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Merge pull request #3331 from fabrik42/master

Include affected record when raising an ActiveRecord::StaleObjectError
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2 parents 401d00d + c6f0461 commit 521a089166a17d447c3b3b32ff7f9394774ca895 @josevalim josevalim committed Oct 14, 2011
@@ -99,6 +99,16 @@ class PreparedStatementInvalid < ActiveRecordError
#
# Read more about optimistic locking in ActiveRecord::Locking module RDoc.
class StaleObjectError < ActiveRecordError
+ attr_reader :record, :attempted_action
+
+ def initialize(record, attempted_action)
+ @record = record
+ @attempted_action = attempted_action
+ end
+
+ def message
+ "Attempted to #{attempted_action} a stale object: #{record.class.name}"
+ end
end
# Raised when association is being configured improperly or
@@ -103,7 +103,7 @@ def update(attribute_names = @attributes.keys) #:nodoc:
affected_rows = connection.update stmt
unless affected_rows == 1
- raise ActiveRecord::StaleObjectError, "Attempted to update a stale object: #{self.class.name}"
+ raise ActiveRecord::StaleObjectError.new(self, "update")
end
affected_rows
@@ -127,7 +127,7 @@ def destroy #:nodoc:
affected_rows = self.class.unscoped.where(predicate).delete_all
unless affected_rows == 1
- raise ActiveRecord::StaleObjectError, "Attempted to delete a stale object: #{self.class.name}"
+ raise ActiveRecord::StaleObjectError.new(self, "destroy")
end
end
@@ -125,6 +125,24 @@ def test_lock_new
assert_raise(ActiveRecord::StaleObjectError) { p2.save! }
end
+ def test_lock_exception_record
+ p1 = Person.new(:first_name => 'mira')
+ assert_equal 0, p1.lock_version
+
+ p1.first_name = 'mira2'
+ p1.save!
+ p2 = Person.find(p1.id)
+ assert_equal 0, p1.lock_version
+ assert_equal 0, p2.lock_version
+
+ p1.first_name = 'mira3'
+ p1.save!
+
+ p2.first_name = 'sue'
+ error = assert_raise(ActiveRecord::StaleObjectError) { p2.save! }
+ assert_equal(error.record.object_id, p2.object_id)
+ end
+
def test_lock_new_with_nil
p1 = Person.new(:first_name => 'anika')
p1.save!
@@ -141,7 +159,6 @@ def test_touch_existing_lock
assert_equal 1, p1.lock_version
end
-
def test_lock_column_name_existing
t1 = LegacyThing.find(1)
t2 = LegacyThing.find(1)

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