public void SingleExpandResultsInSingleExpandTree()
{
SelectExpandPathToStringVisitor visitor = new SelectExpandPathToStringVisitor();
NonSystemToken path = new NonSystemToken("NavProp", null, null);
path.IsStructuralProperty = false;
path.Accept(visitor).Should().Be("NavProp");
}
public void IsNamespaceOrContainerQualifiedIsCorrect()
{
NonSystemToken token1 = new NonSystemToken("Fully.Qualified.Namespace", null, null);
token1.IsNamespaceOrContainerQualified().Should().BeTrue();
NonSystemToken token2 = new NonSystemToken("namespace", null, null);
token2.IsNamespaceOrContainerQualified().Should().BeFalse();
}
public void MaxRecursiveDepthIsRespected()
{
NonSystemToken typeSegment = new NonSystemToken("Fully.Qualified.Namespace.Employee", null, new NonSystemToken("Fully.Qualified.Namespace.Manager", null, new NonSystemToken("NumberOfReports", null, null)));
PathSegmentToken firstNonTypeToken;
IEdmStructuredType entityType = HardCodedTestModel.GetPersonType();
Action followLongChain = () => SelectExpandPathBinder.FollowTypeSegments(typeSegment, HardCodedTestModel.TestModel, 1, ODataUriResolver.Default, ref entityType, out firstNonTypeToken);
followLongChain.ShouldThrow<ODataException>().WithMessage(ODataErrorStrings.ExpandItemBinder_PathTooDeep);
}
public void InvalidTypeSegmentThrowsException()
{
NonSystemToken typeSegment = new NonSystemToken("Stuff", null, new NonSystemToken("stuff", null, null));
PathSegmentToken firstNonTypeToken;
IEdmStructuredType entityType = HardCodedTestModel.GetPersonType();
Action followInvalidTypeSegment = () => SelectExpandPathBinder.FollowTypeSegments(typeSegment, HardCodedTestModel.TestModel, 800, ODataUriResolver.Default, ref entityType, out firstNonTypeToken);
followInvalidTypeSegment.ShouldThrow<ODataException>().WithMessage(ODataErrorStrings.SelectExpandPathBinder_FollowNonTypeSegment("Stuff"));
}
public void PathWithoutWildcardIsInvariant()
{
RemoveWildcardVisitor visitor = new RemoveWildcardVisitor();
NonSystemToken token = new NonSystemToken("stuff", null, null);
token.Accept(visitor);
token.Identifier.Should().Be("stuff");
token.NextToken.Should().BeNull();
}
public void NamedValuesSetCorrectly()
{
List<NamedValue> namedValues = new List<NamedValue>();
namedValues.Add(new NamedValue("name", new LiteralToken("value")));
NonSystemToken token = new NonSystemToken("stuff", namedValues, null);
token.NamedValues.Should().OnlyContain(x => x.Name == "name" && x.Value.Value.As<string>() == "value");
}
public void ReversePathWorksWithStarToken()
{
// $expand=1/*
PathReverser pathReverser = new PathReverser();
PathSegmentToken nonReversedPath = new NonSystemToken("*", null, new NonSystemToken("1", null, null));
PathSegmentToken reversedPath = nonReversedPath.Accept(pathReverser);
reversedPath.ShouldBeNonSystemToken("1").And.NextToken.ShouldBeNonSystemToken("*");
}
public void ExpandOnlyPathResultsInExpandOnlyTree()
{
SelectExpandPathToStringVisitor visitor = new SelectExpandPathToStringVisitor();
NonSystemToken path = new NonSystemToken("NavProp", null, new NonSystemToken("NavProp1", null, null));
path.IsStructuralProperty = false;
path.NextToken.IsStructuralProperty = false;
path.Accept(visitor).Should().Be("NavProp($expand=NavProp1)");
}
public void SelectAtTheEndOfPathResultsInSelectQueryOption()
{
SelectExpandPathToStringVisitor visitor = new SelectExpandPathToStringVisitor();
NonSystemToken path = new NonSystemToken("NavProp", null, new NonSystemToken("StructuralProp", null, null));
