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README.md

Build Status Code Climate Test Coverage

PutsReq

PutsReq lets you record HTTP requests and simulate responses like no other tool available. Try it now!

Check this post: Play Rock-paper-scissors with Slack and PutsReq for some other examples.

Getting Started

Response Builder

The Response Builder is the place where you can create your responses using JavaScript V8.

Check the list below with the request attributes you can access to create your own responses:

request

// curl -X POST -H 'X-MyHeader: MyHeaderValue' -d 'name=Pablo' https://putsreq.com/<YOUR-TOKEN>

request.request_method
// => POST

request.body
// => name=Pablo

request.params.name
// => Pablo

request.headers['HTTP_X_MYHEADER']
// => MyHeaderValue

Parsing a JSON request:

// curl -i -X POST -H 'Content-Type: application/json' -d '{"message":"Hello World"}' https://putsreq.com/<YOUR-TOKEN>

var parsedBody = JSON.parse(request.body)

parsedBody.message
// => Hello World

response

response.status = 200 // default value
response.headers = {} // default value
response.body = 'ok' // default value

Returning a JSON response:

response.headers['Content-Type'] = 'application/json'

response.body = { message: 'Hello World' }

forwardTo

If you only want to log your requests, you can use PutsReq just as a proxy for your requests.

request.forwardTo = 'http://example.com/api'

But you can always modify requests before forwarding them.

// add or change a header
request.headers['X-MyNewHeader'] = 'MyHeaderValue'

var parsedBody = JSON.parse(request.body)

// add or change a value
parsedBody['my_new_key'] = 'my new value'

request.body = parsedBody

request.forwardTo = 'http://example.com/api'

CLI

Do want to test Webhook calls against your localhost? PutsReq makes it easy!

You can think of it, as a kind of ngrok, but instead of creating a tunnel to your localhost, PutsReq polls requests from YOUR-PUTSREQ-TOKEN and forwards to your localhost.

gem install putsreq

putsreq forward --to http://localhost:3000 --token YOUR-TOKEN

Listening requests from YOUR-TOKEN
Forwarding to http://localhost:3000
Press CTRL+c to terminate
2016-12-21 20:49:54 -0200       POST    200

Ajax

PutsReq supports CORS, so you can use it to test your Ajax calls.

<html>
  <head>
    <title>Your Website</title>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
    <script>
    // Sample PutsReq Response Builder
    // https://putsreq.com/<YOUR-TOKEN>/inspect
    // response.headers['Content-Type'] = 'application/json';
    // response.body = { 'message': 'Hello World' };

    // Sample Ajax call
    $.get('https://putsreq.com/<YOUR-TOKEN>', function(data) {
      alert(data.message);
      // => 'Hello World'
    });
    </script>
  </head>
  <body>
  </body>
</html>

Sample Integration Tests

https://github.com/phstc/putsreq_integration_sample

Steps to run PutsReq in development

For following the instructions below, you will need to install Docker.

cd ~/workspace

git clone git@github.com:phstc/putsreq.git

docker-compose up -d

open http://localhost:3000

docker-compose logs --follow --tail=100 app

Running tests

docker-compose run app bundle exec rspec

Production

In production (Heroku), PutsReq runs on mLab sandbox, with a storage of 500 MB. For avoiding exceeding the capacity, the requests and responses collections must be converted into capped collections.

db.runCommand({ convertToCapped: 'requests', size: 15000000 })
db.runCommand({ convertToCapped: 'responses', size: 15000000 })

Production setup through Docker

This walks you through a quick guideline in order to setup PutsReq on your own server through Docker and Docker Compose. Please read this section carefully and know what you are doing in order not to lose any data.

Configuration

The docker-compose.yml file.

version: '3.6'
services:
  db:
    image: mongo:3.6.17
    tty: true
    stdin_open: true
    volumes:
      - data:/data/db
  redis:
    image: redis:alpine
  app:
    image: daqzilla/putsreq
    tty: true
    stdin_open: true
    command: /bin/sh -c "rm -f /app/tmp/pids/server.pid && bundle exec rails server -p 3000 -b '0.0.0.0'"
    ports:
      - '5050:3000'
    env_file:
      - .env.docker
    depends_on:
      - db
      - redis
volumes:
  data:
    external:
      name: putsreq_mongodb

The .env.docker file.

RAILS_ENV=production
MONGOLAB_URI=mongodb://db
REDIS_URL=redis://redis
DEVISE_SECRET_KEY=123
SECRET_TOKEN=123

External Docker volume FTW

The external volume referenced within the docker-compose.yml file has been created by invoking:

docker volume create --name=putsreq_mongodb

The rationale for creating the external volume is https://stackoverflow.com/questions/53870416/data-does-not-persist-to-host-volume-with-docker-compose-yml-for-mongodb. Otherwise, data stored in MongoDB might get lost as already observed by @ddavtian within #51.

Reverse-proxy configuration for Nginx

Last but not least, this Nginx snippet has been used for configuring a HTTP reverse proxy to the PutsReq instance:

server {
    listen 443 ssl;
    listen [::]:443 ssl;

    server_name putsreq.example.org;

    #include snippets/snakeoil.conf;
    include snippets/ssl/putsreq.example.org;

    proxy_buffering off;

    location / {
        proxy_set_header        Host               $http_host;
        proxy_set_header        X-Real-IP          $remote_addr;
        proxy_set_header        X-Forwarded-For    $proxy_add_x_forwarded_for;
        proxy_set_header        X-Forwarded-Proto  $scheme;
        proxy_pass              http://localhost:5050/;
    }

}

Ready-made Docker image on Docker Hub

The Docker image on https://hub.docker.com/r/daqzilla/putsreq has been amended using the patch putsreq-production.patch.txt.

It is not the most performant way to compile and serve assets like that on a production instance, precompiling and serving them from a webserver in a static manner should be preferred.

Outlook

Improving this quick & dirty production-configuration would be nice, pull requests are welcome. In order to make that possible, a) the image on Docker Hub should be republished without the amendments but with precompiled assets and b) the Nginx snippet should be adjusted to serve the assets in a static manner.

The Docker images published to https://hub.docker.com/u/daqzilla have been built like that:

# Acquire sources
git clone https://github.com/phstc/putsreq
cd putsreq

# Apply patch
wget https://github.com/phstc/putsreq/files/4554757/putsreq-production.patch.txt
patch -p1 < putsreq-production.patch.txt

# Build
docker build --tag daqzilla/putsreq:latest .

# Upload
docker login
docker push daqzilla/putsreq

License

Please see LICENSE for licensing details.

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