feat: add matrix URL to /integration _links

lib/pact_broker/api/decorators/integration_decorator.rb

@@ -21,6 +21,13 @@ class IntegrationDecorator < BaseDecorator
             href: dashboard_url_for_integration(represented.consumer.name, represented.provider.name, options.fetch(:base_url))
           }
         end
+
+        link "pb:matrix" do | options |
+          {
+            title: "Matrix of pacts/verification results for #{represented.consumer.name} and #{represented.provider.name}",
+            href: matrix_url(represented.consumer.name, represented.provider.name, options.fetch(:base_url))
+          }
+        end
       end
     end
   end

lib/pact_broker/api/pact_broker_urls.rb

@@ -204,8 +204,12 @@ def badge_url_for_latest_pact pact, base_url = ''
         "#{latest_pact_url(base_url, pact)}/badge.svg"
       end
 
+      def matrix_url consumer_name, provider_name, base_url = ''
+        "/matrix/provider/#{url_encode(provider_name)}/consumer/#{url_encode(consumer_name)}"
+      end
+
       def matrix_url_from_params params, base_url = ''
-        "#{base_url}/matrix/provider/#{url_encode(params.fetch(:provider_name))}/consumer/#{url_encode(params.fetch(:consumer_name))}"
+        matrix_url(params.fetch(:consumer_name), params.fetch(:provider_name), base_url)
       end
 
       def hal_browser_url target_url

spec/lib/pact_broker/api/decorators/integration_decorator_spec.rb

@@ -7,6 +7,7 @@ module Decorators
       describe IntegrationDecorator do
         before do
           allow(integration_decorator).to receive(:dashboard_url_for_integration).and_return("/dashboard")
+          allow(integration_decorator).to receive(:matrix_url).and_return("/matrix")
         end
 
         let(:integration) do
@@ -29,6 +30,10 @@ module Decorators
             "_links" => {
               "pb:dashboard" => {
                 "href" => "/dashboard"
+              },
+              "pb:matrix" => {
+                "title" => "Matrix of pacts/verification results for the consumer and the provider",
+                "href" => "/matrix"
               }
             }
           }
@@ -50,6 +55,15 @@ module Decorators
           )
           subject
         end
+
+        it "generates the correct link for the matrix" do
+          expect(integration_decorator).to receive(:matrix_url).with(
+            "the consumer",
+            "the provider",
+            "http://example.org"
+          )
+          subject
+        end
       end
     end
   end