diff options
Diffstat (limited to 'activerecord/test/cases/lifecycle_test.rb')
-rw-r--r-- | activerecord/test/cases/lifecycle_test.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/activerecord/test/cases/lifecycle_test.rb b/activerecord/test/cases/lifecycle_test.rb index fcad3e90d3..233338498f 100644 --- a/activerecord/test/cases/lifecycle_test.rb +++ b/activerecord/test/cases/lifecycle_test.rb @@ -3,9 +3,18 @@ require 'models/topic' require 'models/developer' require 'models/reply' require 'models/minimalistic' +require 'models/comment' class SpecialDeveloper < Developer; end +class SalaryChecker < ActiveRecord::Observer + observe :special_developer + + def before_save(developer) + return developer.salary > 80000 + end +end + class TopicaAuditor < ActiveRecord::Observer observe :topic @@ -57,6 +66,28 @@ class MultiObserver < ActiveRecord::Observer end end +class ValidatedComment < Comment + attr_accessor :callers + + before_validation :record_callers + + after_validation do + record_callers + end + + def record_callers + callers << self.class if callers + end +end + +class ValidatedCommentObserver < ActiveRecord::Observer + attr_accessor :callers + + def after_validation(model) + callers << self.class if callers + end +end + class LifecycleTest < ActiveRecord::TestCase fixtures :topics, :developers, :minimalistics @@ -125,4 +156,27 @@ class LifecycleTest < ActiveRecord::TestCase def test_invalid_observer assert_raise(ArgumentError) { Topic.observers = Object.new; Topic.instantiate_observers } end + + test "model callbacks fire before observers are notified" do + callers = [] + + comment = ValidatedComment.new + comment.callers = ValidatedCommentObserver.instance.callers = callers + + comment.valid? + assert_equal [ValidatedComment, ValidatedComment, ValidatedCommentObserver], callers, + "model callbacks did not fire before observers were notified" + end + + test "able to save developer" do + SalaryChecker.instance # activate + developer = SpecialDeveloper.new :name => 'Roger', :salary => 100000 + assert developer.save, "developer with normal salary failed to save" + end + + test "unable to save developer with low salary" do + SalaryChecker.instance # activate + developer = SpecialDeveloper.new :name => 'Rookie', :salary => 50000 + assert !developer.save, "allowed to save a developer with too low salary" + end end |