test: refactor test-tls-interleave

var -> let / const added common.mustCall() to callback assert.equal() -> assert.strictEqual() PR-URL: #10017 Reviewed-By: Colin Ihrig <[email protected]>

Author: bchirgwin

test/parallel/test-tls-interleave.js

@@ -1,37 +1,38 @@
 'use strict';
-varcommon=require('../common');
-varassert=require('assert');
+constcommon=require('../common');
 
 if(!common.hasCrypto){
 common.skip('missing crypto');
 return;
 }
-vartls=require('tls');
+constassert=require('assert');
 
-varfs=require('fs');
+consttls=require('tls');
 
-vardir=common.fixturesDir;
-varoptions={key: fs.readFileSync(dir+'/test_key.pem'),
-cert: fs.readFileSync(dir+'/test_cert.pem'),
-ca: [fs.readFileSync(dir+'/test_ca.pem')]};
+constfs=require('fs');
 
-varwrites=[
+constdir=common.fixturesDir;
+constoptions={key: fs.readFileSync(dir+'/test_key.pem'),
+cert: fs.readFileSync(dir+'/test_cert.pem'),
+ca: [fs.readFileSync(dir+'/test_ca.pem')]};
+
+constwrites=[
 'some server data',
 'and a separate packet',
 'and one more',
 ];
-varreceivedWrites=0;
+letreceivedWrites=0;
 
-varserver=tls.createServer(options,function(c){
+constserver=tls.createServer(options,function(c){
 writes.forEach(function(str){
 c.write(str);
 });
-}).listen(0,function(){
+}).listen(0,common.mustCall(function(){
 constconnectOpts={rejectUnauthorized: false};
-varc=tls.connect(this.address().port,connectOpts,function(){
+constc=tls.connect(this.address().port,connectOpts,function(){
 c.write('some client data');
 c.on('readable',function(){
-vardata=c.read();
+letdata=c.read();
 if(data===null)
 return;
 
@@ -47,8 +48,9 @@ var server = tls.createServer(options, function(c){
 }
 });
 });
-});
+}));
+
 
 process.on('exit',function(){
-assert.equal(receivedWrites,writes.length);
+assert.strictEqual(receivedWrites,writes.length);
 });