feat: make feature toggles case insensitive and space aware

lib/pact_broker/feature_toggle.rb

@@ -1,10 +1,20 @@
 module PactBroker
   class FeatureToggle
-
     def self.enabled?(feature)
-      ENV['RACK_ENV'] != 'production' || (ENV['PACT_BROKER_FEATURES'] || "").include?(feature.to_s)
+      not_production? || feature_in_env_var?(feature)
+    end
+
+    def self.not_production?
+      ENV['RACK_ENV'] != 'production'
     end
 
+    def self.feature_in_env_var?(feature)
+      (features =~ /\b#{feature}\b/i) != nil
+    end
+
+    def self.features
+      ENV['PACT_BROKER_FEATURES'] || ""
+    end
   end
 
   def self.feature_enabled?(feature)

spec/lib/pact_broker/feature_toggle_spec.rb

@@ -10,7 +10,6 @@ module PactBroker
       subject { FeatureToggle.enabled?(:foo) }
 
       context "when RACK_ENV is not production" do
-
         before do
           allow(ENV).to receive(:[]).with('RACK_ENV').and_return('development')
         end
@@ -23,13 +22,13 @@ module PactBroker
           it { is_expected.to be true }
         end
 
-         context "when PACT_BROKER_FEATURES does not include the given string" do
-            before do
-              allow(ENV).to receive(:[]).with('PACT_BROKER_FEATURES').and_return(nil)
-            end
+        context "when PACT_BROKER_FEATURES does not include the given string" do
+          before do
+            allow(ENV).to receive(:[]).with('PACT_BROKER_FEATURES').and_return(nil)
+          end
 
-           it { is_expected.to be true }
-         end
+          it { is_expected.to be true }
+        end
       end
 
       context "when RACK_ENV is production" do
@@ -45,6 +44,23 @@ module PactBroker
           it { is_expected.to be true }
         end
 
+        context "when PACT_BROKER_FEATURES includes the given string inside another word" do
+          before do
+            allow(ENV).to receive(:[]).with('PACT_BROKER_FEATURES').and_return('foowiffle bar')
+          end
+
+          it { is_expected.to be false }
+        end
+
+        context "when PACT_BROKER_FEATURES includes the given string but the case doesn't match" do
+          before do
+            allow(ENV).to receive(:[]).with('PACT_BROKER_FEATURES').and_return('FOO bar')
+          end
+
+          it { is_expected.to be true }
+        end
+
+
         context "when PACT_BROKER_FEATURES does not include the given string" do
           before do
             allow(ENV).to receive(:[]).with('PACT_BROKER_FEATURES').and_return(nil)