public void ReadFeed_Calls_ReadInlineForEachEntry()
{
// Arrange
Mock <ODataDeserializerProvider> deserializerProvider = new Mock <ODataDeserializerProvider>();
Mock <ODataEdmTypeDeserializer> entityDeserializer = new Mock <ODataEdmTypeDeserializer>(ODataPayloadKind.Entry);
ODataFeedDeserializer deserializer = new ODataFeedDeserializer(deserializerProvider.Object);
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(new ODataEntry {
Id = new Uri("http://a1/")
}));
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(new ODataEntry {
Id = new Uri("http://a2/")
}));
ODataDeserializerContext readContext = new ODataDeserializerContext();
deserializerProvider.Setup(p => p.GetEdmTypeDeserializer(_customerType)).Returns(entityDeserializer.Object);
entityDeserializer.Setup(d => d.ReadInline(feedWrapper.Entries[0], _customerType, readContext)).Returns("entry1").Verifiable();
entityDeserializer.Setup(d => d.ReadInline(feedWrapper.Entries[1], _customerType, readContext)).Returns("entry2").Verifiable();
// Act
var result = deserializer.ReadFeed(feedWrapper, _customerType, readContext);
// Assert
Assert.Equal(new[] { "entry1", "entry2" }, result.OfType <String>());
entityDeserializer.Verify();
}
public void ReadInline_Throws_ArgumentMustBeOfType()
{
var deserializer = new ODataFeedDeserializer(new DefaultODataDeserializerProvider());
Assert.ThrowsArgument(
() => deserializer.ReadInline(item: 42, edmType: _customersType, readContext: new ODataDeserializerContext()),
"item",
"The argument must be of type 'ODataFeedWithEntries'.");
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultODataDeserializerProvider"/> class.
/// </summary>
public DefaultODataDeserializerProvider()
{
_actionPayloadDeserializer = new ODataActionPayloadDeserializer(this);
_entityDeserializer = new ODataEntityDeserializer(this);
_feedDeserializer = new ODataFeedDeserializer(this);
_collectionDeserializer = new ODataCollectionDeserializer(this);
_complexDeserializer = new ODataComplexTypeDeserializer(this);
}
/// <summary>
/// Initializes a new instance of the <see cref="DefaultODataDeserializerProvider"/> class.
/// </summary>
public DefaultODataDeserializerProvider()
{
_actionPayloadDeserializer = new ODataActionPayloadDeserializer(this);
_entityDeserializer = new ODataEntityDeserializer(this);
_feedDeserializer = new ODataFeedDeserializer(this);
_collectionDeserializer = new ODataCollectionDeserializer(this);
_complexDeserializer = new ODataComplexTypeDeserializer(this);
}
public void ReadInline_Throws_ArgumentMustBeOfType()
{
var deserializer = new ODataFeedDeserializer(new DefaultODataDeserializerProvider());
Assert.ThrowsArgument(
() => deserializer.ReadInline(item: 42, edmType: _customersType, readContext: new ODataDeserializerContext()),
"item",
"The argument must be of type 'ODataFeedWithEntries'.");
}
public void ReadFeed_Throws_TypeCannotBeDeserialized()
{
Mock <ODataDeserializerProvider> deserializerProvider = new Mock <ODataDeserializerProvider>();
ODataFeedDeserializer deserializer = new ODataFeedDeserializer(deserializerProvider.Object);
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
ODataDeserializerContext readContext = new ODataDeserializerContext();
deserializerProvider.Setup(p => p.GetEdmTypeDeserializer(_customerType)).Returns <ODataEdmTypeDeserializer>(null);
Assert.Throws <SerializationException>(
() => deserializer.ReadFeed(feedWrapper, _customerType, readContext).GetEnumerator().MoveNext(),
"'System.Web.OData.TestCommon.Models.Customer' cannot be deserialized using the ODataMediaTypeFormatter.");
}
public void ReadFeed_Throws_TypeCannotBeDeserialized()
{
Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
ODataFeedDeserializer deserializer = new ODataFeedDeserializer(deserializerProvider.Object);
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
ODataDeserializerContext readContext = new ODataDeserializerContext();
deserializerProvider.Setup(p => p.GetEdmTypeDeserializer(_customerType)).Returns<ODataEdmTypeDeserializer>(null);
Assert.Throws<SerializationException>(
() => deserializer.ReadFeed(feedWrapper, _customerType, readContext).GetEnumerator().MoveNext(),
"'System.Web.OData.TestCommon.Models.Customer' cannot be deserialized using the ODataMediaTypeFormatter.");
}
public void ReadInline_ReturnsNull_IfItemIsNull()
{
var deserializer = new ODataFeedDeserializer(new DefaultODataDeserializerProvider());
Assert.Null(deserializer.ReadInline(item: null, edmType: _customersType, readContext: new ODataDeserializerContext()));
}
public void ReadFeed_Calls_ReadInlineForEachEntry()
{
// Arrange
Mock<ODataDeserializerProvider> deserializerProvider = new Mock<ODataDeserializerProvider>();
Mock<ODataEdmTypeDeserializer> entityDeserializer = new Mock<ODataEdmTypeDeserializer>(ODataPayloadKind.Entry);
ODataFeedDeserializer deserializer = new ODataFeedDeserializer(deserializerProvider.Object);
