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Test that #[] and #[]= keep working when #read_attribute and #write_attribute are overridden

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Tom Stuart 2012-01-11 09:57:21 +00:00
parent d0acd025ec
commit 701afabd3d
1 changed files with 33 additions and 0 deletions
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33
activerecord/test/cases/attribute_methods_test.rb
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@ -318,6 +318,39 @@ class AttributeMethodsTest < ActiveRecord::TestCase
# puts ""
end
def test_overridden_write_attribute
topic = Topic.new
def topic.write_attribute(attr_name, value)
super(attr_name, value.downcase)
end
topic.send(:write_attribute, :title, "Yet another topic")
assert_equal "yet another topic", topic.title
topic[:title] = "Yet another topic: part 2"
assert_equal "yet another topic: part 2", topic.title
topic.send(:write_attribute, "title", "Yet another topic: part 3")
assert_equal "yet another topic: part 3", topic.title
topic["title"] = "Yet another topic: part 4"
assert_equal "yet another topic: part 4", topic.title
end
def test_overridden_read_attribute
topic = Topic.new
topic.title = "Stop changing the topic"
def topic.read_attribute(attr_name)
super(attr_name).upcase
end
assert_equal "STOP CHANGING THE TOPIC", topic.send(:read_attribute, "title")
assert_equal "STOP CHANGING THE TOPIC", topic["title"]
assert_equal "STOP CHANGING THE TOPIC", topic.send(:read_attribute, :title)
assert_equal "STOP CHANGING THE TOPIC", topic[:title]
end
def test_read_overridden_attribute
topic = Topic.new(:title => 'a')
def topic.title() 'b' end