feat(matrix): add text/plain content type for easier visualisation of matrix resource in terminal

Author: bethesque

lib/pact_broker/api/decorators/matrix_text_decorator.rb

@@ -0,0 +1,29 @@
+require 'ostruct'
+require 'pact_broker/api/pact_broker_urls'
+require 'table_print'
+
+module PactBroker
+  module Api
+    module Decorators
+      class MatrixTextDecorator
+        Line = Struct.new(:consumer, :consumer_version, :provider, :provider_version, :success)
+
+        def initialize(lines)
+          @lines = lines
+        end
+
+        def to_text(options)
+          data = lines.collect do | line |
+            Line.new(line[:consumer_name], line[:consumer_version_number], line[:provider_name], line[:provider_version_number], line[:success])
+          end
+          printer = TablePrint::Printer.new(data)
+          printer.table_print + "\n"
+        end
+
+        private
+
+        attr_reader :lines
+      end
+    end
+  end
+end

lib/pact_broker/api/resources/matrix.rb

@@ -1,5 +1,6 @@
 require 'pact_broker/api/resources/base_resource'
 require 'pact_broker/api/decorators/matrix_decorator'
+require 'pact_broker/api/decorators/matrix_text_decorator'
 require 'pact_broker/matrix/parse_query'
 
 module PactBroker
@@ -12,7 +13,10 @@ def initialize
         end
 
         def content_types_provided
-          [["application/hal+json", :to_json]]
+          [
+            ["application/hal+json", :to_json],
+            ["text/plain", :to_text]
+          ]
         end
 
         def allowed_methods
@@ -30,10 +34,17 @@ def malformed_request?
         end
 
         def to_json
-          lines = matrix_service.find(selectors, options)
           PactBroker::Api::Decorators::MatrixPactDecorator.new(lines).to_json(user_options: { base_url: base_url })
         end
 
+        def to_text
+          PactBroker::Api::Decorators::MatrixTextDecorator.new(lines).to_text(user_options: { base_url: base_url })
+        end
+
+        def lines
+          @lines ||= matrix_service.find(selectors, options)
+        end
+
         def selectors
           @selectors
         end

pact_broker.gemspec

@@ -37,6 +37,7 @@ Gem::Specification.new do |gem|
   gem.add_runtime_dependency 'sucker_punch', '~>2.0'
   gem.add_runtime_dependency 'rack-protection', '~>2.0'
   gem.add_runtime_dependency 'dry-types', '~> 0.10.3' # https://travis-ci.org/pact-foundation/pact_broker/jobs/249448621
+  gem.add_runtime_dependency 'table_print', '~> 1.5'
 
   gem.add_development_dependency 'bundler-audit', '~>0.4'
   gem.add_development_dependency 'sqlite3', '~>1.3'