ODataFeedWithEntries feedWrapper = new ODataFeedWithEntries(new ODataFeed());
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(new ODataEntry { Id = new Uri("http://a1/") }));
feedWrapper.Entries.Add(new ODataEntryWithNavigationLinks(new ODataEntry { Id = new Uri("http://a2/") }));
ODataDeserializerContext readContext = new ODataDeserializerContext();
deserializerProvider.Setup(p => p.GetEdmTypeDeserializer(_customerType)).Returns(entityDeserializer.Object);
entityDeserializer.Setup(d => d.ReadInline(feedWrapper.Entries[0], _customerType, readContext)).Returns("entry1").Verifiable();
entityDeserializer.Setup(d => d.ReadInline(feedWrapper.Entries[1], _customerType, readContext)).Returns("entry2").Verifiable();
// Act
var result = deserializer.ReadFeed(feedWrapper, _customerType, readContext);
// Assert
Assert.Equal(new[] { "entry1", "entry2" }, result.OfType<String>());
entityDeserializer.Verify();
}
public void ReadInline_ReturnsNull_IfItemIsNull()
{
var deserializer = new ODataFeedDeserializer(new DefaultODataDeserializerProvider());
Assert.Null(deserializer.ReadInline(item: null, edmType: _customersType, readContext: new ODataDeserializerContext()));
}
public override object Read(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext)
{
if (messageReader == null)
{
throw Error.ArgumentNull("messageReader");
}
IEdmAction action = GetAction(readContext);
Contract.Assert(action != null);
// Create the correct resource type;
Dictionary <string, object> payload;
if (type == typeof(ODataActionParameters))
{
payload = new ODataActionParameters();
}
else
{
payload = new ODataUntypedActionParameters(action);
}
ODataParameterReader reader = messageReader.CreateODataParameterReader(action);
while (reader.Read())
{
string parameterName = null;
IEdmOperationParameter parameter = null;
switch (reader.State)
{
case ODataParameterReaderState.Value:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
if (parameter.Type.IsPrimitive())
{
payload[parameterName] = reader.Value;
}
else
{
ODataEdmTypeDeserializer deserializer = DeserializerProvider.GetEdmTypeDeserializer(parameter.Type);
payload[parameterName] = deserializer.ReadInline(reader.Value, parameter.Type, readContext);
}
break;
case ODataParameterReaderState.Collection:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
// ODataLib protects against this but asserting just in case.
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmCollectionTypeReference collectionType = parameter.Type as IEdmCollectionTypeReference;
Contract.Assert(collectionType != null);
ODataCollectionValue value = ODataCollectionDeserializer.ReadCollection(reader.CreateCollectionReader());
ODataCollectionDeserializer collectionDeserializer = (ODataCollectionDeserializer)DeserializerProvider.GetEdmTypeDeserializer(collectionType);
payload[parameterName] = collectionDeserializer.ReadInline(value, collectionType, readContext);
break;
case ODataParameterReaderState.Entry:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmEntityTypeReference entityTypeReference = parameter.Type as IEdmEntityTypeReference;
Contract.Assert(entityTypeReference != null);
ODataReader entryReader = reader.CreateEntryReader();
object item = ODataEntityDeserializer.ReadEntryOrFeed(entryReader);
ODataEntityDeserializer entityDeserializer = (ODataEntityDeserializer)DeserializerProvider.GetEdmTypeDeserializer(entityTypeReference);
payload[parameterName] = entityDeserializer.ReadInline(item, entityTypeReference, readContext);
break;
case ODataParameterReaderState.Feed:
parameterName = reader.Name;
parameter = action.Parameters.SingleOrDefault(p => p.Name == parameterName);
Contract.Assert(parameter != null, String.Format(CultureInfo.InvariantCulture, "Parameter '{0}' not found.", parameterName));
IEdmCollectionTypeReference feedType = parameter.Type as IEdmCollectionTypeReference;
Contract.Assert(feedType != null);
ODataReader feedReader = reader.CreateFeedReader();
object feed = ODataEntityDeserializer.ReadEntryOrFeed(feedReader);
ODataFeedDeserializer feedDeserializer = (ODataFeedDeserializer)DeserializerProvider.GetEdmTypeDeserializer(feedType);
object result = feedDeserializer.ReadInline(feed, feedType, readContext);
IEdmTypeReference elementTypeReference = feedType.ElementType();
Contract.Assert(elementTypeReference.IsEntity());
IEnumerable enumerable = result as IEnumerable;
if (enumerable != null)
{
if (readContext.IsUntyped)
{
EdmEntityObjectCollection entityCollection = new EdmEntityObjectCollection(feedType);
foreach (EdmEntityObject entityObject in enumerable)
{
entityCollection.Add(entityObject);
}
payload[parameterName] = entityCollection;
}
else
{
Type elementClrType = EdmLibHelpers.GetClrType(elementTypeReference, readContext.Model);
IEnumerable castedResult =
_castMethodInfo.MakeGenericMethod(elementClrType)
.Invoke(null, new[] { result }) as IEnumerable;
payload[parameterName] = castedResult;
}
}
break;
}
}
return(payload);
}