lib/shaped/shapes/callable.rb in shaped-0.11.0 vs lib/shaped/shapes/callable.rb in shaped-0.12.0

@@ -10,10 +10,15 @@
   end
 
   def to_s
     case @callable
     when Method then "Method defined at #{@callable.source_location.map(&:to_s).join(':')}"
-    when Proc then "Proc test defined at #{@callable.source_location.map(&:to_s).join(':')}"
+    when Proc
+      if @callable.source_location
+        "Proc test defined at #{@callable.source_location.map(&:to_s).join(':')}"
+      else
+        'Proc test defined at unknown location'
+      end
     else "#call test defined at #{@callable.method(:call).source_location.map(&:to_s).join(':')}"
     end
   end
 end