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require 'test_helper'
class MachineTestSubject
include ActiveModel::StateMachine
state_machine do
state :open
state :closed
end
state_machine :initial => :foo do
event :shutdown do
transitions :from => :open, :to => :closed
end
event :timeout do
transitions :from => :open, :to => :closed
end
end
state_machine :extra, :initial => :bar do
end
end
class StateMachineMachineTest < ActiveModel::TestCase
test "allows reuse of existing machines" do
assert_equal 2, MachineTestSubject.state_machines.size
end
test "sets #initial_state from :initial option" do
assert_equal :bar, MachineTestSubject.state_machine(:extra).initial_state
end
test "accesses non-default state machine" do
assert_kind_of ActiveModel::StateMachine::Machine, MachineTestSubject.state_machine(:extra)
end
test "finds events for given state" do
events = MachineTestSubject.state_machine.events_for(:open)
assert events.include?(:shutdown)
assert events.include?(:timeout)
end
end
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