public void ParseBadComputeWithMissingAlias()
{
Uri url = new Uri("http://host/Paintings?$compute=nonsense as");
ODataUriParser parser = new ODataUriParser(HardCodedTestModel.TestModel, ServiceRoot, url);
Action action = () => parser.ParseCompute();
action.ShouldThrow <ArgumentNullException>().WithMessage("Value cannot be null or empty.\r\nParameter name: alias");
}
public void ParseBadComputeWithMissingAs()
{
Uri url = new Uri("http://host/Paintings?$compute=nonsense");
ODataUriParser parser = new ODataUriParser(HardCodedTestModel.TestModel, ServiceRoot, url);
Action action = () => parser.ParseCompute();
action.ShouldThrow <ODataException>().WithMessage(ODataErrorStrings.UriQueryExpressionParser_AsExpected(8, "nonsense"));
}
public void ParseComputeAsQueryOption()
{
// Create model
EdmModel model = new EdmModel();
EdmEntityType elementType = model.AddEntityType("DevHarness", "Entity");
EdmTypeReference typeReference = new EdmStringTypeReference(EdmCoreModel.Instance.GetPrimitiveType(EdmPrimitiveTypeKind.String), false);
elementType.AddProperty(new EdmStructuralProperty(elementType, "Prop1", typeReference));
EdmEntityContainer container = model.AddEntityContainer("Default", "Container");
container.AddEntitySet("Entities", elementType);
// Define queries and new up parser.
Uri root = new Uri("http://host");
Uri url = new Uri("http://host/Entities?$compute=cast(Prop1, 'Edm.String') as Property1AsString, tolower(Prop1) as Property1Lower");
ODataUriParser parser = new ODataUriParser(model, root, url);
// parse and validate
ComputeClause clause = parser.ParseCompute();
List <ComputeExpression> items = clause.ComputedItems.ToList();
items.Count().Should().Be(2);
items[0].Alias.ShouldBeEquivalentTo("Property1AsString");
items[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
items[1].Alias.ShouldBeEquivalentTo("Property1Lower");
items[1].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[1].Expression.TypeReference.FullName().ShouldBeEquivalentTo("Edm.String");
items[1].Expression.TypeReference.IsNullable.ShouldBeEquivalentTo(true); // tolower is built in function that allows nulls.
ComputeExpression copy = new ComputeExpression(items[0].Expression, items[0].Alias, null);
copy.Expression.Should().NotBeNull();
copy.TypeReference.Should().BeNull();
ComputeClause varied = new ComputeClause(null);
}
public void ParseComputeAsLevel2ExpandQueryOption()
{
// Create model
EdmModel model = new EdmModel();
EdmEntityType elementType = model.AddEntityType("DevHarness", "Entity");
EdmEntityType targetType = model.AddEntityType("DevHarness", "Navigation");
EdmEntityType subTargetType = model.AddEntityType("DevHarness", "SubNavigation");
EdmTypeReference typeReference = new EdmStringTypeReference(EdmCoreModel.Instance.GetPrimitiveType(EdmPrimitiveTypeKind.String), false);
elementType.AddProperty(new EdmStructuralProperty(elementType, "Prop1", typeReference));
targetType.AddProperty(new EdmStructuralProperty(targetType, "Prop1", typeReference));
subTargetType.AddProperty(new EdmStructuralProperty(subTargetType, "Prop1", typeReference));
EdmNavigationPropertyInfo propertyInfo = new EdmNavigationPropertyInfo();
propertyInfo.Name = "Nav1";
propertyInfo.Target = targetType;
propertyInfo.TargetMultiplicity = EdmMultiplicity.One;
EdmProperty navigation = EdmNavigationProperty.CreateNavigationProperty(elementType, propertyInfo);
elementType.AddProperty(navigation);
EdmNavigationPropertyInfo subPropertyInfo = new EdmNavigationPropertyInfo();
subPropertyInfo.Name = "SubNav1";
subPropertyInfo.Target = subTargetType;
subPropertyInfo.TargetMultiplicity = EdmMultiplicity.One;
EdmProperty subnavigation = EdmNavigationProperty.CreateNavigationProperty(targetType, subPropertyInfo);
targetType.AddProperty(subnavigation);
EdmEntityContainer container = model.AddEntityContainer("Default", "Container");
container.AddEntitySet("Entities", elementType);
// Define queries and new up parser.
string address = "http://host/Entities?$compute=cast(Prop1, 'Edm.String') as Property1AsString, tolower(Prop1) as Property1Lower&" +
"$expand=Nav1($compute=cast(Prop1, 'Edm.String') as NavProperty1AsString;" +
"$expand=SubNav1($compute=cast(Prop1, 'Edm.String') as SubNavProperty1AsString))";
Uri root = new Uri("http://host");
Uri url = new Uri(address);
ODataUriParser parser = new ODataUriParser(model, root, url);
// parse
ComputeClause computeClause = parser.ParseCompute();
SelectExpandClause selectClause = parser.ParseSelectAndExpand();
// validate top compute
List <ComputeExpression> items = computeClause.ComputedItems.ToList();
items.Count().Should().Be(2);
items[0].Alias.ShouldBeEquivalentTo("Property1AsString");
items[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
items[1].Alias.ShouldBeEquivalentTo("Property1Lower");
items[1].Expression.ShouldBeSingleValueFunctionCallQueryNode();
items[1].Expression.TypeReference.FullName().ShouldBeEquivalentTo("Edm.String");
items[1].Expression.TypeReference.IsNullable.ShouldBeEquivalentTo(true); // tolower is built in function that allows nulls.
// validate level 1 expand compute
List <SelectItem> selectItems = selectClause.SelectedItems.ToList();
selectItems.Count.Should().Be(1);
ExpandedNavigationSelectItem expanded = selectItems[0] as ExpandedNavigationSelectItem;
List <ComputeExpression> computes = expanded.ComputeOption.ComputedItems.ToList();
computes.Count.Should().Be(1);
computes[0].Alias.ShouldBeEquivalentTo("NavProperty1AsString");
computes[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
computes[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
// validate level 2 expand compute
List <SelectItem> subSelectItems = expanded.SelectAndExpand.SelectedItems.ToList();
subSelectItems.Count.Should().Be(1);
ExpandedNavigationSelectItem subExpanded = subSelectItems[0] as ExpandedNavigationSelectItem;
List <ComputeExpression> subComputes = subExpanded.ComputeOption.ComputedItems.ToList();
subComputes.Count.Should().Be(1);
subComputes[0].Alias.ShouldBeEquivalentTo("SubNavProperty1AsString");
subComputes[0].Expression.ShouldBeSingleValueFunctionCallQueryNode();
subComputes[0].Expression.TypeReference.ShouldBeEquivalentTo(typeReference);
}
