HRCenter/Diligent.WebAPI.Tests/Services/SelectionLevelsServiceTests.cs

using AutoMapper;
using Diligent.WebAPI.Business.MappingProfiles;
using Diligent.WebAPI.Business.Services;
using Diligent.WebAPI.Contracts.DTOs.Applicant;
using Diligent.WebAPI.Contracts.DTOs.SelectionLevel;
using Diligent.WebAPI.Contracts.Exceptions;
using Diligent.WebAPI.Data.Entities;

namespace Diligent.WebAPI.Tests.Services
{
    public class SelectionLevelsServiceTests
    {
        private readonly IMapper _mapper;
        private readonly List<SelectionLevel> _levels;
        private readonly SelectionLevel _selectionLevel;
        public SelectionLevelsServiceTests()
        {
            _selectionLevel = new SelectionLevel
            {
                Id = 1,
                Name = "HR intervju",
                SelectionProcesses = new List<SelectionProcess>()
            };

            // configure mapper
            var configuration = new MapperConfiguration(cfg => cfg.AddProfiles(
                new List<Profile>
            {
                new SelectionLevelMappingProfile(),
            }));
            _mapper = new Mapper(configuration);
        }

        [Fact]
        public async Task GetAll_ShouldReturnListOfLevels_Always()
        {
            var databaseContext = await Helpers<SelectionLevel>.GetDatabaseContext(_levels);
            SelectionLevelService service = new(databaseContext, _mapper);

            var result = await service.GetAllAsync();

            result.Should().HaveCount(4);
        }

        [Fact]
        public async Task GetById_ShouldReturnLevel_WhenLevelExist()
        {
            var databaseContext = await Helpers<SelectionLevel>.GetDatabaseContext(_levels);
            SelectionLevelService service = new(databaseContext, _mapper);

            var result = await service.GetByIdAsync(1);

            result.Should().BeEquivalentTo(_mapper.Map<SelectionLevelResposneDto>(_selectionLevel));
        }

        [Fact]
        public async Task GetById_ShouldThrowEntityNotFooundException_WhenLevelDoesnotExist()
        {
            var databaseContext = await Helpers<SelectionLevel>.GetDatabaseContext(_levels);
            SelectionLevelService service = new(databaseContext, _mapper);

            await Assert.ThrowsAsync<EntityNotFoundException>(async () => await service.GetByIdAsync(1000));
        }
    }
}