Check/MagicCarpetProject/MagicCarpetTests/DataModelTests/SaleTourDataModelTests.cs

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

namespace MagicCarpetTests.DataModelTests;

[TestFixture]
internal class SaleTourDataModelTests
{
    [Test]
    public void SaleIdIsNullOrEmptyTest()
    {
        var saleTour = CreateDataModel(null, Guid.NewGuid().ToString(), 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void SaleIdIsNotGuidTest()
    {
        var saleTour = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void TourIdIsNullOrEmptyTest()
    {
        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), null, 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
        saleTour = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void TourIdIsNotGuidTest()
    {
        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), "tourId", 10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void CountIsLessOrZeroTest()
    {
        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
        saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10, 1.1);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void PriceIsLessOrZeroTest()
    {
        var saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, 0);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
        saleTour = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1, -10);
        Assert.That(() => saleTour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var saleId = Guid.NewGuid().ToString();
        var tourId = Guid.NewGuid().ToString();
        var count = 10;
        var price = 1.2;
        var saleTour = CreateDataModel(saleId, tourId, count, price);
        Assert.That(() => saleTour.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(saleTour.SaleId, Is.EqualTo(saleId));
            Assert.That(saleTour.TourId, Is.EqualTo(tourId));
            Assert.That(saleTour.Count, Is.EqualTo(count));
            Assert.That(saleTour.Price, Is.EqualTo(price));
        });
    }

    private static SaleTourDataModel CreateDataModel(string? saleId, string? tourId, int count, double price) =>
        new(saleId, tourId, count, price);
}