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87 lines
3.1 KiB
CoffeeScript
87 lines
3.1 KiB
CoffeeScript
sinon = require('sinon')
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chai = require('chai')
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should = chai.should()
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expect = chai.expect
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modulePath = "../../../../app/js/HistoryManager.js"
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SandboxedModule = require('sandboxed-module')
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describe "HistoryManager", ->
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beforeEach ->
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@HistoryManager = SandboxedModule.require modulePath, requires:
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"./UpdateCompressor": @UpdateCompressor = {}
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"./mongojs" : {}
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"logger-sharelatex": { log: sinon.stub() }
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@doc_id = "doc-id-123"
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@callback = sinon.stub()
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describe "when there are no raw ops", ->
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beforeEach ->
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@HistoryManager.popLastCompressedUpdate = sinon.stub()
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@HistoryManager.insertCompressedUpdates = sinon.stub()
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@HistoryManager.compressAndSaveRawUpdates @doc_id, [], @callback
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it "should not need to access the database", ->
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@HistoryManager.popLastCompressedUpdate.called.should.equal false
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@HistoryManager.insertCompressedUpdates.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 "when there is no compressed history to begin with", ->
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beforeEach ->
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@rawUpdates = ["mock-raw-op-1", "mock-raw-op-2"]
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@compressedUpdates = ["mock-compressed-op"]
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@HistoryManager.popLastCompressedUpdate = sinon.stub().callsArgWith(1, null, null)
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@HistoryManager.insertCompressedUpdates = sinon.stub().callsArg(2)
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@UpdateCompressor.compressRawUpdates = sinon.stub().returns(@compressedUpdates)
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@HistoryManager.compressAndSaveRawUpdates @doc_id, @rawUpdates, @callback
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it "should try to pop the last compressed op", ->
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@HistoryManager.popLastCompressedUpdate
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.calledWith(@doc_id)
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.should.equal true
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it "should compress the raw ops", ->
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@UpdateCompressor.compressRawUpdates
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.calledWith(null, @rawUpdates)
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.should.equal true
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it "should save the compressed ops", ->
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@HistoryManager.insertCompressedUpdates
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.calledWith(@doc_id, @compressedUpdates)
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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 the raw ops need appending to existing history", ->
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beforeEach ->
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@rawUpdates = ["mock-raw-op-1", "mock-raw-op-2"]
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@lastCompressedUpdate = "mock-last-compressed-op-0"
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@compressedUpdates = ["mock-compressed-op-1"]
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@HistoryManager.popLastCompressedUpdate = sinon.stub().callsArgWith(1, null, @lastCompressedUpdate)
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@HistoryManager.insertCompressedUpdates = sinon.stub().callsArg(2)
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@UpdateCompressor.compressRawUpdates = sinon.stub().returns(@compressedUpdates)
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@HistoryManager.compressAndSaveRawUpdates @doc_id, @rawUpdates, @callback
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it "should try to pop the last compressed op", ->
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@HistoryManager.popLastCompressedUpdate
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.calledWith(@doc_id)
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.should.equal true
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it "should compress the last compressed op and the raw ops", ->
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@UpdateCompressor.compressRawUpdates
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.calledWith(@lastCompressedUpdate, @rawUpdates)
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.should.equal true
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it "should save the compressed ops", ->
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@HistoryManager.insertCompressedUpdates
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.calledWith(@doc_id, @compressedUpdates)
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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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