path.IsStructuralProperty = false;
path.NextToken.IsStructuralProperty = true;
path.Accept(visitor).Should().Be("NavProp($select=StructuralProp)");
}
public void ReversePathWorksWithSingleSegment()
{
// $expand=1
PathReverser pathReverser = new PathReverser();
PathSegmentToken nonReversedPath = new NonSystemToken("1", null, null);
PathSegmentToken reversedPath = nonReversedPath.Accept(pathReverser);
reversedPath.ShouldBeNonSystemToken("1").And.NextToken.Should().BeNull();
}
public void ReversePathWorksWithATypeToken()
{
// $expand=Fully.Qualified.Namespace/1
PathReverser pathReverser = new PathReverser();
PathSegmentToken nonReversedPath = new NonSystemToken("1", null, new NonSystemToken("Fully.Qualified.Namespace", null, null));
PathSegmentToken reversedPath = nonReversedPath.Accept(pathReverser);
reversedPath.ShouldBeNonSystemToken("Fully.Qualified.Namespace").And.NextToken.ShouldBeNonSystemToken("1");
}
public void IfNewTokenIsNullInputIsInvariant()
{
AddNewEndingTokenVisitor visitor = new AddNewEndingTokenVisitor(null);
NonSystemToken token = new NonSystemToken("stuff", null, null);
token.Accept(visitor);
token.Identifier.Should().Be("stuff");
token.NextToken.Should().BeNull();
}
public void WildcardIsRemoved()
{
RemoveWildcardVisitor visitor = new RemoveWildcardVisitor();
NonSystemToken token = new NonSystemToken("stuff", null, new NonSystemToken("*", null, null));
token.Accept(visitor);
token.Identifier.Should().Be("stuff");
token.NextToken.Should().BeNull();
}
public void ExpandTermTokenPathIsSet()
{
PathSegmentToken pathToken = new NonSystemToken("SomeNavProp", null, null);
ExpandOptionParser optionParser = new ExpandOptionParser(5);
var termToken = optionParser.BuildExpandTermToken(pathToken, "");
termToken.PathToNavProp.Should().Be(pathToken);
}
public void IfNewTokenIsPresentItIsAddedToEndOfPath()
{
AddNewEndingTokenVisitor visitor = new AddNewEndingTokenVisitor(new NonSystemToken("moreStuff", null, null));
NonSystemToken token = new NonSystemToken("stuff", null, null);
token.Accept(visitor);
token.Identifier.Should().Be("stuff");
token.NextToken.Identifier.Should().Be("moreStuff");
token.NextToken.NextToken.Should().BeNull();
}
public void BindingOnTreeWithWithMultipleNavPropPathsThrows()
{
NonSystemToken topLevelSegment = new NonSystemToken("MyDog", null, null);
NonSystemToken navProp = new NonSystemToken("MyPeople", null, topLevelSegment);
ExpandTermToken expandTerm = new ExpandTermToken(navProp);
ExpandToken expandToken = new ExpandToken(new ExpandTermToken[] {expandTerm});
Action bindTreeWithMultipleNavPropPaths = () => this.binderForPerson.Bind(BuildUnifiedSelectExpandToken(expandToken));
bindTreeWithMultipleNavPropPaths.ShouldThrow<ODataException>()
.WithMessage(ODataErrorStrings.ExpandItemBinder_TraversingMultipleNavPropsInTheSamePath);
}
public void SingleLevelTypeSegmentWorks()
{
NonSystemToken typeSegment = new NonSystemToken("Fully.Qualified.Namespace.Employee", null, new NonSystemToken("WorkEmail", null, null));
PathSegmentToken firstNonTypeToken;
IEdmStructuredType entityType = HardCodedTestModel.GetPersonType();
var result = SelectExpandPathBinder.FollowTypeSegments(typeSegment, HardCodedTestModel.TestModel, 800, ODataUriResolver.Default, ref entityType, out firstNonTypeToken);
result.Should().OnlyContain(x => x.Equals(new TypeSegment(HardCodedTestModel.GetEmployeeType(), null)));
entityType.Should().Be(HardCodedTestModel.GetEmployeeType());
firstNonTypeToken.ShouldBeNonSystemToken("WorkEmail");
