No need to rescue here. Invoking the wrong method in an object can happen anywhere if you are not careful. In other words, test your shit.

3 files changed, 0 insertions, 6 deletions

diff --git a/activemodel/lib/active_model/validations/exclusion.rb b/activemodel/lib/active_model/validations/exclusion.rb
index abc1bfae78..d135d0164a 100644
--- a/activemodel/lib/active_model/validations/exclusion.rb
+++ b/activemodel/lib/active_model/validations/exclusion.rb
@@ -19,8 +19,6 @@ module ActiveModel
         if exclusions.send(inclusion_method(exclusions), value)
           record.errors.add(attribute, :exclusion, options.except(:in).merge!(:value => value))
         end
-      rescue NoMethodError
-        raise ArgumentError, "Exclusion validation for :#{attribute} in #{record.class.name}: #{ERROR_MESSAGE}"
       end
 
     private
diff --git a/activemodel/lib/active_model/validations/format.rb b/activemodel/lib/active_model/validations/format.rb
index 2ec052c74b..349e110a4b 100644
--- a/activemodel/lib/active_model/validations/format.rb
+++ b/activemodel/lib/active_model/validations/format.rb
@@ -19,8 +19,6 @@ module ActiveModel
             raise ArgumentError, "A proc or lambda given to :without option must returns a regular expression"
           end
         end
-      rescue TypeError
-        raise ArgumentError, "A proc or lambda given to :with or :without option must returns a regular expression"
       end
 
       def check_validity!
diff --git a/activemodel/lib/active_model/validations/inclusion.rb b/activemodel/lib/active_model/validations/inclusion.rb
index cb46547e92..43b1d87d0b 100644
--- a/activemodel/lib/active_model/validations/inclusion.rb
+++ b/activemodel/lib/active_model/validations/inclusion.rb
@@ -19,8 +19,6 @@ module ActiveModel
         unless exclusions.send(inclusion_method(exclusions), value)
           record.errors.add(attribute, :inclusion, options.except(:in).merge!(:value => value))
         end
-      rescue NoMethodError
-        raise ArgumentError, "Exclusion validation for :#{attribute} in #{record.class.name}: #{ERROR_MESSAGE}"
       end
 
     private