Check/MagicCarpetProject/MagicCarpetTests/DataModelTests/PostDataModelTests.cs

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

namespace MagicCarpetTests.DataModelTests;
[TestFixture]
internal class PostDataModelTests
{
    [Test]
    public void IdIsNullOrEmptyTest()
    {
        var post = CreateDataModel(null, "name", PostType.TravelAgent, new PostConfiguration() { Rate = 10 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
        post = CreateDataModel(string.Empty, "name", PostType.TravelAgent, new PostConfiguration() { Rate = 10 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void IdIsNotGuidTest()
    {
        var post = CreateDataModel("id", "name", PostType.TravelAgent, new PostConfiguration() { Rate = 10 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void PostNameIsEmptyTest()
    {
        var manufacturer = CreateDataModel(Guid.NewGuid().ToString(), null, PostType.TravelAgent, new PostConfiguration() { Rate = 10 });
        Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, PostType.TravelAgent, new PostConfiguration() { Rate = 10 });
        Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void PostTypeIsNoneTest()
    {
        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.None, new PostConfiguration() { Rate = 10 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void ConfigurationModelIsNullTest()
    {
        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.TravelAgent, null);
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void RateIsLessOrZeroTest()
    {
        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.TravelAgent, new PostConfiguration() { Rate = 0 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
        post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.TravelAgent, new PostConfiguration() { Rate = -10 });
        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var postId = Guid.NewGuid().ToString();
        var postName = "name";
        var postType = PostType.Manager;
        var configuration = new PostConfiguration() { Rate = 10 };
        var post = CreateDataModel(postId, postName, postType, configuration);
        Assert.That(() => post.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(post.Id, Is.EqualTo(postId));
            Assert.That(post.PostName, Is.EqualTo(postName));
            Assert.That(post.PostType, Is.EqualTo(postType));
            Assert.That(post.ConfigurationModel.Rate, Is.EqualTo(configuration.Rate));
        });
    }

    private static PostDataModel CreateDataModel(string? id, string? postName, PostType postType, PostConfiguration configuration) =>
        new(id, postName, postType, configuration);
}