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test: move common.fires() to inspector-helper #17401

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test: move common.fires() to inspector-helper #17401

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9 changes: 0 additions & 9 deletions test/common/README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -118,15 +118,6 @@ Tests whether `name` and `expected` are part of a raised warning.

Checks if `pathname` exists

### fires(promise, [error], [timeoutMs])
* promise [<Promise]
* error [<String] default = 'timeout'
* timeoutMs [<Number] default = 100

Returns a new promise that will propagate `promise` resolution or rejection if
that happens within the `timeoutMs` timespan, or rejects with `error` as
a reason otherwise.

### getArrayBufferViews(buf)
* `buf` [<Buffer>]
* return [<ArrayBufferView[]>]
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42 changes: 0 additions & 42 deletions test/common/index.js
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Expand Up @@ -836,32 +836,6 @@ function restoreWritable(name) {
delete process[name].writeTimes;
}

function onResolvedOrRejected(promise, callback) {
return promise.then((result) => {
callback();
return result;
}, (error) => {
callback();
throw error;
});
}

function timeoutPromise(error, timeoutMs) {
let clearCallback = null;
let done = false;
const promise = onResolvedOrRejected(new Promise((resolve, reject) => {
const timeout = setTimeout(() => reject(error), timeoutMs);
clearCallback = () => {
if (done)
return;
clearTimeout(timeout);
resolve();
};
}), () => done = true);
promise.clear = clearCallback;
return promise;
}

exports.hijackStdout = hijackStdWritable.bind(null, 'stdout');
exports.hijackStderr = hijackStdWritable.bind(null, 'stderr');
exports.restoreStdout = restoreWritable.bind(null, 'stdout');
Expand All @@ -875,19 +849,3 @@ exports.firstInvalidFD = function firstInvalidFD() {
} catch (e) {}
return fd;
};

exports.fires = function fires(promise, error, timeoutMs) {
if (!timeoutMs && util.isNumber(error)) {
timeoutMs = error;
error = null;
}
if (!error)
error = 'timeout';
if (!timeoutMs)
timeoutMs = 100;
const timeout = timeoutPromise(error, timeoutMs);
return Promise.race([
onResolvedOrRejected(promise, () => timeout.clear()),
timeout
]);
};
41 changes: 39 additions & 2 deletions test/common/inspector-helper.js
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Original file line number Diff line number Diff line change
Expand Up @@ -216,7 +216,7 @@ class InspectorSession {
waitForNotification(methodOrPredicate, description) {
const desc = description || methodOrPredicate;
const message = `Timed out waiting for matching notification (${desc}))`;
return common.fires(
return fires(
this._asyncWaitForNotification(methodOrPredicate), message, TIMEOUT);
}

Expand Down Expand Up @@ -323,7 +323,7 @@ class NodeInstance {
const instance = new NodeInstance(
[], `${scriptContents}\nprocess._rawDebug('started');`, undefined);
const msg = 'Timed out waiting for process to start';
while (await common.fires(instance.nextStderrString(), msg, TIMEOUT) !==
while (await fires(instance.nextStderrString(), msg, TIMEOUT) !==
'started') {}
process._debugProcess(instance._process.pid);
return instance;
Expand Down Expand Up @@ -412,6 +412,43 @@ function readMainScriptSource() {
return fs.readFileSync(_MAINSCRIPT, 'utf8');
}

function onResolvedOrRejected(promise, callback) {
return promise.then((result) => {
callback();
return result;
}, (error) => {
callback();
throw error;
});
}

function timeoutPromise(error, timeoutMs) {
let clearCallback = null;
let done = false;
const promise = onResolvedOrRejected(new Promise((resolve, reject) => {
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Actually, this code for timeoutPromise is a little convoluted IMO - any reason we can't do.

const promisify = require('util').promisify;
const delay = promisify(setTimeout);
const timeoutPromise = async (error, timeoutMs, cancelToken) => {
  await delay(ms);
  if(cancelToken.cancelled) { 
    return;
  }
  throw error;
};

Turns fires to:

function fires(promise, error, timeoutMs) {
  var token = {};
  return Promise.race([
     onResolvedOrRejected(promise, () => token.cancelled = true),
     timeoutPromise(error, timeoutMs, token)
   ]);
 }

If we want to preserve the onResolvedOnRejected behavior (which I'm not sure I understand) we can just use Promise.prototype.finally which is in V8 6.3

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No issues with further refactoring, but I'd prefer to do that in a separate PR.

const timeout = setTimeout(() => reject(error), timeoutMs);
clearCallback = () => {
if (done)
return;
clearTimeout(timeout);
resolve();
};
}), () => done = true);
promise.clear = clearCallback;
return promise;
}

// Returns a new promise that will propagate `promise` resolution or rejection
// if that happens within the `timeoutMs` timespan, or rejects with `error` as
// a reason otherwise.
function fires(promise, error, timeoutMs) {
const timeout = timeoutPromise(error, timeoutMs);
return Promise.race([
onResolvedOrRejected(promise, () => timeout.clear()),
timeout
]);
}

module.exports = {
mainScriptPath: _MAINSCRIPT,
readMainScriptSource,
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4 changes: 2 additions & 2 deletions test/parallel/test-repl-top-level-await.js
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Expand Up @@ -36,7 +36,7 @@ class REPLStream extends common.ArrayStream {
throw new Error('Currently waiting for response to another command');
}
this.lines = [''];
return common.fires(new Promise((resolve, reject) => {
return new Promise((resolve, reject) => {
const onError = (err) => {
this.removeListener('line', onLine);
reject(err);
Expand All @@ -50,7 +50,7 @@ class REPLStream extends common.ArrayStream {
};
this.once('error', onError);
this.on('line', onLine);
}), new Error(), 1000);
});
}
}

Expand Down