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unit tests for locking timeouts

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This commit is contained in:
Brian Gough 2017-07-12 10:45:44 +01:00
parent bb0dc4b4d5
commit d2730c8d6b
1 changed files with 37 additions and 1 deletions
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38
services/document-updater/test/unit/coffee/LockManager/tryLockTests.coffee
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@ -19,7 +19,7 @@ describe 'LockManager - trying the lock', ->
key_schema:
blockingKey: ({doc_id}) -> "Blocking:#{doc_id}"
}
"./Profiler": class Profiler
"./Profiler": @Profiler = class Profiler
log: sinon.stub().returns { end: sinon.stub() }
end: sinon.stub()
@ -48,3 +48,39 @@ describe 'LockManager - trying the lock', ->
it "should return the callback with false", ->
@callback.calledWith(null, false).should.equal true
describe "when it takes a long time for redis to set the lock", ->
beforeEach ->
@Profiler.prototype.end = () -> 7000 # take a long time
@Profiler.prototype.log = sinon.stub().returns { end: @Profiler.prototype.end }
@lockValue = "mock-lock-value"
@LockManager.randomLock = sinon.stub().returns @lockValue
@LockManager.releaseLock = sinon.stub().callsArgWith(2,null)
@set.callsArgWith(5, null, "OK")
describe "in all cases", ->
beforeEach ->
@LockManager.tryLock @doc_id, @callback
it "should set the lock key with an expiry if it is not set", ->
@set.calledWith("Blocking:#{@doc_id}", @lockValue, "EX", 30, "NX")
.should.equal true
it "should try to release the lock", ->
@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
describe "if the lock is released successfully", ->
beforeEach ->
@LockManager.releaseLock = sinon.stub().callsArgWith(2,null)
@LockManager.tryLock @doc_id, @callback
it "should return the callback with false", ->
@callback.calledWith(null, false).should.equal true
describe "if the lock has already timed out", ->
beforeEach ->
@LockManager.releaseLock = sinon.stub().callsArgWith(2, new Error("tried to release timed out lock"))
@LockManager.tryLock @doc_id, @callback
it "should return the callback with an error", ->
e = new Error("tried to release timed out lock")
@callback.calledWith(e).should.equal true