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import test from 'ava'
import StateMachine from '../src/app'
import LifecycleLogger from './helpers/lifecycle_logger'
//-------------------------------------------------------------------------------------------------
function goto(state) {
return state
}
//-------------------------------------------------------------------------------------------------
test('goto transition', t => {
var logger = new LifecycleLogger(),
fsm = new StateMachine({
init: 'A',
transitions: [
{ name: 'step', from: 'A', to: 'B' },
{ name: 'step', from: 'B', to: 'C' },
{ name: 'step', from: 'C', to: 'D' },
{ name: 'goto', from: '*', to: goto }
],
methods: {
onBeforeTransition: logger,
onBeforeInit: logger,
onBeforeStep: logger,
onBeforeGoto: logger,
onLeaveState: logger,
onLeaveNone: logger,
onLeaveA: logger,
onLeaveB: logger,
onLeaveC: logger,
onLeaveD: logger,
onTransition: logger,
onEnterState: logger,
onEnterNone: logger,
onEnterA: logger,
onEnterB: logger,
onEnterC: logger,
onEnterD: logger,
onAfterTransition: logger,
onAfterInit: logger,
onAfterStep: logger,
onAfterGoto: logger
}
});
t.is(fsm.state, 'A')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D' ])
t.deepEqual(fsm.allTransitions(), [ 'init', 'step', 'goto' ])
logger.clear()
fsm.goto('C')
t.is(fsm.state, 'C')
t.deepEqual(logger.log, [
{ event: 'onBeforeTransition', transition: 'goto', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onBeforeGoto', transition: 'goto', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onLeaveState', transition: 'goto', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onLeaveA', transition: 'goto', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onTransition', transition: 'goto', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onEnterState', transition: 'goto', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onEnterC', transition: 'goto', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onAfterTransition', transition: 'goto', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onAfterGoto', transition: 'goto', from: 'A', to: 'C', current: 'C', args: [ 'C' ] }
])
})
//-------------------------------------------------------------------------------------------------
test('goto can have additional arguments', t => {
var logger = new LifecycleLogger(),
fsm = new StateMachine({
init: 'A',
transitions: [
{ name: 'step', from: 'A', to: 'B' },
{ name: 'step', from: 'B', to: 'C' },
{ name: 'step', from: 'C', to: 'D' },
{ name: 'goto', from: '*', to: goto }
],
methods: {
onStep: logger,
onGoto: logger
}
});
t.is(fsm.state, 'A')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D' ])
t.deepEqual(fsm.allTransitions(), [ 'init', 'step', 'goto' ])
logger.clear()
fsm.goto('C', 'with', 4, 'additional', 'arguments')
t.is(fsm.state, 'C')
t.deepEqual(logger.log, [
{ event: 'onGoto', transition: 'goto', from: 'A', to: 'C', current: 'C', args: [ 'C', 'with', 4, 'additional', 'arguments' ] }
])
})
//-------------------------------------------------------------------------------------------------
test('goto can go to an unknown state', t => {
var fsm = new StateMachine({
init: 'A',
transitions: [
{ name: 'step', from: 'A', to: 'B' },
{ name: 'step', from: 'B', to: 'C' },
{ name: 'step', from: 'C', to: 'D' },
{ name: 'goto', from: '*', to: goto }
]
})
t.is(fsm.state, 'A')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D' ]);
fsm.goto('B')
t.is(fsm.state, 'B')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D' ]);
fsm.goto('X')
t.is(fsm.state, 'X')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D', 'X' ]);
})
//-------------------------------------------------------------------------------------------------
test('goto can be configured with a custom name', t => {
var logger = new LifecycleLogger(),
fsm = new StateMachine({
init: 'A',
transitions: [
{ name: 'step', from: 'A', to: 'B' },
{ name: 'step', from: 'B', to: 'C' },
{ name: 'step', from: 'C', to: 'D' },
{ name: 'jump', from: '*', to: goto }
],
methods: {
onBeforeTransition: logger,
onBeforeInit: logger,
onBeforeStep: logger,
onBeforeJump: logger,
onLeaveState: logger,
onLeaveNone: logger,
onLeaveA: logger,
onLeaveB: logger,
onLeaveC: logger,
onLeaveD: logger,
onTransition: logger,
onEnterState: logger,
onEnterNone: logger,
onEnterA: logger,
onEnterB: logger,
onEnterC: logger,
onEnterD: logger,
onAfterTransition: logger,
onAfterInit: logger,
onAfterStep: logger,
onAfterJump: logger
}
});
t.is(fsm.state, 'A')
t.deepEqual(fsm.allStates(), [ 'none', 'A', 'B', 'C', 'D' ])
t.deepEqual(fsm.allTransitions(), [ 'init', 'step', 'jump' ])
t.is(fsm.goto, undefined)
logger.clear()
fsm.jump('C')
t.is(fsm.state, 'C')
t.deepEqual(logger.log, [
{ event: 'onBeforeTransition', transition: 'jump', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onBeforeJump', transition: 'jump', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onLeaveState', transition: 'jump', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onLeaveA', transition: 'jump', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onTransition', transition: 'jump', from: 'A', to: 'C', current: 'A', args: [ 'C' ] },
{ event: 'onEnterState', transition: 'jump', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onEnterC', transition: 'jump', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onAfterTransition', transition: 'jump', from: 'A', to: 'C', current: 'C', args: [ 'C' ] },
{ event: 'onAfterJump', transition: 'jump', from: 'A', to: 'C', current: 'C', args: [ 'C' ] }
])
})
//-------------------------------------------------------------------------------------------------