From aad5a30bf25d8a3167afd685fc91c99f4f09cc57 Mon Sep 17 00:00:00 2001 From: Joshua Peek Date: Tue, 4 Aug 2009 11:03:57 -0500 Subject: Add simple support for ActiveModel's StateMachine for ActiveRecord --- activerecord/test/cases/state_machine_test.rb | 42 +++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 activerecord/test/cases/state_machine_test.rb (limited to 'activerecord/test/cases/state_machine_test.rb') diff --git a/activerecord/test/cases/state_machine_test.rb b/activerecord/test/cases/state_machine_test.rb new file mode 100644 index 0000000000..5d13668bab --- /dev/null +++ b/activerecord/test/cases/state_machine_test.rb @@ -0,0 +1,42 @@ +require 'cases/helper' +require 'models/traffic_light' + +class StateMachineTest < ActiveRecord::TestCase + def setup + @light = TrafficLight.create! + end + + test "states initial state" do + assert @light.off? + assert_equal :off, @light.current_state + end + + test "transition to a valid state" do + @light.reset + assert @light.red? + assert_equal :red, @light.current_state + + @light.green_on + assert @light.green? + assert_equal :green, @light.current_state + end + + test "transition does not persist state" do + @light.reset + assert_equal :red, @light.current_state + @light.reload + assert_equal "off", @light.state + end + + test "transition does persists state" do + @light.reset! + assert_equal :red, @light.current_state + @light.reload + assert_equal "red", @light.state + end + + test "transition to an invalid state" do + assert_raise(ActiveModel::StateMachine::InvalidTransition) { @light.yellow_on } + assert_equal :off, @light.current_state + end +end -- cgit v1.2.3