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https://github.com/overleaf/overleaf.git
synced 2024-11-21 20:47:08 -05:00
Add an error guard around the version being present
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parent
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commit
144bae3a55
8 changed files with 56 additions and 69 deletions
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@ -41,6 +41,9 @@ module.exports = DocManager =
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return callback(null, docs)
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updateDoc: (project_id, doc_id, lines, version, callback = (error, modified, rev) ->) ->
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if !lines? or !version?
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return callback(new Error("no lines or version provided"))
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DocManager.getDoc project_id, doc_id, {version: true}, (err, doc)->
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if err? and !(err instanceof Errors.NotFoundError)
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logger.err project_id: project_id, doc_id: doc_id, err:err, "error getting document for update"
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@ -48,10 +51,7 @@ module.exports = DocManager =
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isNewDoc = lines.length == 0
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linesAreSame = _.isEqual(doc?.lines, lines)
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if version?
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versionsAreSame = (doc?.version == version)
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else
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versionsAreSame = true
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versionsAreSame = (doc?.version == version)
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if linesAreSame and versionsAreSame and !isNewDoc
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logger.log project_id: project_id, doc_id: doc_id, rev: doc?.rev, "doc lines have not changed - not updating"
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@ -69,15 +69,8 @@ module.exports = DocManager =
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}, "updating doc lines"
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MongoManager.upsertIntoDocCollection project_id, doc_id, lines, (error)->
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return callback(callback) if error?
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# TODO: While rolling out this code, setting the version via the docstore is optional,
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# so if it hasn't been passed, just ignore it. Once the docupdater has totally
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# handed control of this to the docstore, we can assume it will always be passed
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# and an error guard on it not being set instead.
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if version?
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MongoManager.setDocVersion doc_id, version, (error) ->
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return callback(error) if error?
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callback null, true, oldRev + 1 # rev will have been incremented in mongo by MongoManager.updateDoc
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else
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MongoManager.setDocVersion doc_id, version, (error) ->
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return callback(error) if error?
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callback null, true, oldRev + 1 # rev will have been incremented in mongo by MongoManager.updateDoc
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deleteDoc: (project_id, doc_id, callback = (error) ->) ->
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@ -19,7 +19,7 @@ module.exports =
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jobs = [
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(cb)->
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opts = getOpts()
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opts.json = {lines: lines}
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opts.json = {lines: lines, version: 42}
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request.post(opts, cb)
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(cb)->
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opts = getOpts()
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@ -55,6 +55,11 @@ module.exports = HttpController =
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logger.error project_id: project_id, doc_id: doc_id, "no doc lines provided"
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res.send 400 # Bad Request
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return
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if !version? or typeof version is not "number"
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logger.error project_id: project_id, doc_id: doc_id, "no doc version provided"
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res.send 400 # Bad Request
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return
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logger.log project_id: project_id, doc_id: doc_id, "got http request to update doc"
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DocManager.updateDoc project_id, doc_id, lines, version, (error, modified, rev) ->
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@ -30,7 +30,7 @@ describe "Archiving all docs", ->
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(callback) =>
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DocstoreClient.createDoc @project_id, doc._id, doc.lines, (err)=>
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doc.lines[0] = doc.lines[0]+" added"
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DocstoreClient.updateDoc @project_id, doc._id, doc.lines, null, callback
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DocstoreClient.updateDoc @project_id, doc._id, doc.lines, 42, callback
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async.series jobs, done
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afterEach (done) ->
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@ -109,7 +109,7 @@ describe "Archiving all docs", ->
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quarterMegInBytes = 250000
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lines = require("crypto").randomBytes(quarterMegInBytes).toString("hex")
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@docs[1].lines = [lines,lines,lines,lines]
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DocstoreClient.updateDoc @project_id, @docs[1]._id, @docs[1].lines, null, =>
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DocstoreClient.updateDoc @project_id, @docs[1]._id, @docs[1].lines, 42, =>
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DocstoreClient.archiveAllDoc @project_id, (error, @res) =>
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done()
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@ -27,7 +27,7 @@ describe "Getting all docs", ->
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(callback) =>
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DocstoreClient.createDoc @project_id, doc._id, doc.lines, (err)=>
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doc.lines[0] = doc.lines[0]+" added"
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DocstoreClient.updateDoc @project_id, doc._id, doc.lines, null, callback
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DocstoreClient.updateDoc @project_id, doc._id, doc.lines, 42, callback
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async.series jobs, done
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it "should return all the docs", (done) ->
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@ -18,9 +18,9 @@ describe "Applying updates to a doc", ->
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throw error if error?
