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require 'abstract_unit'

unless defined?(Rails) && defined?(Rails::Info)
  module Rails
    class Info; end
  end
end

require "active_support/core_ext/kernel/reporting"

class InfoTest < ActiveSupport::TestCase
  def setup
    Rails.send :remove_const, :Info
    silence_warnings { load 'rails/info.rb' }
  end

  def test_property_with_block_swallows_exceptions_and_ignores_property
    assert_nothing_raised do
      Rails::Info.module_eval do
        property('Bogus') {raise}
      end
    end
    assert !property_defined?('Bogus')
  end

  def test_property_with_string
    Rails::Info.module_eval do
      property 'Hello', 'World'
    end
    assert_property 'Hello', 'World'
  end

  def test_property_with_block
    Rails::Info.module_eval do
      property('Goodbye') {'World'}
    end
    assert_property 'Goodbye', 'World'
  end

  def test_framework_version
    assert_property 'Active Support version', ActiveSupport::VERSION::STRING
  end

  def test_frameworks_exist
    Rails::Info.frameworks.each do |framework|
      dir = File.dirname(__FILE__) + "/../../" + framework.delete('_')
      assert File.directory?(dir), "#{framework.classify} does not exist"
    end
  end

  def test_html_includes_middleware
    Rails::Info.module_eval do
      property 'Middleware', ['Rack::Lock', 'Rack::Static']
    end

    html = Rails::Info.to_html
    assert html.include?('<tr><td class="name">Middleware</td>')
    properties.value_for('Middleware').each do |value|
      assert html.include?("<li>#{CGI.escapeHTML(value)}</li>")
    end
  end

  protected
    def svn_info=(info)
      Rails::Info.module_eval do
        class << self
          def svn_info
            info
          end
        end
      end
    end

    def properties
      Rails::Info.properties
    end

    def property_defined?(property_name)
      properties.names.include? property_name
    end

    def assert_property(property_name, value)
      raise "Property #{property_name.inspect} not defined" unless
        property_defined? property_name
      assert_equal value, properties.value_for(property_name)
    end
end