overleaf/services/clsi/test/acceptance/coffee/UrlCachingTests.coffee
2014-02-12 17:27:43 +00:00

220 lines
5.6 KiB
CoffeeScript

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