feat: add pact v2 interface

PACT_RUBY_V2_ENABLE=true to opt into new code
PACT_RUBY_V1_ENABLE=false to disable old code

PACT_RUBY_V1 is enabled by default
PACT_RUBY_V2 is disabled by default

Author: YOU54F

.gitignore

@@ -8,6 +8,8 @@ _yardoc
 coverage
 lib/bundler/man
 pkg
+# grpc generated files required for testing
+!spec/internal/pkg
 rdoc
 spec/reports
 test/tmp
@@ -28,8 +30,9 @@ log
 .idea
 reports
 Gemfile.lock
+example/**/Gemfile.lock
 *.gemfile.lock
-gemfiles/*.gemfile.lock
+gemfiles
 reports/pacts
 spec/examples.txt
 *bethtest*

.rspec_v2

@@ -0,0 +1,4 @@
+--color
+--format progress
+--require spec_helper_v2
+--require rails_helper_v2

documentation/README_V2.md

@@ -0,0 +1,18 @@
+source 'https://rubygems.org'
+
+group :development, :test do
+  gem 'rspec'
+  gem 'pact', path: '../../'
+  gem 'pry'
+  # required for pact-ruby-v2
+  gem 'combustion'
+  gem 'webmock'
+end
+
+gem 'rake'
+gem 'rack'
+gem 'sqlite3'
+gem 'sequel'
+gem 'sinatra'
+
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw]

documentation/pact-v2-arch.png

@@ -0,0 +1,12 @@
+$: << File.join(File.dirname(__FILE__), "lib")
+
+require 'pact/tasks'
+
+task :default => 'pact:verify'
+
+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new('pact:v2:verify') do |task|
+  task.pattern = 'spec/pact/consumers/*_spec.rb'
+  task.rspec_opts = ['-t pact', '--require rails_helper']
+end

example/animal-service-v2/Gemfile

@@ -0,0 +1,3 @@
+require File.dirname(__FILE__) + '/lib/animal_service/api'
+
+run AnimalService::Api

example/animal-service-v2/Rakefile

@@ -0,0 +1,12 @@
+require 'sequel'
+require_relative 'db'
+
+module AnimalService
+  class AnimalRepository
+
+    def self.find_alligator_by_name name
+      DATABASE[:animals].where(name: name).single_record
+    end
+
+  end
+end

example/animal-service-v2/config.ru

@@ -0,0 +1,29 @@
+require 'sinatra/base'
+require_relative 'animal_repository'
+require 'json'
+
+module AnimalService
+
+  class Api < Sinatra::Base
+
+    set :raise_errors, false
+    set :show_exceptions, false
+
+    error do
+      e = env['sinatra.error']
+      content_type :json, :charset => 'utf-8'
+      status 500
+      {error: e.message, backtrace: e.backtrace}.to_json
+    end
+
+    get '/alligators/:name' do
+      if (alligator = AnimalRepository.find_alligator_by_name(params[:name]))
+        content_type :json, :charset => 'utf-8'
+        alligator.to_json
+      else
+        status 404
+      end
+    end
+
+  end
+end