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require 'forwardable'
module QA
module Factory
class Base
extend SingleForwardable
def_delegators :evaluator, :dependency, :dependencies
def_delegators :evaluator, :product, :attributes
def fabricate!(*_args)
raise NotImplementedError
end
def self.fabricate!(*args)
new.tap do |factory|
yield factory if block_given?
dependencies.each do |name, signature|
Factory::Dependency.new(name, factory, signature).build!
end
factory.fabricate!(*args)
break Factory::Product.populate!(factory)
end
end
def self.evaluator
@evaluator ||= Factory::Base::DSL.new(self)
end
class DSL
attr_reader :dependencies, :attributes
def initialize(base)
@base = base
@dependencies = {}
@attributes = {}
end
def dependency(factory, as:, &block)
as.tap do |name|
@base.class_eval { attr_accessor name }
Dependency::Signature.new(factory, block).tap do |signature|
@dependencies.store(name, signature)
end
end
end
def product(attribute, &block)
Product::Attribute.new(attribute, block).tap do |signature|
@attributes.store(attribute, signature)
end
end
end
end
end
end
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