Don't send or get versioning info to/from web

The version number is only used by the doc updater and so can be cleanly
encapsulated in a collection that only the doc updater knows about. The version
is already stored under docOps, so continue to tore it there.

services/document-updater/app/coffee/PersistenceManager.coffee

@@ -7,31 +7,20 @@ logger = require "logger-sharelatex"
 
 module.exports = PersistenceManager =
 	getDoc: (project_id, doc_id, callback = (error, lines, version) ->) ->
-		PersistenceManager.getDocFromWeb project_id, doc_id, (error, lines, webVersion) ->
+		PersistenceManager.getDocFromWeb project_id, doc_id, (error, lines) ->
 			return callback(error) if error?
-			PersistenceManager.getDocVersionInMongo doc_id, (error, mongoVersion) ->
+			PersistenceManager.getDocVersionInMongo doc_id, (error, version) ->
 				return callback(error) if error?
-				if !webVersion? and !mongoVersion?
-					version = 0
-				else if !webVersion?
-					logger.warn project_id: project_id, doc_id: doc_id, "loading doc version from mongo - deprecated"
-					version = mongoVersion
-				else if !mongoVersion?
-					version = webVersion
-				else if webVersion > mongoVersion
-					version = webVersion
-				else
-					version = mongoVersion
 				callback null, lines, version
 
 	setDoc: (project_id, doc_id, lines, version, callback = (error) ->) ->
-		PersistenceManager.setDocInWeb project_id, doc_id, lines, version, (error) ->
+		PersistenceManager.setDocInWeb project_id, doc_id, lines, (error) ->
 			return callback(error) if error?
 			PersistenceManager.setDocVersionInMongo doc_id, version, (error) ->
 				return callback(error) if error?
 				callback()
 
-	getDocFromWeb: (project_id, doc_id, _callback = (error, lines, version) ->) ->
+	getDocFromWeb: (project_id, doc_id, _callback = (error, lines) ->) ->
 		timer = new Metrics.Timer("persistenceManager.getDoc")
 		callback = (args...) ->
 			timer.done()
@@ -55,13 +44,13 @@ module.exports = PersistenceManager =
 					body = JSON.parse body
 				catch e
 					return callback(e)
-				return callback null, body.lines, body.version
+				return callback null, body.lines
 			else if res.statusCode == 404
 				return callback(new Errors.NotFoundError("doc not not found: #{url}"))
 			else
 				return callback(new Error("error accessing web API: #{url} #{res.statusCode}"))
 
-	setDocInWeb: (project_id, doc_id, lines, version, _callback = (error) ->) ->
+	setDocInWeb: (project_id, doc_id, lines, _callback = (error) ->) ->
 		timer = new Metrics.Timer("persistenceManager.setDoc")
 		callback = (args...) ->
 			timer.done()
@@ -73,7 +62,6 @@ module.exports = PersistenceManager =
 			method: "POST"
 			body: JSON.stringify
 				lines: lines
-				version: parseInt(version, 10)
 			headers:
 				"content-type": "application/json"
 			auth:
@@ -98,7 +86,7 @@ module.exports = PersistenceManager =
 		}, (error, docs) ->
 			return callback(error) if error?
 			if docs.length < 1 or !docs[0].version?
-				return callback null, null
+				return callback null, 0
 			else
 				return callback null, docs[0].version
 

services/document-updater/test/acceptance/coffee/ApplyingUpdatesToADocTests.coffee

@@ -25,14 +25,17 @@ describe "Applying updates to a doc", ->
 	describe "when the document is not loaded", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
 			sinon.spy MockWebApi, "getDocument"
-			DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
+
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert {
+				doc_id: ObjectId(@doc_id)
+				version: @version
+			}, (error) =>
 				throw error if error?
-				setTimeout done, 200
+				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
+					throw error if error?
+					setTimeout done, 200
 
 		after ->
 			MockWebApi.getDocument.restore()
@@ -60,16 +63,16 @@ describe "Applying updates to a doc", ->
 	describe "when the document is loaded", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
-			DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
+
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert doc_id: ObjectId(@doc_id), version: @version, (error) =>
 				throw error if error?
-				sinon.spy MockWebApi, "getDocument"
-				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
+				DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
 					throw error if error?
-					setTimeout done, 200
+					sinon.spy MockWebApi, "getDocument"
+					DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
+						throw error if error?
+						setTimeout done, 200
 
