mirror of
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299 lines
10 KiB
CoffeeScript
299 lines
10 KiB
CoffeeScript
sinon = require "sinon"
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chai = require("chai")
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chai.should()
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expect = chai.expect
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async = require "async"
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Settings = require('settings-sharelatex')
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rclient = require("redis-sharelatex").createClient(Settings.redis.web)
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MockTrackChangesApi = require "./helpers/MockTrackChangesApi"
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MockWebApi = require "./helpers/MockWebApi"
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DocUpdaterClient = require "./helpers/DocUpdaterClient"
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describe "Applying updates to a doc", ->
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before ->
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@lines = ["one", "two", "three"]
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@version = 42
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@update =
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doc: @doc_id
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op: [{
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i: "one and a half\n"
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p: 4
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}]
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v: @version
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@result = ["one", "one and a half", "two", "three"]
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describe "when the document is not loaded", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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sinon.spy MockWebApi, "getDocument"
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MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
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DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
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throw error if error?
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setTimeout done, 200
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after ->
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MockWebApi.getDocument.restore()
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it "should load the document from the web API", ->
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MockWebApi.getDocument
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.calledWith(@project_id, @doc_id)
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.should.equal true
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it "should update the doc", (done) ->
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @result
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done()
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it "should push the applied updates to the track changes api", (done) ->
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rclient.lrange "UncompressedHistoryOps:#{@doc_id}", 0, -1, (error, updates) =>
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throw error if error?
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JSON.parse(updates[0]).op.should.deep.equal @update.op
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rclient.sismember "DocsWithHistoryOps:#{@project_id}", @doc_id, (error, result) =>
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throw error if error?
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result.should.equal 1
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done()
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describe "when the document is loaded", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
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DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
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throw error if error?
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sinon.spy MockWebApi, "getDocument"
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DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
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throw error if error?
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setTimeout done, 200
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after ->
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MockWebApi.getDocument.restore()
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it "should not need to call the web api", ->
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MockWebApi.getDocument.called.should.equal false
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it "should update the doc", (done) ->
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @result
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done()
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it "should push the applied updates to the track changes api", (done) ->
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rclient.lrange "UncompressedHistoryOps:#{@doc_id}", 0, -1, (error, updates) =>
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JSON.parse(updates[0]).op.should.deep.equal @update.op
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rclient.sismember "DocsWithHistoryOps:#{@project_id}", @doc_id, (error, result) =>
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result.should.equal 1
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done()
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describe "when the document has been deleted", ->
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describe "when the ops come in a single linear order", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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lines = ["", "", ""]
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MockWebApi.insertDoc @project_id, @doc_id, {lines: lines, version: 0}
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@updates = [
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{ doc_id: @doc_id, v: 0, op: [i: "h", p: 0 ] }
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{ doc_id: @doc_id, v: 1, op: [i: "e", p: 1 ] }
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{ doc_id: @doc_id, v: 2, op: [i: "l", p: 2 ] }
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{ doc_id: @doc_id, v: 3, op: [i: "l", p: 3 ] }
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{ doc_id: @doc_id, v: 4, op: [i: "o", p: 4 ] }
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{ doc_id: @doc_id, v: 5, op: [i: " ", p: 5 ] }
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{ doc_id: @doc_id, v: 6, op: [i: "w", p: 6 ] }
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{ doc_id: @doc_id, v: 7, op: [i: "o", p: 7 ] }
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{ doc_id: @doc_id, v: 8, op: [i: "r", p: 8 ] }
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{ doc_id: @doc_id, v: 9, op: [i: "l", p: 9 ] }
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{ doc_id: @doc_id, v: 10, op: [i: "d", p: 10] }
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]
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@my_result = ["hello world", "", ""]
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done()
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it "should be able to continue applying updates when the project has been deleted", (done) ->
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actions = []
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for update in @updates.slice(0,6)
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do (update) =>
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actions.push (callback) => DocUpdaterClient.sendUpdate @project_id, @doc_id, update, callback
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actions.push (callback) => DocUpdaterClient.deleteDoc @project_id, @doc_id, callback
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for update in @updates.slice(6)
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do (update) =>
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actions.push (callback) => DocUpdaterClient.sendUpdate @project_id, @doc_id, update, callback
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async.series actions, (error) =>
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throw error if error?
