public void WriteObjectInline_Respects_DollarSelect()
{
// Arrange
Mock <ODataWriter> writer = new Mock <ODataWriter>();
writer
.Setup(w => w.WriteStart(It.IsAny <ODataEntry>()))
.Callback((ODataEntry entry) =>
{
Assert.Equal("ID", entry.Properties.Single().Name);
});
// Act
ODataQueryProjectionNode rootNode = new ODataQueryProjectionNode
{
Name = "",
NodeType = _customerSet.ElementType,
Selects =
{
new ODataQueryProjectionNode
{
Name = "ID",
NodeType = _model.FindType("Edm.Int32")
}
}
};
_writeContext.CurrentProjectionNode = rootNode;
_writeContext.RootProjectionNode = rootNode;
_serializer.WriteObjectInline(_customer, writer.Object, _writeContext);
}
public void WriteObjectInline_Respects_DollarExpand()
{
// Arrange
bool order1Written = false;
bool order2Written = false;
Mock <ODataWriter> writer = new Mock <ODataWriter>();
writer
.Setup(w => w.WriteStart(It.IsAny <ODataEntry>()))
.Callback((ODataEntry entry) =>
{
if (entry.TypeName == "Default.Order")
{
int id = (int)entry.Properties.Where(p => p.Name == "ID").Single().Value;
if (id == 1)
{
order1Written = true;
}
else if (id == 2)
{
order2Written = true;
}
else
{
Assert.True(false);
}
}
});
ODataQueryProjectionNode rootNode = new ODataQueryProjectionNode
{
Name = "",
NodeType = _customerSet.ElementType,
Expands =
{
new ODataQueryProjectionNode
{
NodeType = _model.FindDeclaredType("Default.Order"),
Name = "Orders"
}
}
};
_customer.Orders.Add(new Order {
ID = 1, Name = "1"
});
_customer.Orders.Add(new Order {
ID = 2, Name = "2"
});
_writeContext.CurrentProjectionNode = rootNode;
_writeContext.RootProjectionNode = rootNode;
// Act
_serializer.WriteObjectInline(_customer, writer.Object, _writeContext);
// Assert
Assert.True(order1Written);
Assert.True(order2Written);
}
private void WriteNavigationLinks(EntityInstanceContext context, ODataWriter writer, ODataSerializerWriteContext writeContext)
{
foreach (IEdmNavigationProperty navProperty in _edmEntityTypeReference.NavigationProperties())
{
IEdmTypeReference propertyType = navProperty.Type;
object propertyValue = context.EntityInstance.GetType().GetProperty(navProperty.Name).GetValue(context.EntityInstance, index: null);
if (writeContext.EntitySet != null)
{
IEdmEntitySet currentEntitySet = writeContext.EntitySet.FindNavigationTarget(navProperty);
IEntitySetLinkBuilder linkBuilder = SerializerProvider.EdmModel.GetEntitySetLinkBuilder(writeContext.EntitySet);
ODataNavigationLink navigationLink = new ODataNavigationLink
{
IsCollection = propertyType.IsCollection(),
Name = navProperty.Name,
Url = linkBuilder.BuildNavigationLink(context, navProperty)
};
ODataQueryProjectionNode expandNode = null;
if (writeContext.CurrentProjectionNode != null)
{
expandNode = writeContext.CurrentProjectionNode.Expands.FirstOrDefault(p => p.Name == navProperty.Name);
}
if (expandNode != null && propertyValue != null)
{
writer.WriteStart(navigationLink);
ODataSerializer serializer = SerializerProvider.GetEdmTypeSerializer(propertyType);
if (serializer == null)
{
throw Error.NotSupported(SRResources.TypeCannotBeSerialized, navProperty.Type.FullName(), typeof(ODataMediaTypeFormatter).Name);
}
ODataSerializerWriteContext childWriteContext = new ODataSerializerWriteContext(writeContext.ResponseContext);
childWriteContext.UrlHelper = writeContext.UrlHelper;
childWriteContext.EntitySet = currentEntitySet;
childWriteContext.RootProjectionNode = writeContext.RootProjectionNode;
childWriteContext.CurrentProjectionNode = expandNode;
serializer.WriteObjectInline(propertyValue, writer, childWriteContext);
writer.WriteEnd();
}
else if (!writeContext.IsRequest)
{
// delayed links cannot be written on requests
writer.WriteStart(navigationLink);
writer.WriteEnd();
}
}
}
}
// Build the projection tree given a select and expand and the entity set.