 		after ->
 			MockWebApi.getDocument.restore()
@@ -91,28 +94,27 @@ describe "Applying updates to a doc", ->
 
 	describe "when the document has been deleted", ->
 		describe "when the ops come in a single linear order", ->
-			before ->
+			before (done) ->
 				[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 				lines = ["", "", ""]
-				MockWebApi.insertDoc @project_id, @doc_id, {
-					lines: lines
-					version: 0
-				}
-
-				@updates = [
-					{ doc_id: @doc_id, v: 0,  op: [i: "h", p: 0 ] }
-					{ doc_id: @doc_id, v: 1,  op: [i: "e", p: 1 ] }
-					{ doc_id: @doc_id, v: 2,  op: [i: "l", p: 2 ] }
-					{ doc_id: @doc_id, v: 3,  op: [i: "l", p: 3 ] }
-					{ doc_id: @doc_id, v: 4,  op: [i: "o", p: 4 ] }
-					{ doc_id: @doc_id, v: 5,  op: [i: " ", p: 5 ] }
-					{ doc_id: @doc_id, v: 6,  op: [i: "w", p: 6 ] }
-					{ doc_id: @doc_id, v: 7,  op: [i: "o", p: 7 ] }
-					{ doc_id: @doc_id, v: 8,  op: [i: "r", p: 8 ] }
-					{ doc_id: @doc_id, v: 9,  op: [i: "l", p: 9 ] }
-					{ doc_id: @doc_id, v: 10, op: [i: "d", p: 10] }
-				]
-				@my_result = ["hello world", "", ""]
+				MockWebApi.insertDoc @project_id, @doc_id, lines: lines
+				db.docOps.insert doc_id: ObjectId(@doc_id), version: 0, (error) =>
+					throw error if error?
+					@updates = [
+						{ doc_id: @doc_id, v: 0,  op: [i: "h", p: 0 ] }
+						{ doc_id: @doc_id, v: 1,  op: [i: "e", p: 1 ] }
+						{ doc_id: @doc_id, v: 2,  op: [i: "l", p: 2 ] }
+						{ doc_id: @doc_id, v: 3,  op: [i: "l", p: 3 ] }
+						{ doc_id: @doc_id, v: 4,  op: [i: "o", p: 4 ] }
+						{ doc_id: @doc_id, v: 5,  op: [i: " ", p: 5 ] }
+						{ doc_id: @doc_id, v: 6,  op: [i: "w", p: 6 ] }
+						{ doc_id: @doc_id, v: 7,  op: [i: "o", p: 7 ] }
+						{ doc_id: @doc_id, v: 8,  op: [i: "r", p: 8 ] }
+						{ doc_id: @doc_id, v: 9,  op: [i: "l", p: 9 ] }
+						{ doc_id: @doc_id, v: 10, op: [i: "d", p: 10] }
+					]
+					@my_result = ["hello world", "", ""]
+					done()
 
 			it "should be able to continue applying updates when the project has been deleted", (done) ->
 				actions = []
@@ -141,23 +143,24 @@ describe "Applying updates to a doc", ->
 						done()
 
 		describe "when older ops come in after the delete", ->
-			before ->
+			before (done) ->
 				[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 				lines = ["", "", ""]
-				MockWebApi.insertDoc @project_id, @doc_id, {
-					lines: lines
-					version: 0
-				}
-
-				@updates = [
-					{ doc_id: @doc_id, v: 0, op: [i: "h", p: 0 ] }
-					{ doc_id: @doc_id, v: 1, op: [i: "e", p: 1 ] }
-					{ doc_id: @doc_id, v: 2, op: [i: "l", p: 2 ] }
-					{ doc_id: @doc_id, v: 3, op: [i: "l", p: 3 ] }
-					{ doc_id: @doc_id, v: 4, op: [i: "o", p: 4 ] }
-					{ doc_id: @doc_id, v: 0, op: [i: "world", p: 1 ] }
-				]
-				@my_result = ["hello", "world", ""]
+				MockWebApi.insertDoc @project_id, @doc_id, lines: lines
+				db.docOps.insert doc_id: ObjectId(@doc_id), version: 0, (error) =>
+					throw error if error?
+
+					@updates = [
+						{ doc_id: @doc_id, v: 0, op: [i: "h", p: 0 ] }
+						{ doc_id: @doc_id, v: 1, op: [i: "e", p: 1 ] }
+						{ doc_id: @doc_id, v: 2, op: [i: "l", p: 2 ] }
+						{ doc_id: @doc_id, v: 3, op: [i: "l", p: 3 ] }
+						{ doc_id: @doc_id, v: 4, op: [i: "o", p: 4 ] }
+						{ doc_id: @doc_id, v: 0, op: [i: "world", p: 1 ] }
+					]
+					@my_result = ["hello", "world", ""]
+
+					done()
 
