Class: Test::Unit::TestCase

Inherits:
Object
  • Object
show all
Defined in:
lib/must.rb

Class Method Summary collapse

Class Method Details

.must(name, &block) ⇒ Object 



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# File 'lib/must.rb', line 9

def self.must(name, &block)
  # convert "any method description" to any_method_description
  test_name = "test_#{name.gsub(/\s+/, '_')}".to_sym

  # don't define a new method if its already defined
  defined = instance_method(test_name) rescue false
  raise "#{test_name} is already defined on #{self}" if defined

  if block_given?
    # define the actual test_something_is_valid TestCase method
    # pass it its functionality through a closure block
    define_method(test_name, &block)
  else
    define_method(test_name) do
      flunk "No implementation provided for #{name}"
    end
  end
end