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @my_result
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done()
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it "should push the applied updates to the track changes api", (done) ->
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rclient.lrange "UncompressedHistoryOps:#{@doc_id}", 0, -1, (error, updates) =>
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updates = (JSON.parse(u) for u in updates)
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for appliedUpdate, i in @updates
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appliedUpdate.op.should.deep.equal updates[i].op
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rclient.sismember "DocsWithHistoryOps:#{@project_id}", @doc_id, (error, result) =>
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result.should.equal 1
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done()
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it "should store the doc ops in the correct order", (done) ->
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rclient.lrange "DocOps:#{@doc_id}", 0, -1, (error, updates) =>
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updates = (JSON.parse(u) for u in updates)
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for appliedUpdate, i in @updates
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appliedUpdate.op.should.deep.equal updates[i].op
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done()
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describe "when older ops come in after the delete", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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lines = ["", "", ""]
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MockWebApi.insertDoc @project_id, @doc_id, {lines: lines, version: 0}
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@updates = [
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{ doc_id: @doc_id, v: 0, op: [i: "h", p: 0 ] }
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{ doc_id: @doc_id, v: 1, op: [i: "e", p: 1 ] }
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{ doc_id: @doc_id, v: 2, op: [i: "l", p: 2 ] }
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{ doc_id: @doc_id, v: 3, op: [i: "l", p: 3 ] }
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{ doc_id: @doc_id, v: 4, op: [i: "o", p: 4 ] }
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{ doc_id: @doc_id, v: 0, op: [i: "world", p: 1 ] }
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]
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@my_result = ["hello", "world", ""]
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done()
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it "should be able to continue applying updates when the project has been deleted", (done) ->
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actions = []
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for update in @updates.slice(0,5)
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do (update) =>
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actions.push (callback) => DocUpdaterClient.sendUpdate @project_id, @doc_id, update, callback
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actions.push (callback) => DocUpdaterClient.deleteDoc @project_id, @doc_id, callback
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for update in @updates.slice(5)
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do (update) =>
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actions.push (callback) => DocUpdaterClient.sendUpdate @project_id, @doc_id, update, callback
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async.series actions, (error) =>
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throw error if error?
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @my_result
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done()
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describe "with a broken update", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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@broken_update = { doc_id: @doc_id, v: @version, op: [d: "not the correct content", p: 0 ] }
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MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
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DocUpdaterClient.subscribeToAppliedOps @messageCallback = sinon.stub()
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DocUpdaterClient.sendUpdate @project_id, @doc_id, @broken_update, (error) ->
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throw error if error?
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setTimeout done, 200
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it "should not update the doc", (done) ->
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @lines
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done()
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it "should send a message with an error", ->
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@messageCallback.called.should.equal true
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[channel, message] = @messageCallback.args[0]
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channel.should.equal "applied-ops"
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JSON.parse(message).should.deep.equal {
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project_id: @project_id,
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doc_id: @doc_id,
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error:'Delete component \'not the correct content\' does not match deleted text \'one\ntwo\nthree\''
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}
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describe "with enough updates to flush to the track changes api", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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updates = []
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for v in [0..99] # Should flush after 50 ops
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updates.push
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doc_id: @doc_id,
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op: [i: v.toString(), p: 0]
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v: v
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sinon.spy MockTrackChangesApi, "flushDoc"
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MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: 0}
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# Send updates in chunks to causes multiple flushes
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actions = []
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for i in [0..9]
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do (i) =>
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actions.push (cb) =>
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DocUpdaterClient.sendUpdates @project_id, @doc_id, updates.slice(i*10, (i+1)*10), cb
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async.series actions, (error) =>
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throw error if error?
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setTimeout done, 2000
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after ->
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MockTrackChangesApi.flushDoc.restore()
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it "should flush the doc twice", ->
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MockTrackChangesApi.flushDoc.calledTwice.should.equal true
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describe "when there is no version in Mongo", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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update =
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doc: @doc_id
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op: @update.op
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v: 0
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DocUpdaterClient.sendUpdate @project_id, @doc_id, update, (error) ->
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throw error if error?
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setTimeout done, 200
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it "should update the doc (using version = 0)", (done) ->
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @result
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done()
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describe "when the sending duplicate ops", ->
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before (done) ->
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[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
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MockWebApi.insertDoc @project_id, @doc_id, {lines: @lines, version: @version}
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DocUpdaterClient.subscribeToAppliedOps @messageCallback = sinon.stub()
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# One user delete 'one', the next turns it into 'once'. The second becomes a NOP.
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DocUpdaterClient.sendUpdate @project_id, @doc_id, {
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doc: @doc_id
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op: [{
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i: "one and a half\n"
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p: 4
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}]
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v: @version
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meta:
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source: "ikHceq3yfAdQYzBo4-xZ"
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}, (error) =>
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throw error if error?
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setTimeout () =>
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DocUpdaterClient.sendUpdate @project_id, @doc_id, {
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doc: @doc_id
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op: [{
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i: "one and a half\n"
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p: 4
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}]
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v: @version
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dupIfSource: ["ikHceq3yfAdQYzBo4-xZ"]
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meta:
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source: "ikHceq3yfAdQYzBo4-xZ"
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}, (error) =>
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throw error if error?
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setTimeout done, 200
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, 200
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it "should update the doc", (done) ->
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DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
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doc.lines.should.deep.equal @result
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done()
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it "should return a message about duplicate ops", ->
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@messageCallback.calledTwice.should.equal true
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@messageCallback.args[0][0].should.equal "applied-ops"
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expect(JSON.parse(@messageCallback.args[0][1]).op.dup).to.be.undefined
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@messageCallback.args[1][0].should.equal "applied-ops"
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expect(JSON.parse(@messageCallback.args[1][1]).op.dup).to.equal true
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