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test: use spawn and spawnPromisified instead of exec
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PR-URL: nodejs#48991
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Debadree Chatterjee <[email protected]>
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@aduh95
aduh95 authored Aug 5, 2023
1 parent 556b1ca commit a973446
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Showing 7 changed files with 101 additions and 128 deletions.
158 changes: 66 additions & 92 deletions test/parallel/test-preload.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,12 +11,8 @@ const childProcess = require('child_process');

const nodeBinary = process.argv[0];

const preloadOption = (preloads) => {
let option = '';
preloads.forEach(function(preload, index) {
option += `-r "${preload}" `;
});
return option;
const preloadOption = (...preloads) => {
return preloads.flatMap((preload) => ['-r', preload]);
};

const fixtureA = fixtures.path('printA.js');
Expand All @@ -34,75 +30,52 @@ assert(!module.isPreloading);

// Test that module.isPreloading is set in preloaded module
// Test preloading a single module works
childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureIsPreloading])} "${fixtureB}"`,
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'B\n');
});
common.spawnPromisified(nodeBinary, [...preloadOption(fixtureIsPreloading), fixtureB]).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout.trim(), 'B');
}
));

// Test preloading a single module works
childProcess.exec(`"${nodeBinary}" ${preloadOption([fixtureA])} "${fixtureB}"`,
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, 'A\nB\n');
});
common.spawnPromisified(nodeBinary, [...preloadOption(fixtureA), fixtureB]).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nB\n');
}));

// Test preloading multiple modules works
childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureA, fixtureB])} "${fixtureC}"`,
function(err, stdout, stderr) {
assert.ifError(err);
common.spawnPromisified(nodeBinary, [...preloadOption(fixtureA, fixtureB), fixtureC]).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nB\nC\n');
}
);
));

// Test that preloading a throwing module aborts
childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureA, fixtureThrows])} "${fixtureB}"`,
function(err, stdout, stderr) {
if (err) {
assert.strictEqual(stdout, 'A\n');
} else {
throw new Error('Preload should have failed');
}
common.spawnPromisified(nodeBinary, [...preloadOption(fixtureA, fixtureThrows), fixtureB]).then(common.mustCall(
({ code, stdout }) => {
assert.strictEqual(stdout, 'A\n');
assert.strictEqual(code, 1);
}
);
));

// Test that preload can be used with --eval
childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureA])}-e "console.log('hello');"`,
function(err, stdout, stderr) {
assert.ifError(err);
common.spawnPromisified(nodeBinary, [...preloadOption(fixtureA), '-e', 'console.log("hello");']).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nhello\n');
}
);
));

// Test that preload can be used with --frozen-intrinsics
childProcess.exec(
`"${nodeBinary}" --frozen-intrinsics ${
preloadOption([fixtureE])
} ${
fixtureF
}`,
function(err, stdout) {
assert.ifError(err);
assert.strictEqual(stdout, 'smoosh\n');
}
);
childProcess.exec(
`"${
nodeBinary
}" --frozen-intrinsics ${
preloadOption([fixtureE])
} ${
fixtureG
} ${fixtureF}`,
function(err, stdout) {
assert.ifError(err);
common.spawnPromisified(nodeBinary, ['--frozen-intrinsics', ...preloadOption(fixtureE), fixtureF]).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'smoosh\n');
}
);
));
common.spawnPromisified(nodeBinary, ['--frozen-intrinsics', ...preloadOption(fixtureE), fixtureG, fixtureF])
.then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'smoosh\n');
}
));

// Test that preload can be used with stdin
const stdinProc = childProcess.spawn(
Expand Down Expand Up @@ -143,61 +116,62 @@ replProc.on('close', function(code) {

// Test that preload placement at other points in the cmdline
// also test that duplicated preload only gets loaded once
childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureA])}-e "console.log('hello');" ${
preloadOption([fixtureA, fixtureB])}`,
function(err, stdout, stderr) {
assert.ifError(err);
common.spawnPromisified(nodeBinary, [
...preloadOption(fixtureA),
'-e', 'console.log("hello");',
...preloadOption(fixtureA, fixtureB),
]).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nB\nhello\n');
}
);
));

