Moved all the shared tasks from Rakefile into Rails, so that the Rakefile is empty and doesn't require updating. Added Rails::Initializer and Rails::Configuration to abstract all of the common setup out of config/environment.rb (uses config/boot.rb to bootstrap the initializer and paths)

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2115 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

8 files changed, 371 insertions, 0 deletions

diff --git a/railties/lib/initializer.rb b/railties/lib/initializer.rb
new file mode 100644
index 0000000000..2a172cc53d
--- /dev/null
+++ b/railties/lib/initializer.rb
@@ -0,0 +1,158 @@
+require 'logger'
+
+RAILS_ENV = ENV['RAILS_ENV'] || 'development'
+
+module Rails
+  class Initializer
+    attr_reader :configuration
+    
+    def self.run(command = :process, configuration = Configuration.new)
+      yield configuration if block_given?
+      new(configuration).send(command)
+    end
+    
+    def initialize(configuration)
+      @configuration = configuration
+    end
+    
+    def process
+      set_load_path
+
+      require_frameworks
+      require_environment
+
+      initialize_database
+      initialize_logger
+      initialize_framework_logging
+      initialize_routing
+    end
+    
+    def set_load_path
+      configuration.load_paths.reverse.each { |dir| $LOAD_PATH.unshift(dir) if File.directory?(dir) }
+      $LOAD_PATH.uniq!
+    end
+    
+    def require_frameworks
+      configuration.frameworks.each { |framework| require(framework.to_s) }
+    end
+    
+    def require_environment
+      require_dependency(configuration.environment_file)
+    end
+    
+    def initialize_database
+      return unless configuration.frameworks.include?(:active_record)
+      ActiveRecord::Base.configurations = configuration.database_configuration
+      ActiveRecord::Base.establish_connection
+    end
+    
+    def initialize_logger
+      begin
+        logger = Logger.new(configuration.log_path)
+        logger.level = configuration.log_level
+      rescue StandardError
+        logger = Logger.new(STDERR)
+        logger.level = Logger::WARN
+        logger.warn(
+          "Rails Error: Unable to access log file. Please ensure that #{configuration.log_path} exists and is chmod 0666. " +
+          "The log level has been raised to WARN and the output directed to STDERR until the problem is fixed."
+        )
+      end
+      
+      Object.const_set "RAILS_DEFAULT_LOGGER", logger
+    end
+    
+    def initialize_framework_logging
+      [ActiveRecord, ActionController, ActionMailer].each { |mod| mod::Base.logger ||= RAILS_DEFAULT_LOGGER }        
+    end
+    
+    def initialize_framework_views
+      [ActionController, ActionMailer].each { |mod| mod::Base.template_root ||= configuration.view_path }        
+    end
+
+    def initialize_routing
+      return unless configuration.frameworks.include?(:action_controller)
+      ActionController::Routing::Routes.reload
+      Object.const_set "Controllers", Dependencies::LoadingModule.root(*configuration.controller_paths)
+    end
+  end
+  
+  class Configuration
+    attr_accessor :frameworks, :load_paths, :log_level, :log_path, :database_configuration_file, :view_path, :controller_paths
+    
+    def initialize
+      self.frameworks       = default_frameworks
+      self.load_paths       = default_load_paths
+      self.log_path         = default_log_path
+      self.log_level        = default_log_level
+      self.view_path        = default_view_path
+      self.controller_paths = default_controller_paths
+      self.database_configuration_file  = default_database_configuration_file
+    end
+    
+    def database_configuration
+      YAML::load(ERB.new((IO.read(database_configuration_file))).result)
+    end
+    
+    def environment_file
+      "environments/#{environment}"
+    end
+    
+    def environment
+      ::RAILS_ENV
+    end
+    
+    private
+      def default_frameworks
+        [ :active_support, :active_record, :action_controller, :action_mailer, :action_web_service ]
+      end
+    
+      def default_load_paths
+        paths = ["#{environment}/test/mocks/#{environment}"]
+
+        # Then model subdirectories.
+        paths.concat(Dir["#{RAILS_ROOT}/app/models/[_a-z]*"])
+        paths.concat(Dir["#{RAILS_ROOT}/components/[_a-z]*"])
+
+        # Followed by the standard includes.
