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require 'cases/helper'
class StateTransitionTest < ActiveModel::TestCase
test 'should set from, to, and opts attr readers' do
opts = {:from => 'foo', :to => 'bar', :guard => 'g'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
assert_equal opts[:from], st.from
assert_equal opts[:to], st.to
assert_equal opts, st.options
end
test 'should pass equality check if from and to are the same' do
opts = {:from => 'foo', :to => 'bar', :guard => 'g'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.stubs(:from).returns(opts[:from])
obj.stubs(:to).returns(opts[:to])
assert_equal st, obj
end
test 'should fail equality check if from are not the same' do
opts = {:from => 'foo', :to => 'bar', :guard => 'g'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.stubs(:from).returns('blah')
obj.stubs(:to).returns(opts[:to])
assert_not_equal st, obj
end
test 'should fail equality check if to are not the same' do
opts = {:from => 'foo', :to => 'bar', :guard => 'g'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.stubs(:from).returns(opts[:from])
obj.stubs(:to).returns('blah')
assert_not_equal st, obj
end
end
class StateTransitionGuardCheckTest < ActiveModel::TestCase
test 'should return true of there is no guard' do
opts = {:from => 'foo', :to => 'bar'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
assert st.perform(nil)
end
test 'should call the method on the object if guard is a symbol' do
opts = {:from => 'foo', :to => 'bar', :guard => :test_guard}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.expects(:test_guard)
st.perform(obj)
end
test 'should call the method on the object if guard is a string' do
opts = {:from => 'foo', :to => 'bar', :guard => 'test_guard'}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.expects(:test_guard)
st.perform(obj)
end
test 'should call the proc passing the object if the guard is a proc' do
opts = {:from => 'foo', :to => 'bar', :guard => Proc.new {|o| o.test_guard}}
st = ActiveModel::StateMachine::StateTransition.new(opts)
obj = stub
obj.expects(:test_guard)
st.perform(obj)
end
end
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