public static IEdmNavigationProperty GetNavigationProperty(this ODataPath path)
{
if (path == null)
{
throw Error.ArgumentNull("path");
}
Contract.Assert(path.Segments != null);
NavigationPathSegment navigationSegment = (NavigationPathSegment)path.Segments.FirstOrDefault(
s => s is NavigationPathSegment);
if (navigationSegment == null)
{
return(null);
}
return(navigationSegment.NavigationProperty);
}
public void CanParseNavigateToSingleSegment()
{
// Arrange
string odataPath = "RoutingCustomers(100)/System.Web.Http.OData.Routing.VIP/RelationshipManager";
string expectedText = "RelationshipManager";
IEdmEntitySet expectedSet = _model.EntityContainers().First().EntitySets().SingleOrDefault(s => s.Name == "SalesPeople");
IEdmNavigationProperty expectedEdmElement = _model.SchemaElements.OfType <IEdmEntityType>().SingleOrDefault(s => s.Name == "VIP").NavigationProperties().SingleOrDefault(n => n.Name == "RelationshipManager");
// Act
ODataPath path = _parser.Parse(_model, odataPath);
ODataPathSegment segment = path.Segments.Last();
// Assert
Assert.NotNull(segment);
Assert.Equal(expectedText, segment.ToString());
Assert.Same(expectedSet, path.EntitySet);
Assert.Equal(expectedSet.ElementType, path.EdmType);
NavigationPathSegment navigation = Assert.IsType <NavigationPathSegment>(segment);
Assert.Same(expectedEdmElement, navigation.NavigationProperty);
}
public void CanParseNavigateToCollectionSegment()
{
// Arrange
string odataPath = "RoutingCustomers(100)/Products";
string expectedText = "Products";
IEdmEntitySet expectedSet = _model.EntityContainers().First().EntitySets().SingleOrDefault(s => s.Name == "Products");
IEdmNavigationProperty expectedEdmElement = _model.SchemaElements.OfType <IEdmEntityType>().SingleOrDefault(s => s.Name == "RoutingCustomer").NavigationProperties().SingleOrDefault(n => n.Name == "Products");
// Act
ODataPath path = _parser.Parse(_model, odataPath);
ODataPathSegment segment = path.Segments.Last();
// Assert
Assert.NotNull(segment);
Assert.Equal(expectedText, segment.ToString());
Assert.Same(expectedSet, path.EntitySet);
Assert.Equal(expectedSet.ElementType, (path.EdmType as IEdmCollectionType).ElementType.Definition);
NavigationPathSegment navigation = Assert.IsType <NavigationPathSegment>(segment);
Assert.Same(expectedEdmElement, navigation.NavigationProperty);
}
public void CanParseNavigateToSingleSegment()
{
// Arrange
string testUrl = "http://myservice/Customers(100)/System.Web.Http.OData.Routing.VIP/RelationshipManager";
string expectedText = "RelationshipManager";
IEdmEntitySet expectedSet = _parser.Model.EntityContainers().First().EntitySets().SingleOrDefault(s => s.Name == "SalesPeople");
IEdmNavigationProperty expectedEdmElement = _parser.Model.SchemaElements.OfType <IEdmEntityType>().SingleOrDefault(s => s.Name == "VIP").NavigationProperties().SingleOrDefault(n => n.Name == "RelationshipManager");
Uri uri = new Uri(testUrl);
Uri baseUri = new Uri("http://myservice/");
// Act
ODataPath path = _parser.Parse(uri, baseUri);
ODataPathSegment segment = path.Segments.Last.Value;
// Assert
Assert.NotNull(segment);
Assert.NotNull(segment.Previous);
Assert.Equal(expectedText, segment.ToString());
Assert.Same(expectedSet, segment.EntitySet);
Assert.Equal(expectedSet.ElementType, segment.EdmType);
NavigationPathSegment navigation = Assert.IsType <NavigationPathSegment>(segment);
Assert.Same(expectedEdmElement, navigation.NavigationProperty);
}
public void CanParseNavigateToCollectionSegment()
{
// Arrange
string testUrl = "http://myservice/Customers(100)/Products";
string expectedText = "Products";
IEdmEntitySet expectedSet = _parser.Model.EntityContainers().First().EntitySets().SingleOrDefault(s => s.Name == "Products");
IEdmNavigationProperty expectedEdmElement = _parser.Model.SchemaElements.OfType <IEdmEntityType>().SingleOrDefault(s => s.Name == "Customer").NavigationProperties().SingleOrDefault(n => n.Name == "Products");
Uri uri = new Uri(testUrl);
Uri baseUri = new Uri("http://myservice/");
// Act
ODataPath path = _parser.Parse(uri, baseUri);
ODataPathSegment segment = path.Segments.Last.Value;
// Assert
Assert.NotNull(segment);
Assert.NotNull(segment.Previous);
Assert.Equal(expectedText, segment.ToString());
Assert.Same(expectedSet, segment.EntitySet);
Assert.Equal(expectedSet.ElementType, (segment.EdmType as IEdmCollectionType).ElementType.Definition);
NavigationPathSegment navigation = Assert.IsType <NavigationPathSegment>(segment);
Assert.Same(expectedEdmElement, navigation.NavigationProperty);
}