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rails--rails/railties/test/fcgi_dispatcher_test.rb

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require 'abstract_unit'
uses_gem "fcgi", "0.8.7" do
require 'action_controller'
require 'fcgi_handler'
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Dispatcher.middleware.clear
class RailsFCGIHandlerTest < Test::Unit::TestCase
def setup
@log = StringIO.new
@handler = RailsFCGIHandler.new(@log)
end
def test_process_restart
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request = mock
FCGI.stubs(:each).yields(request)
@handler.expects(:process_request).once
@handler.expects(:dispatcher_error).never
@handler.expects(:when_ready).returns(:restart)
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@handler.expects(:close_connection).with(request)
@handler.expects(:reload!).never
@handler.expects(:restart!)
@handler.process!
end
def test_process_exit
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request = mock
FCGI.stubs(:each).yields(request)
@handler.expects(:process_request).once
@handler.expects(:dispatcher_error).never
@handler.expects(:when_ready).returns(:exit)
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@handler.expects(:close_connection).with(request)
@handler.expects(:reload!).never
@handler.expects(:restart!).never
@handler.process!
end
def test_process_with_system_exit_exception
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request = mock
FCGI.stubs(:each).yields(request)
@handler.expects(:process_request).once.raises(SystemExit)
@handler.stubs(:dispatcher_log)
@handler.expects(:dispatcher_log).with(:info, regexp_matches(/^stopping/))
@handler.expects(:dispatcher_error).never
@handler.expects(:when_ready).never
@handler.expects(:close_connection).never
@handler.expects(:reload!).never
@handler.expects(:restart!).never
@handler.process!
end
def test_restart_handler_outside_request
@handler.expects(:dispatcher_log).with(:info, "asked to restart ASAP")
@handler.expects(:restart!).once
@handler.send(:restart_handler, nil)
assert_equal nil, @handler.when_ready
end
def test_install_signal_handler_should_log_on_bad_signal
@handler.stubs(:trap).raises(ArgumentError)
@handler.expects(:dispatcher_log).with(:warn, "Ignoring unsupported signal CHEESECAKE.")
@handler.send(:install_signal_handler, "CHEESECAKE", nil)
end
def test_reload
@handler.expects(:restore!)
@handler.expects(:dispatcher_log).with(:info, "reloaded")
@handler.send(:reload!)
assert_nil @handler.when_ready
end
def test_reload_runs_gc_when_gc_request_period_set
@handler.expects(:run_gc!)
@handler.expects(:restore!)
@handler.expects(:dispatcher_log).with(:info, "reloaded")
@handler.gc_request_period = 10
@handler.send(:reload!)
end
def test_reload_doesnt_run_gc_if_gc_request_period_isnt_set
@handler.expects(:run_gc!).never
@handler.expects(:restore!)
@handler.expects(:dispatcher_log).with(:info, "reloaded")
@handler.send(:reload!)
end
def test_restart!
@handler.expects(:dispatcher_log).with(:info, "restarted")
@handler.expects(:exec).returns('restarted')
assert_equal 'restarted', @handler.send(:restart!)
end
def test_restore!
$".expects(:replace)
Dispatcher.expects(:reset_application!)
ActionController::Routing::Routes.expects(:reload)
@handler.send(:restore!)
end
def test_uninterrupted_processing
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request = mock
FCGI.expects(:each).yields(request)
@handler.expects(:process_request).with(request)
@handler.process!
assert_nil @handler.when_ready
end
end
class RailsFCGIHandlerSignalsTest < Test::Unit::TestCase
class ::RailsFCGIHandler
attr_accessor :signal
alias_method :old_gc_countdown, :gc_countdown
def gc_countdown
signal ? Process.kill(signal, $$) : old_gc_countdown
end
end
def setup
@log = StringIO.new
@handler = RailsFCGIHandler.new(@log)
@dispatcher = mock
Dispatcher.stubs(:new).returns(@dispatcher)
end
def test_interrupted_via_HUP_when_not_in_request
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request = mock
FCGI.expects(:each).once.yields(request)
@handler.expects(:signal).times(2).returns('HUP')
@handler.expects(:reload!).once
@handler.expects(:close_connection).never
@handler.expects(:exit).never
@handler.process!
assert_equal :reload, @handler.when_ready
end
def test_interrupted_via_USR1_when_not_in_request
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request = mock
FCGI.expects(:each).once.yields(request)
@handler.expects(:signal).times(2).returns('USR1')
@handler.expects(:exit_handler).never
@handler.expects(:reload!).never
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@handler.expects(:close_connection).with(request).once
@handler.expects(:exit).never
@handler.process!
assert_nil @handler.when_ready
end
def test_restart_via_USR2_when_in_request
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request = mock
FCGI.expects(:each).once.yields(request)
@handler.expects(:signal).times(2).returns('USR2')
@handler.expects(:exit_handler).never
@handler.expects(:reload!).never
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@handler.expects(:close_connection).with(request).once
@handler.expects(:exit).never
@handler.expects(:restart!).once
@handler.process!
assert_equal :restart, @handler.when_ready
end
def test_interrupted_via_TERM
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request = mock
FCGI.expects(:each).once.yields(request)
::Rack::Handler::FastCGI.expects(:serve).once.returns('TERM')
@handler.expects(:reload!).never
@handler.expects(:close_connection).never
@handler.process!
assert_nil @handler.when_ready
end
def test_runtime_exception_in_fcgi
error = RuntimeError.new('foo')
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FCGI.expects(:each).times(2).raises(error)
@handler.expects(:dispatcher_error).with(error, regexp_matches(/^retrying/))
@handler.expects(:dispatcher_error).with(error, regexp_matches(/^stopping/))
@handler.process!
end
def test_runtime_error_in_dispatcher
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request = mock
error = RuntimeError.new('foo')
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FCGI.expects(:each).once.yields(request)
::Rack::Handler::FastCGI.expects(:serve).once.raises(error)
@handler.expects(:dispatcher_error).with(error, regexp_matches(/^unhandled/))
@handler.process!
end
def test_signal_exception_in_fcgi
error = SignalException.new('USR2')
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FCGI.expects(:each).once.raises(error)
@handler.expects(:dispatcher_error).with(error, regexp_matches(/^stopping/))
@handler.process!
end
def test_signal_exception_in_dispatcher
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request = mock
error = SignalException.new('USR2')
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FCGI.expects(:each).once.yields(request)
::Rack::Handler::FastCGI.expects(:serve).once.raises(error)
@handler.expects(:dispatcher_error).with(error, regexp_matches(/^stopping/))
@handler.process!
end
end
class RailsFCGIHandlerPeriodicGCTest < Test::Unit::TestCase
def setup
@log = StringIO.new
end
def teardown
GC.enable
end
def test_normal_gc
@handler = RailsFCGIHandler.new(@log)
assert_nil @handler.gc_request_period
# When GC is enabled, GC.disable disables and returns false.
assert_equal false, GC.disable
end
def test_periodic_gc
@handler = RailsFCGIHandler.new(@log, 10)
assert_equal 10, @handler.gc_request_period
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request = mock
FCGI.expects(:each).times(10).yields(request)
@handler.expects(:run_gc!).never
9.times { @handler.process! }
@handler.expects(:run_gc!).once
@handler.process!
assert_nil @handler.when_ready
end
end
end # uses_gem "fcgi"