Module: Repository::Support::TestAttributeContainer

Defined in:
lib/repository/support/test_attribute_container.rb

Overview

Adds :attributes property to caller, and enhanced attribute getter/setter.

Instance Method Summary collapse

Instance Method Details

#init_empty_attribute_container ⇒ Object

rubocop:disable Metrics/AbcSize rubocop:disable Metrics/CyclomaticComplexity rubocop:disable Metrics/MethodLength



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/repository/support/test_attribute_container.rb', line 12

def init_empty_attribute_container
  define_method :attributes do
    @attributes ||= {}
  end

  define_method(:attributes=) do |attribs|
    @attributes = attribs.to_h
  end

  define_method(:method_missing) do |method_sym, *arguments, &block|
    method_or_type = attribute_key_for?(method_sym)
    case method_or_type
    when :none
      super method_sym, arguments, block
    when :reader
      attributes[method_sym]
    else
      attributes[method_or_type] = arguments.first
    end
  end

  define_method(:respond_to?) do |method_sym, include_private = false|
    return true unless attribute_key_for?(method_sym) == :none
    super method_sym, include_private
  end

  # private
  define_method(:attribute_key_for?) do |key_sym|
    if attributes.to_h.key? key_sym
      :reader
    else
      setter_for_or_none(key_sym)
    end
  end

  # private
  define_method :setter_for_or_none do |key|
    match = key.to_s.match(/(\S+?)=/)
    has_setter = match && attributes.key?(match[1].to_sym)
    has_setter ? match[1].to_sym : :none
  end
  instance_eval { private :attribute_key_for?, :setter_for_or_none }
  self
end