Contents

require 'test_helper'

include RoutingFilter

class RoutingFilterTest < Test::Unit::TestCase
  class FooFilter < Filter
    attr_reader :name

    def initialize(name)
      @name = name
    end

    def foo(log, &block)
      log << name
      yield
    end
  end

  attr_reader :chain

  def setup
    @chain = Chain.new
    @chain.unshift FooFilter.new('custom filter')
    @chain.unshift FooFilter.new('common filter')
  end

  test "filter.previous is nil for the first filter in the chain" do
    assert_nil chain.first.previous
  end

  test "filter.previous returns the previous filter in the chain" do
    assert_equal chain.first, chain.last.previous
  end

  test "filter.next is nil for the last filter in the chain" do
    assert_nil chain.last.next
  end

  test "filter.next returns the next filter in the chain" do
    assert_equal chain.last, chain.first.next
  end

  test "chain.run calls the given method on registered filters in reverse order" do
    log = []
    assert_equal 'common filter, custom filter, finalizer', chain.run(:foo, log, &lambda { log << 'finalizer' }).join(', ')
  end
end

Version data entries

6 entries across 6 versions & 4 rubygems

Version	Path
routing-filter-0.2.4	test/routing_filter_test.rb
sayso-routing-filter-0.2.2.001	test/routing_filter_test.rb
vigetlabs-routing-filter-0.2.4	test/routing_filter_test.rb
aratak-routing-filter-0.2.4	test/routing_filter_test.rb
routing-filter-0.2.3	test/routing_filter_test.rb
routing-filter-0.2.2	test/routing_filter_test.rb