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Add test for Observer#observer_class and change the implementation slightly. Closes #11099 [ernesto.jimenez]

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8875 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Michael Koziarski 2008-02-15 23:09:51 +00:00
parent c55120c8e6
commit f3fd2b18b7
2 changed files with 7 additions and 3 deletions
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6
activerecord/lib/active_record/observer.rb
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@ -151,10 +151,10 @@ module ActiveRecord
end end
# The class observed by default is inferred from the observer's class name: # The class observed by default is inferred from the observer's class name:
# assert_equal [Person], PersonObserver.observed_class # assert_equal Person, PersonObserver.observed_class
def observed_class def observed_class
if observed_class_name = name.scan(/(.*)Observer/)[0] if observed_class_name = /(.*)Observer/.match(name)[1]
observed_class_name[0].constantize observed_class_name.constantize
else else
nil nil
end end

4
activerecord/test/cases/lifecycle_test.rb
View file

@ -134,4 +134,8 @@ class LifecycleTest < ActiveRecord::TestCase
def test_invalid_observer def test_invalid_observer
assert_raise(ArgumentError) { Topic.observers = Object.new; Topic.instantiate_observers } assert_raise(ArgumentError) { Topic.observers = Object.new; Topic.instantiate_observers }
end end
def test_getting_observed_class_from_class_name
assert_equal Topic, TopicObserver.observed_class
end
end end