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561 lines
22 KiB
561 lines
22 KiB
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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const common = require('../common');
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const assert = require('assert');
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common.globalCheck = false;
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common.refreshTmpDir();
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const net = require('net');
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const repl = require('repl');
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const message = 'Read, Eval, Print Loop';
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const prompt_unix = 'node via Unix socket> ';
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const prompt_tcp = 'node via TCP socket> ';
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const prompt_multiline = '... ';
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const prompt_npm = 'npm should be run outside of the ' +
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'node repl, in your normal shell.\n' +
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'(Press Control-D to exit.)\n';
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const expect_npm = prompt_npm + prompt_unix;
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let server_tcp, server_unix, client_tcp, client_unix, replServer;
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// absolute path to test/fixtures/a.js
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const moduleFilename = require('path').join(common.fixturesDir, 'a');
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console.error('repl test');
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// function for REPL to run
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global.invoke_me = function(arg) {
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return `invoked ${arg}`;
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};
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function send_expect(list) {
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if (list.length > 0) {
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const cur = list.shift();
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console.error(`sending ${JSON.stringify(cur.send)}`);
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cur.client.expect = cur.expect;
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cur.client.list = list;
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if (cur.send.length > 0) {
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cur.client.write(`${cur.send}\n`);
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}
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}
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}
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function clean_up() {
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client_tcp.end();
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client_unix.end();
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}
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function strict_mode_error_test() {
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send_expect([
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{ client: client_unix, send: 'ref = 1',
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expect: /^ReferenceError:\sref\sis\snot\sdefined\n\s+at\srepl:1:5/ },
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]);
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}
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function error_test() {
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// The other stuff is done so reuse unix socket
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let read_buffer = '';
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let run_strict_test = true;
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client_unix.removeAllListeners('data');
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client_unix.on('data', function(data) {
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read_buffer += data.toString('ascii', 0, data.length);
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console.error(
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`Unix data: ${JSON.stringify(read_buffer)}, expecting ${
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client_unix.expect.exec ?
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client_unix.expect :
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JSON.stringify(client_unix.expect)}`);
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if (read_buffer.includes(prompt_unix)) {
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// if it's an exact match, then don't do the regexp
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if (read_buffer !== client_unix.expect) {
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let expect = client_unix.expect;
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if (expect === prompt_multiline)
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expect = /[.]{3} /;
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assert.ok(RegExp(expect).test(read_buffer));
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console.error('match');
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}
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read_buffer = '';
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if (client_unix.list && client_unix.list.length > 0) {
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send_expect(client_unix.list);
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} else if (run_strict_test) {
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replServer.replMode = repl.REPL_MODE_STRICT;
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run_strict_test = false;
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strict_mode_error_test();
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} else {
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console.error('End of Error test, running TCP test.');
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tcp_test();
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}
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} else if (read_buffer.includes(prompt_multiline)) {
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// Check that you meant to send a multiline test
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assert.strictEqual(prompt_multiline, client_unix.expect);
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read_buffer = '';
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if (client_unix.list && client_unix.list.length > 0) {
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send_expect(client_unix.list);
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} else if (run_strict_test) {
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replServer.replMode = repl.REPL_MODE_STRICT;
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run_strict_test = false;
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strict_mode_error_test();
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} else {
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console.error('End of Error test, running TCP test.\n');
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tcp_test();
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}
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} else {
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console.error('didn\'t see prompt yet, buffering.');
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}
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});
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send_expect([
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// Uncaught error throws and prints out
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{ client: client_unix, send: 'throw new Error(\'test error\');',
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expect: /^Error: test error/ },
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// Common syntax error is treated as multiline command
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{ client: client_unix, send: 'function test_func() {',
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expect: prompt_multiline },
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// You can recover with the .break command
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{ client: client_unix, send: '.break',
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expect: prompt_unix },
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// But passing the same string to eval() should throw
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{ client: client_unix, send: 'eval("function test_func() {")',
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expect: /\bSyntaxError: Unexpected end of input/ },
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// Can handle multiline template literals
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{ client: client_unix, send: '`io.js',
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expect: prompt_multiline },
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// Special REPL commands still available
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{ client: client_unix, send: '.break',
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expect: prompt_unix },
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// Template expressions can cross lines
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{ client: client_unix, send: '`io.js ${"1.0"',
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expect: prompt_multiline },
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{ client: client_unix, send: '+ ".2"}`',
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expect: `'io.js 1.0.2'\n${prompt_unix}` },
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// Dot prefix in multiline commands aren't treated as commands
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{ client: client_unix, send: '("a"',
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expect: prompt_multiline },
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{ client: client_unix, send: '.charAt(0))',
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expect: `'a'\n${prompt_unix}` },
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// Floating point numbers are not interpreted as REPL commands.
