using System;

using NUnit.Framework;

using NUnitLite;

using Moq;

using System.Collections;

using System.Collections.Generic;

​

[TestFixture]

public class PredicitiveMaintainenceTest

{

    [Test]

    public void given_whenAllSensorsAreGood_When_HealthCheckIsCalled_Then_ReturnZeroMaintainenceCost()

    {

        var dao = new Mock<FetchSensorData>();

        dao.Setup(x => x.FetchSensorData()).Returns( MockDataFromCloud());

        SensorHealthCheck sesnorHealthCheck = new SensorHealthCheck(dao.Object);

        int maintainenceCost = sesnorHealthCheck.GetMaintainenceCost();

        Assert.AreEqual(0, maintainenceCost);

    }

    private List<SensorData> MockDataFromCloud()

    {

        return new List<SensorData> { new SensorData("S1", 30), new SensorData("S1", 20) };                                                 

    }

}

public interface FetchSensorData

{

    public List<SensorData> FetchSensorData();  

}

​

public class SensorHealthCheck

{

    FetchSensorData _fetchSensorData;

    public SensorHealthCheck(FetchSensorData fecthSensorData)

    {

        _fetchSensorData = fecthSensorData;

    }

    public int GetMaintainenceCost()

    {

        List<SensorData> sesnorData = _fetchSensorData.FetchSensorData();

        foreach (var data in sesnorData)

        {

            Console.WriteLine(data.sensorID);

            Console.WriteLine(data.sensorValue);

        }

        return 0;

    }

}

​

public class SensorData

{

     public SensorData(string sensorID, int sensorValue)

        {

            this.sensorID = sensorID;

            this.sensorValue = sensorValue;

        }

    public string sensorID { get; internal set; }

    public int sensorValue { get; internal set; }

}

​

public class Program

{

    public static void Main()

    {

        var x = new NUnitLite.AutoRun().Execute(new string[]{"--test:PredicitiveMaintainenceTest", "--noc"});

        Console.WriteLine("");

        Console.WriteLine("----------------------------------------------");

        Console.WriteLine(x==0?"All Test Passed... :¬)": string.Format("{0} tests failed... :¬(", x));

        Console.WriteLine("----------------------------------------------");    

    }

}