added some cucumber tests for API v2.0

devops-service/features/image.feature

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+Feature: Manage images
+
+  Scenario: Get list of all images
+    When I send GET '/v2.0/images' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be an array
+    And response should be JSON, images list:
+    """
+    [
+      {
+        "provider": "foo_provider",
+        "name": "foo_name",
+        "remote_user": "foo_user",
+        "bootstrap_template": "foo_template",
+        "id": "foo_id"
+      }
+    ]
+    """
+
+  Scenario: Get info for single image
+    When I send GET '/v2.0/image/ami-83e4bcea' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be a hash
+    And response should be JSON, image object:
+    """
+      {
+        "provider": "foo_provider",
+        "name": "foo_name",
+        "remote_user": "foo_user",
+        "bootstrap_template": "foo_template",
+        "id": "b79994de"
+      }
+    """

devops-service/features/project.feature

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+Feature: Manage projects
+  Scenario: Get list of all projects
+    When I send GET '/v2.0/projects' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be an array
+    And the array elements should be strings

devops-service/features/server.feature

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+Feature: Create server for existing environment
+  Scenario: Get project 'test'
+    When I send GET '/v2.0/project/test' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be a hash
+    And the project should contains environment 'ec2'
+
+  Scenario: Get servers list
+    When I send GET '/v2.0/servers' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be an array
+    And the list should be saved
+
+  @ignore @long
+  Scenario: Create new server with bootstraping
+    When I send POST '/v2.0/server' query with params '{"project": "test", "deploy_env": "test"}'
+    Then response should be '200'
+
+  Scenario: Create new server without bootstraping
+    When I send POST '/v2.0/server' query with params '{ "project": "test", "deploy_env": "test", "without_bootstrap": true }'
+    Then response should be '200'
+
+  Scenario: Get new servers list
+    When I send GET '/v2.0/servers' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be an array
+    And the list should contains new server
+
+  Scenario: reserve new server
+    When I reserve new server
+    Then response should be '201'
+
+  @ignore
+  Scenario: get reserved servers list
+    When I send GET '/v2.0/servers?reserved=true' query
+    Then response should be '200'
+    And the Content-Type header should include 'application/json'
+    And the JSON response should be an array
+    And the list should contains reserved server
+
+  Scenario: Pause server
+    When I pause new server
+    Then response should be '200'
+    And sleep '20' seconds
+
+  Scenario: Unpause server
+    When I unpause new server
+    Then response should be '200'
+    And sleep '20' seconds
+
+  Scenario: Deploy server
+    When I deploy new server
+    Then response should be '200'
+
+  Scenario: Delete server
+    When I delete new server
+    Then response should be '200'

devops-service/features/step_definitions/http_queries_steps.rb

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+DEFAULT_HEADERS = {
+  "REMOTE_USER" => "user_for_testing",
+  'Content-Type' => 'application/json',
+  'Accept' => 'application/json'
+}
+When(/^I send GET '(.*)' query$/) do |path|
+  get(path, {}, DEFAULT_HEADERS)
+end
+
+When(/^I send POST '(.*)' query with params '(.*)'$/) do |path, params|
+  if params == ''
+    p = Hash.new
+  else
+    p = JSON.parse params
+  end
+  res = post(path, p, DEFAULT_HEADERS)
+end
+
+When(/^I send DELETE '(.*)' query$/) do |path|
+  delete(path, {}, DEFAULT_HEADERS)
+end

