PIbd-21_AndrianovaE.N._NorthBridgeProject/NorthBridge/NorthBridgeTest/DataModelsTests/ManufacturerDataModelTests.cs

using NorthBridgeContract.DataModels;
using NorthBridgeContract.Exceptions;

namespace NorthBridgeTest.DataModelsTests;

[TestFixture]
internal class ManufacturerDataModelTests
{
	[Test]
	public void IdIsNullEmptyTest()
	{
		var manufacturer = CreateDataModel(null, "name");
		Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
		manufacturer = CreateDataModel(string.Empty, "name");
		Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
	}

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

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

	[Test]
	public void AllFieldsIsCorrectTest()
	{
		var manufacturerId = Guid.NewGuid().ToString();
		var manufacturerName = "name";
		var prevManufacturerName = "prevManufacturerName";
		var prevPrevManufacturerName = "prevPrevManufacturerName";
		var manufacturer = CreateDataModel(manufacturerId, manufacturerName, prevManufacturerName, prevPrevManufacturerName);
		Assert.That(() => manufacturer.Validate(), Throws.Nothing);
		Assert.Multiple(() =>
		{
			Assert.That(manufacturer.Id, Is.EqualTo(manufacturerId));
			Assert.That(manufacturer.ManufacturerName, Is.EqualTo(manufacturerName));
			Assert.That(manufacturer.PrevManufacturerName, Is.EqualTo(prevManufacturerName));
			Assert.That(manufacturer.PrevPrevManufacturerName, Is.EqualTo(prevPrevManufacturerName));
		});
	}

	private static ManufacturerDataModel CreateDataModel(string? id, string? manufacturerName, string? prevManufacturerName = null, string? prevPrevManufacturerName = null) =>
		new(id, manufacturerName, prevManufacturerName, prevPrevManufacturerName);
}