forked from thoughtbot/factory_bot
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factory.rb
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factory.rb
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require "active_support/core_ext/hash/keys"
require "active_support/inflector"
module FactoryGirl
class Factory
attr_reader :name, :definition #:nodoc:
def initialize(name, options = {}) #:nodoc:
assert_valid_options(options)
@name = name.to_s.underscore.to_sym
@parent = options[:parent]
@aliases = options[:aliases] || []
@traits = options[:traits] || []
@class_name = options[:class]
@default_strategy = options[:default_strategy]
@definition = Definition.new(@name)
end
delegate :add_callback, :declare_attribute, :to_create, :define_trait,
:defined_traits, :trait_by_name, :to => :@definition
def factory_name
$stderr.puts "DEPRECATION WARNING: factory.factory_name is deprecated; use factory.name instead."
name
end
def build_class #:nodoc:
@build_class ||= class_name.to_s.camelize.constantize
end
def default_strategy #:nodoc:
@default_strategy || parent.default_strategy || :create
end
def allow_overrides
attribute_list.overridable
self
end
def run(proxy_class, overrides, &block) #:nodoc:
runner_options = {
:attributes => attributes,
:callbacks => callbacks,
:to_create => to_create,
:build_class => build_class,
:proxy_class => proxy_class
}
result = Runner.new(runner_options).run(overrides)
block ? block.call(result) : result
end
def human_names
names.map {|name| name.to_s.humanize.downcase }
end
def associations
attributes.select {|attribute| attribute.association? }
end
# Names for this factory, including aliases.
#
# Example:
#
# factory :user, :aliases => [:author] do
# # ...
# end
#
# FactoryGirl.create(:author).class
# # => User
#
# Because an attribute defined without a value or block will build an
# association with the same name, this allows associations to be defined
# without factories, such as:
#
# factory :user, :aliases => [:author] do
# # ...
# end
#
# factory :post do
# author
# end
#
# FactoryGirl.create(:post).author.class
# # => User
def names
[name] + @aliases
end
def compile
parent.defined_traits.each {|trait| define_trait(trait) }
parent.compile
attribute_list.ensure_compiled
end
protected
def class_name #:nodoc:
@class_name || parent.class_name || name
end
def attributes
compile
AttributeList.new(@name).tap do |list|
traits.each do |trait|
list.apply_attribute_list(trait.attributes)
end
list.apply_attribute_list(attribute_list)
list.apply_attribute_list(parent.attributes)
end
end
def callbacks
[parent.callbacks, traits.map(&:callbacks), @definition.callbacks].flatten
end
private
def assert_valid_options(options)
options.assert_valid_keys(:class, :parent, :default_strategy, :aliases, :traits)
if options[:default_strategy]
Proxy.ensure_strategy_exists!(options[:default_strategy])
$stderr.puts "DEPRECATION WARNING: default_strategy is deprecated."
$stderr.puts "Override to_create if you need to prevent a call to #save!."
end
end
def traits
@traits.reverse.map { |name| trait_by_name(name) }
end
def parent
if @parent
FactoryGirl.factory_by_name(@parent)
else
NullFactory.new
end
end
def attribute_list
@definition.attribute_list
end
class Runner
def initialize(options = {})
@attributes = options[:attributes]
@callbacks = options[:callbacks]
@to_create = options[:to_create]
@build_class = options[:build_class]
@proxy_class = options[:proxy_class]
@overrides = {}
end
def run(overrides = {})
@overrides = overrides.symbolize_keys
apply_attributes
apply_remaining_overrides
proxy.result(@to_create)
end
private
def apply_attributes
@attributes.each do |attribute|
if overrides_for_attribute(attribute).any?
handle_attribute_with_overrides(attribute)
else
handle_attribute_without_overrides(attribute)
end
end
end
def apply_remaining_overrides
@overrides.each { |attr, val| proxy.set(attr, val) }
end
def overrides_for_attribute(attribute)
@overrides.select { |attr, val| attribute.aliases_for?(attr) }
end
def handle_attribute_with_overrides(attribute)
overrides_for_attribute(attribute).each do |attr, val|
if attribute.ignored
proxy.set_ignored(attr, val)
else
proxy.set(attr, val)
end
@overrides.delete(attr)
end
end
def handle_attribute_without_overrides(attribute)
attribute.add_to(proxy)
end
def proxy
@proxy ||= @proxy_class.new(@build_class, @callbacks)
end
end
end
end