}
public void ReversePathWorksWithDeepPath()
{
// $expand=1/2/3/4
PathReverser pathReverser = new PathReverser();
NonSystemToken endPath = new NonSystemToken("4", null, new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null))));
PathSegmentToken reversedPath = endPath.Accept(pathReverser);
reversedPath.ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3")
.And.NextToken.ShouldBeNonSystemToken("4");
}
public void NormalizeTreeResultsInReversedPath()
{
// $select=1/2/3
NonSystemToken endPath = new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null)));
SelectToken selectToken = new SelectToken(new NonSystemToken[]{endPath});
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
SelectToken normalizedToken = selectTreeNormalizer.NormalizeSelectTree(selectToken);
normalizedToken.Properties.Single().ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3");
}
public void DeepPath()
{
NonSystemToken typeSegment = new NonSystemToken("Fully.Qualified.Namespace.Employee", null, new NonSystemToken("Fully.Qualified.Namespace.Manager", null, new NonSystemToken("NumberOfReports", null, null)));
PathSegmentToken firstNonTypeToken;
IEdmStructuredType entityType = HardCodedTestModel.GetPersonType();
var result = SelectExpandPathBinder.FollowTypeSegments(typeSegment, HardCodedTestModel.TestModel, 800, ODataUriResolver.Default, ref entityType, out firstNonTypeToken);
result.Should().Contain(x => x.As<TypeSegment>().EdmType == HardCodedTestModel.GetEmployeeType())
.And.Contain(x => x.As<TypeSegment>().EdmType == HardCodedTestModel.GetManagerType());
entityType.Should().Be(HardCodedTestModel.GetManagerType());
firstNonTypeToken.ShouldBeNonSystemToken("NumberOfReports");
}
/// <summary>
/// Traverse a NonSystemToken.
/// </summary>
/// <param name="tokenIn">The NonSystemToken to traverse.</param>
public void Visit(NonSystemToken tokenIn)
{
if (tokenIn.NextToken == null)
{
if (newTokenToAdd != null)
{
tokenIn.SetNextToken(newTokenToAdd);
}
}
else
{
tokenIn.NextToken.Accept(this);
}
}
public void CombineTermsWorksForMultipleTerms()
{
// $expand=1($expand=2), 1($expand=3)
List<ExpandTermToken> expandTerms = new List<ExpandTermToken>();
var token2 = new NonSystemToken("2", null, null);
var token3 = new NonSystemToken("3", null, null);
expandTerms.Add(new ExpandTermToken(new NonSystemToken("1", /*namedValues*/null, /*nextToken*/null), /*SelectToken*/null, new ExpandToken(new List<ExpandTermToken>() { new ExpandTermToken(token2) })));
expandTerms.Add(new ExpandTermToken(new NonSystemToken("1", /*namedValues*/null, /*nextToken*/null), /*SelectToken*/null, new ExpandToken(new List<ExpandTermToken>() { new ExpandTermToken(token3) })));
ExpandToken expand = new ExpandToken(expandTerms);
ExpandTreeNormalizer expandTreeNormalizer = new ExpandTreeNormalizer();
ExpandToken combinedExpand = expandTreeNormalizer.CombineTerms(expand);
combinedExpand.ExpandTerms.Single().ShouldBeExpandTermToken("1", true);
combinedExpand.ExpandTerms.ElementAt(0).ExpandOption.ExpandTerms.Should().Contain(t => t.PathToNavProp == token2);
combinedExpand.ExpandTerms.ElementAt(0).ExpandOption.ExpandTerms.Should().Contain(t => t.PathToNavProp == token3);
}
/// <summary>
/// Visit a NonSystemToken
/// </summary>
/// <param name="tokenIn">the non sytem token to visit</param>
public override void Visit(NonSystemToken tokenIn)
{
ExceptionUtils.CheckArgumentNotNull(tokenIn, "tokenIn");
// before looking for type segments or paths, handle both of the wildcard cases.
