optinal-partameters-tests

optinal-partameters-tests.cs

public class Tests
    {
        [Test]
        public void Moq_Test()
        {
            // Arrange
            var service = new Mock<ISomeService>();
            service.Setup(x => x.SomeMethod("something", It.IsAny<string>())).Returns("any");

            // Act
            var result = service.Object.SomeMethod("something");

            // Assert
            Assert.That(result, Is.EqualTo("any"));
        }

        [Test]
        public void NSubstitute_Test()
        {
            // Arrange
            var service = Substitute.For<ISomeService>();
            service.SomeMethod("something").Returns("any");

            // Act
            var result = service.SomeMethod("something");

            // Assert
            Assert.That(result, Is.EqualTo("any"));
        }

        [Test]
        public void FakeItEasy_Test()
        {
            var service = A.Fake<ISomeService>();
            A.CallTo(() => service.SomeMethod("something", A<string>.Ignored)).Returns("any");

            // Act
            var result = service.SomeMethod("something");

            // Assert
            Assert.That(result, Is.EqualTo("any"));
        }
    }