Add in methods for retrieving updates and doc version

services/track-changes/test/unit/coffee/DocumentUpdaterManager/DocumentUpdaterManagerTests.coffee

@@ -0,0 +1,52 @@
+sinon = require('sinon')
+chai = require('chai')
+should = chai.should()
+expect = chai.expect
+modulePath = "../../../../app/js/DocumentUpdaterManager.js"
+SandboxedModule = require('sandboxed-module')
+
+describe "DocumentUpdaterManager", ->
+	beforeEach ->
+		@DocumentUpdaterManager = SandboxedModule.require modulePath, requires:
+			"request": @request = {}
+			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub() }
+			'settings-sharelatex': @settings =
+				apis : documentupdater: url : "http://example.com"
+		@callback = sinon.stub()
+		@lines = ["one", "two", "three"]
+		@version = 42
+
+	describe "getDocument", ->
+		describe "successfully", ->
+			beforeEach ->
+				@body = JSON.stringify
+					lines: @lines
+					version: @version
+					ops: []
+				@request.get = sinon.stub().callsArgWith(1, null, {statusCode: 200}, @body)
+				@DocumentUpdaterManager.getDocument @project_id, @doc_id, @callback
+
+			it 'should get the document from the document updater', ->
+				url = "#{@settings.apis.documentupdater.url}/project/#{@project_id}/doc/#{@doc_id}"
+				@request.get.calledWith(url).should.equal true
+
+			it "should call the callback with the lines and version", ->
+				@callback.calledWith(null, @lines, @version, @ops).should.equal true
+
+		describe "when the document updater API returns an error", ->
+			beforeEach ->
+				@request.get = sinon.stub().callsArgWith(1, @error = new Error("something went wrong"), null, null)
+				@DocumentUpdaterManager.getDocument @project_id, @doc_id, @callback
+
+			it "should return an error to the callback", ->
+				@callback.calledWith(@error).should.equal true
+
+		describe "when the document updater returns a failure error code", ->
+			beforeEach ->
+				@request.get = sinon.stub().callsArgWith(1, null, { statusCode: 500 }, "")
+				@DocumentUpdaterManager.getDocument @project_id, @doc_id, @callback
+
+			it "should return the callback with an error", ->
+				@callback
+					.calledWith(new Error("doc updater returned failure status code: 500"))
+					.should.equal true

services/track-changes/test/unit/coffee/MongoManager/MongoManagerTests.coffee

@@ -131,3 +131,33 @@ describe "MongoManager", ->
 
 		it "should call the callback", ->
 			@callback.called.should.equal true
+
+	describe "getUpdatesBetweenDates", ->
+		beforeEach ->
+			@updates = ["mock-update"]
+			@db.docHistory = {}
+			@db.docHistory.find = sinon.stub().returns @db.docHistory
+			@db.docHistory.sort = sinon.stub().returns @db.docHistory
+			@db.docHistory.toArray = sinon.stub().callsArgWith(0, null, @updates)
+
+			@from = new Date(Date.now())
+			@to = new Date(Date.now() + 100000)
+
+			@MongoManager.getUpdatesBetweenDates @doc_id, @from, @to, @callback
+
+		it "should find the updates for the doc", ->
+			@db.docHistory.find
+				.calledWith({
+					doc_id: ObjectId(@doc_id)
+					"meta.start_ts": { $gte: @from }
+					"meta.end_ts": { $lte: @to }
+				})
+				.should.equal true
+
+		it "should sort in descending timestamp order", ->
+			@db.docHistory.sort
+				.calledWith("meta.end_ts": -1)
+				.should.equal true
+
+		it "should call the call back with the updates", ->
+			@callback.calledWith(null, @updates).should.equal true