if (tokenIn.NextToken == null)
{
SelectItem newSelectItem;
if (SelectPathSegmentTokenBinder.TryBindAsWildcard(tokenIn, this.model, out newSelectItem))
{
this.expandClauseToDecorate.AddToSelectedItems(newSelectItem);
return;
}
}
this.ProcessTokenAsPath(tokenIn);
}
public void NormalizeTreeWorksForMultipleTerms()
{
// $select=1/2/3,4/5/6
NonSystemToken endPath = new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null)));
NonSystemToken endPath1 = new NonSystemToken("6", null, new NonSystemToken("5", null, new NonSystemToken("4", null, null)));
SelectToken selectToken = new SelectToken(new NonSystemToken[]{endPath, endPath1});
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
SelectToken normalizedToken = selectTreeNormalizer.NormalizeSelectTree(selectToken);
List<PathSegmentToken> tokens = normalizedToken.Properties.ToList();
tokens.Should().HaveCount(2);
tokens.ElementAt(0).ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3");
tokens.ElementAt(1).ShouldBeNonSystemToken("4")
.And.NextToken.ShouldBeNonSystemToken("5")
.And.NextToken.ShouldBeNonSystemToken("6");
}
/// <summary>
/// Translate a NonSystemToken.
/// </summary>
/// <param name="tokenIn">The NonSystemToken to translate.</param>
public void Visit(NonSystemToken tokenIn)
{
if (tokenIn.Identifier != UriHelper.ASTERISK.ToString())
{
if (tokenIn.NextToken == null)
{
return;
}
previous = tokenIn;
tokenIn.NextToken.Accept(this);
}
else
{
previous.SetNextToken(null);
return;
}
}
public void NormalizeTreeWorksForMultipleTerms()
{
// $select=1/2/3,4/5/6
NonSystemToken endPath = new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null)));
NonSystemToken endPath1 = new NonSystemToken("6", null, new NonSystemToken("5", null, new NonSystemToken("4", null, null)));
SelectToken selectToken = new SelectToken(new NonSystemToken[] { endPath, endPath1 });
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
SelectToken normalizedToken = selectTreeNormalizer.NormalizeSelectTree(selectToken);
List <PathSegmentToken> tokens = normalizedToken.Properties.ToList();
tokens.Should().HaveCount(2);
tokens.ElementAt(0).ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3");
tokens.ElementAt(1).ShouldBeNonSystemToken("4")
.And.NextToken.ShouldBeNonSystemToken("5")
.And.NextToken.ShouldBeNonSystemToken("6");
}
/// <summary>
/// Translate a NonSystemToken.
/// </summary>
/// <param name="tokenIn">The NonSystemToken to translate.</param>
public void Visit(NonSystemToken tokenIn)
{
if (tokenIn.Identifier != UriHelper.ASTERISK.ToString())
{
if (tokenIn.NextToken == null)
{
return;
}
previous = tokenIn;
tokenIn.NextToken.Accept(this);
}
else
{
previous.SetNextToken(null);
return;
}
}
/// <summary>
/// Appends a name of a property/link/type to the current expand path.
