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76 lines
No EOL
2.7 KiB
CoffeeScript
76 lines
No EOL
2.7 KiB
CoffeeScript
require('chai').should()
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expect = require("chai").expect
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SandboxedModule = require('sandboxed-module')
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modulePath = '../../../app/js/EventLogger'
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sinon = require("sinon")
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tk = require "timekeeper"
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describe 'EventLogger', ->
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beforeEach ->
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@start = Date.now()
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tk.freeze(new Date(@start))
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@EventLogger = SandboxedModule.require modulePath, requires:
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"logger-sharelatex": @logger = {error: sinon.stub()}
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"metrics-sharelatex": @metrics = {inc: sinon.stub()}
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@channel = "applied-ops"
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@id_1 = "random-hostname:abc-1"
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@message_1 = "message-1"
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@id_2 = "random-hostname:abc-2"
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@message_2 = "message-2"
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afterEach ->
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tk.reset()
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describe 'checkEventOrder', ->
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describe 'when the events are in order', ->
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beforeEach ->
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@EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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@status = @EventLogger.checkEventOrder(@channel, @id_2, @message_2)
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it 'should accept events in order', ->
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expect(@status).to.be.undefined
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it 'should increment the valid event metric', ->
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@metrics.inc.calledWith("event.#{@channel}.valid", 1)
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.should.equal.true
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describe 'when there is a duplicate events', ->
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beforeEach ->
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@EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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@status = @EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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it 'should return "duplicate" for the same event', ->
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expect(@status).to.equal "duplicate"
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it 'should increment the duplicate event metric', ->
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@metrics.inc.calledWith("event.#{@channel}.duplicate", 1)
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.should.equal.true
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describe 'when there are out of order events', ->
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beforeEach ->
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@EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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@EventLogger.checkEventOrder(@channel, @id_2, @message_2)
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@status = @EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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it 'should return "out-of-order" for the event', ->
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expect(@status).to.equal "out-of-order"
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it 'should increment the out-of-order event metric', ->
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@metrics.inc.calledWith("event.#{@channel}.out-of-order", 1)
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.should.equal.true
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describe 'after MAX_STALE_TIME_IN_MS', ->
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it 'should flush old entries', ->
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@EventLogger.MAX_EVENTS_BEFORE_CLEAN = 10
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@EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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for i in [1..8]
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status = @EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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expect(status).to.equal "duplicate"
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# the next event should flush the old entries aboce
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@EventLogger.MAX_STALE_TIME_IN_MS=1000
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tk.freeze(new Date(@start + 5 * 1000))
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# because we flushed the entries this should not be a duplicate
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@EventLogger.checkEventOrder(@channel, 'other-1', @message_2)
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status = @EventLogger.checkEventOrder(@channel, @id_1, @message_1)
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expect(status).to.be.undefined |