+        paths.concat %w(
+          app 
+          app/models 
+          app/controllers 
+          app/helpers 
+          app/apis 
+          components 
+          config 
+          lib 
+          vendor 
+          vendor/rails/railties
+          vendor/rails/railties/lib
+          vendor/rails/actionpack/lib
+          vendor/rails/activesupport/lib
+          vendor/rails/activerecord/lib
+          vendor/rails/actionmailer/lib
+          vendor/rails/actionwebservice/lib
+        ).map { |dir| "#{RAILS_ROOT}/#{dir}" }.select { |dir| File.directory?(dir) }
+      end
+
+      def default_log_path
+        File.join(RAILS_ROOT, 'log', "#{environment}.log")
+      end
+      
+      def default_log_level
+        environment == 'production' ? Logger::INFO : Logger::DEBUG
+      end
+      
+      def default_database_configuration_file
+        File.join(RAILS_ROOT, 'config', 'database.yml')
+      end
+      
+      def default_view_path
+        File.join(RAILS_ROOT, 'app', 'views')
+      end
+      
+      def default_controller_paths
+        [ File.join(RAILS_ROOT, 'app', 'controllers'), File.join(RAILS_ROOT, 'components') ]
+      end
+  end
+end
\ No newline at end of file
diff --git a/railties/lib/rails_generator/generators/applications/app/app_generator.rb b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
index e8a3decffd..eee37be5c1 100644
--- a/railties/lib/rails_generator/generators/applications/app/app_generator.rb
+++ b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
@@ -37,6 +37,7 @@ class AppGenerator < Rails::Generator::Base
       m.template "configs/apache.conf",  "public/.htaccess"
 
       # Environments
+      m.file "environments/boot.rb",        "config/boot.rb"
       m.file "environments/environment.rb", "config/environment.rb"
       m.file "environments/production.rb",  "config/environments/production.rb"
       m.file "environments/development.rb", "config/environments/development.rb"
diff --git a/railties/lib/tasks/databases.rake b/railties/lib/tasks/databases.rake
new file mode 100644
index 0000000000..470fc07d35
--- /dev/null
+++ b/railties/lib/tasks/databases.rake
@@ -0,0 +1,93 @@
+desc "Migrate the database according to the migrate scripts in db/migrate (only supported on PG/MySQL). A specific version can be targetted with VERSION=x"
+task :migrate => :environment do
+  ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/db/migrate/', ENV["VERSION"] ? ENV["VERSION"].to_i : nil)
+end
+
+desc "Load fixtures into the current environment's database"
+task :load_fixtures => :environment do
+  require 'active_record/fixtures'
+  ActiveRecord::Base.establish_connection(RAILS_ENV.to_sym)
+  Dir.glob(File.join(RAILS_ROOT, 'test', 'fixtures', '*.yml')).each do |fixture_file|
+    Fixtures.create_fixtures('test/fixtures', File.basename(fixture_file, '.*'))
+  end
+end
+
+desc "Recreate the test databases from the development structure"
+task :clone_structure_to_test => [ :db_structure_dump, :purge_test_database ] do
+  abcs = ActiveRecord::Base.configurations
+  case abcs["test"]["adapter"]
+    when  "mysql"
+      ActiveRecord::Base.establish_connection(:test)
+      ActiveRecord::Base.connection.execute('SET foreign_key_checks = 0')
+      IO.readlines("db/#{RAILS_ENV}_structure.sql").join.split("\n\n").each do |table|
+        ActiveRecord::Base.connection.execute(table)
+      end
+    when "postgresql"
+      ENV['PGHOST']     = abcs["test"]["host"] if abcs["test"]["host"]
+      ENV['PGPORT']     = abcs["test"]["port"].to_s if abcs["test"]["port"]
+      ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"]
+      `psql -U "#{abcs["test"]["username"]}" -f db/#{RAILS_ENV}_structure.sql #{abcs["test"]["database"]}`
+    when "sqlite", "sqlite3"
+      `#{abcs[RAILS_ENV]["adapter"]} #{abcs["test"]["dbfile"]} < db/#{RAILS_ENV}_structure.sql`
+    when "sqlserver"
+      `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
+    when "oci", 
+      ActiveRecord::Base.establish_connection(:test)
+      IO.readlines("db/#{RAILS_ENV}_structure.sql").join.split(";\n\n").each do |ddl|
+        ActiveRecord::Base.connection.execute(ddl)
+      end
+    else 
