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Unified API for multiple optimizer engines
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Latest commit 28a8e1f Mar 27, 2019

Mapotempo Optimizer API

Run an optimizer depending of contraints for a Vehicle Routing Problem (VRP).


For ruby, bundler and gems, rbenv or rvm are recommanded.

On Ubuntu

  • Ruby 2.1+ (if not using rbenv/rvm)
sudo apt install ruby-full
  • redis-server
sudo apt install redis-server
  • libgeos-dev
sudo apt install libgeos-dev

On Mac OS

brew install redis
brew install geos


bundle install

This project requires some solver and interface projects in order to be fully functionnal!


Adjust config/environments files.


bundle exec rake server

And in production mode:

APP_ENV=production bundle exec rake server

Start Redis and then start the worker

APP_ENV=production COUNT=5 QUEUE=* bundle exec rake resque:workers


The API is defined in Swagger format at http://localhost:1791/swagger_doc and can be tested with Swagger-UI

curl -X POST --header "Content-Type:application/json" --data '{"vrp":{vehicles":[]}}' http://localhost:1791/0.1/vrp/submit.json?api_key=key


Run tests:

APP_ENV=test ROUTER_URL=http://localhost:4899 bundle exec rake test

You can add your own tests on specific Vehicle Routing Problem (for instance data from real cases). Let's see how to create a new test called "new_test". You will find template for test in test/real_cases_test.rb

Before creating test, you need to capture scenario. Launch process with environment variable DUMP_VRP to record it:

DUMP_VRP=new_test bundle exec rake server
DUMP_VRP=new_test COUNT=5 QUEUE=* bundle exec rake resque:workers

Just run the original scenario to record it. Then two files are created in test/fixtures after running scenario:

  • new_test.json file corresponding to original vrp sent by api
  • new_test.dump file corresponding to complete vrp (for instance containing matrices if they are not provided in original vrp)

Now to create your test, just copy test template in test/wrappers/real_cases_test.rb with either .json or .dump depending on your data (e.g. if your vrp sent to api contains matrices you can use .json file, in other case use .dump file.)

If you create a test by using .dump, your test will fail as soon as vrp model is changed. Just run following task to update fixtures:

DUMP_VRP=my_test APP_ENV=test bundle exec rake test TEST=test/real_cases_test.rb

TODO: create a task to update all fixtures at once.

Note: you can update a test and run the modified scenario with new vrp .json:

bundle exec rake server
COUNT=5 QUEUE=* bundle exec rake resque:workers
curl -X POST --header "Content-Type:application/json" --data @test/fixtures/my_test.json http://localhost:1791/0.1/vrp/submit.json?api_key=key

If you don't want to run real cases tests you can deactive them:

SKIP_REAL_CASES=true APP_ENV=test bundle exec rake test
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