From 1da9a5c9f69a1d04c1eef555b971b687918a716f Mon Sep 17 00:00:00 2001
From: Simon Nizov <simon.nizov@gmail.com>
Date: Sun, 1 Mar 2020 11:47:32 +0200
Subject: [PATCH] feat: Set expected interactions on mock service but without
 writing them to pact file

---
 lib/pact/consumer/consumer_contract_builder.rb    |  4 ++++
 lib/pact/consumer/interaction_builder.rb          |  6 ++++++
 .../lib/pact/consumer/interaction_builder_spec.rb | 15 +++++++++++++++
 3 files changed, 25 insertions(+)

diff --git a/lib/pact/consumer/consumer_contract_builder.rb b/lib/pact/consumer/consumer_contract_builder.rb
index 45faa9bc..be556d6b 100644
--- a/lib/pact/consumer/consumer_contract_builder.rb
+++ b/lib/pact/consumer/consumer_contract_builder.rb
@@ -25,6 +25,10 @@ def initialize(attributes)
         @mock_service_base_url = "http://#{attributes[:host]}:#{attributes[:port]}"
       end
 
+      def without_writing_to_pact
+        interaction_builder.without_writing_to_pact
+      end
+
       def given(provider_state)
         interaction_builder.given(provider_state)
       end
diff --git a/lib/pact/consumer/interaction_builder.rb b/lib/pact/consumer/interaction_builder.rb
index 7916b712..78398ea7 100644
--- a/lib/pact/consumer/interaction_builder.rb
+++ b/lib/pact/consumer/interaction_builder.rb
@@ -13,6 +13,12 @@ def initialize &block
         @callback = block
       end
 
+      def without_writing_to_pact
+        interaction.metadata ||= {}
+        interaction.metadata[:write_to_pact] = false
+        self
+      end
+
       def upon_receiving description
         @interaction.description = description
         self
diff --git a/spec/lib/pact/consumer/interaction_builder_spec.rb b/spec/lib/pact/consumer/interaction_builder_spec.rb
index a16ab53c..0927da9e 100644
--- a/spec/lib/pact/consumer/interaction_builder_spec.rb
+++ b/spec/lib/pact/consumer/interaction_builder_spec.rb
@@ -88,6 +88,21 @@ module Consumer
           subject.will_respond_with response
         end
       end
+
+      describe "without_writing_to_pact" do
+        it "sets the write_to_pact key to false on metadata" do
+          mock_metadata = {}
+          expect(interaction).to receive(:metadata).and_return(nil, mock_metadata)
+          
+          subject.without_writing_to_pact
+
+          expect(mock_metadata).to eq({ write_to_pact: false })
+        end
+
+        it "returns itself" do
+          expect(subject.without_writing_to_pact).to be(subject)
+        end
+      end
     end
   end
 end