private void TestCast <TParam, TReturn>(EntityCollectionNode source, IEdmEntityType cast, Expression <Func <TParam, TReturn> > expectedExpression)
{
var node = new EntityCollectionCastNode(source, cast);
var result = this.testSubject.TranslateNode(node);
CompareExpressions(expectedExpression.Body, result);
}
public void EntityItemTypeIsSameAsItemType()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.EntityItemType.Should().BeSameAs(entityCollectionCastNode.ItemType);
}
public void ItemTypeReturnsEdmEntityTypeReference()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.ItemType.Should().BeOfType <EdmEntityTypeReference>();
}
public void EntitySetComesFromSource()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.NavigationSource.Should().Be(HardCodedTestModel.GetDogsSet());
}
public void KindIsEntityCollectionCastNode()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.InternalKind.Should().Be(InternalQueryNodeKind.EntityCollectionCast);
}
public void ItemTypeReferenceShouldBeCreatedFromConstructorParameter()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.ItemType.Definition.Should().BeSameAs(HardCodedTestModel.GetEmployeeType());
node.ItemType.IsNullable.Should().BeFalse();
}
public void SourceIsSetCorrectly()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.Source.ShouldBeEntitySetQueryNode(HardCodedTestModel.GetDogsSet());
}
/// <summary>
/// Override this method if you want to validate casts on entity collections.
/// </summary>
/// <remarks>
/// This method is intended to be called from method overrides in subclasses. This method also supports unit-testing scenarios and is not intended to be called from user code.
/// Call the Validate method to validate a <see cref="FilterQueryOption"/> instance.
/// </remarks>
/// <param name="entityCollectionCastNode"></param>
/// <param name="settings"></param>
public virtual void ValidateEntityCollectionCastNode(EntityCollectionCastNode entityCollectionCastNode, ODataValidationSettings settings)
{
if (entityCollectionCastNode == null)
{
throw Error.ArgumentNull("entityCollectionCastNode");
}
ValidateQueryNode(entityCollectionCastNode.Source, settings);
}
public void TranslatorShouldRequireProtocolVersionThreeForCollectionTypeSegment()
{
ODataProtocolVersion validatedProtocolVersion = ODataProtocolVersion.V4;
var withVersionCallbacks = this.CreateTestSubject(verifyProtocolVersion: v => { validatedProtocolVersion = v; }, verifyRequestVersion: v => { throw new Exception("Should not be called."); });
QueryNode node = new EntityCollectionCastNode(this.CollectionNavigationFromParameter("o"), this.customerEdmType);
withVersionCallbacks.TranslateNode(node);
validatedProtocolVersion.Should().Be(ODataProtocolVersion.V4);
}
public void TranslatorShouldConvertWeaklyBackedEntityCollectionCast()
{
EntityCollectionNode source = this.CollectionNavigationFromParameter("c");
QueryNode node = new EntityCollectionCastNode(source, this.weaklyBackedCustomerEdmType);
var result = this.testSubject.TranslateNode(node);
var parameterExpression = Expression.Parameter(typeof(Customer), "c");
var propertyExpression = Expression.Property(parameterExpression, "OtherFriends");
var expected = Expression.Call(typeof(DataServiceProviderMethods), "OfType", new[] { typeof(Customer), typeof(object) }, propertyExpression, Expression.Constant(this.weaklyBackedDerivedType));
expected = Expression.Call(typeof(Enumerable), "Cast", new[] { typeof(object) }, expected);
CompareExpressions(expected, result);
}
/// <summary>
/// Writes entity collection cast node to string.
/// </summary>
/// <param name="node">Node to write to string</param>
/// <returns>String representation of node.</returns>
private static string ToString(EntityCollectionCastNode node)
{
if (node != null)
{
return(tabHelper.Prefix + "EntityCollectionCastNode" +
tabHelper.Indent(() =>
tabHelper.Prefix + "Entity Item Type = " + node.EntityItemType +
tabHelper.Prefix + "NavigationSource = " + node.NavigationSource.Name +
tabHelper.Prefix + "Item Type = " + node.ItemType +
tabHelper.Prefix + "Source = " + ToString(node.Source)
));
}
return(String.Empty);
}
/// <summary>
/// Compares collection cast nodes.
/// </summary>
/// <param name="left">Left side of comparison</param>
/// <param name="right">Right side of comparison</param>
/// <returns>True if equal, otherwise false</returns>
private bool Compare(EntityCollectionCastNode left, EntityCollectionCastNode right)
{
if (left.EntityItemType != right.EntityItemType)
{
return(false);
}
if (left.NavigationSource != right.NavigationSource)
{
return(false);
}
if (left.ItemType != right.ItemType)
{
return(false);
}
return(this.Compare(left.Source, right.Source));
}
/// <summary>
/// Compares collection cast nodes.
