Pibd-21_Semin_D.A._SmallSoftware/SmallSoftwareProject/SmallSoftwareTests/DataModelsTests/SupplySoftwareDataModelTests.cs

using SmallSoftwareContracts.DataModels;
using SmallSoftwareContracts.Exceptions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SmallSoftwareTests.DataModelsTests;
[TestFixture]
public class SupplySoftwareDataModelTests
{
    [Test]
    public void SupplyIdIsNullOrEmptyTest()
    {
        var supplySoftware = CreateDataModel(null, Guid.NewGuid().ToString(), 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());

        supplySoftware = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void SupplyIdIsNotGuidTest()
    {
        var supplySoftware = CreateDataModel("invalid-id", Guid.NewGuid().ToString(), 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void SoftwareIdIsNullOrEmptyTest()
    {
        var supplySoftware = CreateDataModel(Guid.NewGuid().ToString(), null, 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());

        supplySoftware = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void SoftwareIdIsNotGuidTest()
    {
        var supplySoftware = CreateDataModel(Guid.NewGuid().ToString(), "invalid-id", 5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void CountIsLessThanOrEqualToZeroTest()
    {
        var supplySoftware = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());

        supplySoftware = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -5);
        Assert.That(() => supplySoftware.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsAreCorrectTest()
    {
        var supplyId = Guid.NewGuid().ToString();
        var softwareId = Guid.NewGuid().ToString();
        var count = 10;

        var supplySoftware = CreateDataModel(supplyId, softwareId, count);

        Assert.That(() => supplySoftware.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(supplySoftware.SupplyId, Is.EqualTo(supplyId));
            Assert.That(supplySoftware.SoftwareId, Is.EqualTo(softwareId));
            Assert.That(supplySoftware.Count, Is.EqualTo(count));
        });
    }

    private static SupplySoftwareDataModel CreateDataModel(string storageId, string softwareId, int count)
    {
        return new SupplySoftwareDataModel(storageId, softwareId, count);
    }
}