WildPlumProject/WildPlumTests/DataModelTests/SalaryDataModelTests.cs

using WildPlumContracts.DataModels;
using WildPlumContracts.Exceptions;

namespace WildPlumTests.DataModelTests;

[TestFixture]
public class SalaryDataModelTests
{
    [Test]
    public void Validate_ThrowsException_WhenIdIsNullOrEmpty()
    {
        Assert.Multiple(() =>
        {
            Assert.That(() => CreateDataModel(null!, Guid.NewGuid().ToString(), 5000, DateTime.UtcNow).Validate(),
                Throws.TypeOf<ValidationException>());
            Assert.That(() => CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 5000, DateTime.UtcNow).Validate(),
                Throws.TypeOf<ValidationException>());
        });
    }

    [Test]
    public void Validate_ThrowsException_WhenIdIsNotGuid()
    {
        Assert.That(() => CreateDataModel("invalid-guid", Guid.NewGuid().ToString(), 5000, DateTime.UtcNow).Validate(),
            Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void Validate_ThrowsException_WhenWorkerIdIsNullOrEmpty()
    {
        Assert.Multiple(() =>
        {
            Assert.That(() => CreateDataModel(Guid.NewGuid().ToString(), null!, 5000, DateTime.UtcNow).Validate(),
                Throws.TypeOf<ValidationException>());
            Assert.That(() => CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 5000, DateTime.UtcNow).Validate(),
                Throws.TypeOf<ValidationException>());
        });
    }

    [Test]
    public void Validate_ThrowsException_WhenWorkerIdIsNotGuid()
    {
        Assert.That(() => CreateDataModel(Guid.NewGuid().ToString(), "invalid-guid", 5000, DateTime.UtcNow).Validate(),
            Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void Validate_ThrowsException_WhenAmountIsNonPositive()
    {
        Assert.That(() => CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, DateTime.UtcNow).Validate(),
            Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsAreCorrectTest()
    {
        var id = Guid.NewGuid().ToString();
        var workerId = Guid.NewGuid().ToString();
        var amount = 5000;
        var salaryDate = DateTime.UtcNow;

        var salaryData = CreateDataModel(id, workerId, amount, salaryDate);

        Assert.That(() => salaryData.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(salaryData.Id, Is.EqualTo(id));
            Assert.That(salaryData.WorkerId, Is.EqualTo(workerId));
            Assert.That(salaryData.Amount, Is.EqualTo(amount));
            Assert.That(salaryData.SalaryDate, Is.EqualTo(salaryDate).Within(TimeSpan.FromSeconds(1)));
        });
    }

    private static SalaryDataModel CreateDataModel(string id, string workerId, decimal amount, DateTime date) =>
        new(id, workerId, amount, date);
}