 			it "should be able to continue applying updates when the project has been deleted", (done) ->
 				actions = []
@@ -178,13 +181,12 @@ describe "Applying updates to a doc", ->
 	describe "with a broken update", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
-			DocUpdaterClient.sendUpdate @project_id, @doc_id, @undefined, (error) ->
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert doc_id: ObjectId(@doc_id), version: @version, (error) =>
 				throw error if error?
-				setTimeout done, 200
+				DocUpdaterClient.sendUpdate @project_id, @doc_id, @undefined, (error) ->
+					throw error if error?
+					setTimeout done, 200
 
 		it "should not update the doc", (done) ->
 			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
@@ -194,10 +196,6 @@ describe "Applying updates to a doc", ->
 	describe "with enough updates to flush to the track changes api", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: 0
-			}
 			updates = []
 			for v in [0..99] # Should flush after 50 ops
 				updates.push
@@ -207,9 +205,12 @@ describe "Applying updates to a doc", ->
 
 			sinon.spy MockTrackChangesApi, "flushDoc"
 
-			DocUpdaterClient.sendUpdates @project_id, @doc_id, updates, (error) =>
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert doc_id: ObjectId(@doc_id), version: 0, (error) =>
 				throw error if error?
-				setTimeout done, 200
+				DocUpdaterClient.sendUpdates @project_id, @doc_id, updates, (error) =>
+					throw error if error?
+					setTimeout done, 200
 
 		after ->
 			MockTrackChangesApi.flushDoc.restore()
@@ -217,72 +218,7 @@ describe "Applying updates to a doc", ->
 		it "should flush the doc twice", ->
 			MockTrackChangesApi.flushDoc.calledTwice.should.equal true
 
-	describe "when the document does not have a version in the web api but does in Mongo", ->
-		before (done) ->
-			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-			}
-
-			db.docOps.insert {
-				doc_id: ObjectId(@doc_id)
-				version: @version
-			}, (error) =>
-				throw error if error?
-				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
-					throw error if error?
-					setTimeout done, 200
-
-		it "should update the doc (using the mongo version)", (done) ->
-			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
-				doc.lines.should.deep.equal @result
-				done()
-
-	describe "when the document version in the web api is ahead of Mongo", ->
-		before (done) ->
-			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
-
-			db.docOps.insert {
-				doc_id: ObjectId(@doc_id)
-				version: @version - 20
-			}, (error) =>
-				throw error if error?
-				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
-					throw error if error?
-					setTimeout done, 200
-
-		it "should update the doc (using the web version)", (done) ->
-			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
-				doc.lines.should.deep.equal @result
-				done()
-
-	describe "when the document version in Mongo is ahead of the web api", ->
-		before (done) ->
-			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version - 20
-			}
-
-			db.docOps.insert {
-				doc_id: ObjectId(@doc_id)
-				version: @version
-			}, (error) =>
-				throw error if error?
-				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) ->
-					throw error if error?
-					setTimeout done, 200
-
-		it "should update the doc (using the web version)", (done) ->
-			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
-				doc.lines.should.deep.equal @result
-				done()
-
-	describe "when there is no version yet", ->
+	describe "when there is no version in Mongo", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 			MockWebApi.insertDoc @project_id, @doc_id, {

services/document-updater/test/acceptance/coffee/DeletingADocumentTests.coffee

@@ -1,6 +1,7 @@
 sinon = require "sinon"
 chai = require("chai")
 chai.should()
+{db, ObjectId} = require "../../../app/js/mongojs"
 
