Blog Project(2)Express Backend API - istanbul - mocha - bunyan
84344790 2017-06-08
BlogProject(2)ExpressBackendAPI-istanbul-mocha-bunyan
There2MongoUITools:mongohubandrebomongo
SetUpProjectBasic
gulp
istanbul
http://gotwarlost.github.io/istanbul/
http://www.ruanyifeng.com/blog/2015/06/istanbul.html
http://www.jianshu.com/p/e297d2eceb05
http://blog.csdn.net/csr0312/article/details/47044259
Installistanbulonmylocal
>sudonpminstall-gistanbul
>catsimple.js
vara=1;
varb=1;
if((a+b)>2){
console.log('morethantwo');
}
>istanbulcoversimple.js
=============================================================================
Writingcoverageobject[/Users/carl/work/nodejs/nodejstest/coverage/coverage.json]
Writingcoveragereportsat[/Users/carl/work/nodejs/nodejstest/coverage]
=============================================================================
===============================Coveragesummary===============================
Statements:75%(3/4)
Branches:50%(1/2)
Functions:100%(0/0)
Lines:75%(3/4)
================================================================================
linecoverage-ifeverylineisexecuted
functioncoverage-ifallfunctionsarecalled
branchcoverage-ifall‘if’statementsgetexecuted
statementcoverage-ifallstatementsgetexecuted
Thereisahtmlreportaswell
>opencoverage/lcov-report/index.html
Setstandardtobe90%
>istanbulcheck-coverage--statement90
ERROR:Coverageforstatements(75%)doesnotmeetglobalthreshold(90%)
Mocha
Weusuallyuseistanbulwithmocha
Installmochainglobal
>sudonpminstall-gmocha
installchaionlocal
>npminstallchai
Simplesqrt.js
>catsqrt.js
varMy={
sqrt:function(x){
if(x<0){
thrownewError("cannotbenegative");
}
returnMath.exp(Math.log(x)/2);
}
};
module.exports=My;
Simpletestscodes
>cattest/test.sqrt.js
varchai=require('chai');
varexpect=chai.expect;
varMy=require('../sqrt.js');
describe("sqrt",function(){
it("4sqrtshouldbe2",function(){
expect(My.sqrt(4)).to.equal(2);
});
it("throwexceptionifxisnegative",function(){
expect(function(){My.sqrt(-1);}).to.throw("cannotbenegative");
});
});
Worktogether
>istanbulcover_mocha
sqrt
✓4sqrtshouldbe2
✓throwexceptionifxisnegative
2passing(8ms)
=============================================================================
Writingcoverageobject[/Users/carl/work/nodejs/nodejstest2/coverage/coverage.json]
Writingcoveragereportsat[/Users/carl/work/nodejs/nodejstest2/coverage]
=============================================================================
===============================Coveragesummary===============================
Statements:100%(5/5)
Branches:100%(2/2)
Functions:100%(1/1)
Lines:100%(5/5)
================================================================================
LoggingSystem-bunyan
https://github.com/trentm/node-bunyan
http://www.ctolib.com/node-bunyan.html#installation
Installation
>npminstallbunyan--save
>sudonpminstall-gbunyan
SimpleusageoftheLogger
>cathi.js
varbunyan=require('bunyan');
varlog=bunyan.createLogger({name:'myapp'});
log.info("hi");
log.warn({lang:'fr'},'hello');
Showthelogging
>nodehi.js
{"name":"myapp","hostname":"ip-10-10-21-215.ec2.internal","pid":28178,"level":30,"msg":"hi","time":"2017-06-08T15:20:22.400Z","v":0}
{"name":"myapp","hostname":"ip-10-10-21-215.ec2.internal","pid":28178,"level":40,"lang":"fr","msg":"hello","time":"2017-06-08T15:20:22.402Z","v":0}
Logginginniceformat
>nodehi.js|bunyan
[2017-06-08T15:22:22.449Z]INFO:myapp/28340onip-10-10-21-215.ec2.internal:hi
[2017-06-08T15:22:22.451Z]WARN:myapp/28340onip-10-10-21-215.ec2.internal:hello(lang=fr)
>nodehi.js|bunyan-lwarn
[2017-06-08T15:22:43.041Z]WARN:myapp/28359onip-10-10-21-215.ec2.internal:hello(lang=fr)
>nodehi.js|bunyan-c'this.lang=="fr"'
[2017-06-08T15:23:24.429Z]WARN:myapp/28468onip-10-10-21-215.ec2.internal:hello(lang=fr)
CommonsTool
https://lodash.com/
https://lodash.com/docs/4.17.4
http://wwsun.github.io/posts/lodash-top-10-functions.html
Markdown-it
https://github.com/markdown-it/markdown-it
https://markdown-it.github.io/
Passport
http://blog.fens.me/nodejs-express-passport/
Hereistheversionofemptyprojects
https://github.com/luohuazju/sillycat-blog-backend-express/tree/version-1
References:
https://github.com/jackhutu/jackblog-api-express
