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test: refactor test-cluster-disconnect #11981

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test: refactor test-cluster-disconnect #11981

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35 changes: 8 additions & 27 deletions test/parallel/test-cluster-disconnect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ if (cluster.isWorker) {
const socket = net.connect(port, '127.0.0.1', () => {
// buffer result
let result = '';
socket.on('data', common.mustCall((chunk) => { result += chunk; }));
socket.on('data', (chunk) => { result += chunk; });

// check result
socket.on('end', common.mustCall(() => {
Expand All @@ -55,7 +55,7 @@ if (cluster.isWorker) {
const testCluster = function(cb) {
let done = 0;

for (let i = 0, l = servers; i < l; i++) {
for (let i = 0; i < servers; i++) {
testConnection(common.PORT + i, (success) => {
assert.ok(success);
done += 1;
Expand All @@ -81,40 +81,21 @@ if (cluster.isWorker) {
}
};


const results = {
start: 0,
test: 0,
disconnect: 0
};

const test = function(again) {
//1. start cluster
startCluster(() => {
results.start += 1;

startCluster(common.mustCall(() => {
//2. test cluster
testCluster(() => {
results.test += 1;

testCluster(common.mustCall(() => {
//3. disconnect cluster
cluster.disconnect(() => {
results.disconnect += 1;

cluster.disconnect(common.mustCall(() => {
// run test again to confirm cleanup
if (again) {
test();
}
});
});
});
}));
}));
}));
};

test(true);

process.once('exit', () => {
assert.strictEqual(results.start, 2);
assert.strictEqual(results.test, 2);
assert.strictEqual(results.disconnect, 2);
});
}