From: ara.t.howard@...
Date: 2007-03-20T14:22:53+09:00
Subject: Re: Test::Unit::TestCase derived classes don't work when test methods are generated dynamically

On Tue, 20 Mar 2007, Derek Wong wrote:

here's an example of dynamic tests

   http://codeforpeople.com/lib/ruby/xx/xx-2.0.0/test/xx.rb

the point is that you need the tests defined before intialize is called so you
need to dynamically add them as class scope.

harp:~ > cat a.rb
require 'test/unit'
require 'test/unit/assertions'

class TestGenerator < Test::Unit::TestCase

  def setup
    puts "Setting up"
  end

  def teardown
    puts "Tearing down"
  end

  def self.createtests(testname)
    puts "Method name: #{testname}"
    define_method(testname) {
      puts "#{testname}"
      assert_equal("a", "a", "")
    }
  end

  def test_d
    puts "test_d"
    assert_equal("d", "d", "")
    test_a()
    test_b()
    test_c()
  end

    createtests("test_a")
    puts "Created test_a"
    createtests("test_b")
    puts "Created test_b"
    createtests("test_c")
    puts "Created test_c"
  def initialize(test_method_name)

    my_methods_list = self.methods.sort
    my_methods_list.each do |method|
      #puts "Methods supported #{method}"
    end
    super(test_method_name)
  end
end


harp:~ > ruby a.rb
Method name: test_a
Created test_a
Method name: test_b
Created test_b
Method name: test_c
Created test_c
Loaded suite a
Started
Setting up
test_a
Tearing down
.Setting up
test_b
Tearing down
.Setting up
test_c
Tearing down
.Setting up
test_d
test_a
test_b
test_c
Tearing down
.
Finished in 0.001139 seconds.

4 tests, 7 assertions, 0 failures, 0 errors



regards.

-a
-- 
be kind whenever possible... it is always possible.
- the dalai lama