mirror of
https://github.com/overleaf/overleaf.git
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344 lines
13 KiB
CoffeeScript
344 lines
13 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/UpdateManager.js"
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SandboxedModule = require('sandboxed-module')
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describe "UpdateManager", ->
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beforeEach ->
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@project_id = "project-id-123"
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@doc_id = "document-id-123"
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@callback = sinon.stub()
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@UpdateManager = SandboxedModule.require modulePath, requires:
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"./LockManager" : @LockManager = {}
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"./RedisManager" : @RedisManager = {}
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"./RealTimeRedisManager" : @RealTimeRedisManager = {}
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"./ShareJsUpdateManager" : @ShareJsUpdateManager = {}
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"./HistoryManager" : @HistoryManager = {}
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"logger-sharelatex": @logger = { log: sinon.stub() }
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"./Metrics": @Metrics =
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Timer: class Timer
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done: sinon.stub()
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"settings-sharelatex": @Settings = {}
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"./DocumentManager": @DocumentManager = {}
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"./RangesManager": @RangesManager = {}
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"./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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describe "processOutstandingUpdates", ->
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beforeEach ->
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@UpdateManager.fetchAndApplyUpdates = sinon.stub().callsArg(2)
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@UpdateManager.processOutstandingUpdates @project_id, @doc_id, @callback
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it "should apply the updates", ->
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@UpdateManager.fetchAndApplyUpdates.calledWith(@project_id, @doc_id).should.equal true
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it "should call the callback", ->
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@callback.called.should.equal true
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it "should time the execution", ->
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@Metrics.Timer::done.called.should.equal true
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describe "processOutstandingUpdatesWithLock", ->
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describe "when the lock is free", ->
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beforeEach ->
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@LockManager.tryLock = sinon.stub().callsArgWith(1, null, true, @lockValue = "mock-lock-value")
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@LockManager.releaseLock = sinon.stub().callsArg(2)
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@UpdateManager.continueProcessingUpdatesWithLock = sinon.stub().callsArg(2)
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArg(2)
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describe "successfully", ->
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beforeEach ->
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@UpdateManager.processOutstandingUpdatesWithLock @project_id, @doc_id, @callback
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it "should acquire the lock", ->
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@LockManager.tryLock.calledWith(@doc_id).should.equal true
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it "should free the lock", ->
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@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
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it "should process the outstanding updates", ->
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@UpdateManager.processOutstandingUpdates.calledWith(@project_id, @doc_id).should.equal true
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it "should do everything with the lock acquired", ->
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@UpdateManager.processOutstandingUpdates.calledAfter(@LockManager.tryLock).should.equal true
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@UpdateManager.processOutstandingUpdates.calledBefore(@LockManager.releaseLock).should.equal true
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it "should continue processing new updates that may have come in", ->
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@UpdateManager.continueProcessingUpdatesWithLock.calledWith(@project_id, @doc_id).should.equal true
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it "should return the callback", ->
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@callback.called.should.equal true
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describe "when processOutstandingUpdates returns an error", ->
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beforeEach ->
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArgWith(2, @error = new Error("Something went wrong"))
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@UpdateManager.processOutstandingUpdatesWithLock @project_id, @doc_id, @callback
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it "should free the lock", ->
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@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
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it "should return the error in the callback", ->
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@callback.calledWith(@error).should.equal true
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describe "when the lock is taken", ->
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beforeEach ->
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@LockManager.tryLock = sinon.stub().callsArgWith(1, null, false)
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArg(2)
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@UpdateManager.processOutstandingUpdatesWithLock @project_id, @doc_id, @callback
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it "should return the callback", ->
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@callback.called.should.equal true
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it "should not process the updates", ->
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@UpdateManager.processOutstandingUpdates.called.should.equal false
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describe "continueProcessingUpdatesWithLock", ->
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describe "when there are outstanding updates", ->
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beforeEach ->
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@RealTimeRedisManager.getUpdatesLength = sinon.stub().callsArgWith(1, null, 3)
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@UpdateManager.processOutstandingUpdatesWithLock = sinon.stub().callsArg(2)
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@UpdateManager.continueProcessingUpdatesWithLock @project_id, @doc_id, @callback
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it "should process the outstanding updates", ->
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@UpdateManager.processOutstandingUpdatesWithLock.calledWith(@project_id, @doc_id).should.equal true
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it "should return the callback", ->
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@callback.called.should.equal true
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describe "when there are no outstanding updates", ->
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beforeEach ->
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@RealTimeRedisManager.getUpdatesLength = sinon.stub().callsArgWith(1, null, 0)
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@UpdateManager.processOutstandingUpdatesWithLock = sinon.stub().callsArg(2)
