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test: use tmp directory in chdir test #2589

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thefourtheye wants to merge 1 commit into from
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test: use tmp directory in chdir test #2589

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28 changes: 28 additions & 0 deletions test/parallel/test-process-chdir.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
'use strict';

const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');

assert.notStrictEqual(process.cwd(), __dirname);
process.chdir(__dirname);
assert.strictEqual(process.cwd(), __dirname);

const dir = path.resolve(common.tmpDir,
'weird \uc3a4\uc3ab\uc3af characters \u00e1\u00e2\u00e3');

// Make sure that the tmp directory is clean
common.refreshTmpDir();
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@Fishrock123 Fishrock123 Sep 15, 2015

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I think this is effectively unsafe after using common.tmpDir?

Isn't it possible that your tmpDir is different then?

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@thefourtheye thefourtheye Sep 15, 2015

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@Fishrock123 refresh just removes the directory and creates it

exports.refreshTmpDir = function() {
  rimrafSync(exports.tmpDir);
  fs.mkdirSync(exports.tmpDir);
};

The name is actually decided when we load the module itself,

if (process.env.TEST_THREAD_ID) {
  // Distribute ports in parallel tests
  if (!process.env.NODE_COMMON_PORT)
    exports.PORT += +process.env.TEST_THREAD_ID * 100;

  exports.tmpDirName += '.' + process.env.TEST_THREAD_ID;
}
exports.tmpDir = path.join(exports.testDir, exports.tmpDirName);

Since we are just resolving the path before that, we are safe here.


fs.mkdirSync(dir);
process.chdir(dir);
assert.strictEqual(process.cwd(), dir);

process.chdir('..');
assert.strictEqual(process.cwd(), path.resolve(common.tmpDir));

assert.throws(function() { process.chdir({}); }, TypeError, 'Bad argument.');
assert.throws(function() { process.chdir(); }, TypeError, 'Bad argument.');
assert.throws(function() { process.chdir('x', 'y'); },
TypeError, 'Bad argument.');
38 changes: 0 additions & 38 deletions test/sequential/test-chdir.js
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