 MockWebApi = require "./helpers/MockWebApi"
 DocUpdaterClient = require "./helpers/DocUpdaterClient"
@@ -21,21 +22,24 @@ describe "Deleting a document", ->
 	describe "when the updated doc exists in the doc updater", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
 			sinon.spy MockWebApi, "setDocumentLines"
 			sinon.spy MockWebApi, "getDocument"
-			DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
+
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert {
+				doc_id: ObjectId(@doc_id)
+				version: @version
+			}, (error) =>
 				throw error if error?
-				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) =>
+				DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
 					throw error if error?
-					setTimeout () =>
-						DocUpdaterClient.deleteDoc @project_id, @doc_id, (error, res, body) =>
-							@statusCode = res.statusCode
-							done()
-					, 200
+					DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) =>
+						throw error if error?
+						setTimeout () =>
+							DocUpdaterClient.deleteDoc @project_id, @doc_id, (error, res, body) =>
+								@statusCode = res.statusCode
+								done()
+						, 200
 
 		after ->
 			MockWebApi.setDocumentLines.restore()
@@ -49,6 +53,16 @@ describe "Deleting a document", ->
 				.calledWith(@project_id, @doc_id, @result)
 				.should.equal true
 
+		it "should write the version to mongo", (done) ->
+			db.docOps.find {
+				doc_id: ObjectId(@doc_id)
+			}, {
+				version: 1
+			}, (error, docs) =>
+				doc = docs[0]
+				doc.version.should.equal @version + 1
+				done()
+
 		it "should need to reload the doc if read again", (done) ->
 			MockWebApi.getDocument.called.should.equal.false
 			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
@@ -62,7 +76,6 @@ describe "Deleting a document", ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 			MockWebApi.insertDoc @project_id, @doc_id, {
 				lines: @lines
-				version: @version
 			}
 			sinon.spy MockWebApi, "setDocumentLines"
 			sinon.spy MockWebApi, "getDocument"

services/document-updater/test/acceptance/coffee/FlushingDocsTests.coffee

@@ -19,41 +19,32 @@ describe "Flushing a doc to Mongo", ->
 			}]
 			v: @version
 		@result = ["one", "one and a half", "two", "three"]
-		MockWebApi.insertDoc @project_id, @doc_id, {
-			lines: @lines
-			version: @version
-		}
 
 	describe "when the updated doc exists in the doc updater", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines
-				version: @version
-			}
 			sinon.spy MockWebApi, "setDocumentLines"
-			sinon.spy MockWebApi, "setDocumentVersion"
 
-			DocUpdaterClient.sendUpdates @project_id, @doc_id, [@update], (error) =>
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert {
+				doc_id: ObjectId(@doc_id)
+				version: @version
+			}, (error) =>
 				throw error if error?
-				setTimeout () =>
-					DocUpdaterClient.flushDoc @project_id, @doc_id, done
-				, 200
+				DocUpdaterClient.sendUpdates @project_id, @doc_id, [@update], (error) =>
+					throw error if error?
+					setTimeout () =>
+						DocUpdaterClient.flushDoc @project_id, @doc_id, done
+					, 200
 
 		after ->
 			MockWebApi.setDocumentLines.restore()
-			MockWebApi.setDocumentVersion.restore()
 
 		it "should flush the updated doc lines to the web api", ->
 			MockWebApi.setDocumentLines
 				.calledWith(@project_id, @doc_id, @result)
 				.should.equal true
 
-		it "should flush the updated doc version to the web api", ->
-			MockWebApi.setDocumentVersion
-				.calledWith(@project_id, @doc_id, @version + 1)
-				.should.equal true
-
 		it "should store the updated doc version into mongo", (done) ->
 			db.docOps.find {
 				doc_id: ObjectId(@doc_id)
@@ -70,18 +61,13 @@ describe "Flushing a doc to Mongo", ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 			MockWebApi.insertDoc @project_id, @doc_id, {
 				lines: @lines
-				version: @version
 			}
 			sinon.spy MockWebApi, "setDocumentLines"
-			sinon.spy MockWebApi, "setDocumentVersion"
 			DocUpdaterClient.flushDoc @project_id, @doc_id, done
 
 		after ->
 			MockWebApi.setDocumentLines.restore()
-			MockWebApi.setDocumentVersion.restore()
 
 		it "should not flush the doc to the web api", ->
 			MockWebApi.setDocumentLines.called.should.equal false
-			MockWebApi.setDocumentVersion.called.should.equal false
-
 

services/document-updater/test/acceptance/coffee/GettingADocumentTests.coffee

@@ -1,20 +1,28 @@
 sinon = require "sinon"
 chai = require("chai")
 chai.should()
+{db, ObjectId} = require "../../../app/js/mongojs"
 
