feat([PoC]): Contract for sequence of messages.

lib/pact/consumer_contract/message.rb

@@ -13,13 +13,15 @@ class Message
       include Pact::ActiveSupportSupport
       include Pact::SymbolizeKeys
 
-        attr_accessor :description, :contents, :provider_state, :provider_states, :metadata, :_id, :index
+        attr_accessor :description, :descriptions, :contents, :events, :provider_state, :provider_states, :metadata, :_id, :index
 
         def initialize attributes = {}
           @description = attributes[:description]
+          @descriptions = []
           @provider_state = attributes[:provider_state] || attributes[:providerState]
           @provider_states = attributes[:provider_states] || []
           @contents = attributes[:contents]
+          @events = []
           @metadata = attributes[:metadata]
           @_id = attributes[:_id]
           @index = attributes[:index]

lib/pact/message/consumer/interaction_builder.rb

@@ -13,6 +13,7 @@ def initialize &block
         end
 
         def is_expected_to_send description
+          @interaction.descriptions << description
           @interaction.description = description
           self
         end
@@ -32,7 +33,9 @@ def with_metadata(object)
         end
 
         def with_content(object)
-          interaction.contents = Pact::Message::Contents.from_hash(object)
+          message_content = Pact::Message::Contents.from_hash(object)
+          interaction.events << message_content
+          interaction.contents = message_content
           @callback.call interaction
           self
         end

lib/pact/message/consumer/interaction_decorator.rb

@@ -13,7 +13,7 @@ def initialize message, decorator_options = {}
         end
 
         def as_json options = {}
-          hash = { :description => message.description }
+          hash = { :description => message.descriptions.join(';') }
           hash[:providerStates] = provider_states
           hash[:contents] = extract_contents
           hash[:matchingRules] = extract_matching_rules
@@ -36,7 +36,9 @@ def decorate_contents
         end
 
         def extract_contents
-          Pact::Reification.from_term(message.contents.contents)
+          message.events.map do |message_content|
+            Pact::Reification.from_term(message_content.contents)
+          end
         end
 
         def provider_states