test:lint Lint added for test folder.

Added closure linter for test folder. Fixed 2k+ issues in 900 files.
After this fix there is no lint error in test scripts.

Fixes nodejs#25280

Author: saquibkhan

Makefile

@@ -419,10 +419,10 @@ bench-idle:
 	./node benchmark/idle_clients.js &
 
 jslintfix:
-	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/fixjsstyle.py --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
+	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/fixjsstyle.py --strict --nojsdoc -r lib/ -r src/ -r test/ --exclude_files lib/punycode.js
 
 jslint:
-	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/gjslint.py --unix_mode --strict --nojsdoc -r lib/ -r src/ --exclude_files lib/punycode.js
+	PYTHONPATH=tools/closure_linter/ $(PYTHON) tools/closure_linter/closure_linter/gjslint.py --unix_mode --strict --nojsdoc -r lib/ -r src/ -r test/ --exclude_files lib/punycode.js,test/fixtures/throws_error4.js,test/fixtures/uncaught-exceptions/parse-error-mod.js,test/message/throw_in_line_with_tabs.js
 
 CPPLINT_EXCLUDE ?=
 CPPLINT_EXCLUDE += src/node_root_certs.h

test/addons/async-hello-world/test.js

@@ -2,14 +2,14 @@ var assert = require('assert');
 var binding = require('./build/Release/binding');
 var called = false;
 
-process.on('exit', function () {
+process.on('exit', function() {
   assert(called);
 });
 
-binding(5, function (err, val) {
+binding(5, function(err, val) {
   assert.equal(null, err);
   assert.equal(10, val);
-  process.nextTick(function () {
+  process.nextTick(function() {
     called = true;
   });
 });

test/addons/repl-domain-abort/test.js

@@ -34,8 +34,8 @@ process.on('exit', function() {
 var lines = [
   // This line shouldn't cause an assertion error.
   'require(\'' + buildPath + '\')' +
-  // Log output to double check callback ran.
-  '.method(function() { console.log(\'cb_ran\'); });',
+      // Log output to double check callback ran.
+      '.method(function() { console.log(\'cb_ran\'); });'
 ];
 
 var dInput = new stream.Readable();

test/common.js

@@ -48,8 +48,8 @@ if (!fs.existsSync(exports.opensslCli))
 if (process.platform === 'win32') {
   exports.faketimeCli = false;
 } else {
-  exports.faketimeCli = path.join(__dirname, "..", "tools", "faketime", "src",
-    "faketime");
+  exports.faketimeCli = path.join(__dirname, '..', 'tools', 'faketime', 'src',
+      'faketime');
 }
 
 var ifaces = os.networkInterfaces();
@@ -175,8 +175,8 @@ function leakedGlobals() {
     if (-1 === knownGlobals.indexOf(global[val]))
       leaked.push(val);
 
-  return leaked;
-};
+    return leaked;
+}
 exports.leakedGlobals = leakedGlobals;
 
 // Turn this off if the test should not check for global leaks.
@@ -243,7 +243,7 @@ exports.checkSpawnSyncRet = function(ret) {
 var etcServicesFileName = path.join('/etc', 'services');
 if (process.platform === 'win32') {
   etcServicesFileName = path.join(process.env.SystemRoot, 'System32', 'drivers',
-    'etc', 'services');
+      'etc', 'services');
 }
 
 /*
@@ -258,11 +258,11 @@ if (process.platform === 'win32') {
  */
 exports.getServiceName = function getServiceName(port, protocol) {
   if (port == null) {
-    throw new Error("Missing port number");
+    throw new Error('Missing port number');
   }
 
   if (typeof protocol !== 'string') {
-    throw new Error("Protocol must be a string");
+    throw new Error('Protocol must be a string');
   }
 
   /*
@@ -273,36 +273,36 @@ exports.getServiceName = function getServiceName(port, protocol) {
 
   try {
     /*
-     * I'm not a big fan of readFileSync, but reading /etc/services asynchronously
-     * here would require implementing a simple line parser, which seems overkill
-     * for a simple utility function that is not running concurrently with any
-     * other one.
+     * I'm not a big fan of readFileSync, but reading /etc/services
+     * asynchronously here would require implementing a simple
+     * line parser, which seems overkill for a simple utility function
+     * that is not running concurrently with any other one.
      */
     var servicesContent = fs.readFileSync(etcServicesFileName,
-      { encoding: 'utf8'});
+        { encoding: 'utf8'});
     var regexp = util.format('^(\\w+)\\s+\\s%d/%s\\s', port, protocol);
     var re = new RegExp(regexp, 'm');
 