 MockWebApi = require "./helpers/MockWebApi"
 DocUpdaterClient = require "./helpers/DocUpdaterClient"
 
 describe "Getting a document", ->
+	beforeEach ->
+		@lines = ["one", "two", "three"]
+		@version = 42
+
 	describe "when the document is not loaded", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines = ["one", "two", "three"]
-				version: @version = 42
-			}
 			sinon.spy MockWebApi, "getDocument"
-			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) => done()
+
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert {
+				doc_id: ObjectId(@doc_id)
+				version: @version
+			}, (error) =>
+				throw error if error?
+				DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) => done()
 
 		after ->
 			MockWebApi.getDocument.restore()
@@ -33,14 +41,17 @@ describe "Getting a document", ->
 	describe "when the document is already loaded", ->
 		before (done) ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
-			MockWebApi.insertDoc @project_id, @doc_id, {
-				lines: @lines = ["one", "two", "three"]
-			}
-
-			DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
+			
+			MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+			db.docOps.insert {
+				doc_id: ObjectId(@doc_id)
+				version: @version
+			}, (error) =>
 				throw error if error?
-				sinon.spy MockWebApi, "getDocument"
-				DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) =>	done()
+				DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
+					throw error if error?
+					sinon.spy MockWebApi, "getDocument"
+					DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, @returnedDoc) =>	done()
 
 		after ->
 			MockWebApi.getDocument.restore()
@@ -56,7 +67,6 @@ describe "Getting a document", ->
 			[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 			MockWebApi.insertDoc @project_id, @doc_id, {
 				lines: @lines = ["one", "two", "three"]
-				version: 0
 			}
 
 			@updates = for v in [0..99]

services/document-updater/test/acceptance/coffee/SettingADocumentTests.coffee

@@ -1,12 +1,13 @@
 sinon = require "sinon"
 chai = require("chai")
 chai.should()
+{db, ObjectId} = require "../../../app/js/mongojs"
 
 MockWebApi = require "./helpers/MockWebApi"
 DocUpdaterClient = require "./helpers/DocUpdaterClient"
 
 describe "Setting a document", ->
-	before ->
+	before (done) ->
 		[@project_id, @doc_id] = [DocUpdaterClient.randomId(), DocUpdaterClient.randomId()]
 		@lines = ["one", "two", "three"]
 		@version = 42
@@ -21,15 +22,19 @@ describe "Setting a document", ->
 		@newLines = ["these", "are", "the", "new", "lines"]
 		@source = "dropbox"
 		@user_id = "user-id-123"
-		MockWebApi.insertDoc @project_id, @doc_id, {
-			lines: @lines
+		
+		MockWebApi.insertDoc @project_id, @doc_id, lines: @lines
+		db.docOps.insert {
+			doc_id: ObjectId(@doc_id)
 			version: @version
-		}
+		}, (error) =>
+			throw error if error?
+			done()
+				
 
 	describe "when the updated doc exists in the doc updater", ->
 		before (done) ->
 			sinon.spy MockWebApi, "setDocumentLines"
-			sinon.spy MockWebApi, "setDocumentVersion"
 			DocUpdaterClient.preloadDoc @project_id, @doc_id, (error) =>
 				throw error if error?
 				DocUpdaterClient.sendUpdate @project_id, @doc_id, @update, (error) =>
@@ -42,7 +47,6 @@ describe "Setting a document", ->
 
 		after ->
 			MockWebApi.setDocumentLines.restore()
-			MockWebApi.setDocumentVersion.restore()
 
 		it "should return a 204 status code", ->
 			@statusCode.should.equal 204
@@ -52,11 +56,6 @@ describe "Setting a document", ->
 				.calledWith(@project_id, @doc_id, @newLines)
 				.should.equal true
 
-		it "should send the updated doc version to the web api", ->
-			MockWebApi.setDocumentVersion
-				.calledWith(@project_id, @doc_id, @version + 2)
-				.should.equal true
-
 		it "should update the lines in the doc updater", (done) ->
 			DocUpdaterClient.getDoc @project_id, @doc_id, (error, res, doc) =>
 				doc.lines.should.deep.equal @newLines

services/document-updater/test/acceptance/coffee/helpers/MockWebApi.coffee

@@ -14,11 +14,6 @@ module.exports = MockWebApi =
 		@docs["#{project_id}:#{doc_id}"].lines = lines
 		callback null
 
