// Flags: --expose-internals 'use strict'; const common = require('../common'); const assert = require('assert'); const errors = require('internal/errors'); function invalidKey(key) { return new RegExp(`^An invalid error message key was used: ${key}\\.$`); } errors.E('TEST_ERROR_1', 'Error for testing purposes: %s'); errors.E('TEST_ERROR_2', (a, b) => `${a} ${b}`); { const err = new errors.Error('TEST_ERROR_1', 'test'); assert(err instanceof Error); assert.strictEqual(err.name, 'Error [TEST_ERROR_1]'); assert.strictEqual(err.message, 'Error for testing purposes: test'); assert.strictEqual(err.code, 'TEST_ERROR_1'); } { const err = new errors.TypeError('TEST_ERROR_1', 'test'); assert(err instanceof TypeError); assert.strictEqual(err.name, 'TypeError [TEST_ERROR_1]'); assert.strictEqual(err.message, 'Error for testing purposes: test'); assert.strictEqual(err.code, 'TEST_ERROR_1'); } { const err = new errors.RangeError('TEST_ERROR_1', 'test'); assert(err instanceof RangeError); assert.strictEqual(err.name, 'RangeError [TEST_ERROR_1]'); assert.strictEqual(err.message, 'Error for testing purposes: test'); assert.strictEqual(err.code, 'TEST_ERROR_1'); } { const err = new errors.Error('TEST_ERROR_2', 'abc', 'xyz'); assert(err instanceof Error); assert.strictEqual(err.name, 'Error [TEST_ERROR_2]'); assert.strictEqual(err.message, 'abc xyz'); assert.strictEqual(err.code, 'TEST_ERROR_2'); } { const err = new errors.Error('TEST_ERROR_1'); assert(err instanceof Error); assert.strictEqual(err.name, 'Error [TEST_ERROR_1]'); assert.strictEqual(err.message, 'Error for testing purposes: %s'); assert.strictEqual(err.code, 'TEST_ERROR_1'); } assert.throws( () => new errors.Error('TEST_FOO_KEY'), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('TEST_FOO_KEY') })); // Calling it twice yields same result (using the key does not create it) assert.throws( () => new errors.Error('TEST_FOO_KEY'), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('TEST_FOO_KEY') })); assert.throws( () => new errors.Error(1), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey(1) })); assert.throws( () => new errors.Error({}), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('\\[object Object\\]') })); assert.throws( () => new errors.Error([]), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('') })); assert.throws( () => new errors.Error(true), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('true') })); assert.throws( () => new errors.TypeError(1), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey(1) })); assert.throws( () => new errors.TypeError({}), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('\\[object Object\\]') })); assert.throws( () => new errors.TypeError([]), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('') })); assert.throws( () => new errors.TypeError(true), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('true') })); assert.throws( () => new errors.RangeError(1), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey(1) })); assert.throws( () => new errors.RangeError({}), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('\\[object Object\\]') })); assert.throws( () => new errors.RangeError([]), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('') })); assert.throws( () => new errors.RangeError(true), common.expectsError({ code: 'ERR_ASSERTION', message: invalidKey('true') })); // Tests for common.expectsError assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1' })); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1', type: TypeError, message: /^Error for testing/ })); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1', type: TypeError })); }); assert.doesNotThrow(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1', type: Error })); }); assert.throws(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1', type: RangeError })); }, common.expectsError({ code: 'ERR_ASSERTION', message: /^.+ is not instance of \S/ })); assert.throws(() => { assert.throws(() => { throw new errors.TypeError('TEST_ERROR_1', 'a'); }, common.expectsError({ code: 'TEST_ERROR_1', type: TypeError, message: /^Error for testing 2/ })); }, common.expectsError({ code: 'ERR_ASSERTION', message: /.+ does not match \S/ })); // // Test ERR_INVALID_ARG_TYPE assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', 'b']), 'The "a" argument must be of type b'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', ['b']]), 'The "a" argument must be of type b'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', ['b', 'c']]), 'The "a" argument must be one of type b or c'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', ['b', 'c', 'd']]), 'The "a" argument must be one of type b, c, or d'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', 'b', 'c']), 'The "a" argument must be of type b. Received type string'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', 'b', undefined]), 'The "a" argument must be of type b. Received type ' + 'undefined'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', 'b', null]), 'The "a" argument must be of type b. Received type null'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a', 'not b']), 'The "a" argument must not be of type b'); assert.strictEqual(errors.message('ERR_INVALID_ARG_TYPE', ['a.b', 'not c']), 'The "a.b" property must not be of type c'); assert.strictEqual( errors.message('ERR_INVALID_ARG_TYPE', ['first argument', 'c']), 'The first argument must be of type c'); assert.strictEqual( errors.message('ERR_INVALID_ARG_TYPE', [['a', 'b', 'c'], 'not d']), 'The "a", "b", "c" arguments must not be of type