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{ client: client_unix, send: '.1234',
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expect: '0.1234' },
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// Floating point expressions are not interpreted as REPL commands
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{ client: client_unix, send: '.1+.1',
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expect: '0.2' },
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// Can parse valid JSON
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{ client: client_unix, send: 'JSON.parse(\'{"valid": "json"}\');',
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expect: '{ valid: \'json\' }' },
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// invalid input to JSON.parse error is special case of syntax error,
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// should throw
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{ client: client_unix, send: 'JSON.parse(\'{invalid: \\\'json\\\'}\');',
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expect: /\bSyntaxError: Unexpected token i/ },
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// end of input to JSON.parse error is special case of syntax error,
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// should throw
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{ client: client_unix, send: 'JSON.parse(\'066\');',
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expect: /\bSyntaxError: Unexpected number/ },
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// should throw
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{ client: client_unix, send: 'JSON.parse(\'{\');',
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expect: /\bSyntaxError: Unexpected end of JSON input/ },
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// invalid RegExps are a special case of syntax error,
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// should throw
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{ client: client_unix, send: '/(/;',
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expect: /\bSyntaxError: Invalid regular expression:/ },
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// invalid RegExp modifiers are a special case of syntax error,
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// should throw (GH-4012)
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{ client: client_unix, send: 'new RegExp("foo", "wrong modifier");',
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expect: /\bSyntaxError: Invalid flags supplied to RegExp constructor/ },
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// strict mode syntax errors should be caught (GH-5178)
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{ client: client_unix,
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send: '(function() { "use strict"; return 0755; })()',
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expect: /\bSyntaxError: Octal literals are not allowed in strict mode/ },
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{
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client: client_unix,
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send: '(function(a, a, b) { "use strict"; return a + b + c; })()',
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expect: /\bSyntaxError: Duplicate parameter name not allowed in this context/
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},
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{
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client: client_unix,
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send: '(function() { "use strict"; with (this) {} })()',
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expect: /\bSyntaxError: Strict mode code may not include a with statement/
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},
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{
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client: client_unix,
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send: '(function() { "use strict"; var x; delete x; })()',
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expect: /\bSyntaxError: Delete of an unqualified identifier in strict mode/
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},
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{ client: client_unix,
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send: '(function() { "use strict"; eval = 17; })()',
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expect: /\bSyntaxError: Unexpected eval or arguments in strict mode/ },
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{
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client: client_unix,
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send: '(function() { "use strict"; if (true) function f() { } })()',
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expect: /\bSyntaxError: In strict mode code, functions can only be declared at top level or inside a block\./
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},
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// Named functions can be used:
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{ client: client_unix, send: 'function blah() { return 1; }',
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expect: prompt_unix },
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{ client: client_unix, send: 'blah()',
