feat: add relations to environments endpoint for each environment

lib/pact_broker/api/decorators/environments_decorator.rb

@@ -9,6 +9,16 @@ class EnvironmentsDecorator < BaseDecorator
 
         collection :entries, :as => :environments, :class => PactBroker::Deployments::Environment, :extend => PactBroker::Api::Decorators::EnvironmentDecorator, embedded: true
 
+        links :'pb:environments' do | user_options |
+          represented.collect do | environment |
+            {
+              title: "Environment",
+              name: environment.name,
+              href: environment_url(environment, user_options.fetch(:base_url))
+            }
+          end
+        end
+
         link :self do | options |
           {
             title: 'Environments',

spec/service_consumers/hal_relation_proxy_app.rb

@@ -11,7 +11,13 @@ class HalRelationProxyApp
     '/HAL-REL-PLACEHOLDER-PB-WEBHOOKS' =>
       '/webhooks',
     '/HAL-REL-PLACEHOLDER-INDEX-PB-PACTICIPANT-VERSION-Foo-26f353580936ad3b9baddb17b00e84f33c69e7cb' =>
-      '/pacticipants/Foo/versions/26f353580936ad3b9baddb17b00e84f33c69e7cb'
+      '/pacticipants/Foo/versions/26f353580936ad3b9baddb17b00e84f33c69e7cb',
+    '/HAL-REL-PLACEHOLDER-PB-ENVIRONMENTS' =>
+      '/environments',
+    '/HAL-REL-PLACEHOLDER-PB-PACTICIPANT-VERSION-Foo-5556b8149bf8bac76bc30f50a8a2dd4c22c85f30' =>
+      '/pacticipants/Foo/versions/5556b8149bf8bac76bc30f50a8a2dd4c22c85f30',
+    '/HAL-REL-PLACEHOLDER-PB-RECORD-DEPLOYMENT-FOO-5556B8149BF8BAC76BC30F50A8A2DD4C22C85F30-TEST' =>
+      '/pacticipants/Foo/versions/5556b8149bf8bac76bc30f50a8a2dd4c22c85f30/deployed-versions/environment/cb632df3-0a0d-4227-aac3-60114dd36479'
   }
 
   RESPONSE_BODY_REPLACEMENTS = {

spec/service_consumers/provider_states_for_pact_broker_client_2.rb

@@ -0,0 +1,36 @@
+Pact.provider_states_for "Pact Broker Client" do
+
+  provider_state "the pb:pacticipant-version and pb:environments relations exist in the index resource" do
+    no_op
+  end
+
+  provider_state "an environment with name test exists" do
+    set_up do
+      TestDataBuilder.new
+        .create_environment("test")
+    end
+  end
+
+  provider_state "version 5556b8149bf8bac76bc30f50a8a2dd4c22c85f30 of pacticipant Foo exists with a test environment available for deployment" do
+    set_up do
+      TestDataBuilder.new
+        .create_consumer("Foo")
+        .create_consumer_version("5556b8149bf8bac76bc30f50a8a2dd4c22c85f30")
+        .create_environment("test", uuid: "cb632df3-0a0d-4227-aac3-60114dd36479")
+    end
+  end
+
+  provider_state "version 5556b8149bf8bac76bc30f50a8a2dd4c22c85f30 of pacticipant Foo does not exist" do
+    no_op
+  end
+
+  provider_state "version 5556b8149bf8bac76bc30f50a8a2dd4c22c85f30 of pacticipant Foo exists with 2 environments that aren't test available for deployment" do
+    set_up do
+      TestDataBuilder.new
+        .create_consumer("Foo")
+        .create_consumer_version("5556b8149bf8bac76bc30f50a8a2dd4c22c85f30")
+        .create_environment("prod")
+        .create_environment("dev")
+    end
+  end
+end