// Test that preload works with -i
const interactive = childProcess.exec(
`"${nodeBinary}" ${preloadOption([fixtureD])}-i`,
common.mustSucceed((stdout, stderr) => {
assert.ok(stdout.endsWith("> 'test'\n> "));
})
);
const interactive = childProcess.spawn(nodeBinary, [...preloadOption(fixtureD), '-i']);

{
const stdout = [];
interactive.stdout.on('data', (chunk) => {
stdout.push(chunk);
});
interactive.on('close', common.mustCall(() => {
assert.match(Buffer.concat(stdout).toString('utf8'), /> 'test'\r?\n> $/);
}));
}

interactive.stdin.write('a\n');
interactive.stdin.write('process.exit()\n');

childProcess.exec(
`"${nodeBinary}" --require "${fixtures.path('cluster-preload.js')}" "${
fixtures.path('cluster-preload-test.js')}"`,
function(err, stdout, stderr) {
assert.ifError(err);
common.spawnPromisified(nodeBinary,
['--require', fixtures.path('cluster-preload.js'), fixtures.path('cluster-preload-test.js')])
.then(common.mustCall(({ stdout }) => {
assert.match(stdout, /worker terminated with code 43/);
}
);
}));

// Test that preloading with a relative path works
childProcess.exec(
`"${nodeBinary}" ${preloadOption(['./printA.js'])} "${fixtureB}"`,
{ cwd: fixtures.fixturesDir },
common.mustSucceed((stdout, stderr) => {
common.spawnPromisified(nodeBinary,
[...preloadOption('./printA.js'), fixtureB],
{ cwd: fixtures.fixturesDir }).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nB\n');
})
);
if (common.isWindows) {
// https://github.com/nodejs/node/issues/21918
childProcess.exec(
`"${nodeBinary}" ${preloadOption(['.\\printA.js'])} "${fixtureB}"`,
{ cwd: fixtures.fixturesDir },
common.mustSucceed((stdout, stderr) => {
common.spawnPromisified(nodeBinary,
[...preloadOption('.\\printA.js'), fixtureB],
{ cwd: fixtures.fixturesDir }).then(common.mustCall(
({ stdout }) => {
assert.strictEqual(stdout, 'A\nB\n');
})
);
}

// https://github.com/nodejs/node/issues/1691
childProcess.exec(
`"${nodeBinary}" --require ` +
`"${fixtures.path('cluster-preload.js')}" cluster-preload-test.js`,
{ cwd: fixtures.fixturesDir },
function(err, stdout, stderr) {
assert.ifError(err);
common.spawnPromisified(nodeBinary,
['--require', fixtures.path('cluster-preload.js'), 'cluster-preload-test.js'],
{ cwd: fixtures.fixturesDir }).then(common.mustCall(
({ stdout }) => {
assert.match(stdout, /worker terminated with code 43/);
}
);
));
6 changes: 2 additions & 4 deletions test/parallel/test-timers-immediate-promisified.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,13 @@ const common = require('../common');
const assert = require('assert');
const timers = require('timers');
const { promisify } = require('util');
const child_process = require('child_process');

const { getEventListeners } = require('events');
const { NodeEventTarget } = require('internal/event_target');

const timerPromises = require('timers/promises');

const setPromiseImmediate = promisify(timers.setImmediate);
const exec = promisify(child_process.exec);

assert.strictEqual(setPromiseImmediate, timerPromises.setImmediate);

Expand Down Expand Up @@ -91,9 +89,9 @@ process.on('multipleResolves', common.mustNotCall());
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
common.spawnPromisified(process.execPath, ['-pe', "const assert = require('assert');" +
'require(\'timers/promises\').setImmediate(null, { ref: false }).' +
'then(assert.fail)"').then(common.mustCall(({ stderr }) => {
'then(assert.fail)']).then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}
Expand Down
6 changes: 2 additions & 4 deletions test/parallel/test-timers-interval-promisified.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,13 @@ const common = require('../common');
const assert = require('assert');
const timers = require('timers');
const { promisify } = require('util');
const child_process = require('child_process');

const { getEventListeners } = require('events');
const { NodeEventTarget } = require('internal/event_target');

const timerPromises = require('timers/promises');

const setPromiseTimeout = promisify(timers.setTimeout);
const exec = promisify(child_process.exec);

const { setInterval } = timerPromises;

