node/test/parallel/test-cli-syntax.js

143 строки
4.1 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const { exec, spawnSync } = require('child_process');
const fixtures = require('../common/fixtures');
const node = process.execPath;
// test both sets of arguments that check syntax
const syntaxArgs = [
['-c'],
['--check']
];
// Match on the name of the `Error` but not the message as it is different
// depending on the JavaScript engine.
const syntaxErrorRE = /^SyntaxError: \b/m;
const notFoundRE = /^Error: Cannot find module/m;
// test good syntax with and without shebang
[
'syntax/good_syntax.js',
'syntax/good_syntax',
'syntax/good_syntax_shebang.js',
'syntax/good_syntax_shebang',
'syntax/illegal_if_not_wrapped.js'
].forEach(function(file) {
file = fixtures.path(file);
// loop each possible option, `-c` or `--check`
syntaxArgs.forEach(function(args) {
const _args = args.concat(file);
const cmd = [node, ..._args].join(' ');
exec(cmd, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
});
});
// test bad syntax with and without shebang
[
'syntax/bad_syntax.js',
'syntax/bad_syntax',
'syntax/bad_syntax_shebang.js',
'syntax/bad_syntax_shebang'
].forEach(function(file) {
file = fixtures.path(file);
// loop each possible option, `-c` or `--check`
syntaxArgs.forEach(function(args) {
const _args = args.concat(file);
const cmd = [node, ..._args].join(' ');
exec(cmd, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err instanceof Error, true);
assert.strictEqual(err.code, 1);
// no stdout should be produced
assert.strictEqual(stdout, '');
// stderr should have a syntax error message
assert(syntaxErrorRE.test(stderr), `${syntaxErrorRE} === ${stderr}`);
// stderr should include the filename
assert(stderr.startsWith(file), `${stderr} starts with ${file}`);
}));
});
});
// test file not found
[
'syntax/file_not_found.js',
'syntax/file_not_found'
].forEach(function(file) {
file = fixtures.path(file);
// loop each possible option, `-c` or `--check`
syntaxArgs.forEach(function(args) {
const _args = args.concat(file);
const cmd = [node, ..._args].join(' ');
exec(cmd, common.mustCall((err, stdout, stderr) => {
// no stdout should be produced
assert.strictEqual(stdout, '');
// stderr should have a module not found error message
assert(notFoundRE.test(stderr), `${notFoundRE} === ${stderr}`);
assert.strictEqual(err.code, 1);
}));
});
});
// should not execute code piped from stdin with --check
// loop each possible option, `-c` or `--check`
syntaxArgs.forEach(function(args) {
const stdin = 'throw new Error("should not get run");';
const c = spawnSync(node, args, { encoding: 'utf8', input: stdin });
// no stdout or stderr should be produced
assert.strictEqual(c.stdout, '');
assert.strictEqual(c.stderr, '');
assert.strictEqual(c.status, 0);
});
// should throw if code piped from stdin with --check has bad syntax
// loop each possible option, `-c` or `--check`
syntaxArgs.forEach(function(args) {
const stdin = 'var foo bar;';
const c = spawnSync(node, args, { encoding: 'utf8', input: stdin });
// stderr should include '[stdin]' as the filename
assert(c.stderr.startsWith('[stdin]'), `${c.stderr} starts with ${stdin}`);
// no stdout or stderr should be produced
assert.strictEqual(c.stdout, '');
// stderr should have a syntax error message
assert(syntaxErrorRE.test(c.stderr), `${syntaxErrorRE} === ${c.stderr}`);
assert.strictEqual(c.status, 1);
});
// should throw if -c and -e flags are both passed
['-c', '--check'].forEach(function(checkFlag) {
['-e', '--eval'].forEach(function(evalFlag) {
const args = [checkFlag, evalFlag, 'foo'];
const cmd = [node, ...args].join(' ');
exec(cmd, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err instanceof Error, true);
assert.strictEqual(err.code, 9);
assert(
stderr.startsWith(
`${node}: either --check or --eval can be used, not both`
)
);
}));
});
});