DocumentOrganizer/Diligent.WebAPI.Tests/Controllers/ScreeningTestControllerTests.cs

using Diligent.WebAPI.Contracts.Models;
using NSubstitute.ReturnsExtensions;

namespace Diligent.WebAPI.Tests.Controllers
{
    public class ScreeningTestControllerTests
    {
        private IScreeningTestService _service = Substitute.For<IScreeningTestService>();
        private readonly List<TestMicroserviceRequest> tests;
        public ScreeningTestControllerTests()
        {
            tests = new List<TestMicroserviceRequest>
            {
                new TestMicroserviceRequest{ Id = 1, Name = "Intership .NET"},
                new TestMicroserviceRequest{ Id = 2, Name = "Junior .NET"},
                new TestMicroserviceRequest{ Id = 3, Name = "Senior .NET"}
            };
        }

        [Fact]
        public async Task Get_ShouldReturn_200OKAndListOfTests()
        {
            var baseResult = new Contracts.Models.BaseResult<IEnumerable<TestMicroserviceRequest>>
            {
                DataObject = tests
            };
            _service.GetScreening().Returns(baseResult);
            ScreeningTestController controller = new(_service);

            var result = await controller.Get();
            
            (result as OkObjectResult).StatusCode.Should().Be(200);
            
        }

        [Fact]
        public async Task Post_ShouldReturnBadRequest_WhenErrorIsPresent()
        {
            _service.When(x => x.SendTest(Arg.Any<TestMicroserviceInviteRequest>())).ReturnsNull();
            ScreeningTestController controller = new(_service);

            var result = await controller.Post(new TestMicroserviceInviteRequest());

            (result as BadRequestResult).StatusCode.Should().Be(400);
        }


        [Fact]
        public async Task Post_ShouldReturn_200OK()
        {
            _service.SendTest(Arg.Any<TestMicroserviceInviteRequest>()).Returns(true);
            ScreeningTestController controller = new(_service);

            var result = await controller.Post(new TestMicroserviceInviteRequest());

            (result as OkResult).StatusCode.Should().Be(200);
        }
    }
}