test: add cwd ENOENT known issue test

cjihrig · MylesBorins · commit d8f56371a9b9 · 2017-10-25T04:09:42.000-04:00
If the current working directory is removed, Node cannot start normally because the module system calls uv_cwd(). Backport-PR-URL: #15479 Refs: #12022 PR-URL: #12343 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/test/known_issues/test-cwd-enoent-file.js b/test/known_issues/test-cwd-enoent-file.js
@@ -0,0 +1,34 @@
+'use strict';
+// Refs: https://github.com/nodejs/node/pull/12022
+// If the cwd is deleted, Node cannot run files because the module system
+// relies on uv_cwd(). The -e and -p flags still work though.
+const common = require('../common');
+const assert = require('assert');
+
+if (common.isSunOS || common.isWindows || common.isAix) {
+  // The current working directory cannot be removed on these platforms.
+  // Change this to common.skip() when this is no longer a known issue test.
+  assert.fail('cannot rmdir current working directory');
+  return;
+}
+
+const cp = require('child_process');
+const fs = require('fs');
+
+if (process.argv[2] === 'child') {
+  // Do nothing.
+} else {
+  common.refreshTmpDir();
+  const dir = fs.mkdtempSync(common.tmpDir + '/');
+  process.chdir(dir);
+  fs.rmdirSync(dir);
+  assert.throws(process.cwd,
+                /^Error: ENOENT: no such file or directory, uv_cwd$/);
+
+  const r = cp.spawnSync(process.execPath, [__filename, 'child']);
+
+  assert.strictEqual(r.status, 0);
+  assert.strictEqual(r.signal, null);
+  assert.strictEqual(r.stdout.toString().trim(), '');
+  assert.strictEqual(r.stderr.toString().trim(), '');
+}
