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76 lines
2.2 KiB
CoffeeScript
76 lines
2.2 KiB
CoffeeScript
sinon = require('sinon')
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chai = require('chai')
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should = chai.should()
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modulePath = "../../../../app/js/LockManager.js"
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SandboxedModule = require('sandboxed-module')
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describe 'LockManager - getting the lock', ->
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beforeEach ->
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@LockManager = SandboxedModule.require modulePath, requires:
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"logger-sharelatex": log:->
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"redis-sharelatex":
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createClient : () =>
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auth:->
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"./Metrics": {inc: () ->}
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@callback = sinon.stub()
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@doc_id = "doc-id-123"
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describe "when the lock is not set", ->
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beforeEach (done) ->
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@lockValue = "mock-lock-value"
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@LockManager.tryLock = sinon.stub().callsArgWith(1, null, true, @lockValue)
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@LockManager.getLock @doc_id, (args...) =>
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@callback(args...)
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done()
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it "should try to get the lock", ->
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@LockManager.tryLock
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.calledWith(@doc_id)
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.should.equal true
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it "should only need to try once", ->
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@LockManager.tryLock.callCount.should.equal 1
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it "should return the callback with the lock value", ->
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@callback.calledWith(null, @lockValue).should.equal true
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describe "when the lock is initially set", ->
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beforeEach (done) ->
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@lockValue = "mock-lock-value"
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startTime = Date.now()
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tries = 0
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@LockManager.LOCK_TEST_INTERVAL = 5
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@LockManager.tryLock = (doc_id, callback = (error, isFree) ->) =>
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if (Date.now() - startTime < 20) or (tries < 2)
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tries = tries + 1
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callback null, false
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else
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callback null, true, @lockValue
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sinon.spy @LockManager, "tryLock"
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@LockManager.getLock @doc_id, (args...) =>
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@callback(args...)
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done()
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it "should call tryLock multiple times until free", ->
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(@LockManager.tryLock.callCount > 1).should.equal true
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it "should return the callback with the lock value", ->
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@callback.calledWith(null, @lockValue).should.equal true
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describe "when the lock times out", ->
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beforeEach (done) ->
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time = Date.now()
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@LockManager.MAX_LOCK_WAIT_TIME = 5
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@LockManager.tryLock = sinon.stub().callsArgWith(1, null, false)
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@LockManager.getLock @doc_id, (args...) =>
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@callback(args...)
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done()
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it "should return the callback with an error", ->
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e = new Error("Timeout")
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e.doc_id = @doc_id
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@callback.calledWith(e).should.equal true
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