     var matches = re.exec(servicesContent);
     if (matches && matches.length > 1) {
       serviceName = matches[1];
     }
-  } catch(e) {
+  } catch (e) {
     console.error('Cannot read file: ', etcServicesFileName);
     return undefined;
   }
 
   return serviceName;
-}
+};
 
 exports.isValidHostname = function(str) {
   // See http://stackoverflow.com/a/3824105
   var re = new RegExp(
-    '^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])' +
-    '(\\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9]))*$');
+      '^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])' +
+      '(\\.([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9]))*$');
 
   return !!str.match(re) && str.length <= 255;
-}
+};
 exports.hasMultiLocalhost = function hasMultiLocalhost() {
   var TCP = process.binding('tcp_wrap').TCP;
   var t = new TCP();
@@ -328,4 +328,4 @@ exports.getNodeVersion = function getNodeVersion() {
     patch: patch,
     pre: pre
   };
-}
+};

test/debugger/test-debug-break-on-uncaught.js

@@ -41,7 +41,7 @@ var scenarios;
 function addScenario(scriptName, throwsInFile, throwsOnLine) {
   if (!scenarios) scenarios = [];
   scenarios.push(
-    runScenario.bind(null, scriptName, throwsInFile, throwsOnLine, run)
+      runScenario.bind(null, scriptName, throwsInFile, throwsOnLine, run)
   );
 }
 
@@ -56,16 +56,16 @@ function runScenario(scriptName, throwsInFile, throwsOnLine, next) {
   var port = common.PORT + 1337;
 
   var testScript = path.join(
-    common.fixturesDir,
-    'uncaught-exceptions',
-    scriptName
-  );
+      common.fixturesDir,
+      'uncaught-exceptions',
+      scriptName
+      );
 
-  var child = spawn(process.execPath, [ '--debug-brk=' + port, testScript ]);
+  var child = spawn(process.execPath, ['--debug-brk=' + port, testScript]);
   child.on('close', function() {
     assert(asserted, 'debugger did not pause on exception');
     if (next) next();
-  })
+  });
 
   var exceptions = [];
 
@@ -90,25 +90,25 @@ function runScenario(scriptName, throwsInFile, throwsOnLine, next) {
 
   function runTest(client) {
     client.req(
-      {
-        command: 'setexceptionbreak',
-        arguments: {
-          type: 'uncaught',
-          enabled: true
-        }
-      },
-      function(error, result) {
-        assert.ifError(error);
+        {
+          command: 'setexceptionbreak',
+          arguments: {
+            type: 'uncaught',
+            enabled: true
+          }
+        },
+        function(error, result) {
+          assert.ifError(error);
 
-        client.on('exception', function(event) {
-          exceptions.push(event.body);
-        });
+          client.on('exception', function(event) {
+            exceptions.push(event.body);
+          });
 
-        client.reqContinue(function(error, result) {
-          assert.ifError(error);
-          setTimeout(assertHasPaused.bind(null, client), 100);
-        });
-      }
+          client.reqContinue(function(error, result) {
+            assert.ifError(error);
+            setTimeout(assertHasPaused.bind(null, client), 100);
+          });
+        }
     );
   }
 

test/debugger/test-debugger-repl-break-in-module.js

@@ -39,25 +39,25 @@ repl.addTest('sb(")^$*+?}{|][(.js\\\\", 1)', [
 
 // continue - the breakpoint should be triggered
 repl.addTest('c', [
-    /break in .*[\\\/]mod\.js:23/,
-    /21/, /22/, /23/, /24/, /25/
+  /break in .*[\\\/]mod\.js:23/,
+  /21/, /22/, /23/, /24/, /25/
 ]);
 
 // -- RESTORE BREAKPOINT ON RESTART --
 
 // Restart the application - breakpoint should be restored
 repl.addTest('restart', [].concat(
-  [
-    /terminated/
-  ],
-  repl.handshakeLines,
-  [
-    /Restoring breakpoint mod.js:23/,
-    /Warning: script 'mod\.js' was not loaded yet\./,
-    /Restoring breakpoint \).*:\d+/,
-    /Warning: script '\)[^']*' was not loaded yet\./
-  ],
-  repl.initialBreakLines));
+    [
+     /terminated/
+    ],
+    repl.handshakeLines,
+    [
+     /Restoring breakpoint mod.js:23/,
+     /Warning: script 'mod\.js' was not loaded yet\./,
+     /Restoring breakpoint \).*:\d+/,
+     /Warning: script '\)[^']*' was not loaded yet\./
+    ],
+    repl.initialBreakLines));
 
