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-rw-r--r--activerecord/CHANGELOG.md5
-rw-r--r--activerecord/lib/active_record/relation/finder_methods.rb2
-rw-r--r--activerecord/test/cases/finder_test.rb5
-rw-r--r--activerecord/test/models/topic.rb6
4 files changed, 17 insertions, 1 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 36f628ee43..40c2399783 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,5 +1,10 @@
## Rails 3.2.10 (unreleased)
+* Use `nil?` instead of `blank?` to check whether dynamic finder with a bang
+ should raise RecordNotFound. Fixes #7238.
+
+ *Nikita Afanasenko*
+
* Use query cache/uncache when using ENV["DATABASE_URL"].
Fixes #6951. [Backport #8074]
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index abc67d9c15..44aeb309d6 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -263,7 +263,7 @@ module ActiveRecord
conditions = Hash[attributes.map {|a| [a, args[attributes.index(a)]]}]
result = where(conditions).send(match.finder)
- if match.bang? && result.blank?
+ if match.bang? && result.nil?
raise RecordNotFound, "Couldn't find #{@klass.name} with #{conditions.to_a.collect {|p| p.join(' = ')}.join(', ')}"
else
yield(result) if block_given?
diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb
index 5d72e35c60..e50a334958 100644
--- a/activerecord/test/cases/finder_test.rb
+++ b/activerecord/test/cases/finder_test.rb
@@ -652,6 +652,11 @@ class FinderTest < ActiveRecord::TestCase
assert_raise(ActiveRecord::RecordNotFound) { Topic.find_by_title!("The First Topic!") }
end
+ def test_find_by_one_attribute_bang_with_blank_defined
+ blank_topic = BlankTopic.create(:title => "The Blank One")
+ assert_equal blank_topic, BlankTopic.find_by_title!("The Blank One")
+ end
+
def test_find_by_one_attribute_with_order_option
assert_equal accounts(:signals37), Account.find_by_credit_limit(50, :order => 'id')
assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :order => 'id DESC')
diff --git a/activerecord/test/models/topic.rb b/activerecord/test/models/topic.rb
index 1a1a18166a..5166fefe81 100644
--- a/activerecord/test/models/topic.rb
+++ b/activerecord/test/models/topic.rb
@@ -112,6 +112,12 @@ class ImportantTopic < Topic
serialize :important, Hash
end
+class BlankTopic < Topic
+ def blank?
+ true
+ end
+end
+
module Web
class Topic < ActiveRecord::Base
has_many :replies, :dependent => :destroy, :foreign_key => "parent_id", :class_name => 'Web::Reply'