mirror of
https://github.com/aasm/aasm
synced 2023-03-27 23:22:41 -04:00
282 lines
11 KiB
Ruby
282 lines
11 KiB
Ruby
require 'spec_helper'
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Dir[File.dirname(__FILE__) + "/../models/callbacks/*.rb"].sort.each { |f| require File.expand_path(f) }
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describe 'callbacks for the new DSL' do
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it "be called in order" do
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show_debug_log = false
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callback = Callbacks::Basic.new(:log => show_debug_log)
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callback.aasm.current_state
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unless show_debug_log
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expect(callback).to receive(:before_event).once.ordered
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expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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expect(callback).to receive(:transition_guard).once.ordered.and_return(true)
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expect(callback).to receive(:before_exit_open).once.ordered # these should be before the state changes
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expect(callback).to receive(:exit_open).once.ordered
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# expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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# expect(callback).to receive(:transition_guard).once.ordered.and_return(true)
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expect(callback).to receive(:after_transition).once.ordered
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expect(callback).to receive(:before_enter_closed).once.ordered
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expect(callback).to receive(:enter_closed).once.ordered
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expect(callback).to receive(:aasm_write_state).once.ordered.and_return(true) # this is when the state changes
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expect(callback).to receive(:after_exit_open).once.ordered # these should be after the state changes
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expect(callback).to receive(:after_enter_closed).once.ordered
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expect(callback).to receive(:after_event).once.ordered
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end
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# puts "------- close!"
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callback.close!
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end
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it "does not run any state callback if the event guard fails" do
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callback = Callbacks::Basic.new(:log => false)
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callback.aasm.current_state
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expect(callback).to receive(:before_event).once.ordered
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expect(callback).to receive(:event_guard).once.ordered.and_return(false)
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expect(callback).to_not receive(:transition_guard)
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expect(callback).to_not receive(:before_exit_open)
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expect(callback).to_not receive(:exit_open)
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expect(callback).to_not receive(:after_transition)
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expect(callback).to_not receive(:before_enter_closed)
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expect(callback).to_not receive(:enter_closed)
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expect(callback).to_not receive(:aasm_write_state)
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expect(callback).to_not receive(:after_exit_open)
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expect(callback).to_not receive(:after_enter_closed)
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expect(callback).to_not receive(:after_event)
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expect {
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callback.close!
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}.to raise_error(AASM::InvalidTransition)
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end
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context "if the transition guard fails" do
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it "does not run any state callback if guard is defined inline" do
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show_debug_log = false
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callback = Callbacks::Basic.new(:log => show_debug_log, :fail_transition_guard => true)
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callback.aasm.current_state
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unless show_debug_log
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expect(callback).to receive(:before_event).once.ordered
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expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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expect(callback).to receive(:transition_guard).once.ordered.and_return(false)
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expect(callback).to_not receive(:before_exit_open)
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expect(callback).to_not receive(:exit_open)
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expect(callback).to_not receive(:after_transition)
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expect(callback).to_not receive(:before_enter_closed)
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expect(callback).to_not receive(:enter_closed)
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expect(callback).to_not receive(:aasm_write_state)
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expect(callback).to_not receive(:after_exit_open)
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expect(callback).to_not receive(:after_enter_closed)
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expect(callback).to_not receive(:after_event)
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end
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expect {
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callback.close!
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}.to raise_error(AASM::InvalidTransition)
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end
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it "does not run transition_guard twice for multiple permitted transitions" do
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show_debug_log = false
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callback = Callbacks::MultipleTransitionsTransitionGuard.new(:log => show_debug_log, :fail_transition_guard => true)
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callback.aasm.current_state
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unless show_debug_log
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expect(callback).to receive(:before).once.ordered
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expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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expect(callback).to receive(:transition_guard).once.ordered.and_return(false)
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expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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expect(callback).to receive(:before_exit_open).once.ordered
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expect(callback).to receive(:exit_open).once.ordered
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expect(callback).to receive(:aasm_write_state).once.ordered.and_return(true) # this is when the state changes
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expect(callback).to receive(:after_exit_open).once.ordered
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expect(callback).to receive(:after).once.ordered
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expect(callback).to_not receive(:transitioning)
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expect(callback).to_not receive(:before_enter_closed)
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expect(callback).to_not receive(:enter_closed)
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expect(callback).to_not receive(:after_enter_closed)
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end
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callback.close!
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expect(callback.aasm.current_state).to eql :failed
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end
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it "does not run any state callback if guard is defined with block" do
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callback = Callbacks::GuardWithinBlock.new #(:log => true, :fail_transition_guard => true)
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callback.aasm.current_state
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expect(callback).to receive(:before).once.ordered
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expect(callback).to receive(:event_guard).once.ordered.and_return(true)
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expect(callback).to receive(:transition_guard).once.ordered.and_return(false)
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expect(callback).to_not receive(:before_exit_open)
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expect(callback).to_not receive(:exit_open)
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expect(callback).to_not receive(:transitioning)
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expect(callback).to_not receive(:before_enter_closed)
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expect(callback).to_not receive(:enter_closed)
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expect(callback).to_not receive(:aasm_write_state)
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expect(callback).to_not receive(:after_exit_open)
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expect(callback).to_not receive(:after_enter_closed)
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expect(callback).to_not receive(:after)
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expect {
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callback.close!
