added unit tests for project state hash

services/web/test/UnitTests/coffee/Compile/ClsiStateManagerTests.coffee

@@ -0,0 +1,148 @@
+sinon = require('sinon')
+chai = require('chai')
+should = chai.should()
+expect = chai.expect
+modulePath = "../../../../app/js/Features/Compile/ClsiStateManager.js"
+SandboxedModule = require('sandboxed-module')
+
+describe "ClsiStateManager", ->
+	beforeEach ->
+		@ClsiStateManager = SandboxedModule.require modulePath, requires:
+			"settings-sharelatex": @settings = {}
+			"../Project/ProjectEntityHandler": @ProjectEntityHandler = {}
+			"logger-sharelatex": @logger = { log: sinon.stub(), error: sinon.stub(), warn: sinon.stub() }
+		@project = "project"
+		@callback = sinon.stub()
+
+	describe "computeHash", ->
+		beforeEach (done) ->
+			@docs = [
+				{path: "/main.tex", doc: {_id: "doc-id-1"}}
+				{path: "/folder/sub.tex", doc: {_id: "doc-id-2"}}
+			]
+			@files = [
+				{path: "/figure.pdf", file: {_id: "file-id-1", rev: 123, created: "aaaaaa"}}
+				{path: "/folder/fig2.pdf", file: {_id: "file-id-2", rev: 456, created: "bbbbbb"}}
+			]
+			@ProjectEntityHandler.getAllEntitiesFromProject = sinon.stub().callsArgWith(1, null, @docs, @files)
+			@ClsiStateManager.computeHash @project, (err, hash) =>
+				@hash0 = hash
+				done()
+
+		describe "with a sample project", ->
+			beforeEach ->
+				@ClsiStateManager.computeHash @project, @callback
+
+			it "should call the callback with a hash value", ->
+				@callback
+					.calledWith(null, "9c2c2428e4147db63cacabf6f357af483af6551d")
+					.should.equal true
+
+		describe "when the files and docs are in a different order", ->
+			beforeEach ->
+				[@docs[0], @docs[1]] = [@docs[1], @docs[0]]
+				[@files[0], @files[1]] = [@files[1], @files[0]]
+				@ClsiStateManager.computeHash @project, @callback
+
+			it "should call the callback with the same hash value", ->
+				@callback
+					.calledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a doc is renamed", ->
+			beforeEach (done) ->
+				@docs[0].path = "/new.tex"
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a file is renamed", ->
+			beforeEach (done) ->
+				@files[0].path = "/newfigure.pdf"
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a doc is added", ->
+			beforeEach (done) ->
+				@docs.push { path: "/newdoc.tex", doc: {_id: "newdoc-id"}}
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a file is added", ->
+			beforeEach (done) ->
+				@files.push { path: "/newfile.tex", file: {_id: "newfile-id", rev: 123}}
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a doc is removed", ->
+			beforeEach (done) ->
+				@docs.pop()
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a file is removed", ->
+			beforeEach (done) ->
+				@files.pop()
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+		describe "when a file's revision is updated", ->
+			beforeEach (done) ->
+				@files[0].file.rev++
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+
+
+		describe "when a file's date is updated", ->
+			beforeEach (done) ->
+				@files[0].file.created = "zzzzzz"
+				@ClsiStateManager.computeHash @project, (err, hash) =>
+					@hash1 = hash
+					done()
+
+			it "should call the callback with a different hash value", ->
+				@callback
+					.neverCalledWith(null, @hash0)
+					.should.equal true
+