public void CreateNamedPropertyExpression_WithMultipleProperty_ReturnsMemberAccessExpression(HandleNullPropagationOption options)
{
SelectExpandBinder binder = GetBinder <Customer>(_model, options);
//Expression customer = Expression.Parameter(typeof(Customer)); output will be different.
Expression customer = Expression.Constant(new Customer());
IEdmStructuralProperty homeLocationProperty = _customer.StructuralProperties().Single(c => c.Name == "HomeLocation");
IEdmStructuralProperty streetProperty = _address.StructuralProperties().Single(c => c.Name == "Street");
ODataSelectPath selectPath = new ODataSelectPath(new PropertySegment(homeLocationProperty),
new PropertySegment(streetProperty));
PathSelectItem pathSelectItem = new PathSelectItem(selectPath);
NamedPropertyExpression namedProperty = binder.CreateNamedPropertyExpression(customer, _customer, pathSelectItem);
Assert.NotNull(namedProperty);
/*
* Assert.NotNull(namedProperty);
* Assert.Equal("\"VipAddress\"", namedProperty.Name.ToString());
*
* if (options != HandleNullPropagationOption.True)
* {
* Assert.Equal("(value(NS.Customer) As VipCustomer).VipAddress", namedProperty.Value.ToString());
* }
* else
* {
* Assert.Equal("IIF(((value(NS.Customer) As VipCustomer) == null)," +
* " null," +
* " (value(NS.Customer) As VipCustomer).VipAddress)", namedProperty.Value.ToString());
* }*/
}
public void CreateNamedPropertyExpression_WithDerivedProperty_ReturnsMemberAccessExpression(HandleNullPropagationOption options)
{
SelectExpandBinder binder = GetBinder <Customer>(_model, options);
//Expression customer = Expression.Parameter(typeof(Customer)); output will be different.
Expression customer = Expression.Constant(new Customer());
IEdmStructuralProperty vipAddressProperty = _vipCustomer.StructuralProperties().Single(c => c.Name == "VipAddress");
ODataSelectPath selectPath = new ODataSelectPath(new TypeSegment(_vipCustomer, _customer, null),
new PropertySegment(vipAddressProperty));
PathSelectItem pathSelectItem = new PathSelectItem(selectPath);
NamedPropertyExpression namedProperty = binder.CreateNamedPropertyExpression(customer, _customer, pathSelectItem);
Assert.NotNull(namedProperty);
Assert.Equal("\"VipAddress\"", namedProperty.Name.ToString());
if (options != HandleNullPropagationOption.True)
{
Assert.Equal("(value(NS.Customer) As VipCustomer).VipAddress", namedProperty.Value.ToString());
}
else
{
Assert.Equal("IIF(((value(NS.Customer) As VipCustomer) == null)," +
" null," +
" (value(NS.Customer) As VipCustomer).VipAddress)", namedProperty.Value.ToString());
}
}
public void CreateNamedPropertyExpression_NonDerivedProperty_ReturnsMemberAccessExpression(HandleNullPropagationOption options)
{
SelectExpandBinder binder = GetBinder <Customer>(_model, options);
Expression customer = Expression.Constant(new Customer());
IEdmStructuralProperty homeAddressProperty = _customer.StructuralProperties().Single(c => c.Name == "HomeLocation");
ODataSelectPath selectPath = new ODataSelectPath(new PropertySegment(homeAddressProperty));
PathSelectItem pathSelectItem = new PathSelectItem(selectPath);
NamedPropertyExpression namedProperty = binder.CreateNamedPropertyExpression(customer, _customer, pathSelectItem);
Assert.NotNull(namedProperty);
Assert.Equal("\"HomeLocation\"", namedProperty.Name.ToString());
if (options != HandleNullPropagationOption.True)
{
Assert.Equal("value(NS.Customer).HomeLocation", namedProperty.Value.ToString());
}
else
{
Assert.Equal("IIF((value(NS.Customer) == null)," +
" null," +
" value(NS.Customer).HomeLocation)", namedProperty.Value.ToString());
}
}
public void CreateNamedPropertyExpression_WithMultiplePropertyAndType_ReturnsMemberAccessExpression(HandleNullPropagationOption options)
{
SelectExpandBinder binder = GetBinder <Customer>(_model, options);
Expression customer = Expression.Parameter(typeof(Customer)); // output will be different.
