private static ODataExpandPath BuildExpandPath(ExpandModelPath path, IEdmNavigationSource navigationSource, IEdmNavigationSource currentEdmNavigationSource)
{
IList <ODataPathSegment> segments = new List <ODataPathSegment>();
IEdmType previousPropertyType = null;
foreach (var node in path)
{
if (node is IEdmStructuralProperty property)
{
segments.Add(new PropertySegment(property));
previousPropertyType = property.Type.GetElementType();
}
else if (node is IEdmStructuredType typeNode)
{
if (previousPropertyType == null)
{
segments.Add(new TypeSegment(typeNode, navigationSource));
}
else
{
segments.Add(new TypeSegment(typeNode, previousPropertyType, navigationSource));
}
}
else if (node is IEdmNavigationProperty navigation)
{
segments.Add(new NavigationPropertySegment(navigation, currentEdmNavigationSource));
}
}
return(new ODataExpandPath(segments));
}
public void Ctor_ExpandModelPath_WithBasicElements_SetsProperties()
{
// Arrange
IList <IEdmElement> elements = new List <IEdmElement>
{
_relatedNavProperty
};
// Act
ExpandModelPath expandPath = new ExpandModelPath(elements);
// Assert
Assert.Same(_relatedNavProperty, expandPath.Navigation);
Assert.Equal("RelatedCustomers", expandPath.ExpandPath);
Assert.Equal("", expandPath.NavigationPropertyPath);
}
public void Ctor_ExpandModelPath_WithTypeElements_SetsProperties()
{
// Arrange
IList <IEdmElement> elements = new List <IEdmElement>
{
_homeAddress,
_customerType, // it's not valid from the model, but it's valid for the test.
_relatedNavProperty
};
// Act
ExpandModelPath expandPath = new ExpandModelPath(elements);
// Assert
Assert.Same(_relatedNavProperty, expandPath.Navigation);
Assert.Equal("HomeAddress/NS.Customer/RelatedCustomers", expandPath.ExpandPath);
Assert.Equal("HomeAddress/NS.Customer", expandPath.NavigationPropertyPath);
}
