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// 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';
const common = require('../common');
const assert = require('assert');
const vm = require('vm');
// vm.runInNewContext
{
const sandbox = {};
const result = vm.runInNewContext(
'foo = "bar"; this.typeofProcess = typeof process; typeof Object;',
sandbox
);
assert.deepStrictEqual(sandbox, {
foo: 'bar',
typeofProcess: 'undefined',
});
assert.strictEqual(result, 'function');
}
// vm.runInContext
{
const sandbox = { foo: 'bar' };
const context = vm.createContext(sandbox);
const result = vm.runInContext(
'baz = foo; this.typeofProcess = typeof process; typeof Object;',
context
);
assert.deepStrictEqual(sandbox, {
foo: 'bar',
baz: 'bar',
typeofProcess: 'undefined'
});
assert.strictEqual(result, 'function');
}
// vm.runInThisContext
{
const result = vm.runInThisContext(
'vmResult = "foo"; Object.prototype.toString.call(process);'
);
assert.strictEqual(global.vmResult, 'foo');
assert.strictEqual(result, '[object process]');
delete global.vmResult;
}
// vm.runInNewContext
{
const result = vm.runInNewContext(
'vmResult = "foo"; typeof process;'
);
assert.strictEqual(global.vmResult, undefined);
assert.strictEqual(result, 'undefined');
}
// vm.createContext
{
const sandbox = {};
const context = vm.createContext(sandbox);
assert.strictEqual(sandbox, context);
}
// Run script with filename
{
const script = 'throw new Error("boom")';
const filename = 'test-boom-error';
const context = vm.createContext();
function checkErr(err) {
return err.stack.startsWith('test-boom-error:1');
}
assert.throws(() => vm.runInContext(script, context, filename), checkErr);
assert.throws(() => vm.runInNewContext(script, context, filename), checkErr);
assert.throws(() => vm.runInThisContext(script, filename), checkErr);
}
// Invalid arguments
[null, 'string'].forEach((input) => {
common.expectsError(() => {
vm.createContext({}, input);
}, {
code: 'ERR_INVALID_ARG_TYPE',
type: TypeError,
message: 'The "options" argument must be of type Object. ' +
`Received type ${typeof input}`
});
});
['name', 'origin'].forEach((propertyName) => {
common.expectsError(() => {
vm.createContext({}, { [propertyName]: null });
}, {
code: 'ERR_INVALID_ARG_TYPE',
type: TypeError,
message: `The "options.${propertyName}" property must be of type string. ` +
'Received type object'
});
});
['contextName', 'contextOrigin'].forEach((propertyName) => {
common.expectsError(() => {
vm.runInNewContext('', {}, { [propertyName]: null });
}, {
code: 'ERR_INVALID_ARG_TYPE',
type: TypeError,
message: `The "options.${propertyName}" property must be of type string. ` +
'Received type object'
});
});
// vm.compileFunction
{
assert.strictEqual(
vm.compileFunction('console.log("Hello, World!")').toString(),
'function () {\nconsole.log("Hello, World!")\n}'
);
assert.strictEqual(
vm.compileFunction(
'return p + q + r + s + t',
['p', 'q', 'r', 's', 't']
)('ab', 'cd', 'ef', 'gh', 'ij'),
'abcdefghij'
);
vm.compileFunction('return'); // Should not throw on 'return'
common.expectsError(() => {
vm.compileFunction(
'});\n\n(function() {\nconsole.log(1);\n})();\n\n(function() {'
);
}, {
type: SyntaxError,
message: "Unexpected token '}'"
});
// Tests for failed argument validation
common.expectsError(() => vm.compileFunction(), {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "code" argument must be of type string. ' +
'Received type undefined'
});
vm.compileFunction(''); // Should pass without params or options
common.expectsError(() => vm.compileFunction('', null), {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "params" argument must be of type Array. ' +
'Received type object'
});
// vm.compileFunction('', undefined, null);
const optionTypes = {
'filename': 'string',
'columnOffset': 'number',
'lineOffset': 'number',
'cachedData': 'Buffer, TypedArray, or DataView',
'produceCachedData': 'boolean',
};
for (const option in optionTypes) {
const typeErrorMessage = `The "options.${option}" property must be ` +
`${option === 'cachedData' ? 'one of' : 'of'} type`;
common.expectsError(() => {
vm.compileFunction('', undefined, { [option]: null });
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: typeErrorMessage +
` ${optionTypes[option]}. Received type object`
});
}
// Testing for context-based failures
[Boolean(), Number(), null, String(), Symbol(), {}].forEach(
(value) => {
common.expectsError(() => {
vm.compileFunction('', undefined, { parsingContext: value });
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "options.parsingContext" property must be of type ' +
`Context. Received type ${typeof value}`
});
}
);
// Testing for non Array type-based failures
[Boolean(), Number(), null, Object(), Symbol(), {}].forEach(
(value) => {
common.expectsError(() => {
vm.compileFunction('', value);
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "params" argument must be of type Array. ' +
`Received type ${typeof value}`
});
}
);
assert.strictEqual(
vm.compileFunction(
'return a;',
undefined,
{ contextExtensions: [{ a: 5 }] }
)(),
5
);
common.expectsError(() => {
vm.compileFunction('', undefined, { contextExtensions: null });
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "options.contextExtensions" property must be of type Array' +
'. Received type object'
});
common.expectsError(() => {
vm.compileFunction('', undefined, { contextExtensions: [0] });
}, {
type: TypeError,
code: 'ERR_INVALID_ARG_TYPE',
message: 'The "options.contextExtensions[0]" property must be of type ' +
'object. Received type number'
});
const oldLimit = Error.stackTraceLimit;
// Setting value to run the last three tests
Error.stackTraceLimit = 1;
common.expectsError(() => {
vm.compileFunction('throw new Error("Sample Error")')();
}, {
message: 'Sample Error',
stack: 'Error: Sample Error\n at <anonymous>:1:7'
});
common.expectsError(() => {
vm.compileFunction(
'throw new Error("Sample Error")',
[],
{ lineOffset: 3 }
)();
}, {
message: 'Sample Error',
stack: 'Error: Sample Error\n at <anonymous>:4:7'
});
common.expectsError(() => {
vm.compileFunction(
'throw new Error("Sample Error")',
[],
{ columnOffset: 3 }
)();
}, {
message: 'Sample Error',
stack: 'Error: Sample Error\n at <anonymous>:1:10'
});
assert.strictEqual(
vm.compileFunction(
'return varInContext',
[],
{
parsingContext: vm.createContext({ varInContext: 'abc' })
}
)(),
'abc'
);
common.expectsError(() => {
vm.compileFunction(
'return varInContext',
[]
)();
}, {
message: 'varInContext is not defined',
stack: 'ReferenceError: varInContext is not defined\n at <anonymous>:1:1'
});
assert.notDeepStrictEqual(
vm.compileFunction(
'return global',
[],
{
parsingContext: vm.createContext({ global: {} })
}
)(),
global
);
assert.deepStrictEqual(
vm.compileFunction(
'return global',
[]
)(),
global
);
// Resetting value
Error.stackTraceLimit = oldLimit;
}