class ModuleAttributeAccessorTest

Public Instance Methods

setup() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 7
def setup
  m = @module = Module.new do
    mattr_accessor :foo
    mattr_accessor :bar, instance_writer: false
    mattr_reader   :shaq, instance_reader: false
    mattr_accessor :camp, instance_accessor: false

    cattr_accessor(:defa) { "default_accessor_value" }
    cattr_reader(:defr) { "default_reader_value" }
    cattr_writer(:defw) { "default_writer_value" }
    cattr_accessor(:deff) { false }
    cattr_accessor(:quux) { :quux }

    cattr_accessor :def_accessor, default: "default_accessor_value"
    cattr_reader :def_reader, default: "default_reader_value"
    cattr_writer :def_writer, default: "default_writer_value"
    cattr_accessor :def_false, default: false
    cattr_accessor(:def_priority, default: false) { :no_priority }
  end
  @class = Class.new
  @class.instance_eval { include m }
  @object = @class.new
end
test_cattr_accessor_default_value() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 59
def test_cattr_accessor_default_value
  assert_equal :quux, @module.quux
  assert_equal :quux, @object.quux
end
test_declaring_multiple_attributes_at_once_invokes_the_block_multiple_times() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 129
def test_declaring_multiple_attributes_at_once_invokes_the_block_multiple_times
  count = 0

  @module.cattr_accessor(:defn1, :defn2) { count += 1 }

  assert_equal 1, @module.defn1
  assert_equal 2, @module.defn2
end
test_mattr_can_default_to_false() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 42
def test_mattr_can_default_to_false
  assert_equal false, @module.def_false
  assert_equal false, @module.deff
end
test_mattr_default_keyword_arguments() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 36
def test_mattr_default_keyword_arguments
  assert_equal "default_accessor_value", @module.def_accessor
  assert_equal "default_reader_value", @module.def_reader
  assert_equal "default_writer_value", @module.class_variable_get(:@@def_writer)
end
test_mattr_default_priority() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 47
def test_mattr_default_priority
  assert_equal false, @module.def_priority
end
test_method_invocation_should_not_invoke_the_default_block() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 118
def test_method_invocation_should_not_invoke_the_default_block
  count = 0

  @module.cattr_accessor(:defcount) { count += 1 }

  assert_equal 1, count
  assert_no_difference "count" do
    @module.defcount
  end
end
test_should_not_create_instance_accessors() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 76
def test_should_not_create_instance_accessors
  assert_respond_to @module, :camp
  assert !@object.respond_to?(:camp)
  assert !@object.respond_to?(:camp=)
end
test_should_not_create_instance_reader() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 71
def test_should_not_create_instance_reader
  assert_respond_to @module, :shaq
  assert !@object.respond_to?(:shaq)
end
test_should_not_create_instance_writer() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 64
def test_should_not_create_instance_writer
  assert_respond_to @module, :foo
  assert_respond_to @module, :foo=
  assert_respond_to @object, :bar
  assert !@object.respond_to?(:bar=)
end
test_should_raise_name_error_if_attribute_name_is_invalid() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 82
def test_should_raise_name_error_if_attribute_name_is_invalid
  exception = assert_raises NameError do
    Class.new do
      cattr_reader "1nvalid"
    end
  end
  assert_equal "invalid attribute name: 1nvalid", exception.message

  exception = assert_raises NameError do
    Class.new do
      cattr_writer "1nvalid"
    end
  end
  assert_equal "invalid attribute name: 1nvalid", exception.message

  exception = assert_raises NameError do
    Class.new do
      mattr_reader "valid_part\ninvalid_part"
    end
  end
  assert_equal "invalid attribute name: valid_part\ninvalid_part", exception.message

  exception = assert_raises NameError do
    Class.new do
      mattr_writer "valid_part\ninvalid_part"
    end
  end
  assert_equal "invalid attribute name: valid_part\ninvalid_part", exception.message
end
test_should_set_mattr_value() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 51
def test_should_set_mattr_value
  @module.foo = :test
  assert_equal :test, @object.foo

  @object.foo = :test2
  assert_equal :test2, @module.foo
end
test_should_use_default_value_if_block_passed() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 112
def test_should_use_default_value_if_block_passed
  assert_equal "default_accessor_value", @module.defa
  assert_equal "default_reader_value", @module.defr
  assert_equal "default_writer_value", @module.class_variable_get("@@defw")
end
test_should_use_mattr_default() click to toggle source
# File activesupport/test/core_ext/module/attribute_accessor_test.rb, line 31
def test_should_use_mattr_default
  assert_nil @module.foo
  assert_nil @object.foo
end