async = require 'async'
should = require('chai').should()
rack = require '../.'
express = require 'express.io'
easyrequest = require 'request'
fs = require 'fs'

describe 'a rack', ->
    app = null
    it 'should work with no hash', (done) ->
        app = express().http()
        app.use assets = new rack.Rack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'test'
            new rack.Asset
                url: '/blank-again.txt'
                contents: 'test-again'
        ]
        app.listen 7076, ->
            async.parallel [
                (next) ->
                    easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        should.not.exist response.headers['cache-control']
                        body.should.equal 'test'
                        next()
                (next) ->
                    easyrequest 'http://localhost:7076/blank-again.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        should.not.exist response.headers['cache-control']
                        body.should.equal 'test-again'
                        next()
            ], ->
                done()

    it 'should work with hash', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
        ]
        app.listen 7076, ->
            easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                response.headers['content-type'].should.equal 'text/plain'
                response.headers['cache-control'].should.equal 'public, max-age=31536000'
                body.should.equal 'asset-rack'
                done()

    it 'should work with no hash option', (done) ->
        app = express().http()
        app.use asset = new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
                hash: false
        ]
        app.listen 7076, ->
            easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                response.headers['content-type'].should.equal 'text/plain'
                should.not.exist response.headers['cache-control']
                body.should.equal 'asset-rack'
                done()
            #easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
            #    throw new Error 'should not work' if response.statusCode is 200

    it 'should work with hash option', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
        ]
        app.listen 7076, ->
            easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                response.headers['content-type'].should.equal 'text/plain'
                response.headers['cache-control'].should.equal 'public, max-age=31536000'
                body.should.equal 'asset-rack'
                done()
            #easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
            #    throw new Error 'should not work' if response.statusCode is 200
        
    it 'should set caches', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
                maxAge: 3600
        ]
        app.listen 7076, ->
            async.parallel [
                (next) ->
                    easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        should.not.exist response.headers['cache-control']
                        body.should.equal 'asset-rack'
                        next()
                    easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
            ], ->
                done()

    it 'should set caches with allow no hash option', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
                maxAge: 3600
                allowNoHashCache: true
        ]
        app.listen 7076, ->
            async.parallel [
                (next) ->
                    easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
                    easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
            ], ->
                done()

    it 'should set caches for globals', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
        ],
            maxAge: 3600
        app.listen 7076, ->
            async.parallel [
                (next) ->
                    easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        should.not.exist response.headers['cache-control']
                        body.should.equal 'asset-rack'
                        next()
                    easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
            ], ->
                done()

    it 'should set caches with allow no hash option for globals', (done) ->
        app = express().http()
        app.use new rack.AssetRack [
            new rack.Asset
                url: '/blank.txt'
                contents: 'asset-rack'
        ],
            maxAge: 3600
            allowNoHashCache: true
        app.listen 7076, ->
            async.parallel [
                (next) ->
                    easyrequest 'http://localhost:7076/blank.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
                    easyrequest 'http://localhost:7076/blank-8ac5a0913aa77cb8570e8f2b96e0a1e7.txt', (error, response, body) ->
                        response.headers['content-type'].should.equal 'text/plain'
                        response.headers['cache-control'].should.equal 'public, max-age=3600'
                        body.should.equal 'asset-rack'
                        next()
            ], ->
                done()
        
    afterEach (done) -> process.nextTick ->
        app.server.close done