Karate mock server port of https://automationrhapsody.com/build-a-rest-stub-server-with-dropwizard/

person-mock.feature

Feature: person mock server

Background:
* def persons =
"""
{
  '1': { id: 1, firstName: 'FN1', lastName: 'LN1', email: 'email1@email.com' },
  '2': { id: 2, firstName: 'FN2', lastName: 'LN2', email: 'email2@email.com' },
  '3': { id: 3, firstName: 'FN3', lastName: 'LN3', email: 'email3@email.com' },
  '4': { id: 4, firstName: 'FN4', lastName: 'LN4', email: 'email4@email.com' }
}
"""

Scenario: pathMatches('/person/get/{id}')
    * def response = persons[pathParams.id]

Scenario: pathMatches('/person/remove')
    * def list = $persons.*
    * eval if (list.length) karate.remove('persons', '$.' + list[0].id)

Scenario: pathMatches('/person/all')
    * def response = $persons.*

Scenario: methodIs('post')
    * def person = request
    * def id = person.id || ~~(persons.length + 1)
    * set person.id = id
    * eval persons[id + ''] = person
    * def response = person

Instructions:

1. save the above gist as person-mock.feature
2. download the Karate binary (only requires a JRE 8 to run) : https://dl.bintray.com/ptrthomas/karate/ (take the latest version available)
3. java -jar karate-netty-0.7.0.RC7-all.jar -m person-mock.feature -p 9000

You can try the following URL-s:
http://localhost:9000/person/get/2
http://localhost:9000/person/all
http://localhost:9000/person/remove (and re-try the above)