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require 'abstract_unit'
require 'fixtures/topic'
class AttributeMethodsTest < Test::Unit::TestCase
def setup
@old_suffixes = ActiveRecord::Base.send(:attribute_method_suffixes).dup
@target = Class.new(ActiveRecord::Base)
@target.table_name = 'topics'
end
def teardown
ActiveRecord::Base.send(:attribute_method_suffixes).clear
ActiveRecord::Base.attribute_method_suffix *@old_suffixes
end
def test_match_attribute_method_query_returns_match_data
assert_not_nil md = @target.match_attribute_method?('title=')
assert_equal 'title', md.pre_match
assert_equal ['='], md.captures
%w(_hello_world ist! _maybe?).each do |suffix|
@target.class_eval "def attribute#{suffix}(*args) args end"
@target.attribute_method_suffix suffix
assert_not_nil md = @target.match_attribute_method?("title#{suffix}")
assert_equal 'title', md.pre_match
assert_equal [suffix], md.captures
end
end
def test_declared_attribute_method_affects_respond_to_and_method_missing
topic = @target.new(:title => 'Budget')
assert topic.respond_to?('title')
assert_equal 'Budget', topic.title
assert !topic.respond_to?('title_hello_world')
assert_raise(NoMethodError) { topic.title_hello_world }
%w(_hello_world _it! _candidate= able?).each do |suffix|
@target.class_eval "def attribute#{suffix}(*args) args end"
@target.attribute_method_suffix suffix
meth = "title#{suffix}"
assert topic.respond_to?(meth)
assert_equal ['title'], topic.send(meth)
assert_equal ['title', 'a'], topic.send(meth, 'a')
assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3)
end
end
def test_should_unserialize_attributes_for_frozen_records
myobj = {:value1 => :value2}
topic = Topic.create("content" => myobj)
topic.freeze
assert_equal myobj, topic.content
end
def test_kernel_methods_not_implemented_in_activerecord
%w(test name display y).each do |method|
assert_equal false, ActiveRecord::Base.instance_method_already_implemented?(method), "##{method} is defined"
end
end
def test_primary_key_implemented
assert_equal true, Class.new(ActiveRecord::Base).instance_method_already_implemented?('id')
end
def test_defined_kernel_methods_implemented_in_model
%w(test name display y).each do |method|
klass = Class.new ActiveRecord::Base
klass.class_eval "def #{method}() 'defined #{method}' end"
assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
end
end
def test_defined_kernel_methods_implemented_in_model_abstract_subclass
%w(test name display y).each do |method|
abstract = Class.new ActiveRecord::Base
abstract.class_eval "def #{method}() 'defined #{method}' end"
abstract.abstract_class = true
klass = Class.new abstract
assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
end
end
def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model
%w(save create_or_update).each do |method|
klass = Class.new ActiveRecord::Base
klass.class_eval "def #{method}() 'defined #{method}' end"
assert_raises ActiveRecord::DangerousAttributeError do
klass.instance_method_already_implemented?(method)
end
end
end
end
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