/// </summary>
/// <param name="name">name of the property/link/type which needs to be added to the expand path.</param>
/// <param name="isStructural">is this a structural property.</param>
private void AppendToExpandPath(string name, bool isStructural)
{
PathSegmentToken path = this.expandPaths.LastOrDefault();
NonSystemToken newToken = new NonSystemToken(name, /*namedValues*/ null, /*nextToken*/ null);
newToken.IsStructuralProperty = isStructural;
if (path != null)
{
expandPaths.Remove(path);
AddNewEndingTokenVisitor addNewEndingTokenVisitor = new AddNewEndingTokenVisitor(newToken);
path.Accept(addNewEndingTokenVisitor);
expandPaths.Add(path);
}
else
{
expandPaths.Add(newToken);
}
}
/// <summary>
/// Write out a PathSegmentToken
/// </summary>
/// <param name="segmentToken">the pathSegmentToken to write.</param>
private void WritePathSegment(PathSegmentToken segmentToken)
{
NonSystemToken nonSystemToken = segmentToken as NonSystemToken;
if (nonSystemToken != null)
{
// If this desriptor have no path, it is a service-document Url, so just quit
if (string.IsNullOrEmpty(nonSystemToken.Identifier))
{
return;
}
if (nonSystemToken.NextToken != null)
{
this.WritePathSegment(nonSystemToken.NextToken);
this.builder.Append(ExpressionConstants.SymbolForwardSlash);
}
this.builder.Append(nonSystemToken.Identifier);
if (nonSystemToken.NamedValues != null)
{
this.builder.Append(ExpressionConstants.SymbolOpenParen);
bool needComma = false;
foreach (NamedValue nv in nonSystemToken.NamedValues)
{
if (needComma)
{
this.builder.Append(ExpressionConstants.SymbolComma);
}
this.builder.Append(nv.Name);
this.builder.Append(ExpressionConstants.SymbolEqual);
this.WriteLiteral(nv.Value);
needComma = true;
}
this.builder.Append(ExpressionConstants.SymbolClosedParen);
}
}
}
public void NormalizeTreeWorksWhenPathsHaveArguments()
{
// Arrange: $expand=1(name=value)
ExpandToken expand = new ExpandToken(new ExpandTermToken[]
{
new ExpandTermToken(new NonSystemToken("1", new NamedValue[] { new NamedValue("name", new LiteralToken("value")) }, null))
});
// Act
ExpandToken normalizedExpand = ExpandTreeNormalizer.NormalizeExpandTree(expand);
// Assert
Assert.NotNull(normalizedExpand);
ExpandTermToken term = Assert.Single(normalizedExpand.ExpandTerms).ShouldBeExpandTermToken("1", true);
NonSystemToken token = Assert.IsType <NonSystemToken>(term.PathToNavigationProp);
Assert.Single(token.NamedValues).ShouldBeNamedValue("name", "value");
Assert.Null(term.ExpandOption);
}
public void CombineTermsWorksForMultipleTerms()
{
// $expand=1($expand=2), 1($expand=3)
List <ExpandTermToken> expandTerms = new List <ExpandTermToken>();
var token2 = new NonSystemToken("2", null, null);
var token3 = new NonSystemToken("3", null, null);
expandTerms.Add(new ExpandTermToken(new NonSystemToken("1", /*namedValues*/ null, /*nextToken*/ null), /*SelectToken*/ null, new ExpandToken(new List <ExpandTermToken>()
{
new ExpandTermToken(token2)
})));
expandTerms.Add(new ExpandTermToken(new NonSystemToken("1", /*namedValues*/ null, /*nextToken*/ null), /*SelectToken*/ null, new ExpandToken(new List <ExpandTermToken>()
{
new ExpandTermToken(token3)
})));
ExpandToken expand = new ExpandToken(expandTerms);
ExpandTreeNormalizer expandTreeNormalizer = new ExpandTreeNormalizer();
ExpandToken combinedExpand = expandTreeNormalizer.CombineTerms(expand);
combinedExpand.ExpandTerms.Single().ShouldBeExpandTermToken("1", true);
combinedExpand.ExpandTerms.ElementAt(0).ExpandOption.ExpandTerms.Should().Contain(t => t.PathToNavigationProp == token2);
combinedExpand.ExpandTerms.ElementAt(0).ExpandOption.ExpandTerms.Should().Contain(t => t.PathToNavigationProp == token3);
}
public void NullPathSegmentTokensAreNotEquivalentToAnyNonNullToken()
{
var token = new NonSystemToken("foo", null, null);
this.testSubject.Equals(null, token).Should().BeFalse();
this.testSubject.Equals(token, null).Should().BeFalse();
}
/// <summary>
/// Building off of a PathSegmentToken whose value is star, only nested level options is allowed.
