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'use strict';
// Flags: --expose-internals
// Tests that --pending-deprecation and NODE_PENDING_DEPRECATION both set the
// `require('internal/options').getOptionValue('--pending-deprecation')`
// flag that is used to determine if pending deprecation messages should be
// shown. The test is performed by launching two child processes that run
// this same test script with different arguments. If those exit with
// code 0, then the test passes. If they don't, it fails.
// TODO(joyeecheung): instead of testing internals, test the actual features
// pending deprecations.
const common = require('../common');
const assert = require('assert');
const fork = require('child_process').fork;
const { getOptionValue } = require('internal/options');
function message(name) {
return `${name} did not affect getOptionValue('--pending-deprecation')`;
}
switch (process.argv[2]) {
case 'env':
case 'switch':
assert.strictEqual(
getOptionValue('--pending-deprecation'),
true
);
break;
default: {
// Verify that the flag is off by default.
const envvar = process.env.NODE_PENDING_DEPRECATION;
assert.strictEqual(
getOptionValue('--pending-deprecation'),
!!(envvar && envvar[0] === '1')
);
// Test the --pending-deprecation command line switch.
fork(__filename, ['switch'], {
execArgv: ['--pending-deprecation', '--expose-internals'],
silent: true
}).on('exit', common.mustCall((code) => {
assert.strictEqual(code, 0, message('--pending-deprecation'));
}));
// Test the --pending_deprecation command line switch.
fork(__filename, ['switch'], {
execArgv: ['--pending_deprecation', '--expose-internals'],
silent: true
}).on('exit', common.mustCall((code) => {
assert.strictEqual(code, 0, message('--pending_deprecation'));
}));
// Test the NODE_PENDING_DEPRECATION environment var.
fork(__filename, ['env'], {
env: { ...process.env, NODE_PENDING_DEPRECATION: 1 },
execArgv: ['--expose-internals'],
silent: true
}).on('exit', common.mustCall((code) => {
assert.strictEqual(code, 0, message('NODE_PENDING_DEPRECATION'));
}));
}
}
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