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samek.js
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samek.js
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try {
_ = require('underscore');
Statechart = require('../lib/statechart');
expect = require('expect.js');
} catch (e) {}
var machine = _.extend({
// slots
myFoo: false,
// machine
initialState: "S0",
states: {
S0: {
init: "S1",
"E": { target: "S211" },
states: {
S1: {
init: "S11",
"A": { target: "S1" },
"B": { target: "S11" },
"C": { target: "S2" },
"D": { target: "S0" },
"F": { target: "S211" },
states: {
S11: {
"G": { target: "S211" },
"H": {
guard: function() { return this.myFoo; },
action: function() { this.myFoo = false; }
}
}
}
},
S2: {
init: "S21",
"C": { target: "S1" },
"F": { target: "S11" },
states: {
S21: {
init: "S211",
"B": { target: "S211" },
"H": {
guard: function() { return !this.myFoo; },
action: function() { this.myFoo = true; },
target: "S21"
},
states: {
S211: {
"D": { target: "S21" },
"G": { target: "S0" }
}
}
}
}
}
}
}
}
}, Statechart);
// Run the machine in debug mode and collect all messages describing state transitions.
var samekStatesOrder = [];
machine.run({ debug: function(msg) {
samekStatesOrder.push(msg);
} });
machine.dispatch("G");
machine.dispatch("G");
machine.dispatch("E");
machine.dispatch("G");
machine.dispatch("E");
machine.dispatch("G");
machine.dispatch("F");
machine.dispatch("D");
machine.dispatch("C");
describe('Samek test machine', function() {
it('should transit states in the defined order', function() {
expect(samekStatesOrder).to.eql([
'[S0] enter',
'[S0] init',
'[S1] enter',
'[S1] init',
'[S11] enter',
'[S11] init',
// G
'[S11] exit',
'[S1] exit',
'[S2] enter',
'[S21] enter',
'[S211] enter',
'[S211] init',
// G
'[S211] exit',
'[S21] exit',
'[S2] exit',
'[S0] init',
'[S1] enter',
'[S1] init',
'[S11] enter',
'[S11] init',
// E
'[S11] exit',
'[S1] exit',
'[S2] enter',
'[S21] enter',
'[S211] enter',
'[S211] init',
// G
'[S211] exit',
'[S21] exit',
'[S2] exit',
'[S0] init',
'[S1] enter',
'[S1] init',
'[S11] enter',
'[S11] init',
// E
'[S11] exit',
'[S1] exit',
'[S2] enter',
'[S21] enter',
'[S211] enter',
'[S211] init',
// G
'[S211] exit',
'[S21] exit',
'[S2] exit',
'[S0] init',
'[S1] enter',
'[S1] init',
'[S11] enter',
'[S11] init',
// F
'[S11] exit',
'[S1] exit',
'[S2] enter',
'[S21] enter',
'[S211] enter',
'[S211] init',
// D
'[S211] exit',
'[S21] init',
'[S211] enter',
'[S211] init',
// C
'[S211] exit',
'[S21] exit',
'[S2] exit',
'[S1] enter',
'[S1] init',
'[S11] enter',
'[S11] init'
]);
});
});