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expect: `1\n${prompt_unix}` },
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// Functions should not evaluate twice (#2773)
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{ client: client_unix, send: 'var I = [1,2,3,function() {}]; I.pop()',
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expect: '[Function]' },
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// Multiline object
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{ client: client_unix, send: '{ a: ',
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expect: prompt_multiline },
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{ client: client_unix, send: '1 }',
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expect: '{ a: 1 }' },
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// Multiline anonymous function with comment
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{ client: client_unix, send: '(function() {',
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expect: prompt_multiline },
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{ client: client_unix, send: '// blah',
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expect: prompt_multiline },
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{ client: client_unix, send: 'return 1;',
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expect: prompt_multiline },
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{ client: client_unix, send: '})()',
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expect: '1' },
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// Multiline function call
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{ client: client_unix, send: 'function f(){}; f(f(1,',
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expect: prompt_multiline },
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{ client: client_unix, send: '2)',
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expect: prompt_multiline },
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{ client: client_unix, send: ')',
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expect: `undefined\n${prompt_unix}` },
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// npm prompt error message
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{ client: client_unix, send: 'npm install foobar',
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expect: expect_npm },
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{ client: client_unix, send: '(function() {\n\nreturn 1;\n})()',
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expect: '1' },
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{ client: client_unix, send: '{\n\na: 1\n}',
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expect: '{ a: 1 }' },
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{ client: client_unix, send: 'url.format("http://google.com")',
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expect: 'http://google.com/' },
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{ client: client_unix, send: 'var path = 42; path',
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expect: '42' },
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// this makes sure that we don't print `undefined` when we actually print
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// the error message
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{ client: client_unix, send: '.invalid_repl_command',
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expect: `Invalid REPL keyword\n${prompt_unix}` },
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// this makes sure that we don't crash when we use an inherited property as
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// a REPL command
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{ client: client_unix, send: '.toString',
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expect: `Invalid REPL keyword\n${prompt_unix}` },
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// fail when we are not inside a String and a line continuation is used
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{ client: client_unix, send: '[] \\',
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expect: /\bSyntaxError: Invalid or unexpected token/ },
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// do not fail when a String is created with line continuation
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{ client: client_unix, send: '\'the\\\nfourth\\\neye\'',
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expect: `${prompt_multiline}${prompt_multiline}'thefourtheye'\n${
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prompt_unix}` },
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// Don't fail when a partial String is created and line continuation is used
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// with whitespace characters at the end of the string. We are to ignore it.
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// This test is to make sure that we properly remove the whitespace
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// characters at the end of line, unlike the buggy `trimWhitespace` function
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{ client: client_unix, send: ' \t .break \t ',
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expect: prompt_unix },
