Module: Shoulda::ActiveRecord::Helpers

Included in:
Matchers::AllowValueMatcher, Matchers::EnsureLengthOfMatcher, Matchers::ValidateUniquenessOfMatcher, Test::Unit::TestCase
Defined in:
lib/shoulda/active_record/helpers.rb

Instance Method Summary collapse

Instance Method Details

#default_error_message(key, values = {}) ⇒ Object

Helper method that determines the default error message used by Active Record. Works for both existing Rails 2.1 and Rails 2.2 with the newly introduced I18n module used for localization.

default_error_message(:blank)
default_error_message(:too_short, :count => 5)
default_error_message(:too_long, :count => 60)



31
32
33
34
35
36
37
 
# File 'lib/shoulda/active_record/helpers.rb', line 31

def default_error_message(key, values = {})
  if Object.const_defined?(:I18n) # Rails >= 2.2
    I18n.translate("activerecord.errors.messages.#{key}", values)
  else # Rails <= 2.1.x
    ::ActiveRecord::Errors.default_error_messages[key] % values[:count]
  end
end

#get_instance_of(object_or_klass) ⇒ Object 



11
12
13
14
15
16
17
18
 
# File 'lib/shoulda/active_record/helpers.rb', line 11

def get_instance_of(object_or_klass)
  if object_or_klass.is_a?(Class)
    klass = object_or_klass
    instance_variable_get("@#{instance_variable_name_for(klass)}") || klass.new
  else
    object_or_klass
  end
end

#instance_variable_name_for(klass) ⇒ Object 



20
21
22
 
# File 'lib/shoulda/active_record/helpers.rb', line 20

def instance_variable_name_for(klass)
  klass.to_s.split('::').last.underscore
end

#pretty_error_messages(obj) ⇒ Object

:nodoc:



4
5
6
7
8
9
 
# File 'lib/shoulda/active_record/helpers.rb', line 4

def pretty_error_messages(obj) # :nodoc:
  obj.errors.map do |a, m| 
    msg = "#{a} #{m}" 
    msg << " (#{obj.send(a).inspect})" unless a.to_sym == :base
  end
end