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-rw-r--r--activerecord/lib/active_record/base.rb2
-rw-r--r--activerecord/test/cases/mass_assignment_security_test.rb4
-rw-r--r--activerecord/test/cases/persistence_test.rb4
3 files changed, 10 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 67af21c9a0..d07f9365b3 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1688,6 +1688,8 @@ MSG
# user.name # => "Josh"
# user.is_admin? # => true
def assign_attributes(new_attributes, options = {})
+ return unless new_attributes
+
attributes = new_attributes.stringify_keys
role = options[:as] || :default
diff --git a/activerecord/test/cases/mass_assignment_security_test.rb b/activerecord/test/cases/mass_assignment_security_test.rb
index c81015b7c2..062a642e50 100644
--- a/activerecord/test/cases/mass_assignment_security_test.rb
+++ b/activerecord/test/cases/mass_assignment_security_test.rb
@@ -87,6 +87,10 @@ class MassAssignmentSecurityTest < ActiveRecord::TestCase
end
end
+ def test_mass_assigning_does_not_choke_on_nil
+ Firm.new.assign_attributes(nil)
+ end
+
def test_assign_attributes_uses_default_role_when_no_role_is_provided
p = LoosePerson.new
p.assign_attributes(attributes_hash)
diff --git a/activerecord/test/cases/persistence_test.rb b/activerecord/test/cases/persistence_test.rb
index b066575af8..57d1441128 100644
--- a/activerecord/test/cases/persistence_test.rb
+++ b/activerecord/test/cases/persistence_test.rb
@@ -336,6 +336,10 @@ class PersistencesTest < ActiveRecord::TestCase
assert !Topic.find(1).approved?
end
+ def test_update_attribute_does_not_choke_on_nil
+ assert Topic.find(1).update_attributes(nil)
+ end
+
def test_update_attribute_for_readonly_attribute
minivan = Minivan.find('m1')
assert_raises(ActiveRecord::ActiveRecordError) { minivan.update_attribute(:color, 'black') }