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require 'abstract_unit'
class WraithAttack < StandardError
end
class NuclearExplosion < StandardError
end
class MadRonon < StandardError
end
class CoolError < StandardError
end
module WeirdError
def self.===(other)
Exception === other && other.respond_to?(:weird?)
end
end
class Stargate
attr_accessor :result
include ActiveSupport::Rescuable
rescue_from WraithAttack, :with => :sos_first
rescue_from WraithAttack, :with => :sos
rescue_from 'NuclearExplosion' do
@result = 'alldead'
end
rescue_from MadRonon do |e|
@result = e.message
end
rescue_from WeirdError do
@result = 'weird'
end
def dispatch(method)
send(method)
rescue Exception => e
rescue_with_handler(e)
end
def attack
raise WraithAttack
end
def nuke
raise NuclearExplosion
end
def ronanize
raise MadRonon.new("dex")
end
def weird
StandardError.new.tap do |exc|
def exc.weird?
true
end
raise exc
end
end
def sos
@result = 'killed'
end
def sos_first
@result = 'sos_first'
end
end
class CoolStargate < Stargate
attr_accessor :result
include ActiveSupport::Rescuable
rescue_from CoolError, :with => :sos_cool_error
def sos_cool_error
@result = 'sos_cool_error'
end
end
class RescuableTest < ActiveSupport::TestCase
def setup
@stargate = Stargate.new
@cool_stargate = CoolStargate.new
end
def test_rescue_from_with_method
@stargate.dispatch :attack
assert_equal 'killed', @stargate.result
end
def test_rescue_from_with_block
@stargate.dispatch :nuke
assert_equal 'alldead', @stargate.result
end
def test_rescue_from_with_block_with_args
@stargate.dispatch :ronanize
assert_equal 'dex', @stargate.result
end
def test_rescue_from_error_dispatchers_with_case_operator
@stargate.dispatch :weird
assert_equal 'weird', @stargate.result
end
def test_rescues_defined_later_are_added_at_end_of_the_rescue_handlers_array
expected = ["WraithAttack", "WraithAttack", "NuclearExplosion", "MadRonon", "WeirdError"]
result = @stargate.send(:rescue_handlers).collect(&:first)
assert_equal expected, result
end
def test_children_should_inherit_rescue_definitions_from_parents_and_child_rescue_should_be_appended
expected = ["WraithAttack", "WraithAttack", "NuclearExplosion", "MadRonon", "WeirdError", "CoolError"]
result = @cool_stargate.send(:rescue_handlers).collect(&:first)
assert_equal expected, result
end
end
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