mirror of
https://github.com/overleaf/overleaf.git
synced 2024-10-31 21:21:03 -04:00
233 lines
9.2 KiB
CoffeeScript
233 lines
9.2 KiB
CoffeeScript
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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/PackManager.js"
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SandboxedModule = require('sandboxed-module')
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{ObjectId} = require("mongojs")
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bson = require("bson")
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BSON = new bson.BSONPure()
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tk = require "timekeeper"
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describe "PackManager", ->
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beforeEach ->
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tk.freeze(new Date())
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@PackManager = SandboxedModule.require modulePath, requires:
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"./mongojs" : { db: @db = {}, ObjectId: ObjectId, BSON: BSON }
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"./LockManager" : {}
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"logger-sharelatex": { log: sinon.stub(), error: sinon.stub() }
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@callback = sinon.stub()
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@doc_id = ObjectId().toString()
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@project_id = ObjectId().toString()
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afterEach ->
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tk.reset()
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describe "insertCompressedUpdates", ->
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beforeEach ->
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@lastUpdate = {
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_id: "12345"
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pack: [
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{ op: "op-1", meta: "meta-1", v: 1},
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{ op: "op-2", meta: "meta-2", v: 2}
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]
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n : 2
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sz : 100
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}
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@newUpdates = [
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{ op: "op-3", meta: "meta-3", v: 3},
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{ op: "op-4", meta: "meta-4", v: 4}
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]
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@db.docHistory =
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insert: sinon.stub().callsArg(1)
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findAndModify: sinon.stub().callsArg(1)
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describe "with no last update", ->
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beforeEach ->
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@PackManager.insertUpdatesIntoNewPack = sinon.stub().callsArg(4)
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@PackManager.insertCompressedUpdates @project_id, @doc_id, null, @newUpdates, true, @callback
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describe "for a small update", ->
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it "should insert the update into a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates, true).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 "for many small updates", ->
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beforeEach ->
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@newUpdates = ({ op: "op-#{i}", meta: "meta-#{i}", v: i} for i in [0..2048])
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@PackManager.insertCompressedUpdates @project_id, @doc_id, null, @newUpdates, false, @callback
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it "should append the initial updates to the existing pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[0...512], false).should.equal true
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it "should insert the first set remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[512...1024], false).should.equal true
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it "should insert the second set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[1024...1536], false).should.equal true
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it "should insert the third set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[1536...2048], false).should.equal true
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it "should insert the final set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[2048..2048], false).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 an existing pack as the last update", ->
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beforeEach ->
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@PackManager.appendUpdatesToExistingPack = sinon.stub().callsArg(5)
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@PackManager.insertUpdatesIntoNewPack = sinon.stub().callsArg(4)
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@PackManager.insertCompressedUpdates @project_id, @doc_id, @lastUpdate, @newUpdates, false, @callback
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describe "for a small update", ->
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it "should append the update to the existing pack", ->
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@PackManager.appendUpdatesToExistingPack.calledWith(@project_id, @doc_id, @lastUpdate, @newUpdates, false).should.equal true
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it "should not insert any new packs", ->
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@PackManager.insertUpdatesIntoNewPack.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 "for many small updates", ->
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beforeEach ->
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@newUpdates = ({ op: "op-#{i}", meta: "meta-#{i}", v: i} for i in [0..2048])
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@PackManager.insertCompressedUpdates @project_id, @doc_id, @lastUpdate, @newUpdates, false, @callback
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it "should append the initial updates to the existing pack", ->
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@PackManager.appendUpdatesToExistingPack.calledWith(@project_id, @doc_id, @lastUpdate, @newUpdates[0...510], false).should.equal true
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it "should insert the first set remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[510...1022], false).should.equal true
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it "should insert the second set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[1022...1534], false).should.equal true
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it "should insert the third set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[1534...2046], false).should.equal true
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it "should insert the final set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[2046..2048], false).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 "for many big updates", ->