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@UpdateManager.continueProcessingUpdatesWithLock @project_id, @doc_id, @callback
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it "should not try to process the outstanding updates", ->
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@UpdateManager.processOutstandingUpdatesWithLock.called.should.equal false
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it "should return the callback", ->
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@callback.called.should.equal true
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describe "fetchAndApplyUpdates", ->
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describe "with updates", ->
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beforeEach ->
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@updates = [{p: 1, t: "foo"}]
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@updatedDocLines = ["updated", "lines"]
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@version = 34
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@RealTimeRedisManager.getPendingUpdatesForDoc = sinon.stub().callsArgWith(1, null, @updates)
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@UpdateManager.applyUpdate = sinon.stub().callsArgWith(3, null, @updatedDocLines, @version)
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@UpdateManager.fetchAndApplyUpdates @project_id, @doc_id, @callback
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it "should get the pending updates", ->
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@RealTimeRedisManager.getPendingUpdatesForDoc.calledWith(@doc_id).should.equal true
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it "should apply the updates", ->
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for update in @updates
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@UpdateManager.applyUpdate
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.calledWith(@project_id, @doc_id, update)
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.should.equal true
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it "should call the callback", ->
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@callback.called.should.equal true
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describe "when there are no updates", ->
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beforeEach ->
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@updates = []
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@RealTimeRedisManager.getPendingUpdatesForDoc = sinon.stub().callsArgWith(1, null, @updates)
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@UpdateManager.applyUpdate = sinon.stub()
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@RedisManager.setDocument = sinon.stub()
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@UpdateManager.fetchAndApplyUpdates @project_id, @doc_id, @callback
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it "should not call applyUpdate", ->
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@UpdateManager.applyUpdate.called.should.equal false
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it "should call the callback", ->
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@callback.called.should.equal true
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describe "applyUpdate", ->
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beforeEach ->
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@update = {op: [{p: 42, i: "foo"}]}
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@updatedDocLines = ["updated", "lines"]
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@version = 34
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@lines = ["original", "lines"]
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@ranges = { entries: "mock", comments: "mock" }
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@updated_ranges = { entries: "updated", comments: "updated" }
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@appliedOps = [ {v: 42, op: "mock-op-42"}, { v: 45, op: "mock-op-45" }]
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@doc_ops_length = sinon.stub()
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@project_ops_length = sinon.stub()
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@pathname = '/a/b/c.tex'
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@DocumentManager.getDoc = sinon.stub().yields(null, @lines, @version, @ranges, @pathname)
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@RangesManager.applyUpdate = sinon.stub().yields(null, @updated_ranges)
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@ShareJsUpdateManager.applyUpdate = sinon.stub().yields(null, @updatedDocLines, @version, @appliedOps)
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@RedisManager.updateDocument = sinon.stub().yields(null, @doc_ops_length, @project_ops_length)
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@RealTimeRedisManager.sendData = sinon.stub()
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@UpdateManager._addProjectHistoryMetadataToOps = sinon.stub()
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@HistoryManager.recordAndFlushHistoryOps = sinon.stub().callsArg(5)
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describe "normally", ->
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beforeEach ->
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@UpdateManager.applyUpdate @project_id, @doc_id, @update, @callback
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it "should apply the updates via ShareJS", ->
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@ShareJsUpdateManager.applyUpdate
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.calledWith(@project_id, @doc_id, @update, @lines, @version)
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.should.equal true
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it "should update the ranges", ->
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@RangesManager.applyUpdate
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.calledWith(@project_id, @doc_id, @ranges, @appliedOps, @updatedDocLines)
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.should.equal true
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it "should save the document", ->
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@RedisManager.updateDocument
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.calledWith(@project_id, @doc_id, @updatedDocLines, @version, @appliedOps, @updated_ranges)
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.should.equal true
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it "should add metadata to the ops" , ->
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@UpdateManager._addProjectHistoryMetadataToOps
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.calledWith(@appliedOps, @pathname, @lines)
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.should.equal true
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it "should push the applied ops into the history queue", ->
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@HistoryManager.recordAndFlushHistoryOps
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.calledWith(@project_id, @doc_id, @appliedOps, @doc_ops_length, @project_ops_length)
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.should.equal true
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it "should call the callback", ->
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@callback.called.should.equal true
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describe "with UTF-16 surrogate pairs in the update", ->
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beforeEach ->
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@update = {op: [{p: 42, i: "\uD835\uDC00"}]}
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@UpdateManager.applyUpdate @project_id, @doc_id, @update, @callback
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it "should apply the update but with surrogate pairs removed", ->
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@ShareJsUpdateManager.applyUpdate
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.calledWith(@project_id, @doc_id, @update)
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.should.equal true
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# \uFFFD is 'replacement character'
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@update.op[0].i.should.equal "\uFFFD\uFFFD"
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describe "with an error", ->
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beforeEach ->
