test: add test for ProviderPactsDecorator

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

@@ -0,0 +1,57 @@
+require 'pact_broker/api/decorators/provider_pacts_decorator'
+
+module PactBroker
+  module Api
+    module Decorators
+      describe ProviderPactsDecorator do
+
+        let(:pacts) { [pact]}
+        let(:pact) do
+          double('pact', name: 'Pact name', consumer_name: 'Foo')
+        end
+        let(:user_options) do
+          {
+            base_url: 'http://example.org',
+            resource_url: 'http://example.org/provider-pacts',
+            title: 'title'
+          }
+        end
+
+        before do
+          allow_any_instance_of(ProviderPactsDecorator).to receive(:pact_url).and_return('pact_url')
+        end
+
+        subject { JSON.parse ProviderPactsDecorator.new(pacts).to_json(user_options: user_options), symbolize_names: true }
+
+        let(:expected) do
+          {
+            :_links => {
+              :self=> {
+                :href=> "http://example.org/provider-pacts",
+                :title => "title"
+              },
+              :provider => {
+                :href => "http://example.org/pacticipants/",
+                :title => nil
+              },
+              :"pb:pacts" =>[{
+                :href => "pact_url",
+                :title => "Pact name",
+                :name => "Foo" }],
+              :pacts => [{
+                :href => "pact_url",
+                :title => "DEPRECATED - please use the pb:pacts relation",
+                :name => "Foo"
+                }
+              ]
+            }
+          }
+        end
+
+        it "matches the expected JSON" do
+          expect(subject).to match_pact(expected)
+        end
+      end
+    end
+  end
+end