xUnit Theory MemberData Sample

xunit-theory-memberdata.cs

// models for example

public class SendEmailModel
{
    public string Content { get; set; }

    public string Email { get; set; }
}

public class SendEmailResult
{
    public bool Result { get; set; }
}

// test parameters

public static IEnumerable<object[]> SendEmailParameters()
{
    // parameters to test send email success
    yield return new object[]
    {
        new SendEmailModel
        {
            Content = "hello world",
            Email = "user@provider.com"
        },
        new SendEmailResult
        {
            Result = true
        }
    };

    // parameters to test send email failed
    yield return new object[]
    {
        new SendEmailModel
        {
            Content = "hello world",
            Email = "wrong-email"
        },
        new SendEmailResult
        {
            Result = false
        }
    };
}

// tests

[Theory]
[MemberData(nameof(SendEmailParameters))]
public static void SendEmail_Should_Validate_Email(SendEmailModel model, SendEmailResult expected)
{
    // arrange
    var emailSender = new EmailSender();

    // act
    var emailSended = emailSender.SendEmail(model);

    // assert
    Assert.Equals(expected.Result, emailSended.Result);
}