public void Validate_WhenCalled_ReturnsValidator()
        {
            IUpdateContactGroupCommand sut = CreateSut();

            IValidator result = sut.Validate(_validatorMockContext.ValidatorMock.Object, _contactRepositoryMock.Object);

            Assert.That(result, Is.EqualTo(_validatorMockContext.ValidatorMock.Object));
        }
        public void Validate_WhenCalled_AssertShouldBeKnownValueWasCalledOnObjectValidator()
        {
            int number = _fixture.Create <int>();
            IUpdateContactGroupCommand sut = CreateSut(number);

            sut.Validate(_validatorMockContext.ValidatorMock.Object, _contactRepositoryMock.Object);

            _validatorMockContext.ObjectValidatorMock.Verify(m => m.ShouldBeKnownValue(
                                                                 It.Is <int>(value => value == number),
                                                                 It.IsNotNull <Func <int, Task <bool> > >(),
                                                                 It.Is <Type>(type => type == sut.GetType()),
                                                                 It.Is <string>(field => string.CompareOrdinal(field, "Number") == 0),
                                                                 It.Is <bool>(value => value == false)),
                                                             Times.Once());
        }
        public void Validate_WhenContactRepositoryIsNull_ThrowsArgumentNullException()
        {
            IUpdateContactGroupCommand sut = CreateSut();

            ArgumentNullException result = Assert.Throws <ArgumentNullException>(() => sut.Validate(_validatorMockContext.ValidatorMock.Object, null));

            Assert.That(result.ParamName, Is.EqualTo("contactRepository"));
        }