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@error = new Error("something went wrong")
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@ShareJsUpdateManager.applyUpdate = sinon.stub().yields(@error)
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@UpdateManager.applyUpdate @project_id, @doc_id, @update, @callback
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it "should call RealTimeRedisManager.sendData with the error", ->
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@RealTimeRedisManager.sendData
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.calledWith({
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project_id: @project_id,
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doc_id: @doc_id,
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error: @error.message
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})
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.should.equal true
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it "should call the callback with the error", ->
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@callback.calledWith(@error).should.equal true
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describe "_addProjectHistoryMetadataToOps", ->
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it "should add pathname and doc_length metadata to the ops", ->
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lines = [
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'some'
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'test'
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'data'
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]
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appliedOps = [
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{ v: 42, op: [{i: "foo", p: 4}, { i: "bar", p: 6 }] },
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{ v: 45, op: [{d: "qux", p: 4}, { i: "bazbaz", p: 14 }] },
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{ v: 49, op: [{i: "penguin", p: 18}] }
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]
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@UpdateManager._addProjectHistoryMetadataToOps(appliedOps, @pathname, lines)
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appliedOps.should.deep.equal [{
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v: 42
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op: [{i: "foo", p: 4}, { i: "bar", p: 6 }]
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meta:
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pathname: @pathname
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doc_length: 14
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}, {
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v: 45
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op: [{d: "qux", p: 4}, { i: "bazbaz", p: 14 }]
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meta:
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pathname: @pathname
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doc_length: 20 # 14 + 'foo' + 'bar'
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}, {
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v: 49
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op: [{i: "penguin", p: 18}]
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meta:
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pathname: @pathname
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doc_length: 23 # 14 - 'qux' + 'bazbaz'
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}]
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describe "lockUpdatesAndDo", ->
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beforeEach ->
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@method = sinon.stub().callsArgWith(3, null, @response_arg1)
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@callback = sinon.stub()
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@arg1 = "argument 1"
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@response_arg1 = "response argument 1"
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@lockValue = "mock-lock-value"
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@LockManager.getLock = sinon.stub().callsArgWith(1, null, @lockValue)
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@LockManager.releaseLock = sinon.stub().callsArg(2)
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describe "successfully", ->
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beforeEach ->
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@UpdateManager.continueProcessingUpdatesWithLock = sinon.stub()
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArg(2)
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@UpdateManager.lockUpdatesAndDo @method, @project_id, @doc_id, @arg1, @callback
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it "should lock the doc", ->
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@LockManager.getLock
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.calledWith(@doc_id)
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.should.equal true
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it "should process any outstanding updates", ->
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@UpdateManager.processOutstandingUpdates
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.calledWith(@project_id, @doc_id)
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.should.equal true
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it "should call the method", ->
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@method
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.calledWith(@project_id, @doc_id, @arg1)
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.should.equal true
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it "should return the method response to the callback", ->
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@callback
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.calledWith(null, @response_arg1)
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.should.equal true
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it "should release the lock", ->
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@LockManager.releaseLock
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.calledWith(@doc_id, @lockValue)
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.should.equal true
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it "should continue processing updates", ->
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@UpdateManager.continueProcessingUpdatesWithLock
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.calledWith(@project_id, @doc_id)
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.should.equal true
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describe "when processOutstandingUpdates returns an error", ->
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beforeEach ->
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArgWith(2, @error = new Error("Something went wrong"))
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@UpdateManager.lockUpdatesAndDo @method, @project_id, @doc_id, @arg1, @callback
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it "should free the lock", ->
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@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
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it "should return the error in the callback", ->
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@callback.calledWith(@error).should.equal true
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describe "when the method returns an error", ->
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beforeEach ->
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@UpdateManager.processOutstandingUpdates = sinon.stub().callsArg(2)
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@method = sinon.stub().callsArgWith(3, @error = new Error("something went wrong"), @response_arg1)
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@UpdateManager.lockUpdatesAndDo @method, @project_id, @doc_id, @arg1, @callback
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it "should free the lock", ->
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@LockManager.releaseLock.calledWith(@doc_id, @lockValue).should.equal true
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it "should return the error in the callback", ->
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@callback.calledWith(@error).should.equal true
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