# Usage: in the faux-model class, include EphemeralModel and ActiveRecord::Validations
# Then just say "column :foo" to set up a property called 'foo' for validation
module EphemeralModel
# Stubbing methods from ActiveRecord::Base that ActiveRecord::Validations may call
def EphemeralModel.included(mod)
def mod.self_and_descendents_from_active_record; [self]; end
def mod.human_attribute_name(arg); arg.to_s; end
def mod.human_name; self.name; end
def mod.column(attr_name)
attr_name = attr_name.to_s
column_names.push(attr_name) unless column_names.include?(attr_name)
attr_accessor attr_name
end
mod.module_eval do
def self.column_names
cn = self.instance_variable_get(:@column_names)
if cn.nil?
cn = self.instance_variable_set(:@column_names, [])
end
cn
end
end
end
def save; end
def save!; end
def update_attribute; end
def new_record?; end
def initialize(initial_attributes = nil)
initial_attributes.each{|k,v| instance_variable_set("@#{k}".to_sym, v)} if initial_attributes
end
def attributes
@attributes = {}
self.class.column_names.each do |colname|
@attributes[colname]= instance_variable_get("@#{colname}".to_sym)
end
@attributes
end
def attribute_names
self.class.column_names
end
def [](name); attributes[name.to_s]; end
def []=(name, value)
instance_variable_set("@#{name}".to_sym, value)
# print "set #{name} to " + instance_variable_get("@#{name}".to_sym) + ".\n" # DEBUG
end
end
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