public void GetFirstChild_WhenNoChildren_ShouldReturnNull()
{
// Arrange
_contentLoaderMock
.Setup(c => c.GetChildren <IContentData>(It.IsAny <ContentReference>()))
.Returns(Enumerable.Empty <IContentData>());
// Act
var result = ContentLoaderExtensions.GetFirstChild <IContentData>(_contentLoaderMock.Object, null);
// Assert
Assert.Null(result);
}
public void GetFirstChild_WhenOneChild_ShouldReturnThatChild()
{
// Arrange
var child = new Mock <IContentData>().Object;
_contentLoaderMock
.Setup(c => c.GetChildren <IContentData>(It.IsAny <ContentReference>()))
.Returns(new[] { child });
// Act
var result = ContentLoaderExtensions.GetFirstChild <IContentData>(_contentLoaderMock.Object, null);
// Assert
Assert.Same(child, result);
}
public void GetFirstChild_WhenMultipleChildren_ShouldReturnFirst()
{
// Arrange
var firstChild = new Mock <IContentData>().Object;
var secondChild = new Mock <IContentData>().Object;
_contentLoaderMock
.Setup(c => c.GetChildren <IContentData>(It.IsAny <ContentReference>()))
.Returns(new[] { firstChild, secondChild });
// Act
var result = ContentLoaderExtensions.GetFirstChild <IContentData>(_contentLoaderMock.Object, null);
// Assert
Assert.AreSame(firstChild, result);
}
