CreateHandlerTests.cs

using System.Linq;
using IntegrationTests.Fixtures;
using Xunit;
using Zomg.Features.Company;

namespace IntegrationTests.Features.Company
{
    public class CreateHandlerTests
    {
        [Collection("IntegrationTests.Features.Company.CreateHandlerTests")]
        public class TheHandleMethod : IClassFixture<DbFixture<CreateHandlerTests>>
        {
            private readonly DbFixture<CreateHandlerTests> _dbFixture;

            private Create.Command _handledCommand;
            private Create.CommandHandler _handler;

            public TheHandleMethod(IntegrationTestFixture<CreateHandlerTests> dbFixture)
            {
                _handledCommand = new Create.Command
                {
                    CompanyName = "HandledCompany",
                    Email = "[email protected]"
                };
            }

            [Fact]
            public void ShouldCreateCompany()
            {
                _handler.Handle(_handledCommand);
                int count = _dbFixture.Context.Companies.Count(x => x.Name == _handledCommand.CompanyName);
                Assert.Equal(1, count);
            }
        }
    }
}