overleaf/services/document-updater/test/unit/coffee/TrackChangesManager/TrackChangesManagerTests.coffee

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 = { redis: web: {} }
"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub() }
"redis-sharelatex": createClient: () => @rclient = {}
@project_id = "mock-project-id"
@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 @project_id, @doc_id, @callback
it "should send a request to the track changes api", ->
@request.post
.calledWith("#{@Settings.apis.trackchanges.url}/project/#{@project_id}/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 @project_id, @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 = { op: [{ i: "foo", p: 4 }] }
@rclient.multi = sinon.stub().returns(@multi = {})
@multi.rpush = sinon.stub()
@multi.sadd = sinon.stub()
@multi.exec = sinon.stub().yields(null, [@length = 42, "foo"])
@TrackChangesManager.flushDocChanges = sinon.stub().callsArg(2)
describe "pushing the op", ->
beforeEach ->
@TrackChangesManager.pushUncompressedHistoryOp @project_id, @doc_id, @op, @callback
it "should push the op into redis", ->
@multi.rpush
.calledWith("UncompressedHistoryOps:#{@doc_id}", JSON.stringify @op)
.should.equal true
@multi.sadd
.calledWith("DocsWithHistoryOps:#{@project_id}", @doc_id)
.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 ->
@multi.exec = sinon.stub().yields(null, [2 * @TrackChangesManager.FLUSH_EVERY_N_OPS, "foo"])
@TrackChangesManager.pushUncompressedHistoryOp @project_id, @doc_id, @op, @callback
it "should tell the track changes api to flush", ->
@TrackChangesManager.flushDocChanges
.calledWith(@project_id, @doc_id)
.should.equal true
describe "when TrackChangesManager errors", ->
beforeEach ->
@multi.exec = sinon.stub().yields(null, [2 * @TrackChangesManager.FLUSH_EVERY_N_OPS, "foo"])
@TrackChangesManager.flushDocChanges = sinon.stub().callsArgWith(2, @error = new Error("oops"))
@TrackChangesManager.pushUncompressedHistoryOp @project_id, @doc_id, @op, @callback
it "should log out the error", ->
@logger.error
.calledWith(
err: @error
doc_id: @doc_id
project_id: @project_id
"error flushing doc to track changes api"
)
.should.equal true