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author | Joshua Peek <josh@joshpeek.com> | 2009-08-04 11:03:57 -0500 |
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committer | Joshua Peek <josh@joshpeek.com> | 2009-08-04 11:03:57 -0500 |
commit | aad5a30bf25d8a3167afd685fc91c99f4f09cc57 (patch) | |
tree | f700750ee088e483537fa7ee992a109b834b1ddc /activerecord/test/cases/state_machine_test.rb | |
parent | 55d1d12c32a1b99f3f07d2346b49a63650ba2e9d (diff) | |
download | rails-aad5a30bf25d8a3167afd685fc91c99f4f09cc57.tar.gz rails-aad5a30bf25d8a3167afd685fc91c99f4f09cc57.tar.bz2 rails-aad5a30bf25d8a3167afd685fc91c99f4f09cc57.zip |
Add simple support for ActiveModel's StateMachine for ActiveRecord
Diffstat (limited to 'activerecord/test/cases/state_machine_test.rb')
-rw-r--r-- | activerecord/test/cases/state_machine_test.rb | 42 |
1 files changed, 42 insertions, 0 deletions
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 |