public void WHEN_ViewModel_Is_Null_SHOULD_Throw_ArgumentNullException()
{
// Arrange
var propertyInfo = typeof(TestViewModel).GetProperty("StringProperty");
var sut = new BagPropertyMetadata(propertyInfo);
// Act
Action action = () => sut.SetValue(null, "test");
// Assert
action.ShouldThrow <ArgumentNullException>();
}
public void WHEN_Value_Is_Null_SHOULD_Assign_Null()
{
// Arrange
var propertyInfo = typeof(TestViewModel).GetProperty("StringProperty");
var sut = new BagPropertyMetadata(propertyInfo);
var viewModel = new TestViewModel();
// Act
sut.SetValue(viewModel, null);
// Assert
viewModel.Bag.Should().ContainKey("StringProperty");
viewModel.Bag["StringProperty"].Should().Be(null);
}
public void WHEN_ViewModel_Is_Valid_SHOULD_Pass()
{
// Arrange
var expectedValue = GetRandom.DateTime();
var propertyInfo = typeof(TestViewModel).GetProperty("Property");
var sut = new BagPropertyMetadata(propertyInfo);
var viewModel = new TestViewModel();
sut.SetValue(viewModel, expectedValue);
// Act
var result = sut.GetValue(viewModel);
// Assert
result.Should().Be(expectedValue);
}
public void WHEN_ViewModel_And_Value_Are_Valid_SHOULD_Pass()
{
// Arrange
var expectedPropertyValue = GetRandom.String(20);
var propertyInfo = typeof(TestViewModel).GetProperty("StringProperty");
var sut = new BagPropertyMetadata(propertyInfo);
var viewModel = new TestViewModel();
// Act
sut.SetValue(viewModel, expectedPropertyValue);
// Assert
viewModel.Bag.Should().ContainKey("StringProperty");
viewModel.Bag["StringProperty"].Should().Be(expectedPropertyValue);
}