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beforeEach ->
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longString = ("a" for [0 .. (0.75*@PackManager.MAX_SIZE)]).join("")
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@newUpdates = ({ op: "op-#{i}-#{longString}", meta: "meta-#{i}", v: i} for i in [0..4])
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@PackManager.insertCompressedUpdates @project_id, @doc_id, @lastUpdate, @newUpdates, false, @callback
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it "should append the initial updates to the existing pack", ->
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@PackManager.appendUpdatesToExistingPack.calledWith(@project_id, @doc_id, @lastUpdate, @newUpdates[0..0], false).should.equal true
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it "should insert the first set remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[1..1], false).should.equal true
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it "should insert the second set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[2..2], false).should.equal true
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it "should insert the third set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[3..3], false).should.equal true
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it "should insert the final set of remaining updates as a new pack", ->
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@PackManager.insertUpdatesIntoNewPack.calledWith(@project_id, @doc_id, @newUpdates[4..4], false).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 "flushCompressedUpdates", ->
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describe "when there is no previous update", ->
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beforeEach ->
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@PackManager.flushCompressedUpdates @project_id, @doc_id, null, @newUpdates, true, @callback
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describe "for a small update that will expire", ->
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it "should insert the update into mongo", ->
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@db.docHistory.insert.calledWithMatch({
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pack: @newUpdates,
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project_id: ObjectId(@project_id),
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doc_id: ObjectId(@doc_id)
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n: @newUpdates.length
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v: @newUpdates[0].v
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v_end: @newUpdates[@newUpdates.length-1].v
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}).should.equal true
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it "should set an expiry time in the future", ->
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@db.docHistory.insert.calledWithMatch({
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expiresAt: new Date(Date.now() + 7 * 24 * 3600 * 1000)
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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 is a recent previous update in mongo", ->
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beforeEach ->
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@lastUpdate = {
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_id: "12345"
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pack: [
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{ op: "op-1", meta: "meta-1", v: 1},
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{ op: "op-2", meta: "meta-2", v: 2}
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]
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n : 2
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sz : 100
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expiresAt: new Date(Date.now())
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}
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@PackManager.flushCompressedUpdates @project_id, @doc_id, @lastUpdate, @newUpdates, true, @callback
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describe "for a small update that will expire", ->
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it "should append the update in mongo", ->
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@db.docHistory.findAndModify.calledWithMatch({
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query: {_id: @lastUpdate._id}
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update: { $push: {"pack" : {$each: @newUpdates}}, $set: {v_end: @newUpdates[@newUpdates.length-1].v}}
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}).should.equal true
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it "should set an expiry time in the future", ->
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@db.docHistory.findAndModify.calledWithMatch({
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update: {$set: {expiresAt: new Date(Date.now() + 7 * 24 * 3600 * 1000)}}
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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 is an old previous update in mongo", ->
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beforeEach ->
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@lastUpdate = {
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_id: "12345"
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pack: [
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{ op: "op-1", meta: "meta-1", v: 1},
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{ op: "op-2", meta: "meta-2", v: 2}
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]
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n : 2
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sz : 100
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meta: {start_ts: Date.now() - 30 * 24 * 3600 * 1000}
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expiresAt: new Date(Date.now() - 30 * 24 * 3600 * 1000)
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}
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@PackManager.flushCompressedUpdates @project_id, @doc_id, @lastUpdate, @newUpdates, true, @callback
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describe "for a small update that will expire", ->
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it "should insert the update into mongo", ->
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@db.docHistory.insert.calledWithMatch({
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pack: @newUpdates,
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project_id: ObjectId(@project_id),
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doc_id: ObjectId(@doc_id)
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n: @newUpdates.length
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v: @newUpdates[0].v
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v_end: @newUpdates[@newUpdates.length-1].v
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}).should.equal true
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it "should set an expiry time in the future", ->
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@db.docHistory.insert.calledWithMatch({
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expiresAt: new Date(Date.now() + 7 * 24 * 3600 * 1000)
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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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