Add AR::Base#validate! method

Acts same as valid? but raises AR::RecordInvalid exception
if validation fails

1 files changed, 17 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/validations.rb b/activerecord/lib/active_record/validations.rb
index 9999624fcf..b4b33804de 100644
--- a/activerecord/lib/active_record/validations.rb
+++ b/activerecord/lib/active_record/validations.rb
@@ -54,7 +54,7 @@ module ActiveRecord
     # Attempts to save the record just like Base#save but will raise a +RecordInvalid+
     # exception instead of returning +false+ if the record is not valid.
     def save!(options={})
-      perform_validations(options) ? super : raise(RecordInvalid.new(self))
+      perform_validations(options) ? super : raise_record_invalid
     end
 
     # Runs all the validations within the specified context. Returns +true+ if
@@ -75,8 +75,24 @@ module ActiveRecord
 
     alias_method :validate, :valid?
 
+    # Runs all the validations within the specified context. Returns +true+ if
+    # no errors are found, raises +RecordInvalid+ otherwise.
+    #
+    # If the argument is +false+ (default is +nil+), the context is set to <tt>:create</tt> if
+    # <tt>new_record?</tt> is +true+, and to <tt>:update</tt> if it is not.
+    #
+    # Validations with no <tt>:on</tt> option will run no matter the context. Validations with
+    # some <tt>:on</tt> option will only run in the specified context.
+    def validate!(context = nil)
+      valid?(context) || raise_record_invalid
+    end
+
   protected
 
+    def raise_record_invalid
+      raise(RecordInvalid.new(self))
+    end
+
     def perform_validations(options={}) # :nodoc:
       options[:validate] == false || valid?(options[:context])
     end