+ENV["RAILS_ENV"] = "test"
+require File.expand_path(File.dirname(__FILE__) + '/../../../../config/environment')
+require 'test_help'
+
+class RubyExtensionsTest < Test::Unit::TestCase
+
+ def setup
+ # create the module to be used for config testing
+ eval "module TestModule end"
+ end
+
+ def teardown
+ # remove the TestModule constant from our scope
+ self.class.class_eval { remove_const :TestModule }
+ end
+
+
+ #
+ # Module.config
+ #
+
+ def test_config_no_arguments
+ assert_raise(RuntimeError) { TestModule.config }
+ end
+
+ def test_config_array_arguments
+ TestModule.config :monkey, 123
+ assert_equal(123, TestModule.config(:monkey))
+ end
+
+ def test_config_hash_arguments
+ TestModule.config :monkey => 123, :donkey => 456
+ assert_equal(123, TestModule.config(:monkey))
+ assert_equal(456, TestModule.config(:donkey))
+ end
+
+ def test_config_can_store_hash
+ TestModule.config :hash, :key1 => 'val1', :key2 => 'val2'
+ assert_equal({:key1 => 'val1', :key2 => 'val2'}, TestModule.config(:hash))
+ end
+
+ def test_config_cant_overwrite_existing_config_values
+ TestModule.config :monkey, 123
+ assert_equal(123, TestModule.config(:monkey))
+ TestModule.config :monkey, 456
+ assert_equal(123, TestModule.config(:monkey))
+
+ TestModule.config :monkey => 456
+ assert_equal(123, TestModule.config(:monkey))
+
+ # in this case, the resulting Hash only has {:baboon => "goodbye!"} - that's Ruby, users beware.
+ TestModule.config :baboon => "hello", :baboon => "goodbye!"
+ assert_equal("goodbye!", TestModule.config(:baboon))
+ end
+
+ def test_config_force_new_value
+ TestModule.config :monkey, 123
+ TestModule.config :man, 321
+ assert_equal(123, TestModule.config(:monkey))
+ assert_equal(321, TestModule.config(:man))
+ TestModule.config :monkey, 456, :force
+ assert_equal(456, TestModule.config(:monkey))
+ TestModule.config :monkey => 456, :man => 654, :force => true
+ assert_equal(456, TestModule.config(:monkey))
+ assert_equal(654, TestModule.config(:man))
+ TestModule.config :monkey => 789, :man => 987, :force => false
+ assert_equal(456, TestModule.config(:monkey))
+ assert_equal(654, TestModule.config(:man))
+
+ TestModule.config :hash, :key1 => 'val1', :key2 => 'val2'
+ assert_equal({:key1 => 'val1', :key2 => 'val2'}, TestModule.config(:hash))
+ TestModule.config :hash => {:key1 => 'val3', :key2 => 'val4'}, :force => true
+ assert_equal({:key1 => 'val3', :key2 => 'val4'}, TestModule.config(:hash))
+ end
+
+ # this test is somewhat redundant, but it might be an idea to havbe it explictly anyway
+ def test_config_get_values
+ TestModule.config :monkey, 123
+ assert_equal(123, TestModule.config(:monkey))
+ end
+
+ def test_config_get_multiple_values
+ TestModule.config :monkey, 123
+ TestModule.config :donkey, 456
+ assert_equal([123, 456], TestModule.config([:monkey, :donkey]))
+ end
+
+
+ #
+ # Module.default_constant
+ #
+
+ def test_default_constant_set
+ TestModule.default_constant :Monkey, 123
+ assert_equal(123, TestModule::Monkey)
+ TestModule.default_constant "Hello", 456
+ assert_equal(456, TestModule::Hello)
+ end
+
+ def test_default_constant_cannot_set_again
+ TestModule.default_constant :Monkey, 789
+ assert_equal(789, TestModule::Monkey)
+ TestModule.default_constant :Monkey, 456
+ assert_equal(789, TestModule::Monkey)
+ end
+
+ def test_default_constant_bad_arguments
+ # constant names must be Captialized
+ assert_raise(NameError) { TestModule.default_constant :lowercase_name, 123 }
+
+ # constant names should be given as Strings or Symbols
+ assert_raise(RuntimeError) { TestModule.default_constant 123, 456 }
+ assert_raise(RuntimeError) { TestModule.default_constant Object.new, 456 }
+ end
+end