/// </summary>
/// <param name="pathToken">The PathSegmentToken representing the parsed expand path whose options we are now parsing.</param>
/// <returns>An expand term token based on the path token, and all available expand options.</returns>
private List <ExpandTermToken> BuildStarExpandTermToken(PathSegmentToken pathToken)
{
List <ExpandTermToken> expandTermTokenList = new List <ExpandTermToken>();
long?levelsOption = null;
bool isRefExpand = (pathToken.Identifier == UriQueryConstants.RefSegment);
// Based on the specification,
// For star in expand, this will be supported,
// $expand=*
// $expand=EntitySet($expand=* )
// $expand=*/$ref
// $expand=*,EntitySet
// $expand=EntitySet, *
// $expand=*/$ref,EntitySet
// Parenthesized set of expand options for star expand option supported are $level per specification.
// And this will throw exception,
// $expand= * /$count
// Parenthesized set of expand options for star expand option which will also cause exception are $filter, $select, $orderby, $skip, $top, $count, $search, and $expand per specification.
// And level is not supported with "*/$ref".
// As 2016/1/8, the navigation property is only supported in entity type, and will support in ComplexType in future.
if (this.lexer.CurrentToken.Kind == ExpressionTokenKind.OpenParen)
{
// advance past the '('
this.lexer.NextToken();
// Check for (), which is not allowed.
if (this.lexer.CurrentToken.Kind == ExpressionTokenKind.CloseParen)
{
throw new ODataException(ODataErrorStrings.UriParser_MissingExpandOption(pathToken.Identifier));
}
// Only level option is supported by expand.
while (this.lexer.CurrentToken.Kind != ExpressionTokenKind.CloseParen)
{
string text = this.enableCaseInsensitiveBuiltinIdentifier
? this.lexer.CurrentToken.Text.ToLowerInvariant()
: this.lexer.CurrentToken.Text;
switch (text)
{
case ExpressionConstants.QueryOptionLevels:
{
if (!isRefExpand)
{
levelsOption = ResolveLevelOption();
}
else
{
// no option is allowed when expand with star per specification
throw new ODataException(ODataErrorStrings.UriExpandParser_TermIsNotValidForStarRef(this.lexer.ExpressionText));
}
break;
}
default:
{
throw new ODataException(ODataErrorStrings.UriExpandParser_TermIsNotValidForStar(this.lexer.ExpressionText));
}
}
}
// Move past the ')'
this.lexer.NextToken();
}
// Either there was no '(' at all or we just read past the ')' so we should be at the end
if (this.lexer.CurrentToken.Kind != ExpressionTokenKind.End)
{
throw new ODataException(ODataErrorStrings.UriSelectParser_TermIsNotValid(this.lexer.ExpressionText));
}
// As 2016/1/8, the navigation property is only supported in entity type, and will support in ComplexType in future.
var entityType = parentEntityType as IEdmEntityType;
if (entityType == null)
{
throw new ODataException(ODataErrorStrings.UriExpandParser_ParentEntityIsNull(this.lexer.ExpressionText));
}
foreach (var navigationProperty in entityType.NavigationProperties())
{
var tmpPathToken = default(PathSegmentToken);
// create path token for each navigation properties.
if (pathToken.Identifier.Equals(UriQueryConstants.RefSegment))
{
tmpPathToken = new NonSystemToken(navigationProperty.Name, null, pathToken.NextToken.NextToken);
tmpPathToken = new NonSystemToken(UriQueryConstants.RefSegment, null, tmpPathToken);
}
else
{
tmpPathToken = new NonSystemToken(navigationProperty.Name, null, pathToken.NextToken);
}
ExpandTermToken currentToken = new ExpandTermToken(tmpPathToken, null, null,
null, null, null, levelsOption, null, null, null);
expandTermTokenList.Add(currentToken);
}
return(expandTermTokenList);
}
public void IdentifierSetCorrectly()
{
NonSystemToken token = new NonSystemToken("stuff", null, null);
Assert.Equal("stuff", token.Identifier);
}
internal static bool TryBindAsOperation(PathSegmentToken pathToken, IEdmModel model, IEdmStructuredType entityType, out ODataPathSegment segment)
{
Debug.Assert(pathToken != null, "pathToken != null");
Debug.Assert(entityType != null, "bindingType != null");
List <IEdmOperation> possibleFunctions = new List <IEdmOperation>();
// Catch all catchable exceptions as FindDeclaredBoundOperations is implemented by anyone.
