This is the template project that's checked out and configured when you run the bando-up command from ljsthw-bandolier. This is where the code really lives.
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bandolier-template/tests/client/fsm.js

60 lines
1.2 KiB

import test from "ava";
import FSM from "../../client/fsm.js";
const add_test = () => {
console.log("Additional function call on state transition passed.");
}
class TestMachine {
constructor(data) {
console.log("DATA IS", data);
this.data = data;
}
async open(state, inc) {
switch(state) {
case "START":
console.log("THIS", this);
this.data.count = this.data.count + inc;
return "OPEN";
default:
return "ERROR";
}
}
close(state, inc) {
switch(state) {
case "OPEN":
this.data.count = this.data.count + inc;
return ["CLOSED", add_test];
default:
return "ERROR";
}
}
}
test("Basic FSM operations", async (t) => {
let data = {count: 0};
let events = new TestMachine(data);
let fsm1 = new FSM(data, events);
fsm1.onTransition((fsm) => {
console.log("On transition: ", fsm.state);
});
await fsm1.do('open', 3);
t.is(fsm1.state, "OPEN");
t.is(data.count, 3);
await fsm1.do('close', 4);
t.is(fsm1.state, "CLOSED");
t.is(data.count, 7);
// test the errors
await fsm1.do('open');
t.is(fsm1.state, "ERROR");
t.is(data.count, 7); // still 2 after error
t.pass();
});