Added Rails::Info to catalog assorted information about a Rails application's environment
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2882 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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*SVN*
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* Added Rails::Info to catalog assorted information about a Rails application's environment [Sam Stephenson]
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* Tail the logfile when running script/lighttpd in the foreground [Sam Stephenson]
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* Try to guess the port number from config/lighttpd.conf in script/lighttpd [Sam Stephenson]
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66
railties/lib/info.rb
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66
railties/lib/info.rb
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module Rails
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module Info
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mattr_accessor :properties
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@@properties = []
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class << self #:nodoc:
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def property(name, value = nil)
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value ||= yield
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properties << [name, value] if value
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rescue Exception
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end
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def components
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%w(active_record action_pack action_web_service
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action_mailer active_support)
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end
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def component_version(component)
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require "#{component}/version"
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"#{component.classify}::Version::STRING".constantize
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end
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def edge_rails_revision
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svn_info[/^Revision: (\d+)/, 1] || 'unknown'
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end
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protected
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def svn_info
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Dir.chdir("#{RAILS_ROOT}/vendor/rails") do
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IO.popen('svn info') { |f| f.read }
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end
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end
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end
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# The Ruby version and platform, e.g. "1.8.2 (powerpc-darwin8.2.0)".
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property 'Ruby version', "#{RUBY_VERSION} (#{RUBY_PLATFORM})"
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# The RubyGems version, if it's installed.
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property 'RubyGems version' do
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Gem::RubyGemsVersion
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end
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# Versions of each Rails component (Active Record, Action Pack,
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# Action Web Service, Action Mailer, and Active Support).
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components.each do |component|
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property "#{component.titlecase} version" do
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component_version(component)
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end
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end
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# The Rails SVN revision, if it's checked out into vendor/rails.
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property 'Edge Rails revision' do
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edge_rails_revision
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end
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# The current Rails environment (development, test, or production).
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property 'Environment' do
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RAILS_ENV
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end
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# The name of the database adapter for the current environment.
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property 'Database adapter' do
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ActiveRecord::Base.configurations[RAILS_ENV]['adapter']
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end
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end
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end
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77
railties/test/info_test.rb
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railties/test/info_test.rb
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$:.unshift File.dirname(__FILE__) + "/../lib"
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$:.unshift File.dirname(__FILE__) + "/../../activesupport/lib"
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require 'test/unit'
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require 'active_support'
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require 'info'
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class << Rails::Info
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protected
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def svn_info
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<<-EOS
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Path: .
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URL: http://www.rubyonrails.com/svn/rails/trunk
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Repository UUID: 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
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Revision: 2881
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Node Kind: directory
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Schedule: normal
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Last Changed Author: sam
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Last Changed Rev: 2881
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Last Changed Date: 2005-11-04 21:04:41 -0600 (Fri, 04 Nov 2005)
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Properties Last Updated: 2005-10-28 19:30:00 -0500 (Fri, 28 Oct 2005)
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EOS
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end
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end
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class InfoTest < Test::Unit::TestCase
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def test_edge_rails_revision_extracted_from_svn_info
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assert_equal '2881', Rails::Info.edge_rails_revision
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end
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def test_property_with_block_swallows_exceptions_and_ignores_property
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assert_nothing_raised do
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Rails::Info.module_eval do
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property('Bogus') {raise}
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end
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end
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assert !property_defined?('Bogus')
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end
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def test_property_with_string
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Rails::Info.module_eval do
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property 'Hello', 'World'
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end
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assert_property 'Hello', 'World'
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end
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def test_property_with_block
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Rails::Info.module_eval do
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property('Goodbye') {'World'}
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end
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assert_property 'Goodbye', 'World'
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end
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def test_component_version
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assert_property 'Active Support version', ActiveSupport::Version::STRING
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end
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protected
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def property_names
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Rails::Info.properties.map {|(name, )| name}
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end
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def property_value(property_name)
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Rails::Info.properties.find {|(name, )| property_name == name}.last
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end
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def property_defined?(property_name)
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property_names.include? property_name
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end
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def assert_property(property_name, value)
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raise "Property #{property_name.inspect} not defined" unless
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property_defined? property_name
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assert_equal value, property_value(property_name)
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end
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end
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