// If an exception occurs it will be supressed and the possible functions will be empty and return false.
try
{
int wildCardPos = pathToken.Identifier.IndexOf("*", StringComparison.Ordinal);
if (wildCardPos > -1)
{
string namespaceName = pathToken.Identifier.Substring(0, wildCardPos - 1);
possibleFunctions = model.FindBoundOperations(entityType).Where(o => o.Namespace == namespaceName).ToList();
}
else
{
NonSystemToken nonSystemToken = pathToken as NonSystemToken;
IList <string> parameterNames = new List <string>();
if (nonSystemToken != null && nonSystemToken.NamedValues != null)
{
parameterNames = nonSystemToken.NamedValues.Select(s => s.Name).ToList();
}
if (parameterNames.Count > 0)
{
// Always force to use fully qualified name when select operation
possibleFunctions = model.FindBoundOperations(entityType).FilterByName(true, pathToken.Identifier).FilterOperationsByParameterNames(parameterNames, false).ToList();
}
else
{
possibleFunctions = model.FindBoundOperations(entityType).FilterByName(true, pathToken.Identifier).ToList();
}
}
}
catch (Exception exc)
{
if (!ExceptionUtils.IsCatchableExceptionType(exc))
{
throw;
}
}
possibleFunctions = possibleFunctions.EnsureOperationsBoundWithBindingParameter().ToList();
// Only filter if there is more than one and its needed.
if (possibleFunctions.Count > 1)
{
possibleFunctions = possibleFunctions.FilterBoundOperationsWithSameTypeHierarchyToTypeClosestToBindingType(entityType).ToList();
}
if (possibleFunctions.Count <= 0)
{
segment = null;
return(false);
}
segment = new OperationSegment(possibleFunctions, null /*entitySet*/);
return(true);
}
private void ProcessTokenAsPath(NonSystemToken tokenIn)
{
Debug.Assert(tokenIn != null, "tokenIn != null");
List <ODataPathSegment> pathSoFar = new List <ODataPathSegment>();
IEdmStructuredType currentLevelType = this.edmType;
// first, walk through all type segments in a row, converting them from tokens into segments.
if (tokenIn.IsNamespaceOrContainerQualified())
{
PathSegmentToken firstNonTypeToken;
pathSoFar.AddRange(SelectExpandPathBinder.FollowTypeSegments(tokenIn, this.model, this.maxDepth, this.resolver, ref currentLevelType, out firstNonTypeToken));
Debug.Assert(firstNonTypeToken != null, "Did not get last token.");
tokenIn = firstNonTypeToken as NonSystemToken;
if (tokenIn == null)
{
throw new ODataException(ODataErrorStrings.SelectPropertyVisitor_SystemTokenInSelect(firstNonTypeToken.Identifier));
}
}
// next, create a segment for the first non-type segment in the path.
