Files
saphid--frame-control/app/test/obs-source.test.js
T

87 lines
3.6 KiB
JavaScript

const test = require('node:test');
const assert = require('node:assert/strict');
const { EventEmitter } = require('node:events');
const { createObsSource } = require('../obs-source');
function fixture(prepare) {
const states = [], children = [];
const source = createObsSource({
prepare: prepare || (async () => ({ executable: 'python', args: ['helper.py'], env: {} })),
spawn(executable, args, options) {
const child = new EventEmitter();
child.stderr = new EventEmitter(); child.stdin = new EventEmitter();
child.stdin.end = () => { child.stdin.writableEnded = true; };
children.push({ child, executable, args, options }); return child;
},
onState: s => states.push(s),
});
return { source, states, children };
}
test('Stop during Python discovery cancels the pending start', async () => {
let resolve;
const f = fixture(() => new Promise(r => { resolve = r; }));
const pending = f.source.start('frame', 15100);
assert.equal(f.source.status().state, 'starting');
f.source.stop();
resolve({ executable: 'python', args: ['helper.py'], env: {} });
await pending;
assert.equal(f.children.length, 0);
assert.equal(f.source.status().state, 'idle');
});
test('late stderr cannot undo Stop; closing allows a fresh start on another port', async () => {
const f = fixture(); await f.source.start('frame', 15100);
const { child, args } = f.children[0];
assert.deepEqual(args.slice(-5), ['--frame', 'frame', '--port', '15100', '--control-stdin']);
child.stderr.emit('data', Buffer.from('Frame Control OBS stream is '));
child.stderr.emit('data', Buffer.from('ready\n'));
assert.equal(f.source.status().state, 'running');
f.source.stop();
child.stderr.emit('data', Buffer.from('last ffmpeg warning\n'));
assert.equal(f.source.status().state, 'stopping');
child.emit('close', 0, null);
assert.equal(f.source.status().state, 'idle');
await f.source.start('other-frame', 15101);
assert.equal(f.source.status().port, 15101);
// An old child cannot overwrite the replacement's state.
child.emit('close', 255, null);
assert.equal(f.source.status().state, 'starting');
});
test('concurrent starts spawn once and preparation failures are retryable', async () => {
let attempts = 0;
const f = fixture(async () => {
if (++attempts === 1) throw new Error('Python missing');
return { executable: 'python', args: [], env: {} };
});
assert.equal((await f.source.start('frame')).state, 'failed');
assert.match(f.source.status().error, /Python missing/);
await Promise.all([f.source.start('frame'), f.source.start('frame')]);
assert.equal(f.children.length, 1);
});
test('invalid ports and aliases cannot spawn; errors and closed pipes remain visible', async () => {
const f = fixture();
for (const port of [0, 1023, 65536, 15099.5, '15100']) {
await assert.rejects(f.source.start('frame', port), /port/i);
}
await assert.rejects(f.source.start('-bad'), /headset/i);
assert.equal(f.children.length, 0);
await f.source.start('frame');
const { child } = f.children[0];
child.stdin.emit('error', Object.assign(new Error('closed pipe'), { code: 'EPIPE' }));
child.stderr.emit('data', Buffer.from('network lost\n'));
child.emit('close', 255, null);
assert.equal(f.source.status().state, 'failed');
assert.match(f.source.status().error, /network lost/);
});
test('an unverified host hides the controls and cannot spawn a relay', async () => {
let spawned = false;
const source = createObsSource({ supported: false, prepare: async () => ({}), spawn: () => { spawned = true; } });
assert.equal(source.status().supported, false);
await source.start('frame');
assert.equal(spawned, false);
});