Fix integration with pact-message-ruby

lib/pact/provider/configuration/message_provider_dsl.rb

@@ -22,6 +22,33 @@ def initialize name
         end
 
         dsl do
+          def app &block
+            self.app_block = block
+          end
+
+          def app_version application_version
+            self.application_version = application_version
+          end
+
+          def app_version_tags tags
+            self.tags = tags
+          end
+
+          def publish_verification_results publish_verification_results
+            self.publish_verification_results = publish_verification_results
+            Pact::RSpec.with_rspec_2 do
+              Pact.configuration.error_stream.puts "WARN: Publishing of verification results is currently not supported with rspec 2. If you would like this functionality, please feel free to submit a PR!"
+            end
+          end
+
+          def honours_pact_with consumer_name, options = {}, &block
+            create_pact_verification consumer_name, options, &block
+          end
+
+          def honours_pacts_from_pact_broker &block
+            create_pact_verification_from_broker &block
+          end
+
           def builder &block
             self.app_block = lambda { RackToMessageAdapter.new(block)  }
           end

spec/lib/pact/provider/configuration/message_provider_dsl_spec.rb

@@ -0,0 +1,198 @@
+require "spec_helper"
+require "pact/provider/configuration/service_provider_dsl"
+require "pact/provider/pact_uri"
+require "pact/pact_broker/fetch_pacts"
+
+module Pact
+  module Provider
+    module Configuration
+      describe MessageProviderDSL do
+        describe "initialize" do
+          context "with an object instead of a block" do
+            subject do
+              described_class.build "name" do
+                app "blah"
+              end
+            end
+
+            it "raises an error" do
+              expect { subject }.to raise_error /wrong number of arguments/
+            end
+          end
+
+        end
+
+        describe "validate" do
+          context "when no name is provided" do
+            subject do
+              described_class.new " " do
+                app { Object.new }
+              end
+            end
+
+            it "raises an error" do
+              expect { subject.send(:validate) }.to raise_error("Please provide a name for the Provider")
+            end
+          end
+
+          context "when nil name is provided" do
+            subject do
+              described_class.new nil do
+                app { Object.new }
+              end
+            end
+
+            it "raises an error" do
+              expect { subject.send(:validate) }.to raise_error(Pact::Provider::Configuration::Error, "Please provide a name for the Provider")
+            end
+          end
+
+          context "when publish_verification_results is true" do
+            context "when no application version is provided" do
+              subject do
+                described_class.build "name" do
+                  publish_verification_results true
+                end
+              end
+
+              it "raises an error" do
+                expect { subject.send(:validate) }.to raise_error(Pact::Provider::Configuration::Error, "Please set the app_version when publish_verification_results is true")
+              end
+            end
+
+            context "when an application version is provided" do
+              subject do
+                described_class.build "name" do
+                  app_version "1.2.3"
+                  publish_verification_results true
+                end
+              end
+
+              it "does not raise an error" do
+                expect { subject.send(:validate) }.to_not raise_error
+              end
+            end
+          end
+        end
+
+        describe "honours_pact_with" do
+          before do
+            Pact.clear_provider_world
+          end
+          let(:pact_url) { "blah" }
+
+          context "with no optional params" do
+            subject do
+              described_class.build "some-provider" do
+                app {}
+                honours_pact_with "some-consumer" do
+                  pact_uri pact_url
+                end
+              end
+            end
+
+            it "adds a verification to the Pact.provider_world" do
+              subject
+              pact_uri = Pact::Provider::PactURI.new(pact_url)
+              expect(Pact.provider_world.pact_verifications.first)
+                .to eq(Pact::Provider::PactVerification.new("some-consumer", pact_uri, :head))
+            end
+          end
+
+          context "with all params specified" do
+            let(:pact_uri_options) do
+              {
+                username: "pact_user",
+                password: "pact_pw"
+              }
+            end
+            subject do
+              described_class.build "some-provider" do
+                app {}
+                honours_pact_with "some-consumer", ref: :prod do
+                  pact_uri pact_url, pact_uri_options
+                end
+              end
+            end
+
+            it "adds a verification to the Pact.provider_world" do
+              subject
+              pact_uri = Pact::Provider::PactURI.new(pact_url, pact_uri_options)
+              expect(Pact.provider_world.pact_verifications.first)
+                .to eq(Pact::Provider::PactVerification.new("some-consumer", pact_uri , :prod))
+            end
+          end
+        end
+
+        describe "honours_pacts_from_pact_broker" do
+          before do
+            Pact.clear_provider_world
+          end
+          let(:pact_url) { "blah" }
+
+          context "with all params specified" do
+            let(:tag_1) { "master" }
+
+            let(:tag_2) do
+              {
+                name: "tag-name",
+                all: false,
+                fallback: "master"
+              }
+            end
+
+            let(:options) do
+              {
+                pact_broker_base_url: "some-url",
+                consumer_version_tags: [tag_1, tag_2]
+              }
+            end
+
+            subject do
+              described_class.build "some-provider" do
+                app {}
+                app_version_tags ["dev"]
+                honours_pacts_from_pact_broker do
+                end
+              end
+            end
+
+            it "builds a PactVerificationFromBroker" do
+              expect(PactVerificationFromBroker).to receive(:build).with("some-provider", ["dev"])
+              subject
+            end
+          end
+        end
+
+        describe "builder" do
+          context "when builder is initialize with a object instead of a block" do
+            subject do
+              described_class.build "some-provider" do
+                builder "foo"
+              end
+            end
+
+            it "raises an error" do
+              expect { subject }.to raise_error /wrong number of arguments/
+            end
+          end
+        end
+
+        describe "CONFIG_RU_APP" do
+          context "when a config.ru file does not exist" do
+            let(:path_that_does_not_exist) { "./tmp/this/path/does/not/exist/probably" }
+
+            before do
+              allow(Pact.configuration).to receive(:config_ru_path).and_return(path_that_does_not_exist)
+            end
+
+            it "raises an error with some helpful text" do
+              expect { described_class::CONFIG_RU_APP.call }
+                .to raise_error /Could not find config\.ru file.*#{Regexp.escape(path_that_does_not_exist)}/
+            end
+          end
+        end
+      end
+    end
+  end
+end