// deno-fmt-ignore-file // deno-lint-ignore-file // Copyright Joyent and Node contributors. All rights reserved. MIT license. // Taken from Node 16.13.0 // This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually // 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 Stream = require('stream'); const requiredConsole = require('console'); const Console = requiredConsole.Console; const out = new Stream(); const err = new Stream(); // Ensure the Console instance doesn't write to the // process' "stdout" or "stderr" streams. process.stdout.write = process.stderr.write = common.mustNotCall(); // Make sure that the "Console" function exists. assert.strictEqual(typeof Console, 'function'); // Note: We don't replace global console with node.js console // assert.strictEqual(requiredConsole, global.console); // Make sure the custom instanceof of Console works assert.ok(global.console instanceof Console); assert.ok(!({} instanceof Console)); // Make sure that the Console constructor throws // when not given a writable stream instance. assert.throws( () => { new Console(); }, { code: 'ERR_CONSOLE_WRITABLE_STREAM', name: 'TypeError', message: /stdout/ } ); // Console constructor should throw if stderr exists but is not writable. assert.throws( () => { out.write = () => {}; err.write = undefined; new Console(out, err); }, { code: 'ERR_CONSOLE_WRITABLE_STREAM', name: 'TypeError', message: /stderr/ } ); out.write = err.write = (d) => {}; { const c = new Console(out, err); assert.ok(c instanceof Console); out.write = err.write = common.mustCall((d) => { assert.strictEqual(d, 'test\n'); }, 2); c.log('test'); c.error('test'); out.write = common.mustCall((d) => { assert.strictEqual(d, '{ foo: 1 }\n'); }); c.dir({ foo: 1 }); // Ensure that the console functions are bound to the console instance. let called = 0; out.write = common.mustCall((d) => { called++; assert.strictEqual(d, `${called} ${called - 1} [ 1, 2, 3 ]\n`); }, 3); [1, 2, 3].forEach(c.log); } // Test calling Console without the `new` keyword. { const withoutNew = Console(out, err); assert.ok(withoutNew instanceof Console); } // Test extending Console { class MyConsole extends Console { hello() {} // See if the methods on Console.prototype are overridable. log() { return 'overridden'; } } const myConsole = new MyConsole(process.stdout); assert.strictEqual(typeof myConsole.hello, 'function'); assert.ok(myConsole instanceof Console); assert.strictEqual(myConsole.log(), 'overridden'); const log = myConsole.log; assert.strictEqual(log(), 'overridden'); } // Instance that does not ignore the stream errors. { const c2 = new Console(out, err, false); out.write = () => { throw new Error('out'); }; err.write = () => { throw new Error('err'); }; assert.throws(() => c2.log('foo'), /^Error: out$/); assert.throws(() => c2.warn('foo'), /^Error: err$/); assert.throws(() => c2.dir('foo'), /^Error: out$/); } // Console constructor throws if inspectOptions is not an object. [null, true, false, 'foo', 5, Symbol()].forEach((inspectOptions) => { assert.throws( () => { new Console({ stdout: out, stderr: err, inspectOptions }); }, { message: 'The "options.inspectOptions" property must be of type object.' + common.invalidArgTypeHelper(inspectOptions), code: 'ERR_INVALID_ARG_TYPE' } ); });