 // continue - the breakpoint should be triggered
 repl.addTest('c', [

test/debugger/test-debugger-repl-restart.js

@@ -23,17 +23,17 @@ var repl = require('./helper-debugger-repl.js');
 
 repl.startDebugger('breakpoints.js');
 var linesWithBreakpoint = [
-    /1/, /2/, /3/, /4/, /5/, /\* 6/
+  /1/, /2/, /3/, /4/, /5/, /\* 6/
 ];
 // We slice here, because addTest will change the given array.
 repl.addTest('sb(6)', linesWithBreakpoint.slice());
 
-var initialLines = repl.initialLines.slice()
+var initialLines = repl.initialLines.slice();
 initialLines.splice(2, 0, /Restoring/, /Warning/);
 
 // Restart the debugged script
 repl.addTest('restart', [
-  /terminated/,
+  /terminated/
 ].concat(initialLines));
 
 repl.addTest('list(5)', linesWithBreakpoint);

test/debugger/test-debugger-repl-term.js

@@ -38,7 +38,7 @@ addTest('n', [
 addTest('', [
   /debug>/,
   /break in .*:5/,
-  /3/, /4/, /5/, /6/, /7/,
+  /3/, /4/, /5/, /6/, /7/
 ]);
 
 // continue
@@ -52,12 +52,12 @@ addTest('c', [
 addTest('', [
   /debug>/,
   /break in .*:5/,
-  /3/, /4/, /5/, /6/, /7/,
+  /3/, /4/, /5/, /6/, /7/
 ]);
 
 // should repeat continue
 addTest('', [
   /debug>/,
   /break in .*:23/,
-  /21/, /22/, /23/, /24/, /25/,
+  /21/, /22/, /23/, /24/, /25/
 ]);

test/disabled/test-debug-brk-file.js

@@ -83,7 +83,7 @@ function debug_client_connect() {
         // get breakpoint list and check if it exists on line 0
         if (!body.length) {
           var req = JSON.stringify({'seq': 1, 'type': 'request',
-                                    'command': 'listbreakpoints'});
+            'command': 'listbreakpoints'});
           conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
           return;
         }
@@ -97,7 +97,7 @@ function debug_client_connect() {
         }
 
         var req = JSON.stringify({'seq': 100, 'type': 'request',
-                                  'command': 'disconnect'});
+          'command': 'disconnect'});
         conn.write('Content-Length: ' + req.length + '\r\n\r\n' + req);
       } finally {
         msg = null;

test/disabled/test-readline.js

@@ -60,7 +60,7 @@ var readlineFakeStream = function() {
         }
       });
   var _stdoutWrite = process.stdout.write;
-  process.stdout.write = function (data) {
+  process.stdout.write = function(data) {
     data.split('').forEach(rl.written_bytes.push.bind(rl.written_bytes));
     _stdoutWrite.apply(this, arguments);
   }
@@ -73,7 +73,7 @@ var written_bytes_length, refreshed;
 
 rl.write('foo');
 assert.equal(3, rl.cursor);
-[key.xterm, key.rxvt, key.gnome, key.putty].forEach(function (key) {
+[key.xterm, key.rxvt, key.gnome, key.putty].forEach(function(key) {
   rl.write.apply(rl, key.home);
   assert.equal(0, rl.cursor);
   rl.write.apply(rl, key.end);
@@ -95,8 +95,8 @@ rl.write.apply(rl, key.xterm.home);
   {cursor: 8, key: key.xterm.metab},
   {cursor: 7, key: key.xterm.metab},
   {cursor: 4, key: key.xterm.metab},
-  {cursor: 0, key: key.xterm.metab},
-].forEach(function (action) {
+  {cursor: 0, key: key.xterm.metab}
+].forEach(function(action) {
   written_bytes_length = rl.written_bytes.length;
   rl.write.apply(rl, action.key);
   assert.equal(action.cursor, rl.cursor);
@@ -107,7 +107,8 @@ rl.write.apply(rl, key.xterm.home);
 rl = readlineFakeStream();
 rl.write('foo bar.hop/zoo');
 rl.write.apply(rl, key.xterm.home);
-['bar.hop/zoo', '.hop/zoo', 'hop/zoo', '/zoo', 'zoo', ''].forEach(function (expectedLine) {
+['bar.hop/zoo', '.hop/zoo', 'hop/zoo', '/zoo', 'zoo', ''
+].forEach(function(expectedLine) {
   rl.write.apply(rl, key.xterm.metad);
   assert.equal(0, rl.cursor);
   assert.equal(expectedLine, rl.line);