test: s/assert.fail/common.fail as appropriate

Many tests use assert.fail(null, null, msg) where it would be
simpler to use common.fail(msg). This is largely because
common.fail() is fairly new. This commit makes the replacement
when applicable.

PR-URL: nodejs/node#7735
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

test/internet/test-dgram-send-cb-quelches-error.js

@@ -28,7 +28,7 @@ function callbackOnly(err) {
 }
 
 function onEvent(err) {
-  assert.fail(null, null, 'Error should not be emitted if there is callback');
+  common.fail('Error should not be emitted if there is callback');
 }
 
 function onError(err) {

test/parallel/test-event-emitter-listeners-side-effects.js

@@ -1,6 +1,6 @@
 'use strict';
 
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 
 var EventEmitter = require('events').EventEmitter;
@@ -14,12 +14,12 @@ assert(fl.length === 0);
 assert(!(e._events instanceof Object));
 assert.deepStrictEqual(Object.keys(e._events), []);
 
-e.on('foo', assert.fail);
+e.on('foo', common.fail);
 fl = e.listeners('foo');
-assert(e._events.foo === assert.fail);
+assert(e._events.foo === common.fail);
 assert(Array.isArray(fl));
 assert(fl.length === 1);
-assert(fl[0] === assert.fail);
+assert(fl[0] === common.fail);
 
 e.listeners('bar');
 
@@ -28,12 +28,12 @@ fl = e.listeners('foo');
 
 assert(Array.isArray(e._events.foo));
 assert(e._events.foo.length === 2);
-assert(e._events.foo[0] === assert.fail);
+assert(e._events.foo[0] === common.fail);
 assert(e._events.foo[1] === assert.ok);
 
 assert(Array.isArray(fl));
 assert(fl.length === 2);
-assert(fl[0] === assert.fail);
+assert(fl[0] === common.fail);
 assert(fl[1] === assert.ok);
 
 console.log('ok');

test/parallel/test-event-emitter-once.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 var events = require('events');
 
@@ -16,7 +16,7 @@ e.emit('hello', 'a', 'b');
 e.emit('hello', 'a', 'b');
 
 var remove = function() {
-  assert.fail(1, 0, 'once->foo should not be emitted', '!');
+  common.fail('once->foo should not be emitted');
 };
 
 e.once('foo', remove);

test/parallel/test-http-client-reject-chunked-with-content-length.js

@@ -18,7 +18,7 @@ server.listen(0, () => {
   // both a Content-Length header and a Transfer-Encoding: chunked
   // header, which is a violation of the HTTP spec.
   const req = http.get({port: server.address().port}, (res) => {
-    assert.fail(null, null, 'callback should not be called');
+    common.fail('callback should not be called');
   });
   req.on('error', common.mustCall((err) => {
     assert(/^Parse Error/.test(err.message));

test/parallel/test-http-client-reject-cr-no-lf.js

@@ -17,7 +17,7 @@ server.listen(0, () => {
   // The callback should not be called because the server is sending a
   // header field that ends only in \r with no following \n
   const req = http.get({port: server.address().port}, (res) => {
-    assert.fail(null, null, 'callback should not be called');
+    common.fail('callback should not be called');
   });
   req.on('error', common.mustCall((err) => {
     assert(/^Parse Error/.test(err.message));

test/parallel/test-http-createConnection.js

@@ -21,7 +21,7 @@ const server = http.createServer(common.mustCall(function(req, res) {
           res.resume();
           fn = common.mustCall(createConnectionError);
           http.get({ createConnection: fn }, function(res) {
-            assert.fail(null, null, 'Unexpected response callback');
+            common.fail('Unexpected response callback');
           }).on('error', common.mustCall(function(err) {
             assert.equal(err.message, 'Could not create socket');
             server.close();

test/parallel/test-http-double-content-length.js

@@ -23,8 +23,7 @@ server.listen(0, () => {
     // Send two content-length header values.
     headers: {'Content-Length': [1, 2]}},
     (res) => {
-      assert.fail(null, null, 'an error should have occurred');
-      server.close();
+      common.fail('an error should have occurred');
     }
   );
   req.on('error', common.mustCall(() => {

test/parallel/test-http-localaddress-bind-error.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 var http = require('http');
 