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done()
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describe "when the content has changed", ->
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describe "when the lines have changed", ->
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beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @newLines, null, (error, res, @body) =>
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DocstoreClient.updateDoc @project_id, @doc_id, @newLines, @version, (error, res, @body) =>
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done()
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it "should return modified = true", ->
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@ -35,9 +35,9 @@ describe "Applying updates to a doc", ->
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doc.version.should.equal @version
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done()
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describe "when the content has not been updated", ->
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describe "when the lines and version have not been updated", ->
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beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, null, (error, res, @body) =>
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DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, @version, (error, res, @body) =>
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done()
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it "should return modified = false", ->
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@ -51,7 +51,7 @@ describe "Applying updates to a doc", ->
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describe "when the doc does not exist", ->
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beforeEach (done) ->
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@missing_doc_id = ObjectId()
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DocstoreClient.updateDoc @project_id, @missing_doc_id, @originalLines, null, (error, @res, @body) =>
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DocstoreClient.updateDoc @project_id, @missing_doc_id, @originalLines, 0, (error, @res, @body) =>
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done()
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it "should create the doc", ->
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@ -66,7 +66,7 @@ describe "Applying updates to a doc", ->
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describe "when malformed doc lines are provided", ->
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describe "when the lines are not an array", ->
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beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, { foo: "bar" }, null, (error, @res, @body) =>
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DocstoreClient.updateDoc @project_id, @doc_id, { foo: "bar" }, @version, (error, @res, @body) =>
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done()
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it "should return 400", ->
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@ -79,7 +79,7 @@ describe "Applying updates to a doc", ->
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describe "when the lines are not present", ->
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beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, null, null, (error, @res, @body) =>
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DocstoreClient.updateDoc @project_id, @doc_id, null, @version, (error, @res, @body) =>
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done()
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it "should return 400", ->
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@ -89,12 +89,26 @@ describe "Applying updates to a doc", ->
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DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
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doc.lines.should.deep.equal @originalLines
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done()
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describe "when no version is provided", ->
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beforeEach (done) ->
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DocstoreClient.updateDoc @project_id, @doc_id, @originalLines, null, (error, @res, @body) =>
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done()
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it "should return 400", ->
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@res.statusCode.should.equal 400
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it "should not update the doc in the API", (done) ->
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DocstoreClient.getDoc @project_id, @doc_id, {}, (error, res, doc) =>
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doc.lines.should.deep.equal @originalLines
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doc.version.should.equal @version
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done()
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describe "when the content is large", ->
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beforeEach (done) ->
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line = new Array(1025).join("x") # 1kb
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@largeLines = Array.apply(null, Array(1024)).map(() -> line) # 1mb
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DocstoreClient.updateDoc @project_id, @doc_id, @largeLines, null, (error, res, @body) =>
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DocstoreClient.updateDoc @project_id, @doc_id, @largeLines, @version, (error, res, @body) =>
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done()
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it "should return modified = true", ->
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@ -227,42 +227,19 @@ describe "DocManager", ->
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it "should return the callback with the new rev", ->
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@callback.calledWith(null, true, @rev + 1).should.equal true
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describe "when the version is null and the lines are different", ->
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describe "when the version is null", ->
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beforeEach ->
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@DocManager.getDoc = sinon.stub().callsArgWith(3, null, @doc)
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@DocManager.updateDoc @project_id, @doc_id, @newDocLines, null, @callback
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it "should get the existing doc with the version", ->
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@DocManager.getDoc
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.calledWith(@project_id, @doc_id, {version: true})
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.should.equal true
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it "should return an error", ->
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@callback.calledWith(new Error("no lines or version provided")).should.equal true