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// multiline strings preserve whitespace characters in them
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{ client: client_unix, send: '\'the \\\n fourth\t\t\\\n eye \'',
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expect: `${prompt_multiline}${
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prompt_multiline}'the fourth\\t\\t eye '\n${prompt_unix}` },
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// more than one multiline strings also should preserve whitespace chars
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{ client: client_unix, send: '\'the \\\n fourth\' + \'\t\t\\\n eye \'',
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expect: `${prompt_multiline}${
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prompt_multiline}'the fourth\\t\\t eye '\n${prompt_unix}` },
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// using REPL commands within a string literal should still work
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{ client: client_unix, send: '\'\\\n.break',
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expect: prompt_unix },
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// using REPL command "help" within a string literal should still work
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{ client: client_unix, send: '\'thefourth\\\n.help\neye\'',
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expect: /'thefourtheye'/ },
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// empty lines in the REPL should be allowed
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{ client: client_unix, send: '\n\r\n\r\n',
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expect: prompt_unix + prompt_unix + prompt_unix },
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// empty lines in the string literals should not affect the string
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{ client: client_unix, send: '\'the\\\n\\\nfourtheye\'\n',
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expect: `${prompt_multiline}${
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prompt_multiline}'thefourtheye'\n${prompt_unix}` },
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// Regression test for https://github.com/nodejs/node/issues/597
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{ client: client_unix,
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send: '/(.)(.)(.)(.)(.)(.)(.)(.)(.)/.test(\'123456789\')\n',
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expect: `true\n${prompt_unix}` },
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// the following test's result depends on the RegEx's match from the above
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{ client: client_unix,
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send: 'RegExp.$1\nRegExp.$2\nRegExp.$3\nRegExp.$4\nRegExp.$5\n' +
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'RegExp.$6\nRegExp.$7\nRegExp.$8\nRegExp.$9\n',
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expect: ['\'1\'\n', '\'2\'\n', '\'3\'\n', '\'4\'\n', '\'5\'\n', '\'6\'\n',
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'\'7\'\n', '\'8\'\n', '\'9\'\n'].join(`${prompt_unix}`) },
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// regression tests for https://github.com/nodejs/node/issues/2749
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{ client: client_unix, send: 'function x() {\nreturn \'\\n\';\n }',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${
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prompt_unix}` },
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{ client: client_unix, send: 'function x() {\nreturn \'\\\\\';\n }',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${
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prompt_unix}` },
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// regression tests for https://github.com/nodejs/node/issues/3421
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{ client: client_unix, send: 'function x() {\n//\'\n }',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${
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prompt_unix}` },
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{ client: client_unix, send: 'function x() {\n//"\n }',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${
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prompt_unix}` },
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{ client: client_unix, send: 'function x() {//\'\n }',
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expect: `${prompt_multiline}undefined\n${prompt_unix}` },
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{ client: client_unix, send: 'function x() {//"\n }',
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expect: `${prompt_multiline}undefined\n${prompt_unix}` },
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{ client: client_unix, send: 'function x() {\nvar i = "\'";\n }',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${
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prompt_unix}` },
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{ client: client_unix, send: 'function x(/*optional*/) {}',
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expect: `undefined\n${prompt_unix}` },
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{ client: client_unix, send: 'function x(/* // 5 */) {}',
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expect: `undefined\n${prompt_unix}` },
