PIbd-24_Aliulov.S.R_NorthBridge/NorthBridgeProject/NorthBridgeTests/DataModelsTests/ComponentDataModelTests.cs

using NorthBridgeContracts.DataModels;
using NorthBridgeContracts.Enums;
using NorthBridgeContracts.Exceptions;

namespace NorthBridgeTests.DataModelsTests;

[TestFixture]
internal class ComponentDataModelTests
{
    [Test]
    public void IdIsNullOrEmptyTest()
    {
        var component = CreateDataModel(null, "ComponentName", ComponentType.Motherboard, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());

        component = CreateDataModel(string.Empty, "ComponentName", ComponentType.Motherboard, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void IdIsNotGuidTest()
    {
        var component = CreateDataModel("not-a-guid", "ComponentName", ComponentType.Motherboard, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ComponentNameIsNullOrEmptyTest()
    {
        var component = CreateDataModel(Guid.NewGuid().ToString(), null, ComponentType.Motherboard, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());

        component = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, ComponentType.Motherboard, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ComponentTypeIsNoneTest()
    {
        var component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.None, Guid.NewGuid().ToString(), 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ManufacturerIdIsNullOrEmptyTest()
    {
        var component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.Motherboard, null, 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());

        component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.Motherboard, string.Empty, 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ManufacturerIdIsNotGuidTest()
    {
        var component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.Motherboard, "not-a-guid", 100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void PriceIsLessOrEqualToZeroTest()
    {
        var component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.Motherboard, Guid.NewGuid().ToString(), 0, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());

        component = CreateDataModel(Guid.NewGuid().ToString(), "ComponentName", ComponentType.Motherboard, Guid.NewGuid().ToString(), -100, false);
        Assert.That(() => component.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsAreCorrectTest()
    {
        var componentId = Guid.NewGuid().ToString();
        var componentName = "ComponentName";
        var componentType = ComponentType.Motherboard;
        var manufacturerId = Guid.NewGuid().ToString();
        var price = 100.0;
        var isDeleted = false;

        var component = CreateDataModel(componentId, componentName, componentType, manufacturerId, price, isDeleted);

        Assert.That(() => component.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(component.Id, Is.EqualTo(componentId));
            Assert.That(component.ComponentName, Is.EqualTo(componentName));
            Assert.That(component.ComponentType, Is.EqualTo(componentType));
            Assert.That(component.ManufacturerId, Is.EqualTo(manufacturerId));
            Assert.That(component.Price, Is.EqualTo(price));
            Assert.That(component.IsDeleted, Is.EqualTo(isDeleted));
        });
    }

    private static ComponentDataModel CreateDataModel(string? id, string? componentName, ComponentType componentType, string? manufacturerId, double price, bool isDeleted) =>
        new(id, componentName, componentType, manufacturerId, price, isDeleted);
}