+      raise "Unknown database adapter '#{abcs["test"]["adapter"]}'"
+  end
+end
+
+desc "Dump the database structure to a SQL file"
+task :db_structure_dump => :environment do
+  abcs = ActiveRecord::Base.configurations
+  case abcs[RAILS_ENV]["adapter"] 
+    when "mysql", "oci"
+      ActiveRecord::Base.establish_connection(abcs[RAILS_ENV])
+      File.open("db/#{RAILS_ENV}_structure.sql", "w+") { |f| f << ActiveRecord::Base.connection.structure_dump }
+    when "postgresql"
+      ENV['PGHOST']     = abcs[RAILS_ENV]["host"] if abcs[RAILS_ENV]["host"]
+      ENV['PGPORT']     = abcs[RAILS_ENV]["port"].to_s if abcs[RAILS_ENV]["port"]
+      ENV['PGPASSWORD'] = abcs[RAILS_ENV]["password"].to_s if abcs[RAILS_ENV]["password"]
+      `pg_dump -U "#{abcs[RAILS_ENV]["username"]}" -s -x -O -f db/#{RAILS_ENV}_structure.sql #{abcs[RAILS_ENV]["database"]}`
+    when "sqlite", "sqlite3"
+      `#{abcs[RAILS_ENV]["adapter"]} #{abcs[RAILS_ENV]["dbfile"]} .schema > db/#{RAILS_ENV}_structure.sql`
+    when "sqlserver"
+      `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /f db\\#{RAILS_ENV}_structure.sql /q /A /r`
+      `scptxfr /s #{abcs[RAILS_ENV]["host"]} /d #{abcs[RAILS_ENV]["database"]} /I /F db\ /q /A /r`
+    else 
+      raise "Unknown database adapter '#{abcs["test"]["adapter"]}'"
+  end
+end
+
+desc "Empty the test database"
+task :purge_test_database => :environment do
+  abcs = ActiveRecord::Base.configurations
+  case abcs["test"]["adapter"]
+    when "mysql"
+      ActiveRecord::Base.establish_connection(:test)
+      ActiveRecord::Base.connection.recreate_database(abcs["test"]["database"])
+    when "postgresql"
+      ENV['PGHOST']     = abcs["test"]["host"] if abcs["test"]["host"]
+      ENV['PGPORT']     = abcs["test"]["port"].to_s if abcs["test"]["port"]
+      ENV['PGPASSWORD'] = abcs["test"]["password"].to_s if abcs["test"]["password"]
+      `dropdb -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
+      `createdb -T template0 -U "#{abcs["test"]["username"]}" #{abcs["test"]["database"]}`
+    when "sqlite","sqlite3"
+      File.delete(abcs["test"]["dbfile"]) if File.exist?(abcs["test"]["dbfile"])
+    when "sqlserver"
+      dropfkscript = "#{abcs["test"]["host"]}.#{abcs["test"]["database"]}.DP1".gsub(/\\/,'-')
+      `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{dropfkscript}`
+      `osql -E -S #{abcs["test"]["host"]} -d #{abcs["test"]["database"]} -i db\\#{RAILS_ENV}_structure.sql`
+    when "oci"
+      ActiveRecord::Base.establish_connection(:test)
+      ActiveRecord::Base.connection.structure_drop.split(";\n\n").each do |ddl|
+        ActiveRecord::Base.connection.execute(ddl)
+      end
+    else
+      raise "Unknown database adapter '#{abcs["test"]["adapter"]}'"
+  end
+end
\ No newline at end of file
diff --git a/railties/lib/tasks/documentation.rake b/railties/lib/tasks/documentation.rake
new file mode 100644
index 0000000000..9d8fc6383c
--- /dev/null
+++ b/railties/lib/tasks/documentation.rake
@@ -0,0 +1,44 @@
+desc "Generate documentation for the application"
+Rake::RDocTask.new("appdoc") { |rdoc|
+  rdoc.rdoc_dir = 'doc/app'
+  rdoc.title    = "Rails Application Documentation"
+  rdoc.options << '--line-numbers --inline-source'
+  rdoc.rdoc_files.include('doc/README_FOR_APP')
+  rdoc.rdoc_files.include('app/**/*.rb')
+}
+
+desc "Generate documentation for the Rails framework"
+Rake::RDocTask.new("apidoc") { |rdoc|
+  rdoc.rdoc_dir = 'doc/api'
+  rdoc.template = "#{ENV['template']}.rb" if ENV['template']
+  rdoc.title    = "Rails Framework Documentation"
+  rdoc.options << '--line-numbers --inline-source'
+  rdoc.rdoc_files.include('README')
+  rdoc.rdoc_files.include('CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/railties/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/railties/MIT-LICENSE')
+  rdoc.rdoc_files.include('vendor/rails/activerecord/README')
+  rdoc.rdoc_files.include('vendor/rails/activerecord/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/activerecord/lib/active_record/**/*.rb')
+  rdoc.rdoc_files.exclude('vendor/rails/activerecord/lib/active_record/vendor/*')
+  rdoc.rdoc_files.include('vendor/rails/actionpack/README')
