fix: handle case in no_pacts_found - undefined method empty? for nil

Author: YOU54F

lib/pact/pact_broker/fetch_pact_uris_for_verification.rb

@@ -101,7 +101,7 @@ def log_message
 
       def handling_no_pacts_found
         pacts_found = yield
-        if pacts_found.empty? && options[:fail_if_no_pacts_found] != false
+        if pacts_found.blank? && options[:fail_if_no_pacts_found] != false
           raise "No pacts found to verify"
         else
           pacts_found

spec/lib/pact/pact_broker/fetch_pact_uris_for_verification_spec.rb

@@ -14,7 +14,7 @@ module PactBroker
         let(:consumer_version_selectors) { [{ tag: "cmaster", latest: true, fallbackTag: 'blah' }] }
         let(:provider_version_branch) { "pbranch" }
         let(:provider_version_tags) { ["pmaster"] }
-
+        
         subject { FetchPactURIsForVerification.call(provider, consumer_version_selectors, provider_version_branch, provider_version_tags, broker_base_url, http_client_options)}
 
         context "when there is an error retrieving the index resource" do
@@ -62,7 +62,7 @@ module PactBroker
 
           it "calls the old fetch pacts code" do
             expect(FetchPacts).to receive(:call).with(provider, [{ name: "cmaster", all: false, fallback: "blah" }], broker_base_url, http_client_options)
-            subject
+            expect { subject }.to raise_error( "No pacts found to verify" )
           end
         end
       end

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

@@ -37,7 +37,7 @@ module Configuration
 
             let(:fetch_pacts) { double('FetchPacts') }
             let(:basic_auth_opts) { basic_auth_options.merge(verbose: true) }
-            let(:options) { { include_pending_status: true, include_wip_pacts_since: "2020-01-01" }}
+            let(:options) { { fail_if_no_pacts_found: true, include_pending_status: true, include_wip_pacts_since: "2020-01-01" }}
             let(:consumer_version_selectors) { [ { tag: 'master', latest: true }] }
 
             it "creates a instance of Pact::PactBroker::FetchPactURIsForVerification" do
@@ -70,6 +70,7 @@ module Configuration
                   anything,
                   anything,
                   {
+                    fail_if_no_pacts_found: true,
                     include_pending_status: true,
                     include_wip_pacts_since: since.xmlschema
                   }