Move pro concern logic into framework

MS-1361

app/concerns/mdm/workspace/boundary_range.rb

@@ -38,12 +38,24 @@ module Mdm::Workspace::BoundaryRange
 
     # Validates that {#boundary} is {#valid_ip_or_range? a valid IP address or
     # IP address range}. Due to this not being tested before it was moved here
-    # from Mdm, the default workspace does not validate. We therefore don't
+    # from Mdm, the default workspace does not validate. We always validate boundaries
-    # validate boundaries of workspaces that don't use them.
+    # and a workspace may have a blank default boundary.
     #
     # @return [void]
     def boundary_must_be_ip_range
-      errors.add(:boundary, "must be a valid IP range") unless !limit_to_network || valid_ip_or_range?(boundary)
+      unless boundary.blank?
+        begin
+          boundaries = Shellwords.split(boundary)
+        rescue ArgumentError
+          boundaries = []
+        end
+
+        boundaries.each do |range|
+          unless valid_ip_or_range?(range)
+            errors.add(:boundary, "must be a valid IP range")
+          end
+        end
+      end
     end
 
     private

spec/models/mdm/workspace_spec.rb

@@ -20,8 +20,8 @@ RSpec.describe Mdm::Workspace, type: :model do
           workspace.valid?
         end
 
-        it 'should validate using #valid_ip_or_range?' do
+        it 'should validate using #boundary_must_be_ip_range' do
-          expect(workspace).to receive(:valid_ip_or_range?).with(boundary).and_return(false)
+          expect(workspace).to receive(:boundary_must_be_ip_range).and_return(false)
 
           workspace.valid?
         end