@@ -24,7 +24,7 @@ server.listen(0, '127.0.0.1', function() {
     method: 'GET',
     localAddress: invalidLocalAddress
   }, function(res) {
-    assert.fail(null, null, 'unexpectedly got response from server');
+    common.fail('unexpectedly got response from server');
   }).on('error', function(e) {
     console.log('client got error: ' + e.message);
     gotError = true;

test/parallel/test-http-response-multi-content-length.js

@@ -19,7 +19,7 @@ const server = http.createServer((req, res) => {
       res.writeHead(200, {'content-length': [1, 2]});
       break;
     default:
-      assert.fail(null, null, 'should never get here');
+      common.fail('should never get here');
   }
   res.end('ok');
 });

test/parallel/test-http-response-splitting.js

@@ -38,7 +38,7 @@ const server = http.createServer((req, res) => {
       }));
       break;
     default:
-      assert.fail(null, null, 'should not get to here.');
+      common.fail('should not get to here.');
   }
   if (count === 3)
     server.close();

test/parallel/test-http-server-reject-chunked-with-content-length.js

@@ -10,7 +10,7 @@ const reqstr = 'POST / HTTP/1.1\r\n' +
                'Transfer-Encoding: chunked\r\n\r\n';
 
 const server = http.createServer((req, res) => {
-  assert.fail(null, null, 'callback should not be invoked');
+  common.fail('callback should not be invoked');
 });
 server.on('clientError', common.mustCall((err) => {
   assert(/^Parse Error/.test(err.message));
@@ -25,7 +25,7 @@ server.listen(0, () => {
   client.on('data', (data) => {
     // Should not get to this point because the server should simply
     // close the connection without returning any data.
-    assert.fail(null, null, 'no data should be returned by the server');
+    common.fail('no data should be returned by the server');
   });
   client.on('end', common.mustCall(() => {}));
 });

test/parallel/test-http-server-reject-cr-no-lf.js

@@ -12,7 +12,7 @@ const str = 'GET / HTTP/1.1\r\n' +
 
 
 const server = http.createServer((req, res) => {
-  assert.fail(null, null, 'this should not be called');
+  common.fail('this should not be called');
 });
 server.on('clientError', common.mustCall((err) => {
   assert(/^Parse Error/.test(err.message));
@@ -22,7 +22,7 @@ server.on('clientError', common.mustCall((err) => {
 server.listen(0, () => {
   const client = net.connect({port: server.address().port}, () => {
     client.on('data', (chunk) => {
-      assert.fail(null, null, 'this should not be called');
+      common.fail('this should not be called');
     });
     client.on('end', common.mustCall(() => {
       server.close();

test/parallel/test-https-localaddress-bind-error.js

@@ -35,7 +35,7 @@ server.listen(0, '127.0.0.1', function() {
     method: 'GET',
     localAddress: invalidLocalAddress
   }, function(res) {
-    assert.fail(null, null, 'unexpectedly got response from server');
+    common.fail('unexpectedly got response from server');
   }).on('error', function(e) {
     console.log('client got error: ' + e.message);
     gotError = true;

test/parallel/test-net-connect-immediate-destroy.js

@@ -1,8 +1,7 @@
 'use strict';
 const common = require('../common');
-const assert = require('assert');
 const net = require('net');
 
-const socket = net.connect(common.PORT, common.localhostIPv4, assert.fail);
-socket.on('error', assert.fail);
+const socket = net.connect(common.PORT, common.localhostIPv4, common.fail);
+socket.on('error', common.fail);
 socket.destroy();

test/parallel/test-net-connect-paused-connection.js

@@ -1,6 +1,5 @@
 'use strict';
-require('../common');
-var assert = require('assert');
+const common = require('../common');
 
 var net = require('net');
 
@@ -10,6 +9,6 @@ net.createServer(function(conn) {
   net.connect(this.address().port, 'localhost').pause();
 
   setTimeout(function() {
-    assert.fail(null, null, 'expected to exit');
+    common.fail('expected to exit');
   }, 1000).unref();
 }).unref();

test/parallel/test-net-listen-close-server-callback-is-not-function.js

@@ -1,18 +1,16 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 var net = require('net');
 
-var server = net.createServer(assert.fail);
+var server = net.createServer(common.fail);
 var closeEvents = 0;
 
 server.on('close', function() {
   ++closeEvents;
 });
 
-server.listen(0, function() {
-  assert(false);
-});
+server.listen(0, common.fail);
 
 server.close('bad argument');
 

test/parallel/test-net-listen-port-option.js

@@ -17,12 +17,12 @@ net.Server().listen({ port: '' + common.PORT }, close);
   '-Infinity'
 ].forEach(function(port) {
   assert.throws(function() {
-    net.Server().listen({ port: port }, assert.fail);
+    net.Server().listen({ port: port }, common.fail);
   }, /"port" argument must be >= 0 and < 65536/i);
 });
 
