sharee.bike-App/TestShareeLib/ViewModel/TestViewModelHelper.cs

using NSubstitute;
using NUnit.Framework;
using System;
using TINK.Model.Bikes.Bike.BC;
using TINK.ViewModel;

namespace TestShareeLib.ViewModel
{
    [TestFixture]
    public class TestViewModelHelper
    {
        [Test]
        public void TestGetFullDisplayName()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("MyStation");
            bike.Id.Returns("MyId");

            Assert.That(
                bike.GetFullDisplayName(),
                Is.EqualTo("MyStation, Nr. MyId"));
        }

        [Test]
        public void TestGetFullDisplayNameIdEmpty()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("MyStation");
            bike.Id.Returns("");

            Assert.That(
                bike.GetFullDisplayName(),
                Is.EqualTo("MyStation, Nr. "));
        }

        [Test]
        public void TestGetFullDisplayNameEmpty()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("");
            bike.Id.Returns("Id33");

            Assert.That(
                bike.GetDisplayName(),
                Is.EqualTo("Id33"));
        }

        [Test]
        public void TestGetDisplayName()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("MyStation");
            bike.Id.Returns("Id33");

            Assert.That(
                bike.GetDisplayName(),
                Is.EqualTo("MyStation"));
        }

        [Test]
        public void TestGetDisplayNameEmpty()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("");
            bike.Id.Returns("Id33");

            Assert.That(
                bike.GetDisplayName(),
                Is.EqualTo("Id33"));
        }

        [Test]
        public void TestGetDisplayId()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("ValidName");
            bike.Id.Returns("Id33");

            Assert.That(
                bike.GetDisplayId(),
                Is.EqualTo("Id33"));
        }

        [Test]
        public void TestGetDisplayIdNameEmpty()
        {
            var bike = Substitute.For<IBikeInfoMutable>();
            bike.Description.Returns("");
            bike.Id.Returns("Id33");

            Assert.That(
                bike.GetDisplayId(),
                Is.EqualTo(""));
        }

        [Test]
        public void TestGetErrorMessage_Null()
        {
            Assert.That(
                ViewModelHelper.GetErrorMessage(null),
                Is.Empty);
        }

        [Test]
        public void TestGetErrorMessage_Ex()
        {
            Assert.That(
                new Exception("Ja toll").GetErrorMessage(),
                Is.EqualTo("Ja toll"));
        }

        [Test]
        public void TestGetErrorMessage_Aggregate_One()
        {
            Assert.That(
                new AggregateException(new Exception("Oh yes")).GetErrorMessage(),
                Is.EqualTo("Oh yes"));
        }

        [Test]
        public void TestGetErrorMessage_Aggregate_Two()
        {
            Assert.That(
                new AggregateException(new Exception("Oh yes"), new Exception("Oh no")).GetErrorMessage(),
                Is.EqualTo("One or more errors occurred.\r\nOh yes\r\nOh no"));
        }
    }
}