Dependency injection with Suman

dependency-injection-A.js

const assert = require('assert');
const suman = require('suman');

const Test = suman.init(module,'suman.conf.js');  //we now utilize a suman config file which is useful for configuring reporting, IoC, etc


Test.describe('SecondExample', ['delay', 'db', 'val'], function(delay, db, val){    // normally we only need to inject a couple of values per test

     var results = [];

     db.makeDatabaseCall().then(function(values){  // db connection is already made because it was created and injected
         (values || []).filter(function(val){
             return val && val.foo;
          }).forEach(function(val){
               results.push(val);
           });

      }).then(function(){
           delay(); // calling this allows us to invoke the next describe callback, this allows us to effectively block so that we can register a dynamic number of test cases (if we want to)
      });


      this.beforeEach(t => {
            t.data.the = 'clash';  
      });


      this.beforeEach(async function(t) {     //obligatory ES7 example 
            var ret = await val.somePromiseMaker();  
            return await ret.doSomeThingAsync();
      });


      this.describe('this does not run until after db call completes and delay is called', function(){

          results.forEach(result => {

            this.it('tests db result', t => {
                     assert(t.data.the);
             });

            this.it('tests db result', (t,done) => {

                 setTimeout(function(){
                       done(new Error('Passing an error to done will fail the test as it should');
                    },2000);

                 });
             });

      });

});