Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/test-common.js
// Copyright Joyent, Inc. and other Node contributors.
//
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// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
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// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const hijackstdio = require('../common/hijackstdio');
const fixtures = require('../common/fixtures');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const { execFile } = require('child_process');
const { writeFileSync, existsSync } = require('fs');
// Test for leaked global detection
{
const p = fixtures.path('leakedGlobal.js');
execFile(process.execPath, [p], common.mustCall((err, stdout, stderr) => {
assert.notStrictEqual(err.code, 0);
assert.match(stderr, /\bAssertionError\b.*\bUnexpected global\b.*\bgc\b/);
}));
}
// Test for disabling leaked global detection
{
const p = fixtures.path('leakedGlobal.js');
execFile(process.execPath, [p], {
env: { ...process.env, NODE_TEST_KNOWN_GLOBALS: 0 }
}, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err, null);
assert.strictEqual(stderr.trim(), '');
}));
}
// common.mustCall() tests
assert.throws(function() {
// eslint-disable-next-line no-restricted-syntax
common.mustCall(function() {}, 'foo');
}, /^TypeError: Invalid exact value: foo$/);
assert.throws(function() {
// eslint-disable-next-line no-restricted-syntax
common.mustCall(function() {}, /foo/);
}, /^TypeError: Invalid exact value: \/foo\/$/);
assert.throws(function() {
// eslint-disable-next-line no-restricted-syntax
common.mustCallAtLeast(function() {}, /foo/);
}, /^TypeError: Invalid minimum value: \/foo\/$/);
// assert.fail() tests
assert.throws(
() => { assert.fail('fhqwhgads'); },
{
code: 'ERR_ASSERTION',
message: /^fhqwhgads$/
});
const fnOnce = common.mustCall();
fnOnce();
const fnTwice = common.mustCall(2);
fnTwice();
fnTwice();
const fnAtLeast1Called1 = common.mustCallAtLeast(1);
fnAtLeast1Called1();
const fnAtLeast1Called2 = common.mustCallAtLeast(1);
fnAtLeast1Called2();
fnAtLeast1Called2();
const fnAtLeast2Called2 = common.mustCallAtLeast(2);
fnAtLeast2Called2();
fnAtLeast2Called2();
const fnAtLeast2Called3 = common.mustCallAtLeast(2);
fnAtLeast2Called3();
fnAtLeast2Called3();
fnAtLeast2Called3();
const failFixtures = [
[
fixtures.path('failmustcall1.js'),
'Mismatched <anonymous> function calls. Expected exactly 2, actual 1.',
], [
fixtures.path('failmustcall2.js'),
'Mismatched <anonymous> function calls. Expected at least 2, actual 1.',
],
];
for (const p of failFixtures) {
const [file, expected] = p;
execFile(process.execPath, [file], common.mustCall((err, stdout, stderr) => {
assert.ok(err);
assert.strictEqual(stderr, '');
const firstLine = stdout.split('\n').shift();
assert.strictEqual(firstLine, expected);
}));
}
// hijackStderr and hijackStdout
const HIJACK_TEST_ARRAY = [ 'foo\n', 'bar\n', 'baz\n' ];
[ 'err', 'out' ].forEach((txt) => {
const stream = process[`std${txt}`];
const originalWrite = stream.write;
hijackstdio[`hijackStd${txt}`](common.mustCall(function(data) {
assert.strictEqual(data, HIJACK_TEST_ARRAY[stream.writeTimes]);
}, HIJACK_TEST_ARRAY.length));
assert.notStrictEqual(originalWrite, stream.write);
HIJACK_TEST_ARRAY.forEach((val) => {
stream.write(val, common.mustCall());
});
assert.strictEqual(HIJACK_TEST_ARRAY.length, stream.writeTimes);
hijackstdio[`restoreStd${txt}`]();
assert.strictEqual(originalWrite, stream.write);
});
// Test `tmpdir`.
{
tmpdir.refresh();
assert.match(tmpdir.path, /\.tmp\.\d+/);
const sentinelPath = tmpdir.resolve('gaga');
writeFileSync(sentinelPath, 'googoo');
tmpdir.refresh();
assert.strictEqual(existsSync(tmpdir.path), true);
assert.strictEqual(existsSync(sentinelPath), false);
}
// hijackStderr and hijackStdout again for console
// Must be last, since it uses `process.on('uncaughtException')`
{
[['err', 'error'], ['out', 'log']].forEach(([type, method]) => {
hijackstdio[`hijackStd${type}`](common.mustCall(function(data) {
assert.strictEqual(data, 'test\n');
// throw an error
throw new Error(`console ${type} error`);
}));
console[method]('test');
hijackstdio[`restoreStd${type}`]();
});
let uncaughtTimes = 0;
process.on('uncaughtException', common.mustCallAtLeast(function(e) {
assert.strictEqual(uncaughtTimes < 2, true);
assert.strictEqual(e instanceof Error, true);
assert.strictEqual(
e.message,
`console ${(['err', 'out'])[uncaughtTimes++]} error`);
}, 2));
} // End of "Must be last".
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