overleaf/services/clsi/test/acceptance/coffee/UrlCachingTests.coffee

# Client = require "./helpers/Client"
# request = require "request"
# require("chai").should()
# sinon = require "sinon"
# ClsiApp = require "./helpers/ClsiApp"

# host = "localhost"

# Server =
# 	run: () ->
# 		express = require "express"
# 		app = express()

# 		staticServer = express.static __dirname + "/../fixtures/"
# 		app.get "/:random_id/*", (req, res, next) =>
# 			@getFile(req.url)
# 			req.url = "/" + req.params[0]
# 			staticServer(req, res, next)

# 		app.listen 31415, host

# 	getFile: () ->

# 	randomId: () ->
# 		Math.random().toString(16).slice(2)

# Server.run()

# describe "Url Caching", ->
# 	describe "Downloading an image for the first time", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 				}]

# 			sinon.spy Server, "getFile"
# 			ClsiApp.ensureRunning =>
# 				Client.compile @project_id, @request, (@error, @res, @body) => done()

# 		afterEach ->
# 			Server.getFile.restore()

# 		it "should download the image", ->
# 			Server.getFile
# 				.calledWith("/" + @file)
# 				.should.equal true
				
# 	describe "When an image is in the cache and the last modified date is unchanged", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, @image_resource = {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 					modified: Date.now()
# 				}]

# 			Client.compile @project_id, @request, (@error, @res, @body) =>
# 				sinon.spy Server, "getFile"
# 				Client.compile @project_id, @request, (@error, @res, @body) =>
# 					done()

# 		after ->
# 			Server.getFile.restore()

# 		it "should not download the image again", ->
# 			Server.getFile.called.should.equal false

# 	describe "When an image is in the cache and the last modified date is advanced", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, @image_resource = {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 					modified: @last_modified = Date.now()
# 				}]

# 			Client.compile @project_id, @request, (@error, @res, @body) =>
# 				sinon.spy Server, "getFile"
# 				@image_resource.modified = new Date(@last_modified + 3000)
# 				Client.compile @project_id, @request, (@error, @res, @body) =>
# 					done()

# 		afterEach ->
# 			Server.getFile.restore()

# 		it "should download the image again", ->
# 			Server.getFile.called.should.equal true

# 	describe "When an image is in the cache and the last modified date is further in the past", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, @image_resource = {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 					modified: @last_modified = Date.now()
# 				}]

# 			Client.compile @project_id, @request, (@error, @res, @body) =>
# 				sinon.spy Server, "getFile"
# 				@image_resource.modified = new Date(@last_modified - 3000)
# 				Client.compile @project_id, @request, (@error, @res, @body) =>
# 					done()

# 		afterEach ->
# 			Server.getFile.restore()

# 		it "should not download the image again", ->
# 			Server.getFile.called.should.equal false

# 	describe "When an image is in the cache and the last modified date is not specified", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, @image_resource = {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 					modified: @last_modified = Date.now()
# 				}]

# 			Client.compile @project_id, @request, (@error, @res, @body) =>
# 				sinon.spy Server, "getFile"
# 				delete @image_resource.modified
# 				Client.compile @project_id, @request, (@error, @res, @body) =>
# 					done()

# 		afterEach ->
# 			Server.getFile.restore()

# 		it "should download the image again", ->
# 			Server.getFile.called.should.equal true
		
# 	describe "After clearing the cache", ->
# 		before (done) ->
# 			@project_id = Client.randomId()
# 			@file = "#{Server.randomId()}/lion.png"
# 			@request =
# 				resources: [{
# 					path: "main.tex"
# 					content: '''
# 						\\documentclass{article}
# 						\\usepackage{graphicx}
# 						\\begin{document}
# 						\\includegraphics{lion.png}
# 						\\end{document}
# 					'''
# 				}, @image_resource = {
# 					path: "lion.png"
# 					url: "http://#{host}:31415/#{@file}"
# 					modified: @last_modified = Date.now()
# 				}]

# 			Client.compile @project_id, @request, (error) =>
# 				throw error if error?
# 				Client.clearCache @project_id, (error, res, body) =>
# 					throw error if error?
# 					sinon.spy Server, "getFile"
# 					Client.compile @project_id, @request, (@error, @res, @body) =>
# 						done()

# 		afterEach ->
# 			Server.getFile.restore()

# 		it "should download the image again", ->
# 			Server.getFile.called.should.equal true