require 'test_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