instiki/vendor/rails/railties/test/backtrace_cleaner_test.rb

require 'abstract_unit'

require 'initializer'
require 'rails/backtrace_cleaner'

if defined? Test::Unit::Util::BacktraceFilter
  class TestWithBacktrace
    include Test::Unit::Util::BacktraceFilter
    include Rails::BacktraceFilterForTestUnit
  end

  class BacktraceCleanerFilterTest < ActiveSupport::TestCase
    def setup
      @test = TestWithBacktrace.new
      @backtrace = [ './test/rails/benchmark_test.rb', './test/rails/dependencies.rb', '/opt/local/lib/ruby/kernel.rb' ]
    end
    
    test "test with backtrace should use the rails backtrace cleaner to clean" do
      Rails.stubs(:backtrace_cleaner).returns(stub(:clean))
      Rails.backtrace_cleaner.expects(:clean).with(@backtrace, nil)
      @test.filter_backtrace(@backtrace)
    end
    
    test "filter backtrace should have the same arity as Test::Unit::Util::BacktraceFilter" do
      assert_nothing_raised do
        @test.filter_backtrace(@backtrace, '/opt/local/lib')
      end
    end
  end
else
  $stderr.puts 'No BacktraceFilter for minitest'
end