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require 'cases/helper'
class ModelWithAttributes
include ActiveModel::AttributeMethods
attribute_method_suffix ''
class << self
define_method(:bar) do
'original bar'
end
end
def attributes
{ :foo => 'value of foo' }
end
private
def attribute(name)
attributes[name.to_sym]
end
end
class ModelWithAttributes2
include ActiveModel::AttributeMethods
attribute_method_suffix '_test'
end
class ModelWithAttributesWithSpaces
include ActiveModel::AttributeMethods
attribute_method_suffix ''
def attributes
{ :'foo bar' => 'value of foo bar'}
end
private
def attribute(name)
attributes[name.to_sym]
end
end
class ModelWithWeirdNamesAttributes
include ActiveModel::AttributeMethods
attribute_method_suffix ''
class << self
define_method(:'c?d') do
'original c?d'
end
end
def attributes
{ :'a?b' => 'value of a?b' }
end
private
def attribute(name)
attributes[name.to_sym]
end
end
class AttributeMethodsTest < ActiveModel::TestCase
test 'unrelated classes should not share attribute method matchers' do
assert_not_equal ModelWithAttributes.send(:attribute_method_matchers),
ModelWithAttributes2.send(:attribute_method_matchers)
end
test '#define_attribute_method generates attribute method' do
ModelWithAttributes.define_attribute_method(:foo)
assert_respond_to ModelWithAttributes.new, :foo
assert_equal "value of foo", ModelWithAttributes.new.foo
end
test '#define_attribute_method generates attribute method with invalid identifier characters' do
ModelWithWeirdNamesAttributes.define_attribute_method(:'a?b')
ModelWithWeirdNamesAttributes.define_attribute_method(:'a?b')
assert_respond_to ModelWithWeirdNamesAttributes.new, :'a?b'
assert_equal "value of a?b", ModelWithWeirdNamesAttributes.new.send('a?b')
end
test '#define_attribute_methods generates attribute methods' do
ModelWithAttributes.define_attribute_methods([:foo])
assert_respond_to ModelWithAttributes.new, :foo
assert_equal "value of foo", ModelWithAttributes.new.foo
end
test '#define_attribute_methods generates attribute methods with spaces in their names' do
ModelWithAttributesWithSpaces.define_attribute_methods([:'foo bar'])
assert_respond_to ModelWithAttributesWithSpaces.new, :'foo bar'
assert_equal "value of foo bar", ModelWithAttributesWithSpaces.new.send(:'foo bar')
end
test '#define_attr_method generates attribute method' do
ModelWithAttributes.define_attr_method(:bar, 'bar')
assert_respond_to ModelWithAttributes, :bar
assert_equal "original bar", ModelWithAttributes.original_bar
assert_equal "bar", ModelWithAttributes.bar
ModelWithAttributes.define_attr_method(:bar)
assert !ModelWithAttributes.bar
end
test '#define_attr_method generates attribute method with invalid identifier characters' do
ModelWithWeirdNamesAttributes.define_attr_method(:'c?d', 'c?d')
assert_respond_to ModelWithWeirdNamesAttributes, :'c?d'
assert_equal "original c?d", ModelWithWeirdNamesAttributes.send('original_c?d')
assert_equal "c?d", ModelWithWeirdNamesAttributes.send('c?d')
end
test '#alias_attribute works with attributes with spaces in their names' do
ModelWithAttributesWithSpaces.define_attribute_methods([:'foo bar'])
ModelWithAttributesWithSpaces.alias_attribute(:'foo_bar', :'foo bar')
assert_equal "value of foo bar", ModelWithAttributesWithSpaces.new.foo_bar
end
test '#undefine_attribute_methods removes attribute methods' do
ModelWithAttributes.define_attribute_methods([:foo])
ModelWithAttributes.undefine_attribute_methods
assert !ModelWithAttributes.new.respond_to?(:foo)
assert_raises(NoMethodError) { ModelWithAttributes.new.foo }
end
end
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