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86 lines
2.9 KiB
CoffeeScript
86 lines
2.9 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 - trying 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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set: @set = sinon.stub()
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"./Metrics": {inc: () ->}
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"settings-sharelatex": {
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redis:
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lock:
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key_schema:
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blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
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}
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"./Profiler": @Profiler = class Profiler
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log: sinon.stub().returns { end: sinon.stub() }
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end: sinon.stub()
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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 ->
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@lockValue = "mock-lock-value"
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@LockManager.randomLock = sinon.stub().returns @lockValue
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@set.callsArgWith(5, null, "OK")
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@LockManager.tryLock @doc_id, @callback
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it "should set the lock key with an expiry if it is not set", ->
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@set.calledWith("Blocking:#{@doc_id}", @lockValue, "EX", 30, "NX")
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.should.equal true
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it "should return the callback with true and the lock value", ->
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@callback.calledWith(null, true, @lockValue).should.equal true
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describe "when the lock is already set", ->
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beforeEach ->
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@set.callsArgWith(5, null, null)
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@LockManager.tryLock @doc_id, @callback
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it "should return the callback with false", ->
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@callback.calledWith(null, false).should.equal true
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describe "when it takes a long time for redis to set the lock", ->
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beforeEach ->
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@Profiler.prototype.end = () -> 7000 # take a long time
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@Profiler.prototype.log = sinon.stub().returns { end: @Profiler.prototype.end }
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@lockValue = "mock-lock-value"
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@LockManager.randomLock = sinon.stub().returns @lockValue
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@LockManager.releaseLock = sinon.stub().callsArgWith(2,null)
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@set.callsArgWith(5, null, "OK")
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describe "in all cases", ->
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beforeEach ->
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@LockManager.tryLock @doc_id, @callback
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it "should set the lock key with an expiry if it is not set", ->
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@set.calledWith("Blocking:#{@doc_id}", @lockValue, "EX", 30, "NX")
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.should.equal true
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it "should try to release the lock", ->
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@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
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describe "if the lock is released successfully", ->
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beforeEach ->
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@LockManager.releaseLock = sinon.stub().callsArgWith(2,null)
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@LockManager.tryLock @doc_id, @callback
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it "should return the callback with false", ->
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@callback.calledWith(null, false).should.equal true
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describe "if the lock has already timed out", ->
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beforeEach ->
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@LockManager.releaseLock = sinon.stub().callsArgWith(2, new Error("tried to release timed out lock"))
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@LockManager.tryLock @doc_id, @callback
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it "should return the callback with an error", ->
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e = new Error("tried to release timed out lock")
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@callback.calledWith(e).should.equal true
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