rails/activesupport/test/option_merger_test.rb

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require File.dirname(__FILE__) + '/abstract_unit'
class OptionMergerTest < Test::Unit::TestCase
def setup
@options = {:hello => 'world'}
end
def test_method_with_options_merges_options_when_options_are_present
local_options = {:cool => true}
with_options(@options) do |o|
assert_equal local_options, method_with_options(local_options)
assert_equal @options.merge(local_options),
o.method_with_options(local_options)
end
end
def test_method_with_options_appends_options_when_options_are_missing
with_options(@options) do |o|
assert_equal Hash.new, method_with_options
assert_equal @options, o.method_with_options
end
end
def test_method_with_options_allows_to_overwrite_options
local_options = {:hello => 'moon'}
assert_equal @options.keys, local_options.keys
with_options(@options) do |o|
assert_equal local_options, method_with_options(local_options)
assert_equal @options.merge(local_options),
o.method_with_options(local_options)
assert_equal local_options, o.method_with_options(local_options)
end
with_options(local_options) do |o|
assert_equal local_options.merge(@options),
o.method_with_options(@options)
end
end
# Needed when counting objects with the ObjectSpace
def test_option_merger_class_method
assert_equal ActiveSupport::OptionMerger, ActiveSupport::OptionMerger.new('', '').class
end
private
def method_with_options(options = {})
options
end
end