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require 'abstract_unit'
require 'active_support/core_ext/class/attribute_accessors'
class ClassAttributeAccessorTest < ActiveSupport::TestCase
def setup
@class = Class.new do
cattr_accessor :foo
cattr_accessor :bar, :instance_writer => false
cattr_reader :shaq, :instance_reader => false
cattr_accessor :camp, :instance_accessor => false
end
@object = @class.new
end
def test_should_use_mattr_default
assert_nil @class.foo
assert_nil @object.foo
end
def test_should_set_mattr_value
@class.foo = :test
assert_equal :test, @object.foo
@object.foo = :test2
assert_equal :test2, @class.foo
end
def test_should_not_create_instance_writer
assert_respond_to @class, :foo
assert_respond_to @class, :foo=
assert_respond_to @object, :bar
assert !@object.respond_to?(:bar=)
end
def test_should_not_create_instance_reader
assert_respond_to @class, :shaq
assert !@object.respond_to?(:shaq)
end
def test_should_not_create_instance_accessors
assert_respond_to @class, :camp
assert !@object.respond_to?(:camp)
assert !@object.respond_to?(:camp=)
end
def test_should_raise_name_error_if_attribute_name_is_invalid
assert_raises NameError do
Class.new do
cattr_reader "invalid attribute name"
end
end
assert_raises NameError do
Class.new do
cattr_writer "invalid attribute name"
end
end
end
end
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