feat: add resource to get latest verification for a pact

lib/pact_broker/api.rb

@@ -26,6 +26,8 @@ module PactBroker
         # Verifications
         add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'pact-version', :pact_version_sha, 'verification-results'], Api::Resources::Verifications, {resource_name: "verification_results"}
         add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'pact-version', :pact_version_sha, 'metadata', :metadata, 'verification-results'], Api::Resources::Verifications, {resource_name: "verification_results"}
+        add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'version', :consumer_version_number, 'verification-results', 'latest'], Api::Resources::LatestVerificationForPact, {resource_name: "latest_verification_results_for_pact_publication"}
+        add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'pact-version', :pact_version_sha, 'verification-results', 'latest'], Api::Resources::LatestVerificationForPact, {resource_name: "latest_verification_results_for_pact_version"}
         add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'pact-version', :pact_version_sha, 'verification-results', :verification_number], Api::Resources::Verification, {resource_name: "verification_result"}
         add ['pacts', 'provider', :provider_name, 'consumer', :consumer_name, 'pact-version', :pact_version_sha, 'verification-results', :verification_number, 'triggered-webhooks'], Api::Resources::VerificationTriggeredWebhooks, {resource_name: "verification_result_triggered_webhooks"}
         add ['verification-results', 'consumer', :consumer_name, 'version', :consumer_version_number,'latest'], Api::Resources::LatestVerificationsForConsumerVersion, {resource_name: "verification_results_for_consumer_version"}

lib/pact_broker/api/decorators/extended_verification_decorator.rb

@@ -0,0 +1,16 @@
+require 'pact_broker/api/decorators/verification_decorator'
+
+module PactBroker
+  module Api
+    module Decorators
+      class ExtendedVerificationDecorator < VerificationDecorator
+        class TagDecorator < BaseDecorator
+          property :name
+          property :latest?, as: :latest
+        end
+
+        collection :provider_version_tags, as: :tags, embedded: true, extend: TagDecorator
+      end
+    end
+  end
+end

lib/pact_broker/api/decorators/pact_decorator.rb

@@ -146,6 +146,12 @@ def to_hash(options = {})
           }
         end
 
+        link :'pb:latest-verification-results' do | options |
+          {
+            href: latest_verification_for_pact_url(represented, options.fetch(:base_url))
+          }
+        end
+
         link :'pb:triggered-webhooks' do | options |
           {
             title: "Webhooks triggered by the publication of this pact",

lib/pact_broker/api/decorators/verification_decorator.rb

@@ -15,7 +15,6 @@ class TagDecorator < BaseDecorator
         property :execution_date, as: :verificationDate
         property :build_url, as: :buildUrl
         property :test_results, as: :testResults
-        collection :provider_version_tags, as: :tags, embedded: true, extend: TagDecorator
 
         link :self do | options |
           {

lib/pact_broker/api/pact_broker_urls.rb

@@ -157,6 +157,14 @@ def latest_verifications_for_consumer_version_url version, base_url
         "#{base_url}/verification-results/consumer/#{url_encode(version.pacticipant.name)}/version/#{version.number}/latest"
       end
 
+      def latest_verification_for_pact_url pact, base_url
+        verification_url_from_params(
+          provider_name: pact.provider_name,
+          consumer_name: pact.consumer_name,
+          pact_version_sha: pact.pact_version_sha,
+          verification_number: 'latest')
+      end
+
       def verification_triggered_webhooks_url verification, base_url = ''
         "#{verification_url(verification, base_url)}/triggered-webhooks"
       end

lib/pact_broker/api/resources/latest_verification_for_pact.rb

@@ -0,0 +1,19 @@
+require 'pact_broker/api/resources/verification'
+
+module PactBroker
+  module Api
+    module Resources
+      class LatestVerificationForPact < Verification
+        private
+
+        def pact
+          @pact ||= pact_service.find_pact(pact_params)
+        end
+
+        def verification
+          @verification ||= pact && verification_service.find_latest_for_pact(pact)
+        end
+      end
+    end
+  end
+end

lib/pact_broker/api/resources/latest_verifications_for_consumer_version.rb

@@ -7,7 +7,6 @@
 module PactBroker
   module Api
     module Resources
-
       class LatestVerificationsForConsumerVersion < BaseResource
 
