/// <summary>
/// Constructor.
/// </summary>
/// <param name="collectionReader">The reader to wrap.</param>
/// <param name="testConfiguration">The test configuration to use.</param>
public ODataCollectionReaderTestWrapper(ODataCollectionReader collectionReader, ReaderTestConfiguration testConfiguration)
{
ExceptionUtilities.CheckArgumentNotNull(collectionReader, "collectionReader");
ExceptionUtilities.CheckArgumentNotNull(testConfiguration, "testConfiguration");
this.collectionReader = collectionReader;
this.testConfiguration = testConfiguration;
}
private ODataResponse ReadResponse(ODataCollectionReader odataReader)
{
var collection = new List<object>();
while (odataReader.Read())
{
if (odataReader.State == ODataCollectionReaderState.Completed)
break;
switch (odataReader.State)
{
case ODataCollectionReaderState.CollectionStart:
break;
case ODataCollectionReaderState.Value:
collection.Add(GetPropertyValue(odataReader.Item));
break;
case ODataCollectionReaderState.CollectionEnd:
break;
}
}
return ODataResponse.FromCollection(collection);
}
internal static ODataCollectionValue ReadCollection(ODataCollectionReader reader)
{
ArrayList items = new ArrayList();
string typeName = null;
while (reader.Read())
{
if (ODataCollectionReaderState.Value == reader.State)
{
items.Add(reader.Item);
}
else if (ODataCollectionReaderState.CollectionStart == reader.State)
{
typeName = reader.Item.ToString();
}
}
return new ODataCollectionValue { Items = items, TypeName = typeName };
}
public static ODataCollectionValue ReadCollectionParameterValue(ODataCollectionReader collectionReader)
{
List<object> collectionItems = new List<object>();
while (collectionReader.Read())
{
if (collectionReader.State == ODataCollectionReaderState.Completed)
{
break;
}
if (collectionReader.State == ODataCollectionReaderState.Value)
{
collectionItems.Add(collectionReader.Item);
}
}
ODataCollectionValue result = new ODataCollectionValue();
result.Items = collectionItems;
return result;
}
/// <summary>
/// Read a collection as the message content.
/// </summary>
/// <param name="collectionReader">The collection reader to use for reading.</param>
/// <returns>An <see cref="ODataCollectionStart"/>, possibly with annotations.</returns>
public object ReadCollection(ODataCollectionReader collectionReader)
{
try
{
// read the start of the collection
collectionReader.Read();
this.assert.AreEqual(ODataCollectionReaderState.CollectionStart, collectionReader.State, "Reader states don't match.");
// NOTE: collection names are only present in ATOM; for JSON the name will be 'null'
ODataCollectionStart collectionStart = (ODataCollectionStart)collectionReader.Item;
ODataCollectionItemsObjectModelAnnotation itemsAnnotation = new ODataCollectionItemsObjectModelAnnotation();
while (collectionReader.Read())
{
if (collectionReader.State == ODataCollectionReaderState.Value)
{
object item = collectionReader.Item;
itemsAnnotation.Add(item);
}
else
{
break;
}
}
this.assert.AreEqual(ODataCollectionReaderState.CollectionEnd, collectionReader.State, "Reader states don't match.");
collectionReader.Read();
this.assert.AreEqual(ODataCollectionReaderState.Completed, collectionReader.State, "Reader states don't match.");
// attach the items to the collection and return it
collectionStart.SetAnnotation(itemsAnnotation);
return collectionStart;
}
catch (Exception e)
{
if (ExceptionUtilities.IsCatchable(e))
{
this.assert.AreEqual(ODataCollectionReaderState.Exception, collectionReader.State, "Expected the reader to be in 'Exception' state.");
}
throw;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NonEntityItemsEnumerable"/> class.
/// </summary>
/// <param name="collectionReader">The collection reader.</param>
internal NonEntityItemsEnumerable(ODataCollectionReader collectionReader)
{
this.collectionReader = collectionReader;
}
/// <summary>
/// Reads the items from a collection and return it as an ODataCollectionValue.
/// </summary>
/// <param name="collectionReader">Collection reader to read from.</param>
/// <returns>An ODataCollectionValue instance containing all items in the collection.</returns>
private static ODataCollectionValue ReadCollectionParameterValue(ODataCollectionReader collectionReader)
{
Debug.Assert(collectionReader != null, "collectionReader != null");
Debug.Assert(collectionReader.State == ODataCollectionReaderState.Start, "The collection reader should not have been used.");
List<object> collectionItems = new List<object>();
while (collectionReader.Read())
{
if (collectionReader.State == ODataCollectionReaderState.Completed)
{
break;
}
switch (collectionReader.State)
{
case ODataCollectionReaderState.CollectionStart:
case ODataCollectionReaderState.CollectionEnd:
break;
case ODataCollectionReaderState.Value:
collectionItems.Add(collectionReader.Item);
break;
default:
Debug.Assert(false, "Unreachable code path in ReadCollectionParameterValue().");
throw new InvalidOperationException(Microsoft.OData.Service.Strings.DataServiceException_GeneralError);
}
}
ODataCollectionValue result = new ODataCollectionValue();
result.Items = collectionItems;
return result;
}
