overleaf/services/real-time/test/unit/coffee/EventLoggerTests.coffee
2019-03-19 14:22:11 +00:00

52 lines
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1.8 KiB
CoffeeScript

require('chai').should()
expect = require("chai").expect
SandboxedModule = require('sandboxed-module')
modulePath = '../../../app/js/EventLogger'
sinon = require("sinon")
tk = require "timekeeper"
describe 'EventLogger', ->
beforeEach ->
@start = Date.now()
tk.freeze(new Date(@start))
@EventLogger = SandboxedModule.require modulePath, requires:
"logger-sharelatex": @logger = {error: sinon.stub()}
@id_1 = "abc-1"
@message_1 = "message-1"
@id_2 = "abc-2"
@message_2 = "message-2"
afterEach ->
tk.reset()
describe 'checkEventOrder', ->
it 'should accept events in order', ->
@EventLogger.checkEventOrder(@id_1, @message_1)
status = @EventLogger.checkEventOrder(@id_2, @message_2)
expect(status).to.be.undefined
it 'should return "duplicate" for the same event', ->
@EventLogger.checkEventOrder(@id_1, @message_1)
status = @EventLogger.checkEventOrder(@id_1, @message_1)
expect(status).to.equal "duplicate"
it 'should log an error for out of order events', ->
@EventLogger.checkEventOrder(@id_1, @message_1)
@EventLogger.checkEventOrder(@id_2, @message_2)
status = @EventLogger.checkEventOrder(@id_1, @message_1)
expect(status).to.be.undefined
it 'should flush old entries', ->
@EventLogger.MAX_EVENTS_BEFORE_CLEAN = 10
@EventLogger.checkEventOrder(@id_1, @message_1)
for i in [1..8]
status = @EventLogger.checkEventOrder(@id_1, @message_1)
expect(status).to.equal "duplicate"
# the next event should flush the old entries aboce
@EventLogger.MAX_STALE_TIME_IN_MS=1000
tk.freeze(new Date(@start + 5 * 1000))
# because we flushed the entries this should not be a duplicate
@EventLogger.checkEventOrder('other-1', @message_2)
status = @EventLogger.checkEventOrder(@id_1, @message_1)
expect(status).to.be.undefined