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| | require 'rack/handler'
class Rack::Handler::Lobster; end
class RockLobster; end
describe Rack::Handler do
it "has registered default handlers" do
Rack::Handler.get('cgi').should.equal Rack::Handler::CGI
Rack::Handler.get('webrick').should.equal Rack::Handler::WEBrick
begin
Rack::Handler.get('fastcgi').should.equal Rack::Handler::FastCGI
rescue LoadError
end
begin
Rack::Handler.get('mongrel').should.equal Rack::Handler::Mongrel
rescue LoadError
end
end
should "raise LoadError if handler doesn't exist" do
lambda {
Rack::Handler.get('boom')
}.should.raise(LoadError)
end
should "raise LoadError if handler isn't nested under Rack::Handler" do
# Feature-detect whether Ruby can do non-inherited const lookups.
# If it can't, then Rack::Handler may lookup non-handler toplevel
# constants, so the best we can do is no-op here and not test it.
begin
Rack::Handler._const_get('Object', false)
rescue NameError
lambda {
Rack::Handler.get('Object')
}.should.raise(LoadError)
end
end
should "get unregistered, but already required, handler by name" do
Rack::Handler.get('Lobster').should.equal Rack::Handler::Lobster
end
should "register custom handler" do
Rack::Handler.register('rock_lobster', 'RockLobster')
Rack::Handler.get('rock_lobster').should.equal RockLobster
end
should "not need registration for properly coded handlers even if not already required" do
begin
$LOAD_PATH.push File.expand_path('../unregistered_handler', __FILE__)
Rack::Handler.get('Unregistered').should.equal Rack::Handler::Unregistered
lambda {
Rack::Handler.get('UnRegistered')
}.should.raise LoadError
Rack::Handler.get('UnregisteredLongOne').should.equal Rack::Handler::UnregisteredLongOne
ensure
$LOAD_PATH.delete File.expand_path('../unregistered_handler', __FILE__)
end
end
should "allow autoloaded handlers to be registered properly while being loaded" do
path = File.expand_path('../registering_handler', __FILE__)
begin
$LOAD_PATH.push path
Rack::Handler.get('registering_myself').should.equal Rack::Handler::RegisteringMyself
ensure
$LOAD_PATH.delete path
end
end
end
|