Expand Down Expand Up @@ -154,11 +152,11 @@ process.on('multipleResolves', common.mustNotCall());
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
common.spawnPromisified(process.execPath, ['-pe', "const assert = require('assert');" +
'const interval = require(\'timers/promises\')' +
'.setInterval(1000, null, { ref: false });' +
'interval[Symbol.asyncIterator]().next()' +
'.then(assert.fail)"').then(common.mustCall(({ stderr }) => {
'.then(assert.fail)']).then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}
Expand Down
6 changes: 2 additions & 4 deletions test/parallel/test-timers-timeout-promisified.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,13 @@ const common = require('../common');
const assert = require('assert');
const timers = require('timers');
const { promisify } = require('util');
const child_process = require('child_process');

const { getEventListeners } = require('events');
const { NodeEventTarget } = require('internal/event_target');

const timerPromises = require('timers/promises');

const setPromiseTimeout = promisify(timers.setTimeout);
const exec = promisify(child_process.exec);

assert.strictEqual(setPromiseTimeout, timerPromises.setTimeout);

Expand Down Expand Up @@ -91,9 +89,9 @@ process.on('multipleResolves', common.mustNotCall());
}

{
exec(`${process.execPath} -pe "const assert = require('assert');` +
common.spawnPromisified(process.execPath, ['-pe', 'const assert = require(\'assert\');' +
'require(\'timers/promises\').setTimeout(1000, null, { ref: false }).' +
'then(assert.fail)"').then(common.mustCall(({ stderr }) => {
'then(assert.fail)']).then(common.mustCall(({ stderr }) => {
assert.strictEqual(stderr, '');
}));
}
Expand Down
14 changes: 6 additions & 8 deletions test/parallel/test-url-parse-invalid-input.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
'use strict';
const common = require('../common');
const assert = require('assert');
const childProcess = require('child_process');
const url = require('url');

// https://github.com/joyent/node/issues/568
Expand Down Expand Up @@ -82,13 +81,12 @@ if (common.hasIntl) {
'git+ssh://[email protected]:npm/npm',
];
badURLs.forEach((badURL) => {
childProcess.exec(`${process.execPath} -e "url.parse('${badURL}')"`,
common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err, null);
assert.strictEqual(stdout, '');
assert.match(stderr, /\[DEP0170\] DeprecationWarning:/);
})
);
common.spawnPromisified(process.execPath, ['-e', `url.parse(${JSON.stringify(badURL)})`])
.then(common.mustCall(({ code, stdout, stderr }) => {
assert.strictEqual(code, 0);
assert.strictEqual(stdout, '');
assert.match(stderr, /\[DEP0170\] DeprecationWarning:/);
}));
});

// Warning should only happen once per process.
Expand Down
21 changes: 13 additions & 8 deletions test/sequential/test-cli-syntax-require.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@

const common = require('../common');
const assert = require('assert');
const { exec } = require('child_process');
const { spawn } = require('child_process');
const fixtures = require('../common/fixtures');

const node = process.execPath;
Expand All @@ -17,20 +17,25 @@ const syntaxErrorRE = /^SyntaxError: \b/m;
const preloadFile = fixtures.path('no-wrapper.js');
const file = fixtures.path('syntax', 'illegal_if_not_wrapped.js');
const args = [requireFlag, preloadFile, checkFlag, file];
const cmd = [node, ...args].join(' ');
exec(cmd, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err instanceof Error, true);
assert.strictEqual(err.code, 1,
`code ${err.code} !== 1 for error:\n\n${err}`);
const cp = spawn(node, args);

// No stdout should be produced
assert.strictEqual(stdout, '');
// No stdout should be produced
cp.stdout.on('data', common.mustNotCall('stdout data event'));

const stderrBuffer = [];
cp.stderr.on('data', (chunk) => stderrBuffer.push(chunk));

cp.on('exit', common.mustCall((code, signal) => {
assert.strictEqual(code, 1);
assert.strictEqual(signal, null);

const stderr = Buffer.concat(stderrBuffer).toString('utf-8');
// stderr should have a syntax error message
assert.match(stderr, syntaxErrorRE);

// stderr should include the filename
assert(stderr.startsWith(file), `${stderr} starts with ${file}`);
}));

});
});
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