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{ client: client_unix, send: '// /* 5 */',
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expect: `undefined\n${prompt_unix}` },
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{ client: client_unix, send: '"//"',
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expect: `'//'\n${prompt_unix}` },
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{ client: client_unix, send: '"data /*with*/ comment"',
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expect: `'data /*with*/ comment'\n${prompt_unix}` },
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{ client: client_unix, send: 'function x(/*fn\'s optional params*/) {}',
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expect: `undefined\n${prompt_unix}` },
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{ client: client_unix, send: '/* \'\n"\n\'"\'\n*/',
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expect: `undefined\n${prompt_unix}` },
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// REPL should get a normal require() function, not one that allows
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// access to internal modules without the --expose_internals flag.
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{ client: client_unix, send: 'require("internal/repl")',
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expect: /^Error: Cannot find module 'internal\/repl'/ },
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// REPL should handle quotes within regexp literal in multiline mode
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{ client: client_unix,
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send: "function x(s) {\nreturn s.replace(/'/,'');\n}",
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expect: `${prompt_multiline}${prompt_multiline}` +
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`undefined\n${prompt_unix}` },
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{ client: client_unix,
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send: "function x(s) {\nreturn s.replace(/'/,'');\n}",
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expect: `${prompt_multiline}${prompt_multiline}` +
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`undefined\n${prompt_unix}` },
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{ client: client_unix,
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send: 'function x(s) {\nreturn s.replace(/"/,"");\n}',
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expect: `${prompt_multiline}${prompt_multiline}` +
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`undefined\n${prompt_unix}` },
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{ client: client_unix,
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send: 'function x(s) {\nreturn s.replace(/.*/,"");\n}',
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expect: `${prompt_multiline}${prompt_multiline}` +
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`undefined\n${prompt_unix}` },
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{ client: client_unix, send: '{ var x = 4; }',
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expect: `undefined\n${prompt_unix}` },
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// Illegal token is not recoverable outside string literal, RegExp literal,
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// or block comment. https://github.com/nodejs/node/issues/3611
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{ client: client_unix, send: 'a = 3.5e',
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expect: /\bSyntaxError: Invalid or unexpected token/ },
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// Mitigate https://github.com/nodejs/node/issues/548
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{ client: client_unix, send: 'function name(){ return "node"; };name()',
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expect: `'node'\n${prompt_unix}` },
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{ client: client_unix, send: 'function name(){ return "nodejs"; };name()',
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expect: `'nodejs'\n${prompt_unix}` },
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// Avoid emitting repl:line-number for SyntaxError
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{ client: client_unix, send: 'a = 3.5e',
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expect: /^(?!repl)/ },
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// Avoid emitting stack trace
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{ client: client_unix, send: 'a = 3.5e',
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expect: /^(?!\s+at\s)/m },
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// https://github.com/nodejs/node/issues/9850
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{ client: client_unix, send: 'function* foo() {}; foo().next();',
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expect: '{ value: undefined, done: true }' },
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{ client: client_unix, send: 'function *foo() {}; foo().next();',
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expect: '{ value: undefined, done: true }' },
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{ client: client_unix, send: 'function*foo() {}; foo().next();',