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it "should upsert the document to the doc collection", ->
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@MongoManager.upsertIntoDocCollection
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.calledWith(@project_id, @doc_id, @newDocLines)
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.should.equal true
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it "should not update the version", ->
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@MongoManager.setDocVersion
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.called
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.should.equal false
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it "should return the callback with the new rev", ->
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@callback.calledWith(null, true, @rev + 1).should.equal true
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describe "when the version is null and the lines are the same", ->
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describe "when the lines are null", ->
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beforeEach ->
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@DocManager.getDoc = sinon.stub().callsArgWith(3, null, @doc)
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@DocManager.updateDoc @project_id, @doc_id, @oldDocLines, null, @callback
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it "should not update the version", ->
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@MongoManager.setDocVersion.called.should.equal false
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@DocManager.updateDoc @project_id, @doc_id, null, @version, @callback
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it "should not update the doc", ->
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@MongoManager.upsertIntoDocCollection.called.should.equal false
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it "should return the callback with the existing rev", ->
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@callback.calledWith(null, false, @rev).should.equal true
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it "should return an error", ->
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@callback.calledWith(new Error("no lines or version provided")).should.equal true
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describe "when there is a generic error getting the doc", ->
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beforeEach ->
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@ -195,12 +195,13 @@ describe "HttpController", ->
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beforeEach ->
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@req.body =
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lines: @lines = ["hello", "world"]
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version: @version = 42
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@DocManager.updateDoc = sinon.stub().yields(null, true, @rev = 5)
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@HttpController.updateDoc @req, @res, @next
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it "should update the document", ->
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@DocManager.updateDoc
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.calledWith(@project_id, @doc_id, @lines, undefined)
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.calledWith(@project_id, @doc_id, @lines, @version)
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.should.equal true
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it "should return a modified status", ->
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@ -212,6 +213,7 @@ describe "HttpController", ->
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beforeEach ->
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@req.body =
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lines: @lines = ["hello", "world"]
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version: @version = 42
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@DocManager.updateDoc = sinon.stub().yields(null, false, @rev = 5)
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@HttpController.updateDoc @req, @res, @next
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@ -222,7 +224,7 @@ describe "HttpController", ->
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describe "when the doc lines are not provided", ->
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beforeEach ->
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@req.body = {}
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@req.body = { version: 42 }
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@DocManager.updateDoc = sinon.stub().yields(null, false)
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@HttpController.updateDoc @req, @res, @next
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@ -234,22 +236,18 @@ describe "HttpController", ->
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.calledWith(400)
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.should.equal true
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describe "when the doc version is provided", ->
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describe "when the doc version is not provided", ->
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beforeEach ->
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@req.body =
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lines: @lines = ["hello", "world"]
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version: @version = 42
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@DocManager.updateDoc = sinon.stub().yields(null, true, @rev = 5)
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@req.body = { lines : [ "foo" ]}
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@DocManager.updateDoc = sinon.stub().yields(null, false)
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@HttpController.updateDoc @req, @res, @next
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it "should update the document with the lines and version", ->
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@DocManager.updateDoc
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.calledWith(@project_id, @doc_id, @lines, @version)
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.should.equal true
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it "should not update the document", ->
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@DocManager.updateDoc.called.should.equal false
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it "should return a modified status", ->
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@res.json
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.calledWith(modified: true, rev: @rev)
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it "should return a 400 (bad request) response", ->
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@res.send
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.calledWith(400)
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.should.equal true
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describe "deleteDoc", ->
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