mirror of
https://github.com/overleaf/overleaf.git
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215 lines
7.5 KiB
CoffeeScript
215 lines
7.5 KiB
CoffeeScript
sinon = require "sinon"
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chai = require("chai")
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chai.should()
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async = require "async"
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mongojs = require "../../../app/js/mongojs"
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db = mongojs.db
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ObjectId = mongojs.ObjectId
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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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@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: 0
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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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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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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 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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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, {
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lines: @lines
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}
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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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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 ->
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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, {
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lines: @lines
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}
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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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@result = ["hello world", "", ""]
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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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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 @result
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done()
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describe "when older ops come in after the delete", ->
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before ->
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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, {
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lines: @lines
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}
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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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@result = ["hello", "world", ""]
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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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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 @result
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done()
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describe "when the mongo array has been trimmed", ->
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before ->
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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, {
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lines: @lines
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}
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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: 3, op: [i: "world", p: 4 ] }
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]
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@result = ["hello", "world", ""]
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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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it "should be able to reload the required ops from the trimmed mongo array", (done) ->
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actions = []
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# Apply first set of ops
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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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# Delete doc from redis and trim ops back to version 3
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actions.push (callback) => DocUpdaterClient.deleteDoc @project_id, @doc_id, callback
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actions.push (callback) =>
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db.docOps.update({doc_id: ObjectId(@doc_id)}, {$push: docOps: { $each: [], $slice: -2 }}, callback)
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# Apply older update back from version 3
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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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# Flush ops to mongo
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actions.push (callback) => DocUpdaterClient.flushDoc @project_id, @doc_id, 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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db.docOps.find {doc_id: ObjectId(@doc_id)}, (error, docOps) =>
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# Check mongo array has been trimmed
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docOps = docOps[0]
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docOps.docOps.length.should.equal 3
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# Check ops have all be applied properly
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doc.lines.should.deep.equal @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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MockWebApi.insertDoc @project_id, @doc_id, {
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lines: @lines
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}
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DocUpdaterClient.sendUpdate @project_id, @doc_id, @undefined, (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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