Created
February 4, 2016 07:17
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rozwiazanko
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| require 'factory_boy/factory' | |
| require 'factory_boy/errors' | |
| require 'factory_boy/factory_identifier' | |
| require 'factory_boy/factory_register' | |
| module FactoryBoy | |
| @defined_factories = FactoryRegister.new | |
| def self.clear_factories | |
| @defined_factories = FactoryRegister.new | |
| end | |
| def self.defined_factories | |
| @defined_factories | |
| end | |
| def self.define_factory(klass, options = {}, &block) | |
| factory = Factory.new(&block) | |
| factory.instance_eval(&block) if block_given? | |
| @defined_factories[FactoryIdentifier.new(klass, options)] = factory | |
| end | |
| def self.build(klass, attributes = {}) | |
| factory_key, builder = @defined_factories.find(FactoryIdentifier.new(klass)) | |
| factory_key.object_klass.new.tap do |instance| | |
| builder.attributes.merge(attributes).each do |name, value| | |
| fail Errors::NotExistingAttribute.new(name) unless instance.respond_to?("#{name}=") | |
| instance.public_send("#{name}=", value) | |
| end | |
| end | |
| end | |
| end | |
| class Factory < BasicObject | |
| def initialize(&block) | |
| @attributes = {} | |
| end | |
| def method_missing(attribute_name, *parameters, &block) | |
| attributes[attribute_name] = parameters.first | |
| end | |
| attr_reader :attributes | |
| end | |
| class FactoryIdentifier | |
| def initialize(class_or_symbol, opts = {}) | |
| if class_or_symbol.is_a? Symbol | |
| @symbol = class_or_symbol | |
| @object_klass = class_if_possible(opts[:class], class_or_symbol.capitalize) | |
| else | |
| @symbol = class_or_symbol.name.downcase.to_sym | |
| @object_klass = class_or_symbol | |
| end | |
| end | |
| attr_reader :symbol, :object_klass | |
| def ==(other) | |
| self.class === other and other.symbol == @symbol | |
| end | |
| def hash | |
| @symbol.hash | |
| end | |
| alias eql? == | |
| private | |
| def class_if_possible(options_class, symbol) | |
| options_class || (Object.const_defined?(symbol) && Object.const_get(symbol)) | |
| end | |
| end | |
| module FactoryBoy | |
| class FactoryRegister | |
| include Enumerable | |
| attr_accessor :factories | |
| def initialize(factories = {}) | |
| @factories = factories | |
| end | |
| def each | |
| @factories.map { |f| yield f } | |
| end | |
| def []=(identifier, factory) | |
| @factories[identifier] = factory | |
| end | |
| def find(identifier) | |
| matching_factory = @factories.select { |x| x.symbol == identifier.symbol } | |
| fail Errors::UndefinedFactory.new unless matching_factory.any? | |
| matching_factory.first.to_a | |
| end | |
| end | |
| end | |
| module FactoryBoy | |
| module Errors | |
| UndefinedFactory = Class.new(StandardError) | |
| NotExistingAttribute = Class.new(StandardError) | |
| end | |
| end |
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