// Expression customer = Expression.Constant(new Customer());
SelectExpandClause selectExpandClause = ParseSelectExpand("HomeLocation/NS.CnAddress/Street", null);
PathSelectItem pathSelectItem = selectExpandClause.SelectedItems.First() as PathSelectItem;
NamedPropertyExpression namedProperty = binder.CreateNamedPropertyExpression(customer, _customer, pathSelectItem);
Assert.NotNull(namedProperty);
/*
* Assert.NotNull(namedProperty);
* Assert.Equal("\"VipAddress\"", namedProperty.Name.ToString());
*
* if (options != HandleNullPropagationOption.True)
* {
* Assert.Equal("(value(NS.Customer) As VipCustomer).VipAddress", namedProperty.Value.ToString());
* }
* else
* {
* Assert.Equal("IIF(((value(NS.Customer) As VipCustomer) == null)," +
* " null," +
* " (value(NS.Customer) As VipCustomer).VipAddress)", namedProperty.Value.ToString());
* }*/
}
public void CreatePropertyContainer_WithNullPropertyName_DoesntIncludeTheProperty()
{
// Arrange
Expression propertyName = Expression.Constant(null, typeof(string));
Expression propertyValue = Expression.Constant(new TestEntity());
NamedPropertyExpression property = new NamedPropertyExpression(propertyName, propertyValue);
var properties = new[] { property, property };
// Act
Expression containerExpression = PropertyContainer.CreatePropertyContainer(properties);
// Assert
PropertyContainer container = ToContainer(containerExpression);
Assert.Empty(container.ToDictionary(new IdentityPropertyMapper(), includeAutoSelected: true));
}
public void ToDictionary_Throws_IfMappingFunctionReturns_NullOrEmpty(string mappedName)
{
// Arrange
IList <NamedPropertyExpression> properties = new NamedPropertyExpression[]
{
new NamedPropertyExpression(name: Expression.Constant("PropA"), value: Expression.Constant(3))
};
Expression containerExpression = PropertyContainer.CreatePropertyContainer(properties);
PropertyContainer container = ToContainer(containerExpression);
Mock <IPropertyMapper> mapperMock = new Mock <IPropertyMapper>();
mapperMock.Setup(m => m.MapProperty("PropA")).Returns(mappedName);
// Act & Assert
ExceptionAssert.Throws <InvalidOperationException>(() =>
container.ToDictionary(mapperMock.Object), "The key mapping for the property 'PropA' can't be null or empty.");
}
public void ToDictionary_AppliesMappingToAllProperties()
{
// Arrange
IList <NamedPropertyExpression> properties = new NamedPropertyExpression[]
{
new NamedPropertyExpression(name: Expression.Constant("PropA"), value: Expression.Constant(3)),
new NamedPropertyExpression(name: Expression.Constant("PropB"), value: Expression.Constant(6))
};
Expression containerExpression = PropertyContainer.CreatePropertyContainer(properties);
PropertyContainer container = ToContainer(containerExpression);
Mock <IPropertyMapper> mapperMock = new Mock <IPropertyMapper>();
mapperMock.Setup(m => m.MapProperty("PropA")).Returns("PropertyA");
mapperMock.Setup(m => m.MapProperty("PropB")).Returns("PropB");
//Act
IDictionary <string, object> result = container.ToDictionary(mapperMock.Object);
//Assert
Assert.NotNull(result);
Assert.True(result.ContainsKey("PropertyA"));
Assert.True(result.ContainsKey("PropB"));
}