TheSoftBedProject/TheSoftBedProject/SoftBedTests/DataModelsTests/FurnitureHistoryDataModelTests.cs

using SoftBedContracts.DataModels;
using SoftBedContracts.Exceptions;

namespace SoftBedTests.DataModelsTests;

[TestFixture]
internal class FurnitureHistoryDataModelTests
{
    [Test]
    public void FurnitureIdIsNullOrEmptyTest()
    {
        var furniture = CreateDataModel(null, 10);
        Assert.That(() => furniture.Validate(), Throws.TypeOf<ValidationException>());
        furniture = CreateDataModel(string.Empty, 10);
        Assert.That(() => furniture.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void FurnitureIdIsNotGuidTest()
    {
        var furniture = CreateDataModel("id", 10);
        Assert.That(() => furniture.Validate(), Throws.TypeOf<ValidationException>());
    }

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

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var furnitureId = Guid.NewGuid().ToString();
        var oldPrice = 10;
        var furnitureHistory = CreateDataModel(furnitureId, oldPrice);
        Assert.That(() => furnitureHistory.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(furnitureHistory.FurnitureId, Is.EqualTo(furnitureId));
            Assert.That(furnitureHistory.OldPrice, Is.EqualTo(oldPrice));
            Assert.That(furnitureHistory.ChangeDate, Is.LessThan(DateTime.UtcNow));
            Assert.That(furnitureHistory.ChangeDate, Is.GreaterThan(DateTime.UtcNow.AddMinutes(-1)));
        });
    }

    private static FurnitureHistoryDataModel CreateDataModel(string? furnitureId, double oldPrice) =>
        new(furnitureId, oldPrice);
}