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expect: '{ value: undefined, done: true }' },
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{ client: client_unix, send: 'function * foo() {}; foo().next()',
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expect: '{ value: undefined, done: true }' },
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// https://github.com/nodejs/node/issues/9300
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{
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client: client_unix, send: 'function foo() {\nvar bar = 1 / 1; // "/"\n}',
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expect: `${prompt_multiline}${prompt_multiline}undefined\n${prompt_unix}`
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},
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{
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client: client_unix, send: '(function() {\nreturn /foo/ / /bar/;\n}())',
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expect: `${prompt_multiline}${prompt_multiline}NaN\n${prompt_unix}`
|
|
},
|
|
|
|
{
|
|
client: client_unix, send: '(function() {\nif (false) {} /bar"/;\n}())',
|
|
expect: `${prompt_multiline}${prompt_multiline}undefined\n${prompt_unix}`
|
|
},
|
|
|
|
// Newline within template string maintains whitespace.
|
|
{ client: client_unix, send: '`foo \n`',
|
|
expect: `${prompt_multiline}'foo \\n'\n${prompt_unix}` },
|
|
// Whitespace is not evaluated.
|
|
{ client: client_unix, send: ' \t \n',
|
|
expect: prompt_unix },
|
|
// Do not parse `...[]` as a REPL keyword
|
|
{ client: client_unix, send: '...[]\n',
|
|
expect: `${prompt_multiline}` },
|
|
// bring back the repl to prompt
|
|
{ client: client_unix, send: '.break',
|
|
expect: `${prompt_unix}` }
|
|
]);
|
|
}
|
|
|
|
function tcp_test() {
|
|
server_tcp = net.createServer(function(socket) {
|
|
assert.strictEqual(server_tcp, socket.server);
|
|
|
|
socket.on('end', function() {
|
|
socket.end();
|
|
});
|
|
|
|
repl.start(prompt_tcp, socket);
|
|
});
|
|
|
|
server_tcp.listen(0, function() {
|
|
let read_buffer = '';
|
|
|
|
client_tcp = net.createConnection(this.address().port);
|
|
|
|
client_tcp.on('connect', function() {
|
|
assert.strictEqual(true, client_tcp.readable);
|
|
assert.strictEqual(true, client_tcp.writable);
|
|
|
|
send_expect([
|
|
{ client: client_tcp, send: '',
|
|
expect: prompt_tcp },
|
|
{ client: client_tcp, send: 'invoke_me(333)',
|
|
expect: (`'invoked 333'\n${prompt_tcp}`) },
|
|
{ client: client_tcp, send: 'a += 1',
|
|
expect: (`12346\n${prompt_tcp}`) },
|
|
{ client: client_tcp,
|
|
send: `require(${JSON.stringify(moduleFilename)}).number`,
|
|
expect: (`42\n${prompt_tcp}`) }
|
|
]);
|
|
});
|
|
|
|
client_tcp.on('data', function(data) {
|
|
read_buffer += data.toString('ascii', 0, data.length);
|
|
console.error(`TCP data: ${JSON.stringify(read_buffer)}, expecting ${
|
|
JSON.stringify(client_tcp.expect)}`);
|
|
if (read_buffer.includes(prompt_tcp)) {
|
|
assert.strictEqual(client_tcp.expect, read_buffer);
|
|
console.error('match');
|
|
read_buffer = '';
|
|
if (client_tcp.list && client_tcp.list.length > 0) {
|
|
send_expect(client_tcp.list);
|
|
} else {
|
|
console.error('End of TCP test.\n');
|
|
clean_up();
|
|
}
|
|
} else {
|
|
console.error('didn\'t see prompt yet, buffering');
|
|
}
|
|
});
|
|
|
|
client_tcp.on('error', function(e) {
|
|
throw e;
|
|
});
|
|
|
|
client_tcp.on('close', function() {
|
|
server_tcp.close();
|
|
});
|
|
});
|
|
|
|
}
|
|
|
|
function unix_test() {
|
|
server_unix = net.createServer(function(socket) {
|
|
assert.strictEqual(server_unix, socket.server);
|
|
|
|
socket.on('end', function() {
|
|
socket.end();
|
|
});
|
|
|
|
replServer = repl.start({
|
|
prompt: prompt_unix,
|
|
input: socket,
|
|
output: socket,
|
|
useGlobal: true
|
|
});
|
|
replServer.context.message = message;
|
|
});
|
|
|
|
server_unix.on('listening', function() {
|
|
let read_buffer = '';
|
|
|
|
client_unix = net.createConnection(common.PIPE);
|
|
|
|
client_unix.on('connect', function() {
|
|
assert.strictEqual(true, client_unix.readable);
|
|
assert.strictEqual(true, client_unix.writable);
|
|
|
|
send_expect([
|
|
{ client: client_unix, send: '',
|
|
expect: prompt_unix },
|
|
{ client: client_unix, send: 'message',
|
|
expect: (`'${message}'\n${prompt_unix}`) },
|
|
{ client: client_unix, send: 'invoke_me(987)',
|
|
expect: (`'invoked 987'\n${prompt_unix}`) },
|
|
{ client: client_unix, send: 'a = 12345',
|
|
expect: (`12345\n${prompt_unix}`) },
|
|
{ client: client_unix, send: '{a:1}',
|
|
expect: (`{ a: 1 }\n${prompt_unix}`) }
|
|
]);
|
|
});
|
|
|
|
client_unix.on('data', function(data) {
|
|
read_buffer += data.toString('ascii', 0, data.length);
|
|
console.error(`Unix data: ${JSON.stringify(read_buffer)}, expecting ${
|
|
JSON.stringify(client_unix.expect)}`);
|
|
if (read_buffer.includes(prompt_unix)) {
|
|
assert.strictEqual(client_unix.expect, read_buffer);
|
|
console.error('match');
|
|
read_buffer = '';
|
|
if (client_unix.list && client_unix.list.length > 0) {
|
|
send_expect(client_unix.list);
|
|
} else {
|
|
console.error('End of Unix test, running Error test.\n');
|
|
process.nextTick(error_test);
|
|
}
|
|
} else {
|
|
console.error('didn\'t see prompt yet, buffering.');
|
|
}
|
|
});
|
|
|
|
client_unix.on('error', function(e) {
|
|
throw e;
|
|
});
|
|
|
|
client_unix.on('close', function() {
|
|
server_unix.close();
|
|
});
|
|
});
|
|
|
|
server_unix.listen(common.PIPE);
|
|
}
|
|
|
|
unix_test();
|
|
|