public void WHEN_ViewModel_Is_Null_SHOULD_Throw_ArgumentNullException() { // Arrange var propertyInfo = typeof(TestViewModel).GetProperty("Property"); var sut = new InstancePropertyMetadata(propertyInfo); // Act Action action = () => sut.GetValue(null); // Assert action.ShouldThrow <ArgumentNullException>(); }
public void WHEN_ViewModel_Is_Valid_SHOULD_Pass() { // Arrange var expectedPropertyValue = GetRandom.String(20); var propertyInfo = typeof(TestViewModel).GetProperty("Property"); var sut = new InstancePropertyMetadata(propertyInfo); var viewModel = new TestViewModel { Property = expectedPropertyValue }; // Act var result = sut.GetValue(viewModel); // Assert result.Should().Be(expectedPropertyValue); }