/// </summary>
/// <param name="left">Left side of comparison</param>
/// <param name="right">Right side of comparison</param>
/// <returns>True if equal, otherwise false</returns>
private bool Compare(EntityCollectionCastNode left, EntityCollectionCastNode right)
{
if (left.EntityItemType != right.EntityItemType) return false;
if (left.NavigationSource != right.NavigationSource) return false;
if (left.ItemType != right.ItemType) return false;
return this.Compare(left.Source, right.Source);
}
public void EntityItemTypeShouldBeSameAsItemType()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.EntityItemType.Should().BeSameAs(node.ItemType);
}
public void CollectionTypeShouldBeCreatedFromItemType()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.CollectionType.FullName().Should().Be("Collection(Fully.Qualified.Namespace.Employee)");
}
public override IEnumerable <string> Visit(EntityCollectionCastNode nodeIn)
{
return(nodeIn.Source.Accept(this));
}
public void CollectionTypeShouldBeCreatedFromItemType()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.CollectionType.FullName().Should().Be("Collection(Fully.Qualified.Namespace.Employee)");
}
public void ItemTypeReferenceShouldBeCreatedFromConstructorParameter()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.ItemType.Definition.Should().BeSameAs(HardCodedTestModel.GetEmployeeType());
node.ItemType.IsNullable.Should().BeFalse();
}
/// <summary>
/// Override this method if you want to validate casts on entity collections.
/// </summary>
/// <remarks>
/// This method is intended to be called from method overrides in subclasses. This method also supports unit-testing scenarios and is not intended to be called from user code.
/// Call the Validate method to validate a <see cref="FilterQueryOption"/> instance.
/// </remarks>
/// <param name="entityCollectionCastNode"></param>
/// <param name="settings"></param>
public virtual void ValidateEntityCollectionCastNode(EntityCollectionCastNode entityCollectionCastNode, ODataValidationSettings settings)
{
if (entityCollectionCastNode == null)
{
throw Error.ArgumentNull("entityCollectionCastNode");
}
ValidateQueryNode(entityCollectionCastNode.Source, settings);
}
/// <summary>
/// Translates a <see cref="EntityCollectionCastNode"/> into a corresponding <see cref="string"/>.
/// </summary>
/// <param name="node">The node to translate.</param>
/// <returns>The translated string of EntityCollectionCastNode.</returns>
public override string Visit(EntityCollectionCastNode node)
{
return(this.TranslatePropertyAccess(node.Source, node.EntityItemType.Definition.ToString()));
}
/// <summary>
/// Writes entity collection cast node to string.
/// </summary>
/// <param name="node">Node to write to string</param>
/// <returns>String representation of node.</returns>
private static string ToString(EntityCollectionCastNode node)
{
if (node != null)
{
return tabHelper.Prefix + "EntityCollectionCastNode" +
tabHelper.Indent(() =>
tabHelper.Prefix + "Entity Item Type = " + node.EntityItemType +
tabHelper.Prefix + "NavigationSource = " + node.NavigationSource.Name +
tabHelper.Prefix + "Item Type = " + node.ItemType +
tabHelper.Prefix + "Source = " + ToString(node.Source)
);
}
return String.Empty;
}
public void EntitySetComesFromSource()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.NavigationSource.Should().Be(HardCodedTestModel.GetDogsSet());
}
public void ItemTypeReturnsEdmEntityTypeReference()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.ItemType.Should().BeOfType<EdmEntityTypeReference>();
}
public void EntityItemTypeShouldBeSameAsItemType()
{
var node = new EntityCollectionCastNode(fakeSource, HardCodedTestModel.GetEmployeeType());
node.EntityItemType.Should().BeSameAs(node.ItemType);
}
/// <summary>
/// Visit an EntityCollectionCastNode
/// </summary>
/// <param name="nodeIn">the node to visit</param>
/// <returns>Defined by the implementer</returns>
public virtual T Visit(EntityCollectionCastNode nodeIn)
{
throw new NotImplementedException();
}
public void SourceIsSetCorrectly()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.Source.ShouldBeEntitySetQueryNode(HardCodedTestModel.GetDogsSet());
}
/// <summary>
/// Translate an EntityCollectionCastNode.
/// </summary>
/// <param name="nodeIn">The node to be translated.</param>
/// <returns>The translated node.</returns>
public override QueryNode Visit(EntityCollectionCastNode nodeIn)
{
return(new EntityCollectionCastNode(
(EntityCollectionNode)nodeIn.Source.Accept(this),
(IEdmEntityType)nodeIn.ItemType.Definition));
}
public void EntityItemTypeIsSameAsItemType()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.EntityItemType.Should().BeSameAs(entityCollectionCastNode.ItemType);
}
/// <summary>
/// Visit an EntityCollectionCastNode
/// </summary>
/// <param name="nodeIn">The node to visit</param>
/// <returns>The translated expression</returns>
public override Expression Visit(EntityCollectionCastNode nodeIn)
{
throw new NotImplementedException();
}
public void KindIsEntityCollectionCastNode()
{
EntitySetNode source = new EntitySetNode(HardCodedTestModel.GetDogsSet());
EntityCollectionCastNode entityCollectionCastNode = new EntityCollectionCastNode(source, HardCodedTestModel.GetDogType());
entityCollectionCastNode.InternalKind.Should().Be(InternalQueryNodeKind.EntityCollectionCast);
}
/// <summary>
/// Translates a <see cref="EntityCollectionCastNode"/> into a corresponding <see cref="String"/>.
/// </summary>
/// <param name="node">The node to translate.</param>
/// <returns>The translated String of EntityCollectionCastNode.</returns>
public override String Visit(EntityCollectionCastNode node)
{
ExceptionUtils.CheckArgumentNotNull(node, "node");
return(this.TranslatePropertyAccess(node.Source, node.EntityItemType.Definition.ToString()));
}
