Check/MagicCarpetProject/MagicCarpetTests/DataModelTests/TourDataModelTests.cs

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

namespace MagicCarpetTests.DataModelTests;

internal class TourDataModelTests
{
    [Test]
    public void IdIsNullOrEmptyTest()
    {
        var tour = CreateDataModel(null, "name", "country", 10.5, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
        tour = CreateDataModel(string.Empty, "name", "country", 10.5, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void IdIsNotGuidTest()
    {
        var tour = CreateDataModel("id", "name", "country", 10.5, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void TourNameIsNullOrEmptyTest()
    {
        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), null, "country", 10.5, TourType.Beach);
        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
        cocktail = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "country", 10.5, TourType.Beach);
        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
    }
    public void TourCountryIsNullOrEmptyTest()
    {
        var cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", null, 10.5, TourType.Beach);
        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
        cocktail = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty, 10.5, TourType.Beach);
        Assert.That(() => cocktail.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void PriceIsLessOrZeroTest()
    {
        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
        tour = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, string.Empty, -10.5, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void TourTypeIsNoneTest()
    {
        var tour = CreateDataModel(Guid.NewGuid().ToString(), null, null, 0, TourType.Beach);
        Assert.That(() => tour.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var tourId = Guid.NewGuid().ToString();
        var tourName = "name";
        var tourCountry = "country";
        var price = 10.5;
        var tourType = TourType.Ski;
        var supplies = CreateSuppliesDataModel();
        var agency = CreateAgencyDataModel();
        var tour = CreateDataModel(tourId, tourName, tourCountry, price, tourType);
        Assert.That(() => tour.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(tour.Id, Is.EqualTo(tourId));
            Assert.That(tour.TourName, Is.EqualTo(tourName));
            Assert.That(tour.TourCountry, Is.EqualTo(tourCountry));
            Assert.That(tour.Price, Is.EqualTo(price));
            Assert.That(tour.TourType, Is.EqualTo(tourType));
        });
    }

    private static TourDataModel CreateDataModel(string? id, string? tourName, string? countryName, double price, TourType tourType) =>
        new(id, tourName, countryName,price, tourType);
    private static List<TourSuppliesDataModel> CreateSuppliesDataModel()
                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];

    private static List<TourAgencyDataModel> CreateAgencyDataModel()
                => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
}