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factory.rb
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factory.rb
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module Factory
# Build actions for the model
def self.build(model, &block)
name = model.to_s.underscore
define_method("#{name}_attributes", block)
define_method("valid_#{name}_attributes") {|*args| valid_attributes_for(model, *args)}
define_method("new_#{name}") {|*args| new_record(model, *args)}
define_method("create_#{name}") {|*args| create_record(model, *args)}
end
# Get valid attributes for the model
def valid_attributes_for(model, attributes = {})
name = model.to_s.underscore
send("#{name}_attributes", attributes)
attributes.stringify_keys!
attributes
end
# Build an unsaved record
def new_record(model, *args)
attributes = valid_attributes_for(model, *args)
record = model.new(attributes)
attributes.each {|attr, value| record.send("#{attr}=", value) if model.accessible_attributes && !model.accessible_attributes.include?(attr) || model.protected_attributes && model.protected_attributes.include?(attr)}
record
end
# Build and save/reload a record
def create_record(model, *args)
record = new_record(model, *args)
record.save!
record.reload
record
end
build Car do |attributes|
attributes.reverse_merge!(
:name => 'Porsche'
)
end
build Employee do |attributes|
attributes.reverse_merge!(
:name => 'John Smith'
)
end
build Manager do |attributes|
valid_employee_attributes(attributes)
end
build Preference do |attributes|
attributes[:owner] = create_user unless attributes.include?(:owner)
attributes.reverse_merge!(
:name => 'notifications',
:value => false
)
end
build User do |attributes|
attributes.reverse_merge!(
:login => 'admin'
)
end
end