 [null, true, false].forEach(function(port) {
   assert.throws(function() {
-    net.Server().listen({ port: port }, assert.fail);
+    net.Server().listen({ port: port }, common.fail);
   }, /invalid listen argument/i);
 });

test/parallel/test-net-server-max-connections-close-makes-more-available.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 
 var net = require('net');
@@ -86,5 +86,5 @@ process.on('exit', function() {
 
 process.on('unhandledRejection', function() {
   console.error('promise rejected');
-  assert.fail(null, null, 'A promise in the chain rejected');
+  common.fail('A promise in the chain rejected');
 });

test/parallel/test-net-write-slow.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 var net = require('net');
 
@@ -13,8 +13,7 @@ var server = net.createServer(function(socket) {
   socket.setNoDelay();
   socket.setTimeout(9999);
   socket.on('timeout', function() {
-    assert.fail(null, null, 'flushed: ' + flushed +
-                ', received: ' + received + '/' + SIZE * N);
+    common.fail(`flushed: ${flushed}, received: ${received}/${SIZE * N}`);
   });
 
   for (var i = 0; i < N; ++i) {

test/parallel/test-path-parse-format.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 const assert = require('assert');
 const path = require('path');
 
@@ -169,7 +169,7 @@ function checkErrors(path) {
       return;
     }
 
-    assert.fail(null, null, 'should have thrown');
+    common.fail('should have thrown');
   });
 }
 

test/parallel/test-process-exit-from-before-exit.js

@@ -1,9 +1,8 @@
 'use strict';
-var assert = require('assert');
 var common = require('../common');
 
 process.on('beforeExit', common.mustCall(function() {
-  setTimeout(assert.fail, 5);
+  setTimeout(common.fail, 5);
   process.exit(0);  // Should execute immediately even if we schedule new work.
-  assert.fail();
+  common.fail();
 }));

test/parallel/test-repl-reset-event.js

@@ -42,7 +42,7 @@ function testResetGlobal(cb) {
 }
 
 var timeout = setTimeout(function() {
-  assert.fail(null, null, 'Timeout, REPL did not emit reset events');
+  common.fail('Timeout, REPL did not emit reset events');
 }, 5000);
 
 testReset(function() {

test/parallel/test-repl-tab.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var assert = require('assert');
 var repl = require('repl');
 var zlib = require('zlib');
@@ -10,9 +10,7 @@ var testMe = repl.start('', putIn, function(cmd, context, filename, callback) {
   callback(null, cmd);
 });
 
-testMe._domain.on('error', function(e) {
-  assert.fail();
-});
+testMe._domain.on('error', common.fail);
 
 testMe.complete('', function(err, results) {
   assert.equal(err, null);

test/parallel/test-spawn-cmd-named-pipe.js

@@ -39,7 +39,7 @@ if (!process.argv[2]) {
 
   const comspec = process.env['comspec'];
   if (!comspec || comspec.length === 0) {
-    assert.fail(null, null, 'Failed to get COMSPEC');
+    common.fail('Failed to get COMSPEC');
   }
 
   const args = ['/c', process.execPath, __filename, 'child',

test/parallel/test-stream2-base64-single-char-read-end.js

@@ -1,5 +1,5 @@
 'use strict';
-require('../common');
+const common = require('../common');
 var R = require('_stream_readable');
 var W = require('_stream_writable');
 var assert = require('assert');
@@ -33,5 +33,5 @@ src.on('end', function() {
 src.pipe(dst);
 
 timeout = setTimeout(function() {
-  assert.fail(null, null, 'timed out waiting for _write');
+  common.fail('timed out waiting for _write');
 }, 100);

test/parallel/test-tls-client-mindhsize.js

@@ -75,7 +75,7 @@ function testDHE2048() {
 
 testDHE1024();
 
-assert.throws(() => test(512, true, assert.fail),
+assert.throws(() => test(512, true, common.fail),
               /DH parameter is less than 1024 bits/);
 
 [0, -1, -Infinity, NaN].forEach((minDHSize) => {

test/sequential/test-child-process-emfile.js

@@ -44,8 +44,7 @@ proc.on('error', common.mustCall(function(err) {
 }));
 
 proc.on('exit', function() {
-  const msg = '"exit" should not be emitted (the process never spawned!)';
-  assert.fail(null, null, msg);
+  common.fail('"exit" should not be emitted (the process never spawned!)');
 });
 
 // close one fd for LSan