devops-service/features/step_definitions/image_steps.rb

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+Then(/^response should be '(\d+)'$/) do |code|
+  assert last_response.ok?, "Status is not #{code}, it is #{last_response.status}"
+end
+
+Then(/^the Content\-Type header should include 'application\/json'$/) do
+  assert last_response.header.contenttype.include?("application/json"), "Response has no header 'Content-Type' with 'application/json'"
+end
+
+Then(/^the JSON response should be an array$/) do
+  body = JSON.parse(last_response.body)
+  assert body.is_a?(Array), "Body is not an array"
+end
+
+Then(/^the array elements should be strings$/) do
+  body = JSON.parse(last_response.body)
+  body.each do |e|
+    assert e.is_a?(String), "Array element is not a string"
+  end
+end
+
+Then(/^the JSON response should be a hash$/) do
+  body = JSON.parse(last_response.body)
+  assert body.is_a?(Hash), "Body is not a hash"
+end
+
+Then(/^response should be JSON, images list:$/) do |string|
+  src_image = JSON.parse(string).first
+  image = JSON.parse(last_response.body).first
+  src_image.each do |key, value|
+    assert image.key?(key), "Image has no key '#{key}'"
+  end
+end
+
+Then(/^response should be JSON, image object:$/) do |string|
+  src_image = JSON.parse(string)
+  image = JSON.parse(last_response.body)
+  src_image.each do |key, value|
+    assert image.key?(key), "Image has no key '#{key}'"
+  end
+end

devops-service/features/step_definitions/server_steps.rb

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+Then(/^the project should contains environment '(\w+)'$/) do |env|
+  body = JSON.parse(last_response.body)
+  assert !body["deploy_envs"].detect{|e| e["identifier"] == env}.nil?, "Project has no environment '#{env}'"
+end
+
+Then(/^the list should be saved$/) do
+  body = JSON.parse(last_response.body)
+  $test_hash[:servers_list] = body
+end
+
+Then(/^the list should contains new server$/) do
+  body = JSON.parse(last_response.body)
+  $test_hash[:new_server] = (body.map{|s| s["chef_node_name"]} - $test_hash[:servers_list].map{|s| s["chef_node_name"]}).first
+  assert !$test_hash[:new_server].nil?, "New element in servers list not found"
+end
+
+When(/^I reserve new server$/) do
+  steps %{
+    When I send POST '/v2.0/server/#{$test_hash[:new_server]}/reserve' query with params ''
+  }
+end
+
+When(/^I pause new server$/) do
+  steps %{
+    When I send POST '/v2.0/server/#{$test_hash[:new_server]}/pause' query with params ''
+  }
+end
+
+When(/^I unpause new server$/) do
+  steps %{
+    When I send POST '/v2.0/server/#{$test_hash[:new_server]}/unpause' query with params ''
+  }
+end
+
+When(/^I deploy new server$/) do
+  steps %{
+    When I send POST '/v2.0/deploy' query with params '{ "names": ["#{$test_hash[:new_server]}"] }'
+  }
+end
+
+When(/^I delete new server$/) do
+  steps %{
+    When I send POST '/v2.0/deploy' query with params '{ "names": ["#{$test_hash[:new_server]}"] }'
+  }
+end
+
+Then(/^sleep '(\d+)' seconds$/) do |s|
+  sleep(s.to_i)
+end

devops-service/features/support/env.rb

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+ENV["RACK_ENV"] = "test"
+#require File.join(File.dirname(__FILE__), '..', '..', 'config.ru')
+
+require 'test/unit'
+require 'rack/test'
+require "json"
+require 'httpclient'
+
+  USERNAME = '<username>'
+  PASSWORD = '<password>'
+  HOST = '<host>'
+  PORT = 7070
+
+class MyWorld
+
+  include Rack::Test::Methods
+  @@app = nil
+  def app
+    @@app ||= eval("Rack::Builder.new {( " + File.read(File.dirname(__FILE__) + '/../../config.ru') + "\n )}")
+  end
+end
+
+class RequestSender
+
+  @last_res = nil
+  $test_hash = Hash.new
+
+  def host
+    "http://#{HOST}:#{PORT}"
+  end
+
+  def last_response
+    @last_res
+  end
+
+  def get path, query, headers
+    submit do |http|
+      http.get(host + path, query, headers)
+    end
+  end
+
+  def post path, query, headers
+    submit do |http|
+      http.receive_timeout = 0 #!!! bring out to appropriate server step
+      http.post(host + path, JSON.pretty_generate(query), headers)
+    end
+  end
+
+  def delete path, query, headers
+    submit do |http|
+      http.delete(host + path, JSON.pretty_generate(query), headers)
+    end
+  end
+
+  def submit
+    http = HTTPClient.new
+    http.set_auth(host, USERNAME, PASSWORD)
+    res = yield http
+    @last_res = res
+  end
+end
+
+World do
+  #MyWorld.new
+  RequestSender.new
+end