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test/js/node/test/parallel/test-net-pipe-connect-errors.js

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+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+const common = require('../common');
+const fixtures = require('../common/fixtures');
+const fs = require('fs');
+const net = require('net');
+const assert = require('assert');
+
+// Test if ENOTSOCK is fired when trying to connect to a file which is not
+// a socket.
+
+let emptyTxt;
+
+if (common.isWindows) {
+  // On Win, common.PIPE will be a named pipe, so we use an existing empty
+  // file instead
+  emptyTxt = fixtures.path('empty.txt');
+} else {
+  const tmpdir = require('../common/tmpdir');
+  tmpdir.refresh();
+  // Keep the file name very short so that we don't exceed the 108 char limit
+  // on CI for a POSIX socket. Even though this isn't actually a socket file,
+  // the error will be different from the one we are expecting if we exceed the
+  // limit.
+  emptyTxt = `${tmpdir.path}0.txt`;
+
+  function cleanup() {
+    try {
+      fs.unlinkSync(emptyTxt);
+    } catch (e) {
+      assert.strictEqual(e.code, 'ENOENT');
+    }
+  }
+  process.on('exit', cleanup);
+  cleanup();
+  fs.writeFileSync(emptyTxt, '');
+}
+
+const notSocketClient = net.createConnection(emptyTxt, function() {
+  assert.fail('connection callback should not run');
+});
+
+notSocketClient.on('error', common.mustCall(function(err) {
+  assert(err.code === 'ENOTSOCK' || err.code === 'ECONNREFUSED',
+         `received ${err.code} instead of ENOTSOCK or ECONNREFUSED`);
+}));
+
+
+// Trying to connect to not-existing socket should result in ENOENT error
+const noEntSocketClient = net.createConnection('no-ent-file', function() {
+  assert.fail('connection to non-existent socket, callback should not run');
+});
+
+noEntSocketClient.on('error', common.mustCall(function(err) {
+  assert.strictEqual(err.code, 'ENOENT');
+}));
+
+
+// On Windows or IBMi or when running as root,
+// a chmod has no effect on named pipes
+if (!common.isWindows && !common.isIBMi && process.getuid() !== 0) {
+  // Trying to connect to a socket one has no access to should result in EACCES
+  const accessServer = net.createServer(
+    common.mustNotCall('server callback should not run'));
+  accessServer.listen(common.PIPE, common.mustCall(function() {
+    fs.chmodSync(common.PIPE, 0);
+
+    const accessClient = net.createConnection(common.PIPE, function() {
+      assert.fail('connection should get EACCES, callback should not run');
+    });
+
+    accessClient.on('error', common.mustCall(function(err) {
+      assert.strictEqual(err.code, 'EACCES');
+      accessServer.close();
+    }));
+  }));
+}