Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/test/parallel/test-vm-context.js
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// 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,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// 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';
require('../common');
const assert = require('assert');
const vm = require('vm');
const Script = vm.Script;
let script = new Script('"passed";');
// Run in a new empty context
let context = vm.createContext();
let result = script.runInContext(context);
assert.strictEqual(result, 'passed');
// Create a new pre-populated context
context = vm.createContext({ 'foo': 'bar', 'thing': 'lala' });
assert.strictEqual(context.foo, 'bar');
assert.strictEqual(context.thing, 'lala');
// Test updating context
script = new Script('foo = 3;');
result = script.runInContext(context);
assert.strictEqual(context.foo, 3);
assert.strictEqual(context.thing, 'lala');
// Issue GH-227:
assert.throws(() => {
vm.runInNewContext('', null, 'some.js');
}, {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
});
// Issue GH-1140:
// Test runInContext signature
let gh1140Exception;
try {
vm.runInContext('throw new Error()', context, 'expected-filename.js');
} catch (e) {
gh1140Exception = e;
assert.match(e.stack, /expected-filename/);
}
// This is outside of catch block to confirm catch block ran.
assert.strictEqual(gh1140Exception.toString(), 'Error');
const nonContextualObjectError = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: /must be of type object/
};
const contextifiedObjectError = {
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError',
message: /The "contextifiedObject" argument must be an vm\.Context/
};
[
[undefined, nonContextualObjectError],
[null, nonContextualObjectError],
[0, nonContextualObjectError],
[0.0, nonContextualObjectError],
['', nonContextualObjectError],
[{}, contextifiedObjectError],
[[], contextifiedObjectError],
].forEach((e) => {
assert.throws(() => { script.runInContext(e[0]); }, e[1]);
assert.throws(() => { vm.runInContext('', e[0]); }, e[1]);
});
// Issue GH-693:
// Test RegExp as argument to assert.throws
script = vm.createScript('const assert = require(\'assert\'); assert.throws(' +
'function() { throw "hello world"; }, /hello/);',
'some.js');
script.runInNewContext({ require });
// Issue GH-7529
script = vm.createScript('delete b');
let ctx = {};
Object.defineProperty(ctx, 'b', { configurable: false });
ctx = vm.createContext(ctx);
assert.strictEqual(script.runInContext(ctx), false);
// Error on the first line of a module should have the correct line and column
// number.
{
let stack = null;
assert.throws(() => {
vm.runInContext(' throw new Error()', context, {
filename: 'expected-filename.js',
lineOffset: 32,
columnOffset: 123
});
}, (err) => {
stack = err.stack;
return /^ \^/m.test(stack) &&
/expected-filename\.js:33:131/.test(stack);
}, `stack not formatted as expected: ${stack}`);
}
// https://github.com/nodejs/node/issues/6158
ctx = new Proxy({}, {});
assert.strictEqual(typeof vm.runInNewContext('String', ctx), 'function');
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