-	setDocumentVersion: (project_id, doc_id, version, callback = (error) ->) ->
-		@docs["#{project_id}:#{doc_id}"] ||= {}
-		@docs["#{project_id}:#{doc_id}"].version = version
-		callback null
-
 	getDocument: (project_id, doc_id, callback = (error, doc) ->) ->
 		callback null, @docs["#{project_id}:#{doc_id}"]
 
@@ -34,11 +29,10 @@ module.exports = MockWebApi =
 
 		app.post "/project/:project_id/doc/:doc_id", express.bodyParser(), (req, res, next) =>
 			MockWebApi.setDocumentLines req.params.project_id, req.params.doc_id, req.body.lines, (error) ->
-				MockWebApi.setDocumentVersion req.params.project_id, req.params.doc_id, req.body.version, (error) ->
-					if error1? or error2?
-						res.send 500
-					else
-						res.send 204
+				if error?
+					res.send 500
+				else
+					res.send 204
 
 		app.listen 3000, (error) ->
 			throw error if error?

services/document-updater/test/unit/coffee/PersistenceManager/getDocFromWebTests.coffee

@@ -16,7 +16,6 @@ describe "PersistenceManager.getDocFromWeb", ->
 		@project_id = "project-id-123"
 		@doc_id = "doc-id-123"
 		@lines = ["one", "two", "three"]
-		@version = 42
 		@callback = sinon.stub()
 		@Settings.apis =
 			web:
@@ -26,7 +25,7 @@ describe "PersistenceManager.getDocFromWeb", ->
 
 	describe "with a successful response from the web api", ->
 		beforeEach ->
-			@request.callsArgWith(1, null, {statusCode: 200}, JSON.stringify(lines: @lines, version: @version))
+			@request.callsArgWith(1, null, {statusCode: 200}, JSON.stringify(lines: @lines))
 			@PersistenceManager.getDocFromWeb(@project_id, @doc_id, @callback)
 
 		it "should call the web api", ->
@@ -44,8 +43,8 @@ describe "PersistenceManager.getDocFromWeb", ->
 				})
 				.should.equal true
 
-		it "should call the callback with the doc lines and version", ->
-			@callback.calledWith(null, @lines, @version).should.equal true
+		it "should call the callback with the doc lines", ->
+			@callback.calledWith(null, @lines).should.equal true
 
 		it "should time the execution", ->
 			@Metrics.Timer::done.called.should.equal true

services/document-updater/test/unit/coffee/PersistenceManager/getDocTests.coffee

@@ -24,10 +24,10 @@ describe "PersistenceManager.getDoc", ->
 		@lines = ["mock", "doc", "lines"]
 		@version = 42
 
-	describe "when the version is set in the web api but not Mongo", ->
+	describe "successfully", ->
 		beforeEach ->
-			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines, @version)
-			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, null)
+			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines)
+			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, @version)
 			@PersistenceManager.getDoc @project_id, @doc_id, @callback
 
 		it "should look up the doc in the web api", ->
@@ -43,44 +43,4 @@ describe "PersistenceManager.getDoc", ->
 		it "should call the callback with the lines and version", ->
 			@callback.calledWith(null, @lines, @version).should.equal true
 
-	describe "when the version is not set in the web api, but is in Mongo", ->
-		beforeEach ->
-			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines, null)
-			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, @version)
-			@PersistenceManager.getDoc @project_id, @doc_id, @callback
-
-		it "shoud log a warning", ->
-			@logger.warn
-				.calledWith(project_id: @project_id, doc_id: @doc_id, "loading doc version from mongo - deprecated")
-				.should.equal true
-
-		it "should call the callback with the lines and version", ->
-			@callback.calledWith(null, @lines, @version).should.equal true
-
-	describe "when the version in the web api is ahead of Mongo", ->
-		beforeEach ->
-			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines, @version)
-			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, @version - 20)
-			@PersistenceManager.getDoc @project_id, @doc_id, @callback
-
-		it "should call the callback with the web version", ->
-			@callback.calledWith(null, @lines, @version).should.equal true
-
-	describe "when the version in the web api is behind Mongo", ->
-		beforeEach ->
-			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines, @version - 20)
-			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, @version)
-			@PersistenceManager.getDoc @project_id, @doc_id, @callback
-
-		it "should call the callback with the Mongo version", ->
-			@callback.calledWith(null, @lines, @version).should.equal true
-
-	describe "when the version is not set", ->
-		beforeEach ->
-			@PersistenceManager.getDocFromWeb = sinon.stub().callsArgWith(2, null, @lines, null)
-			@PersistenceManager.getDocVersionInMongo = sinon.stub().callsArgWith(1, null, null)
-			@PersistenceManager.getDoc @project_id, @doc_id, @callback
-
-		it "should call the callback with the lines and version = 0", ->
-			@callback.calledWith(null, @lines, 0).should.equal true
 

services/document-updater/test/unit/coffee/PersistenceManager/getDocVersionInMongoTests.coffee

