Files
MultiRoombaRover/server/src/services/roverHelpService/hornNotifier.test.js
T

99 lines
3.2 KiB
JavaScript

// Rover Help Horn Notifier Tests
// Purpose: Verifies the exact chirp payload, cadence, duration, and cleanup without real timers.
const test = require('node:test');
const assert = require('node:assert/strict');
const {
HELP_HORN_DURATION_MS,
HELP_HORN_FREQUENCY_HZ,
HELP_HORN_INTERVAL_MS,
HELP_ROOMBA_NOTE,
HELP_ROOMBA_NOTE_DURATION,
HELP_ROOMBA_SONG_SLOT,
createHelpHornNotifier,
} = require('./hornNotifier');
function createHarness({ enabled = true } = {}) {
const commands = [];
const intervals = new Map();
const timeouts = new Map();
const clearedIntervals = [];
const clearedTimeouts = [];
let nextTimerId = 1;
const notifier = createHelpHornNotifier({
getRover: () => ({ ws: {}, meta: { horn: { enabled } } }),
issueCommand: (roverId, payload) => commands.push({ roverId, payload }),
setIntervalFn: (callback, ms) => {
const id = nextTimerId++;
intervals.set(id, { callback, ms });
return id;
},
clearIntervalFn: (id) => clearedIntervals.push(id),
setTimeoutFn: (callback, ms) => {
const id = nextTimerId++;
timeouts.set(id, { callback, ms });
return id;
},
clearTimeoutFn: (id) => clearedTimeouts.push(id),
});
return { clearedIntervals, clearedTimeouts, commands, intervals, notifier, timeouts };
}
test('starts matching external and Roomba chirps and schedules the agreed cadence', () => {
const harness = createHarness();
harness.notifier.start('red');
assert.deepEqual(harness.commands, [
{
roverId: 'red',
payload: {
type: 'horn',
horn: { action: 'start', waveform: 'saw', freqs: [HELP_HORN_FREQUENCY_HZ] },
},
},
{
roverId: 'red',
payload: {
type: 'song',
song: {
slot: HELP_ROOMBA_SONG_SLOT,
notes: [{ note: HELP_ROOMBA_NOTE, duration: HELP_ROOMBA_NOTE_DURATION }],
},
},
},
]);
assert.equal(Array.from(harness.intervals.values())[0].ms, HELP_HORN_INTERVAL_MS);
assert.equal(Array.from(harness.timeouts.values())[0].ms, HELP_HORN_DURATION_MS);
Array.from(harness.timeouts.values())[0].callback();
assert.equal(harness.commands.at(-1).payload.horn.action, 'stop');
});
test('stop cancels cadence and pending pulse before issuing a final horn stop', () => {
const harness = createHarness();
harness.notifier.start('blue');
const intervalId = Array.from(harness.intervals.keys())[0];
const timeoutId = Array.from(harness.timeouts.keys())[0];
harness.notifier.stop('blue');
assert.deepEqual(harness.clearedIntervals, [intervalId]);
assert.deepEqual(harness.clearedTimeouts, [timeoutId]);
assert.equal(harness.commands.at(-1).payload.horn.action, 'stop');
});
test('still schedules the Roomba song when the external horn is disabled', () => {
const harness = createHarness({ enabled: false });
harness.notifier.start('green');
assert.deepEqual(harness.commands, [{
roverId: 'green',
payload: {
type: 'song',
song: {
slot: HELP_ROOMBA_SONG_SLOT,
notes: [{ note: HELP_ROOMBA_NOTE, duration: HELP_ROOMBA_NOTE_DURATION }],
},
},
}]);
assert.equal(harness.intervals.size, 1);
assert.equal(harness.timeouts.size, 0);
});