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|
'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const CODE = `
const { internalBinding } = require('internal/test/binding');
const { isTraceCategoryEnabled } = internalBinding('trace_events');
console.log(
isTraceCategoryEnabled("custom")
);
`;
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const procEnabled = cp.spawn(
process.execPath,
[ '--trace-event-categories', 'custom',
// Make test less noisy since internal/test/binding
// emits a warning.
'--no-warnings',
'--expose-internals',
'-e', CODE ],
{ cwd: tmpdir.path }
);
let procEnabledOutput = '';
procEnabled.stdout.on('data', (data) => procEnabledOutput += data);
procEnabled.stderr.pipe(process.stderr);
procEnabled.once('close', common.mustCall(() => {
assert.strictEqual(procEnabledOutput, 'true\n');
}));
const procDisabled = cp.spawn(
process.execPath,
[ '--trace-event-categories', 'other',
// Make test less noisy since internal/test/binding
// emits a warning.
'--no-warnings',
'--expose-internals',
'-e', CODE ],
{ cwd: tmpdir.path }
);
let procDisabledOutput = '';
procDisabled.stdout.on('data', (data) => procDisabledOutput += data);
procDisabled.stderr.pipe(process.stderr);
procDisabled.once('close', common.mustCall(() => {
assert.strictEqual(procDisabledOutput, 'false\n');
}));
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