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rails--rails/activesupport/test/autoload.rb
Carlhuda c1304098cc Reorganize autoloads:
* A new module (ActiveSupport::Autoload) is provide that extends
    autoloading with new behavior.
  * All autoloads in modules that have extended ActiveSupport::Autoload
    will be eagerly required in threadsafe environments
  * Autoloads can optionally leave off the path if the path is the same
    as full_constant_name.underscore
  * It is possible to specify that a group of autoloads live under an
    additional path. For instance, all of ActionDispatch's middlewares
    are ActionDispatch::MiddlewareName, but they live under 
    "action_dispatch/middlewares/middleware_name"
  * It is possible to specify that a group of autoloads are all found
    at the same path. For instance, a number of exceptions might all
    be declared there.
  * One consequence of this is that testing-related constants are not
    autoloaded. To get the testing helpers for a given component,
    require "component_name/test_case". For instance, "action_controller/test_case".
  * test_help.rb, which is automatically required by a Rails application's
    test helper, requires the test_case.rb for all active components, so
    this change will not be disruptive in existing or new applications.
2009-12-02 20:01:08 -08:00

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Ruby

require 'abstract_unit'
class TestAutoloadModule < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
module ::Fixtures
extend ActiveSupport::Autoload
module Autoload
extend ActiveSupport::Autoload
end
end
test "the autoload module works like normal autoload" do
module ::Fixtures::Autoload
autoload :SomeClass, "fixtures/autoload/some_class"
end
assert_nothing_raised { ::Fixtures::Autoload::SomeClass }
end
test "when specifying an :eager constant it still works like normal autoload by default" do
module ::Fixtures::Autoload
autoload :SomeClass, "fixtures/autoload/some_class"
end
assert !$LOADED_FEATURES.include?("fixtures/autoload/some_class.rb")
assert_nothing_raised { ::Fixtures::Autoload::SomeClass }
end
test ":eager constants can be triggered via ActiveSupport::Autoload.eager_autoload!" do
module ::Fixtures::Autoload
autoload :SomeClass, "fixtures/autoload/some_class"
end
ActiveSupport::Autoload.eager_autoload!
assert $LOADED_FEATURES.include?("fixtures/autoload/some_class.rb")
assert_nothing_raised { ::Fixtures::Autoload::SomeClass }
end
test "the location of autoloaded constants defaults to :name.underscore" do
module ::Fixtures::Autoload
autoload :SomeClass
end
assert !$LOADED_FEATURES.include?("fixtures/autoload/some_class.rb")
assert_nothing_raised { ::Fixtures::Autoload::SomeClass }
end
test "the location of :eager autoloaded constants defaults to :name.underscore" do
module ::Fixtures::Autoload
autoload :SomeClass
end
ActiveSupport::Autoload.eager_autoload!
assert $LOADED_FEATURES.include?("fixtures/autoload/some_class.rb")
assert_nothing_raised { ::Fixtures::Autoload::SomeClass }
end
test "a directory for a block of autoloads can be specified" do
module ::Fixtures
autoload_under "autoload" do
autoload :AnotherClass
end
end
assert !$LOADED_FEATURES.include?("fixtures/autoload/another_class.rb")
assert_nothing_raised { ::Fixtures::AnotherClass }
end
test "a path for a block of autoloads can be specified" do
module ::Fixtures
autoload_at "fixtures/autoload/another_class" do
autoload :AnotherClass
end
end
assert !$LOADED_FEATURES.include?("fixtures/autoload/another_class.rb")
assert_nothing_raised { ::Fixtures::AnotherClass }
end
end