackChangesManager.flushDocChanges = sinon.stub().callsArg(1)
describe "when the doc is under the load manager threshold", ->
beforeEach ->
@RedisManager.getHistoryLoadManagerThreshold = sinon.stub().callsArgWith(0, null, 40)
@TrackChangesManager.getLoadManagerBucket = sinon.stub().returns(30)
describe "pushing the op", ->
beforeEach ->
@RedisManager.pushUncompressedHistoryOp = sinon.stub().callsArgWith(2, null, 1)
@TrackChangesManager.pushUncompressedHistoryOp @doc_id, @op, @callback
it "should push the op into redis", ->
@RedisManager.pushUncompressedHistoryOp
.calledWith(@doc_id, @op)
.should.equal true
it "should call the callback", ->
@callback.called.should.equal true
it "should not try to flush the op", ->
@TrackChangesManager.flushDocChanges.called.should.equal false
describe "when there are a multiple of FLUSH_EVERY_N_OPS ops", ->
beforeEach ->
@RedisManager.pushUncompressedHistoryOp =
sinon.stub().callsArgWith(2, null, 2 * @TrackChangesManager.FLUSH_EVERY_N_OPS)
@TrackChangesManager.pushUncompressedHistoryOp @doc_id, @op, @callback
it "should tell the track changes api to flush", ->
@TrackChangesManager.flushDocChanges
.calledWith(@doc_id)
.should.equal true
describe "when the doc is over the load manager threshold", ->
beforeEach ->
@RedisManager.getHistoryLoadManagerThreshold = sinon.stub().callsArgWith(0, null, 40)
@TrackChangesManager.getLoadManagerBucket = sinon.stub().returns(50)
@RedisManager.pushUncompressedHistoryOp = sinon.stub().callsArgWith(2, null, 1)
@TrackChangesManager.pushUncompressedHistoryOp @doc_id, @op, @callback
it "should not push the op", ->
@RedisManager.pushUncompressedHistoryOp.called.should.equal false
it "should not try to flush the op", ->
@TrackChangesManager.flushDocChanges.called.should.equal false
it "should call the callback", ->
@callback.called.should.equal true