         def allowed_methods

lib/pact_broker/api/resources/pact.rb

@@ -28,7 +28,7 @@ def content_types_provided
           [["application/hal+json", :to_json],
            ["application/json", :to_json],
            ["text/html", :to_html],
-           ["application/vnd.pactbroker.v1+json", :to_extended_json]
+           ["application/vnd.pactbrokerextended.v1+json", :to_extended_json]
           ]
         end
 

lib/pact_broker/api/resources/verification.rb

@@ -3,13 +3,18 @@
 require 'pact_broker/domain/verification'
 require 'pact_broker/api/contracts/verification_contract'
 require 'pact_broker/api/decorators/verification_decorator'
+require 'pact_broker/api/decorators/extended_verification_decorator'
 
 module PactBroker
   module Api
     module Resources
       class Verification < BaseResource
         def content_types_provided
-          [["application/hal+json", :to_json], ["application/json", :to_json]]
+          [
+            ["application/hal+json", :to_json],
+            ["application/json", :to_json],
+            ["application/vnd.pactbrokerextended.v1+json", :to_extended_json]
+          ]
         end
 
         # Remember to update latest_verification_id_for_pact_version_and_provider_version
@@ -26,6 +31,10 @@ def to_json
           decorator_for(verification).to_json(user_options: {base_url: base_url})
         end
 
+        def to_extended_json
+          extended_decorator_for(verification).to_json(user_options: {base_url: base_url})
+        end
+
         private
 
         def verification
@@ -35,6 +44,10 @@ def verification
         def decorator_for model
           PactBroker::Api::Decorators::VerificationDecorator.new(model)
         end
+
+        def extended_decorator_for model
+          PactBroker::Api::Decorators::ExtendedVerificationDecorator.new(model)
+        end
       end
     end
   end

lib/pact_broker/verifications/repository.rb

@@ -54,6 +54,10 @@ def find consumer_name, provider_name, pact_version_sha, verification_number
           .verification_number(verification_number).single_record
       end
 
+      def find_latest_for_pact(pact)
+        PactBroker::Pacts::PactPublication.where(id: pact.id).single_record.latest_verification
+      end
+
       def search_for_latest consumer_name, provider_name
         query = LatestVerificationForPactVersion
                   .select_all_qualified

lib/pact_broker/verifications/service.rb

@@ -49,6 +49,10 @@ def find params
         verification_repository.find(params.fetch(:consumer_name), params.fetch(:provider_name), params.fetch(:pact_version_sha), params.fetch(:verification_number))
       end
 
+      def find_latest_for_pact(pact)
+        verification_repository.find_latest_for_pact(pact)
+      end
+
       def find_by_id id
         PactBroker::Domain::Verification.find(id: id)
       end

spec/features/get_latest_verification_for_pact_spec.rb

@@ -0,0 +1,42 @@
+require 'spec/support/test_data_builder'
+
+describe "Get latest verification for pact" do
+  before do
+    td
+      .create_consumer("Consumer")
+      .create_consumer_version("1.2.3")
+      .create_provider("Another provider")
+      .create_pact
+      .create_verification(number: 1, provider_version: "5")
+      .create_provider("Provider")
+      .create_pact
+      .create_verification(number: 1, provider_version: "3")
+      .create_verification(number: 2, provider_version: "4")
+  end
+
+  let(:last_response_body) { JSON.parse(subject.body, symbolize_names: true) }
+  let(:content_type) { "application/vnd.pactbrokerextended.v1+json" }
+
+  subject { get(path, nil, "HTTP_ACCEPT" => content_type) }
+
+  context "by pact version" do
+    let!(:path) { "/pacts/provider/Provider/consumer/Consumer/pact-version/#{td.pact.pact_version_sha}/verification-results/latest" }
+
+    it "returns a 200 OK" do
+      expect(subject.status).to eq 200
+      expect(subject.headers['Content-Type']).to include content_type
+    end
+
+    it "returns the verification" do
+      expect(last_response_body[:providerApplicationVersion]).to eq "4"
+    end
+  end
+
+  context "by consumer version" do
+    let(:path) { "/pacts/provider/Provider/consumer/Consumer/version/1.2.3/verification-results/latest" }
+
+    it "returns the verification" do
+      expect(last_response_body[:providerApplicationVersion]).to eq "4"
+    end
+  end
+end