ODataPathSegment lastSegment = SelectPathSegmentTokenBinder.ConvertNonTypeTokenToSegment(tokenIn, this.model, currentLevelType, resolver);
// next, create an ODataPath and add the segments to it.
if (lastSegment != null)
{
pathSoFar.Add(lastSegment);
// try create a complex type property path.
while (true)
{
// no need to go on if the current property is not of complex type.
currentLevelType = lastSegment.EdmType as IEdmStructuredType;
if (currentLevelType == null || currentLevelType.TypeKind != EdmTypeKind.Complex)
{
break;
}
NonSystemToken nextToken = tokenIn.NextToken as NonSystemToken;
if (nextToken == null)
{
break;
}
// first try bind the segment as property.
lastSegment = SelectPathSegmentTokenBinder.ConvertNonTypeTokenToSegment(nextToken, this.model, currentLevelType, resolver);
// then try bind the segment as type cast.
if (lastSegment == null)
{
IEdmStructuredType typeFromNextToken = UriEdmHelpers.FindTypeFromModel(this.model, nextToken.Identifier, this.resolver) as IEdmStructuredType;
if (typeFromNextToken.IsOrInheritsFrom(currentLevelType))
{
lastSegment = new TypeSegment(typeFromNextToken, /*entitySet*/ null);
}
}
// type cast failed too.
if (lastSegment == null)
{
break;
}
// try move to and add next path segment.
tokenIn = nextToken;
pathSoFar.Add(lastSegment);
}
}
ODataSelectPath selectedPath = new ODataSelectPath(pathSoFar);
var selectionItem = new PathSelectItem(selectedPath);
// non-navigation cases do not allow further segments in $select.
if (tokenIn.NextToken != null)
{
throw new ODataException(ODataErrorStrings.SelectBinder_MultiLevelPathInSelect);
}
// if the selected item is a nav prop, then see if its already there before we add it.
NavigationPropertySegment trailingNavPropSegment = selectionItem.SelectedPath.LastSegment as NavigationPropertySegment;
if (trailingNavPropSegment != null)
{
if (this.expandClauseToDecorate.SelectedItems.Any(x => x is PathSelectItem &&
((PathSelectItem)x).SelectedPath.Equals(selectedPath)))
{
return;
}
}
this.expandClauseToDecorate.AddToSelectedItems(selectionItem);
}
public void IdentifierSetCorrectly()
{
NonSystemToken token = new NonSystemToken("stuff", null, null);
token.Identifier.Should().Be("stuff");
}
/// <summary>
/// Visit an NonSystemToken
/// </summary>
/// <param name="tokenIn">The System token to visit</param>
/// <returns>A user defined class</returns>
public virtual T Visit(NonSystemToken tokenIn)
{
throw new NotImplementedException();
}
public void PathSegmentTokensAreNotEquivalentDueToLength()
{
var token1 = new NonSystemToken("foo", null, null);
var token2 = new NonSystemToken("foo", null, new SystemToken("$batch", null));
this.testSubject.Equals(token1, token2).Should().BeFalse();
}
public void PathSegmentTokensAreNotEquivalentAtSecondPosition()
{
var token1 = new NonSystemToken("foo", null, new SystemToken("$metadata", null));
var token2 = new NonSystemToken("foo", null, new SystemToken("$batch", null));
this.testSubject.Equals(token1, token2).Should().BeFalse();
}
public void PathSegmentTokenHashCodesShouldBeDifferent()
{
var token1 = new NonSystemToken("foo", null, null);
var token2 = new NonSystemToken("bar", null, null);
this.testSubject.GetHashCode(token1).Should().NotBe(this.testSubject.GetHashCode(token2));
}
public void PathSegmentTokenHashCodesShouldBeTheSame()
{
var token1 = new NonSystemToken("foo", null, new SystemToken("$metadata", null));
var token2 = new NonSystemToken("foo", null, new SystemToken("$metadata", null));
this.testSubject.GetHashCode(token1).Should().Be(this.testSubject.GetHashCode(token2));
}
// TODO: Probably missing more simple test cases
// TODO: Write interesting, complex parsing cases
private ExpandTermToken ParseExpandOptions(string optionsText, int maxDepth = 100)
{
PathSegmentToken pathToken = new NonSystemToken("NavProp", null, null);
ExpandOptionParser optionParser = new ExpandOptionParser(maxDepth)
{
MaxFilterDepth = 9,
MaxSearchDepth = 9,
MaxOrderByDepth = 9
};
return optionParser.BuildExpandTermToken(pathToken, optionsText);
}