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}.to raise_error(AASM::InvalidTransition)
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end
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end
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it "should properly pass arguments" do
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cb = Callbacks::WithArgs.new(:log => false)
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cb.aasm.current_state
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cb.reset_data
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cb.close!(:arg1, :arg2)
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expect(cb.data).to eql 'before(:arg1,:arg2) before_exit_open transition_proc(:arg1,:arg2) before_enter_closed aasm_write_state after_exit_open after_enter_closed after(:arg1,:arg2)'
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end
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it "should call the callbacks given the to-state as argument" do
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cb = Callbacks::WithStateArg.new
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cb.should_receive(:before_method).with(:arg1).once.ordered
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cb.should_receive(:transition_method).never
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cb.should_receive(:transition_method2).with(:arg1).once.ordered
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cb.should_receive(:after_method).with(:arg1).once.ordered
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cb.close!(:out_to_lunch, :arg1)
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cb = Callbacks::WithStateArg.new
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some_object = double('some object')
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cb.should_receive(:before_method).with(some_object).once.ordered
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cb.should_receive(:transition_method2).with(some_object).once.ordered
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cb.should_receive(:after_method).with(some_object).once.ordered
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cb.close!(:out_to_lunch, some_object)
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end
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it "should call the proper methods just with arguments" do
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cb = Callbacks::WithStateArg.new
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cb.should_receive(:before_method).with(:arg1).once.ordered
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cb.should_receive(:transition_method).with(:arg1).once.ordered
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cb.should_receive(:transition_method).never
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cb.should_receive(:after_method).with(:arg1).once.ordered
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cb.close!(:arg1)
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cb = Callbacks::WithStateArg.new
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some_object = double('some object')
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cb.should_receive(:before_method).with(some_object).once.ordered
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cb.should_receive(:transition_method).with(some_object).once.ordered
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cb.should_receive(:transition_method).never
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cb.should_receive(:after_method).with(some_object).once.ordered
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cb.close!(some_object)
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end
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end
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describe 'event callbacks' do
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describe "with an error callback defined" do
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before do
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class Foo
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# this hack is needed to allow testing of parameters, since RSpec
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# destroys a method's arity when mocked
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attr_accessor :data
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aasm do
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event :safe_close, :success => :success_callback, :error => :error_callback do
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transitions :to => :closed, :from => [:open]
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end
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end
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end
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@foo = Foo.new
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end
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context "error_callback defined" do
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it "should run error_callback if an exception is raised" do
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def @foo.error_callback(e)
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@data = [e]
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end
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allow(@foo).to receive(:before_enter).and_raise(e = StandardError.new)
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@foo.safe_close!
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expect(@foo.data).to eql [e]
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end
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it "should run error_callback without parameters if callback does not support any" do
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def @foo.error_callback(e)
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@data = []
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end
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allow(@foo).to receive(:before_enter).and_raise(e = StandardError.new)
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@foo.safe_close!('arg1', 'arg2')
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expect(@foo.data).to eql []
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end
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it "should run error_callback with parameters if callback supports them" do
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def @foo.error_callback(e, arg1, arg2)
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@data = [arg1, arg2]
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end
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allow(@foo).to receive(:before_enter).and_raise(e = StandardError.new)
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@foo.safe_close!('arg1', 'arg2')
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expect(@foo.data).to eql ['arg1', 'arg2']
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end
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end
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it "should raise NoMethodError if exception is raised and error_callback is declared but not defined" do
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allow(@foo).to receive(:before_enter).and_raise(StandardError)
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expect{@foo.safe_close!}.to raise_error(NoMethodError)
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end
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it "should propagate an error if no error callback is declared" do
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allow(@foo).to receive(:before_enter).and_raise("Cannot enter safe")
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expect{@foo.close!}.to raise_error(StandardError, "Cannot enter safe")
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end
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end
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describe "with aasm_event_fired defined" do
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before do
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@foo = Foo.new
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def @foo.aasm_event_fired(event, from, to); end
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end
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it 'should call it for successful bang fire' do
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expect(@foo).to receive(:aasm_event_fired).with(:close, :open, :closed)
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@foo.close!
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end
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it 'should call it for successful non-bang fire' do
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expect(@foo).to receive(:aasm_event_fired)
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@foo.close
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end
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it 'should not call it for failing bang fire' do
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allow(@foo.aasm).to receive(:set_current_state_with_persistence).and_return(false)
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expect(@foo).not_to receive(:aasm_event_fired)
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@foo.close!
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end
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end
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describe "with aasm_event_failed defined" do
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before do
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@foo = Foo.new
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def @foo.aasm_event_failed(event, from); end
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end
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it 'should call it when transition failed for bang fire' do
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expect(@foo).to receive(:aasm_event_failed).with(:null, :open)
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expect {@foo.null!}.to raise_error(AASM::InvalidTransition)
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end
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it 'should call it when transition failed for non-bang fire' do
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expect(@foo).to receive(:aasm_event_failed).with(:null, :open)
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expect {@foo.null}.to raise_error(AASM::InvalidTransition)
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end
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it 'should not call it if persist fails for bang fire' do
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allow(@foo.aasm).to receive(:set_current_state_with_persistence).and_return(false)
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expect(@foo).to receive(:aasm_event_failed)
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@foo.close!
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end
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end
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end
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