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test: refactor test-cli-eval.js 

PR-URL: https://github.com/nodejs/node/pull/10898
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
v6
cjihrig 8 years ago
parent
4757ddcce1
commit
87039e307e
1 changed files with 75 additions and 74 deletions
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  1. 149
      test/parallel/test-cli-eval.js

149
test/parallel/test-cli-eval.js
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@ -1,6 +1,7 @@
'use strict';
if (module.parent) {
// signal we've been loaded as a module
// Signal we've been loaded as a module.
// The following console.log() is part of the test.
console.log('Loaded as a module, exiting with status code 42.');
process.exit(42);
}
@ -9,114 +10,114 @@ const common = require('../common');
const assert = require('assert');
const child = require('child_process');
const path = require('path');
const nodejs = '"' + process.execPath + '"';
const nodejs = `"${process.execPath}"`;
// Assert that nothing is written to stdout.
child.exec(`${nodejs} --eval 42`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
// replace \ by / because windows uses backslashes in paths, but they're still
// interpreted as the escape character when put between quotes.
const filename = __filename.replace(/\\/g, '/');
// assert that nothing is written to stdout
child.exec(nodejs + ' --eval 42',
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
});
// assert that "42\n" is written to stderr
child.exec(nodejs + ' --eval "console.error(42)"',
function(err, stdout, stderr) {
// Assert that "42\n" is written to stderr.
child.exec(`${nodejs} --eval "console.error(42)"`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '42\n');
});
// assert that the expected output is written to stdout
['--print', '-p -e', '-pe', '-p'].forEach(function(s) {
const cmd = nodejs + ' ' + s + ' ';
child.exec(cmd + '42',
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
assert.strictEqual(stderr, '');
});
child.exec(cmd + "'[]'", common.mustCall(
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, '[]\n');
assert.strictEqual(stderr, '');
}));
}));
// Assert that the expected output is written to stdout.
['--print', '-p -e', '-pe', '-p'].forEach((s) => {
const cmd = `${nodejs} ${s} `;
child.exec(`${cmd}42`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '42\n');
assert.strictEqual(stderr, '');
}));
child.exec(`${cmd} '[]'`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '[]\n');
assert.strictEqual(stderr, '');
}));
});
// assert that module loading works
child.exec(nodejs + ' --eval "require(\'' + filename + '\')"',
function(err, stdout, stderr) {
assert.strictEqual(err.code, 42);
assert.strictEqual(
stdout, 'Loaded as a module, exiting with status code 42.\n');
assert.strictEqual(stderr, '');
});
// Assert that module loading works.
{
// Replace \ by / because Windows uses backslashes in paths, but they're still
// interpreted as the escape character when put between quotes.
const filename = __filename.replace(/\\/g, '/');
child.exec(`${nodejs} --eval "require('${filename}')"`,
common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 42);
assert.strictEqual(
stdout, 'Loaded as a module, exiting with status code 42.\n');
assert.strictEqual(stderr, '');
}));
}
// Check that builtin modules are pre-defined.
child.exec(nodejs + ' --print "os.platform()"',
function(err, stdout, stderr) {
child.exec(`${nodejs} --print "os.platform()"`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stderr, '');
assert.strictEqual(stdout.trim(), require('os').platform());
});
}));
// module path resolve bug, regression test
child.exec(nodejs + ' --eval "require(\'./test/parallel/test-cli-eval.js\')"',
function(err, stdout, stderr) {
// Module path resolve bug regression test.
child.exec(`${nodejs} --eval "require('./test/parallel/test-cli-eval.js')"`,
common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 42);
assert.strictEqual(
stdout, 'Loaded as a module, exiting with status code 42.\n');
assert.strictEqual(stderr, '');
});
}));
// Missing argument should not crash
child.exec(nodejs + ' -e', common.mustCall(function(err, stdout, stderr) {
// Missing argument should not crash.
child.exec(`${nodejs} -e`, common.mustCall((err, stdout, stderr) => {
assert.strictEqual(err.code, 9);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr.trim(),
`${process.execPath}: -e requires an argument`);
}));
// empty program should do nothing
child.exec(nodejs + ' -e ""', function(err, stdout, stderr) {
// Empty program should do nothing.
child.exec(`${nodejs} -e ""`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
});
}));
// "\\-42" should be interpreted as an escaped expression, not a switch
child.exec(nodejs + ' -p "\\-42"',
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, '-42\n');
assert.strictEqual(stderr, '');
});
// "\\-42" should be interpreted as an escaped expression, not a switch.
child.exec(`${nodejs} -p "\\-42"`, common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '-42\n');
assert.strictEqual(stderr, '');
}));
child.exec(nodejs + ' --use-strict -p process.execArgv',
function(err, stdout, stderr) {
child.exec(`${nodejs} --use-strict -p process.execArgv`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(
stdout, "[ '--use-strict', '-p', 'process.execArgv' ]\n"
);
assert.strictEqual(stderr, '');
});
}));
// Regression test for https://github.com/nodejs/node/issues/3574
const emptyFile = path.join(common.fixturesDir, 'empty.js');
child.exec(nodejs + ` -e 'require("child_process").fork("${emptyFile}")'`,
function(err, stdout, stderr) {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
});
// Regression test for https://github.com/nodejs/node/issues/3574.
{
const emptyFile = path.join(common.fixturesDir, 'empty.js');
child.exec(`${nodejs} -e 'require("child_process").fork("${emptyFile}")'`,
common.mustCall((err, stdout, stderr) => {
assert.ifError(err);
assert.strictEqual(stdout, '');
assert.strictEqual(stderr, '');
}));
}
// Regression test for https://github.com/nodejs/node/issues/8534.
{

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