// TODO: Bug 467621: replace this with the ODataUriParser functionality
public static ODataQueryProjectionNode GetODataQueryProjectionNode(string selectQuery, string expandQuery, IEdmEntitySet entitySet)
{
IEnumerable<string> selects = (selectQuery ?? String.Empty).Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim());
IEnumerable<string> expands = (expandQuery ?? String.Empty).Split(new[] { ',', }, StringSplitOptions.RemoveEmptyEntries).Select(s => s.Trim());
ODataQueryProjectionNode rootProjectionNode = new ODataQueryProjectionNode { Name = String.Empty, NodeType = entitySet.ElementType };
foreach (string expand in expands)
{
ODataQueryProjectionNode currentProjectionNode = rootProjectionNode;
IEnumerable<string> expandPath = expand.Split('/');
foreach (string property in expandPath)
{
ODataQueryProjectionNode nextNode = currentProjectionNode.Expands.SingleOrDefault(node => node.Name == property);
if (nextNode == null)
{
nextNode = new ODataQueryProjectionNode { Name = property, NodeType = (currentProjectionNode.NodeType as IEdmEntityType).Properties().SingleOrDefault(p => p.Name == property).Type.Definition };
currentProjectionNode.Expands.Add(nextNode);
}
currentProjectionNode = nextNode;
}
}
foreach (string select in selects)
{
ODataQueryProjectionNode currentProjectionNode = rootProjectionNode;
IEnumerable<string> selectPath = select.Split('/');
foreach (string property in selectPath)
{
ODataQueryProjectionNode nextNode = currentProjectionNode.Expands.SingleOrDefault(node => node.Name == property);
if (nextNode == null)
{
nextNode = new ODataQueryProjectionNode { Name = property, NodeType = (currentProjectionNode.NodeType as IEdmEntityType).Properties().SingleOrDefault(p => p.Name == property).Type.Definition };
currentProjectionNode.Selects.Add(nextNode);
}
currentProjectionNode = nextNode;
}
}
return rootProjectionNode;
}
public void WriteObjectInline_Respects_DollarExpandAndSelect()
{
// Arrange
bool order1Written = false;
bool order2Written = false;
bool customerWritten = false;
Mock<ODataWriter> writer = new Mock<ODataWriter>();
writer
.Setup(w => w.WriteStart(It.IsAny<ODataEntry>()))
.Callback((ODataEntry entry) =>
{
if (entry.TypeName == "Default.Order")
{
string id = (string)entry.Properties.Single().Value;
if (id == "1")
{
order1Written = true;
}
else if (id == "2")
{
order2Written = true;
}
else
{
Assert.True(false);
}
}
else if (entry.TypeName == "Default.Customer")
{
Assert.Equal("FirstName", entry.Properties.Single().Name);
customerWritten = true;
}
});
ODataQueryProjectionNode rootNode = new ODataQueryProjectionNode
{
Name = "",
NodeType = _customerSet.ElementType,
Expands =
{
new ODataQueryProjectionNode
{
NodeType = _model.FindDeclaredType("Default.Order"),
Name = "Orders",
Selects =
{
new ODataQueryProjectionNode
{
Name = "Name",
NodeType = _model.FindType("Edm.String")
}
}
}
},
Selects =
{
new ODataQueryProjectionNode
{
Name = "FirstName",
NodeType = _model.FindType("Edm.String")
}
}
};
_customer.Orders.Add(new Order { ID = 1, Name = "1" });
_customer.Orders.Add(new Order { ID = 2, Name = "2" });
_writeContext.CurrentProjectionNode = rootNode;
_writeContext.RootProjectionNode = rootNode;
// Act
_serializer.WriteObjectInline(_customer, writer.Object, _writeContext);
// Assert
Assert.True(order1Written);
Assert.True(order2Written);
Assert.True(customerWritten);
}
public void WriteObjectInline_Respects_DollarSelect()
{
// Arrange
Mock<ODataWriter> writer = new Mock<ODataWriter>();
writer
.Setup(w => w.WriteStart(It.IsAny<ODataEntry>()))
.Callback((ODataEntry entry) =>
{
Assert.Equal("ID", entry.Properties.Single().Name);
});
// Act
ODataQueryProjectionNode rootNode = new ODataQueryProjectionNode
{
Name = "",
NodeType = _customerSet.ElementType,
Selects =
{
new ODataQueryProjectionNode
{
Name = "ID",
NodeType = _model.FindType("Edm.Int32")
}
}
};
_writeContext.CurrentProjectionNode = rootNode;
_writeContext.RootProjectionNode = rootNode;
_serializer.WriteObjectInline(_customer, writer.Object, _writeContext);
}