d'); // Test ERR_INVALID_URL_SCHEME assert.strictEqual(errors.message('ERR_INVALID_URL_SCHEME', ['file']), 'The URL must be of scheme file'); assert.strictEqual(errors.message('ERR_INVALID_URL_SCHEME', [['file']]), 'The URL must be of scheme file'); assert.strictEqual(errors.message('ERR_INVALID_URL_SCHEME', [['http', 'ftp']]), 'The URL must be one of scheme http or ftp'); assert.strictEqual(errors.message('ERR_INVALID_URL_SCHEME', [['a', 'b', 'c']]), 'The URL must be one of scheme a, b, or c'); assert.throws( () => errors.message('ERR_INVALID_URL_SCHEME', [[]]), common.expectsError({ code: 'ERR_ASSERTION', message: /^At least one expected value needs to be specified$/ })); // Test ERR_MISSING_ARGS assert.strictEqual(errors.message('ERR_MISSING_ARGS', ['name']), 'The "name" argument must be specified'); assert.strictEqual(errors.message('ERR_MISSING_ARGS', ['name', 'value']), 'The "name" and "value" arguments must be specified'); assert.strictEqual(errors.message('ERR_MISSING_ARGS', ['a', 'b', 'c']), 'The "a", "b", and "c" arguments must be specified'); assert.throws( () => errors.message('ERR_MISSING_ARGS'), common.expectsError({ code: 'ERR_ASSERTION', message: /^At least one arg needs to be specified$/ })); // Test ERR_TLS_CERT_ALTNAME_INVALID assert.strictEqual( errors.message('ERR_TLS_CERT_ALTNAME_INVALID', ['altname']), 'Hostname/IP does not match certificate\'s altnames: altname'); assert.strictEqual( errors.message('ERR_INVALID_PROTOCOL', ['bad protocol', 'http']), 'Protocol "bad protocol" not supported. Expected "http"' ); assert.strictEqual( errors.message('ERR_HTTP_HEADERS_SENT', ['render']), 'Cannot render headers after they are sent to the client' ); assert.strictEqual( errors.message('ERR_INVALID_DOMAIN_NAME'), 'Unable to determine the domain name' ); assert.strictEqual( errors.message('ERR_INVALID_HTTP_TOKEN', ['Method', 'foo']), 'Method must be a valid HTTP token ["foo"]' ); assert.strictEqual( errors.message('ERR_VALUE_OUT_OF_RANGE', ['A', 'some values', 'B']), 'The value of "A" must be some values. Received "B"' ); assert.strictEqual( errors.message('ERR_UNESCAPED_CHARACTERS', ['Request path']), 'Request path contains unescaped characters' ); // Test ERR_DNS_SET_SERVERS_FAILED assert.strictEqual( errors.message('ERR_DNS_SET_SERVERS_FAILED', ['err', 'servers']), 'c-ares failed to set servers: "err" [servers]'); // Test ERR_ENCODING_NOT_SUPPORTED assert.strictEqual( errors.message('ERR_ENCODING_NOT_SUPPORTED', ['enc']), 'The "enc" encoding is not supported'); // Test ERR_HTTP2_HEADER_REQUIRED assert.strictEqual( errors.message('ERR_HTTP2_HEADER_REQUIRED', ['test']), 'The test header is required'); // Test error messages for async_hooks assert.strictEqual( errors.message('ERR_ASYNC_CALLBACK', ['init']), 'init must be a function'); assert.strictEqual( errors.message('ERR_ASYNC_TYPE', [{}]), 'Invalid name for async "type": [object Object]'); assert.strictEqual( errors.message('ERR_INVALID_ASYNC_ID', ['asyncId', undefined]), 'Invalid asyncId value: undefined'); { const { kMaxLength } = process.binding('buffer'); const error = new errors.Error('ERR_BUFFER_TOO_LARGE'); assert.strictEqual( error.message, `Cannot create a Buffer larger than 0x${kMaxLength.toString(16)} bytes` ); } { const error = new errors.Error('ERR_INVALID_ARG_VALUE', 'foo', 'bar'); assert.strictEqual( error.message, 'The value "bar" is invalid for argument "foo"' ); } // Test that `code` property is mutable and that changing it does not change the // name. { const myError = new errors.Error('ERR_TLS_HANDSHAKE_TIMEOUT'); assert.strictEqual(myError.code, 'ERR_TLS_HANDSHAKE_TIMEOUT'); assert.strictEqual(myError.hasOwnProperty('code'), false); assert.strictEqual(myError.hasOwnProperty('name'), false); assert.deepStrictEqual(Object.keys(myError), []); const initialName = myError.name; myError.code = 'FHQWHGADS'; assert.strictEqual(myError.code, 'FHQWHGADS'); assert.strictEqual(myError.name, initialName); assert.deepStrictEqual(Object.keys(myError), ['code']); assert.ok(myError.name.includes('ERR_TLS_HANDSHAKE_TIMEOUT')); assert.ok(!myError.name.includes('FHQWHGADS')); } // Test that `name` is mutable and that changing it alters `toString()` but not // `console.log()` results, which is the behavior of `Error` objects in the // browser. Note that `name` becomes enumerable after being assigned. { const myError = new errors.Error('ERR_TLS_HANDSHAKE_TIMEOUT'); assert.deepStrictEqual(Object.keys(myError), []); const initialToString = myError.toString(); myError.name = 'Fhqwhgads'; assert.deepStrictEqual(Object.keys(myError), ['name']); assert.notStrictEqual(myError.toString(), initialToString); } // Test that `message` is mutable and that changing it alters `toString()` but // not `console.log()` results, which is the behavior of `Error` objects in the // browser. Note that `message` remains non-enumerable after being assigned. { let initialConsoleLog = ''; common.hijackStdout((data) => { initialConsoleLog += data; }); const myError = new errors.Error('ERR_TLS_HANDSHAKE_TIMEOUT'); assert.deepStrictEqual(Object.keys(myError), []); const initialToString = myError.toString(); console.log(myError); assert.notStrictEqual(initialConsoleLog, ''); common.restoreStdout(); let subsequentConsoleLog = ''; common.hijackStdout((data) => { subsequentConsoleLog += data; }); myError.message = 'Fhqwhgads'; assert.deepStrictEqual(Object.keys(myError), []); assert.notStrictEqual(myError.toString(), initialToString); console.log(myError); assert.strictEqual(subsequentConsoleLog, initialConsoleLog); common.restoreStdout(); }