[Refactor] Extract #generate_target from Analyzer#generate_targets

lib/cocoapods/installer/analyzer.rb

@@ -180,9 +180,24 @@ module Pod
       def generate_targets
         targets = []
         result.specs_by_target.each do |target_definition, specs|
-          # Setup the aggregate target
+          targets << generate_target(target_definition, specs)
+        end
+        targets
+      end
+
+      # Setup the aggregate target for a single user target
+      #
+      # @param  [TargetDefinition] target_definition
+      #         the target definition for the user target.
+      #
+      # @param  [Array<Specification>] specs
+      #         the specifications that need to be installed grouped by the
+      #         given target definition.
+      #
+      # @return [AggregateTarget]
+      #
+      def generate_target(target_definition, specs)
         target = AggregateTarget.new(target_definition, sandbox)
-          targets << target
 
         if config.integrate_targets?
           project_path = compute_user_project_path(target_definition)
@@ -224,8 +239,8 @@ module Pod
           end
           target.pod_targets << pod_target
         end
-        end
-        targets
+
+        target
       end
 
       # Generates dependencies that require the specific version of the Pods