+  rdoc.rdoc_files.include('vendor/rails/actionpack/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/actionpack/lib/action_controller/**/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionpack/lib/action_view/**/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionmailer/README')
+  rdoc.rdoc_files.include('vendor/rails/actionmailer/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/actionmailer/lib/action_mailer/base.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/README')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/api/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/client/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/container/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/dispatcher/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/protocol/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/actionwebservice/lib/action_web_service/support/*.rb')
+  rdoc.rdoc_files.include('vendor/rails/activesupport/README')
+  rdoc.rdoc_files.include('vendor/rails/activesupport/CHANGELOG')
+  rdoc.rdoc_files.include('vendor/rails/activesupport/lib/active_support/**/*.rb')
+}
\ No newline at end of file
diff --git a/railties/lib/tasks/misc.rake b/railties/lib/tasks/misc.rake
new file mode 100644
index 0000000000..713f622547
--- /dev/null
+++ b/railties/lib/tasks/misc.rake
@@ -0,0 +1,15 @@
+desc "Run all the tests on a fresh test database"
+task :default => [ :test_units, :test_functional ]
+
+task :environment do
+  require(File.join(RAILS_ROOT, 'config', 'environment'))
+end
+
+
+desc "Clears all *.log files in log/"
+task :clear_logs do
+  FileList["log/*.log"].each do |log_file|
+    f = File.open(log_file, "w")
+    f.close
+  end
+end
diff --git a/railties/lib/tasks/rails.rb b/railties/lib/tasks/rails.rb
new file mode 100644
index 0000000000..28e4d8af80
--- /dev/null
+++ b/railties/lib/tasks/rails.rb
@@ -0,0 +1,7 @@
+$VERBOSE = nil
+
+# Load Rails rakefile extensions
+Dir["#{File.dirname(__FILE__)}/*.rake"].each { |ext| load ext }
+
+# Load any custom rakefile extensions
+Dir["./config/tasks/**/*.rake"].each { |ext| load ext }
\ No newline at end of file
diff --git a/railties/lib/tasks/statistics.rake b/railties/lib/tasks/statistics.rake
new file mode 100644
index 0000000000..66b654725b
--- /dev/null
+++ b/railties/lib/tasks/statistics.rake
@@ -0,0 +1,13 @@
+desc "Report code statistics (KLOCs, etc) from the application"
+task :stats do
+  require 'code_statistics'
+  CodeStatistics.new(
+    ["Helpers", "app/helpers"], 
+    ["Controllers", "app/controllers"], 
+    ["APIs", "app/apis"],
+    ["Components", "components"],
+    ["Functionals", "test/functional"],
+    ["Models", "app/models"],
+    ["Units", "test/unit"]
+  ).to_s
+end
diff --git a/railties/lib/tasks/testing.rake b/railties/lib/tasks/testing.rake
new file mode 100644
index 0000000000..3542b74763
--- /dev/null
+++ b/railties/lib/tasks/testing.rake
@@ -0,0 +1,40 @@
+TEST_CHANGES_SINCE = Time.now - 600
+
+# Look up tests for recently modified sources.
+def recent_tests(source_pattern, test_path, touched_since = 10.minutes.ago)
+  FileList[source_pattern].map do |path|
+    if File.mtime(path) > touched_since
+      test = "#{test_path}/#{File.basename(path, '.rb')}_test.rb"
+      test if File.exists?(test)
+    end
+  end.compact
+end
+
+desc 'Test recent changes.'
+Rake::TestTask.new(:recent => [ :clone_structure_to_test ]) do |t|
+  since = TEST_CHANGES_SINCE
+  touched = FileList['test/**/*_test.rb'].select { |path| File.mtime(path) > since } +
+    recent_tests('app/models/*.rb', 'test/unit', since) +
+    recent_tests('app/controllers/*.rb', 'test/functional', since)
+
+  t.libs << 'test'
+  t.verbose = true
+  t.test_files = touched.uniq
+end
+task :test_recent => [ :clone_structure_to_test ]
+
+desc "Run the unit tests in test/unit"
+Rake::TestTask.new("test_units") { |t|
+  t.libs << "test"
+  t.pattern = 'test/unit/**/*_test.rb'
+  t.verbose = true
+}
+task :test_units => [ :clone_structure_to_test ]
+
+desc "Run the functional tests in test/functional"
+Rake::TestTask.new("test_functional") { |t|
+  t.libs << "test"
+  t.pattern = 'test/functional/**/*_test.rb'
+  t.verbose = true
+}
+task :test_functional => [ :clone_structure_to_test ]
\ No newline at end of file