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require 'abstract_unit'
require 'active_support/core_ext/module/attribute_accessors_per_thread'
class ModuleAttributeAccessorTest < ActiveSupport::TestCase
def setup
@class = Class.new do
thread_mattr_accessor :foo
thread_mattr_accessor :bar, instance_writer: false
thread_mattr_reader :shaq, instance_reader: false
thread_mattr_accessor :camp, instance_accessor: false
end
@object = @class.new
end
def test_should_use_mattr_default
Thread.new do
assert_nil @class.foo
assert_nil @object.foo
end.join
end
def test_should_set_mattr_value
Thread.new do
@class.foo = :test
assert_equal :test, @class.foo
@class.foo = :test2
assert_equal :test2, @class.foo
end.join
end
def test_should_not_create_instance_writer
Thread.new do
assert_respond_to @class, :foo
assert_respond_to @class, :foo=
assert_respond_to @object, :bar
assert !@object.respond_to?(:bar=)
end.join
end
def test_should_not_create_instance_reader
Thread.new do
assert_respond_to @class, :shaq
assert !@object.respond_to?(:shaq)
end.join
end
def test_should_not_create_instance_accessors
Thread.new do
assert_respond_to @class, :camp
assert !@object.respond_to?(:camp)
assert !@object.respond_to?(:camp=)
end.join
end
def test_values_should_not_bleed_between_threads
threads = []
threads << Thread.new do
@class.foo = 'things'
sleep 1
assert_equal 'things', @class.foo
end
threads << Thread.new do
@class.foo = 'other things'
sleep 1
assert_equal 'other things', @class.foo
end
threads << Thread.new do
@class.foo = 'really other things'
sleep 1
assert_equal 'really other things', @class.foo
end
threads.each { |t| t.join }
end
def test_should_raise_name_error_if_attribute_name_is_invalid
exception = assert_raises NameError do
Class.new do
thread_cattr_reader "1nvalid"
end
end
assert_equal "invalid attribute name: 1nvalid", exception.message
exception = assert_raises NameError do
Class.new do
thread_cattr_writer "1nvalid"
end
end
assert_equal "invalid attribute name: 1nvalid", exception.message
exception = assert_raises NameError do
Class.new do
thread_mattr_reader "1valid_part"
end
end
assert_equal "invalid attribute name: 1valid_part", exception.message
exception = assert_raises NameError do
Class.new do
thread_mattr_writer "2valid_part"
end
end
assert_equal "invalid attribute name: 2valid_part", exception.message
end
end
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