/
workerfarm.js
178 lines (146 loc) Β· 4.34 KB
/
workerfarm.js
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const assert = require('assert');
const WorkerFarm = require('../index');
describe('WorkerFarm', function() {
it('Should start up workers', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/ping.js')
}
);
assert.equal(await workerfarm.run(), 'pong');
await workerfarm.end();
});
it('Should handle 1000 requests without any issue', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/echo.js')
}
);
let promises = [];
for (let i = 0; i < 1000; i++) {
promises.push(workerfarm.run(i));
}
await Promise.all(promises);
await workerfarm.end();
});
it('Should consistently initialise workers, even after 100 re-inits', async () => {
let options = {
key: 0
};
let workerfarm = new WorkerFarm(options, {
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/init.js')
});
for (let i = 0; i < 100; i++) {
options.key = i;
workerfarm.init(options);
for (let i = 0; i < workerfarm.workers.size; i++) {
assert.equal((await workerfarm.run()).key, options.key);
}
assert.equal(workerfarm.shouldUseRemoteWorkers(), true);
}
await workerfarm.end();
});
it('Should warm up workers', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: true,
useLocalWorker: true,
workerPath: require.resolve('./integration/workerfarm/echo.js')
}
);
for (let i = 0; i < 100; i++) {
assert.equal(await workerfarm.run(i), i);
}
await new Promise(resolve => workerfarm.once('warmedup', resolve));
assert(workerfarm.workers.size > 0, 'Should have spawned workers.');
assert(
workerfarm.warmWorkers >= workerfarm.workers.size,
'Should have warmed up workers.'
);
await workerfarm.end();
});
it('Should use the local worker', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: true,
useLocalWorker: true,
workerPath: require.resolve('./integration/workerfarm/echo.js')
}
);
assert.equal(await workerfarm.run('hello world'), 'hello world');
assert.equal(workerfarm.shouldUseRemoteWorkers(), false);
await workerfarm.end();
});
it('Should be able to use bi-directional communication', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/ipc.js')
}
);
assert.equal(await workerfarm.run(1, 2), 3);
await workerfarm.end();
});
it('Should be able to handle 1000 bi-directional calls', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/ipc.js')
}
);
for (let i = 0; i < 1000; i++) {
assert.equal(await workerfarm.run(1 + i, 2), 3 + i);
}
await workerfarm.end();
});
it('Bi-directional call should return masters pid', async () => {
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/ipc-pid.js')
}
);
let result = await workerfarm.run();
assert.equal(result.length, 2);
assert.equal(result[1], process.pid);
assert.notEqual(result[0], process.pid);
await workerfarm.end();
});
it('Should handle 10 big concurrent requests without any issue', async () => {
// This emulates the node.js ipc bug for win32
let workerfarm = new WorkerFarm(
{},
{
warmWorkers: false,
useLocalWorker: false,
workerPath: require.resolve('./integration/workerfarm/echo.js')
}
);
let bigData = [];
for (let i = 0; i < 10000; i++) {
bigData.push('This is some big data');
}
let promises = [];
for (let i = 0; i < 10; i++) {
promises.push(workerfarm.run(bigData));
}
await Promise.all(promises);
await workerfarm.end();
});
});