@@ -42,5 +42,5 @@ describe "PersistenceManager.getDocVersionInMongo", ->
 				@db.docOps.find = sinon.stub().callsArgWith(2, null, [])
 				@PersistenceManager.getDocVersionInMongo @doc_id, @callback
 
-			it "should call the callback with null", ->
-				@callback.calledWith(null, null).should.equal true
+			it "should call the callback with 0", ->
+				@callback.calledWith(null, 0).should.equal true

services/document-updater/test/unit/coffee/PersistenceManager/setDocInWebTests.coffee

@@ -16,7 +16,6 @@ describe "PersistenceManager.setDocInWeb", ->
 		@project_id = "project-id-123"
 		@doc_id = "doc-id-123"
 		@lines = ["one", "two", "three"]
-		@version = 42
 		@callback = sinon.stub()
 		@Settings.apis =
 			web:
@@ -27,7 +26,7 @@ describe "PersistenceManager.setDocInWeb", ->
 	describe "with a successful response from the web api", ->
 		beforeEach ->
 			@request.callsArgWith(1, null, {statusCode: 200}, JSON.stringify(lines: @lines, version: @version))
-			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @version, @callback)
+			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @callback)
 
 		it "should call the web api", ->
 			@request
@@ -35,7 +34,6 @@ describe "PersistenceManager.setDocInWeb", ->
 					url: "#{@url}/project/#{@project_id}/doc/#{@doc_id}"
 					body: JSON.stringify
 						lines: @lines
-						version: @version
 					method: "POST"
 					headers:
 						"content-type": "application/json"
@@ -56,7 +54,7 @@ describe "PersistenceManager.setDocInWeb", ->
 	describe "when request returns an error", ->
 		beforeEach ->
 			@request.callsArgWith(1, @error = new Error("oops"), null, null)
-			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @version, @callback)
+			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @callback)
 
 		it "should return the error", ->
 			@callback.calledWith(@error).should.equal true
@@ -67,7 +65,7 @@ describe "PersistenceManager.setDocInWeb", ->
 	describe "when the request returns 404", ->
 		beforeEach ->
 			@request.callsArgWith(1, null, {statusCode: 404}, "")
-			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @version, @callback)
+			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @callback)
 			
 		it "should return a NotFoundError", ->
 			@callback.calledWith(new Errors.NotFoundError("not found")).should.equal true
@@ -78,7 +76,7 @@ describe "PersistenceManager.setDocInWeb", ->
 	describe "when the request returns an error status code", ->
 		beforeEach ->
 			@request.callsArgWith(1, null, {statusCode: 500}, "")
-			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @version, @callback)
+			@PersistenceManager.setDocInWeb(@project_id, @doc_id, @lines, @callback)
 			
 		it "should return an error", ->
 			@callback.calledWith(new Error("web api error")).should.equal true

services/document-updater/test/unit/coffee/PersistenceManager/setDocTests.coffee

@@ -18,16 +18,15 @@ describe "PersistenceManager.setDoc", ->
 		@doc_id = "mock-doc-id"
 		@callback = sinon.stub()
 		@lines = ["mock", "doc", "lines"]
-		@version = 42
 
-		@PersistenceManager.setDocInWeb = sinon.stub().callsArg(4)
+		@PersistenceManager.setDocInWeb = sinon.stub().callsArg(3)
 		@PersistenceManager.setDocVersionInMongo = sinon.stub().callsArg(2)
 
 		@PersistenceManager.setDoc @project_id, @doc_id, @lines, @version, @callback
 
 	it "should set the doc in the web api", ->
 		@PersistenceManager.setDocInWeb
-			.calledWith(@project_id, @doc_id, @lines, @version)
+			.calledWith(@project_id, @doc_id, @lines)
 			.should.equal true
 
 	it "should set the doc version in mongo", ->