public void BindApplyWitGroupByWithDeepComplexShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyAddress/NextHome/City))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
var transformation = Assert.Single(actual.Transformations);
GroupByTransformationNode groupBy = Assert.IsType <GroupByTransformationNode>(transformation);
Assert.Equal(TransformationNodeKind.GroupBy, groupBy.Kind);
Assert.NotNull(groupBy.GroupingProperties);
Assert.Null(groupBy.ChildTransformations);
GroupByPropertyNode addressNode = Assert.Single(groupBy.GroupingProperties);
Assert.Equal("MyAddress", addressNode.Name);
Assert.Null(addressNode.Expression);
GroupByPropertyNode nextHomeNode = Assert.Single(addressNode.ChildTransformations);
Assert.Equal("NextHome", nextHomeNode.Name);
Assert.Null(nextHomeNode.Expression);
GroupByPropertyNode cityNode = Assert.Single(nextHomeNode.ChildTransformations);
Assert.Equal("City", cityNode.Name);
Assert.NotNull(cityNode.Expression);
Assert.Empty(cityNode.ChildTransformations);
}
public void BindApplyWitGroupByWithComplexAndNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyAddress/PostBoxPainting/Artist))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
var transformation = Assert.Single(actual.Transformations);
GroupByTransformationNode groupBy = Assert.IsType <GroupByTransformationNode>(transformation);
Assert.Equal(TransformationNodeKind.GroupBy, groupBy.Kind);
Assert.Null(groupBy.ChildTransformations);
Assert.NotNull(groupBy.GroupingProperties);
GroupByPropertyNode addressNode = Assert.Single(groupBy.GroupingProperties);
Assert.Equal("MyAddress", addressNode.Name);
Assert.Null(addressNode.Expression);
GroupByPropertyNode postBoxPaintingNode = Assert.Single(addressNode.ChildTransformations);
Assert.Equal("PostBoxPainting", postBoxPaintingNode.Name);
Assert.Null(postBoxPaintingNode.Expression);
GroupByPropertyNode artistNode = Assert.Single(postBoxPaintingNode.ChildTransformations);
Assert.Equal("Artist", artistNode.Name);
Assert.NotNull(artistNode.Expression);
Assert.Empty(artistNode.ChildTransformations);
}
public void BindApplyWitGroupByWithNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/City))");
ApplyBinder binder = new ApplyBinder(FakeBindMethods.BindMethodReturnsPersonDogColorNavigation, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
GroupByTransformationNode groupBy = Assert.IsType <GroupByTransformationNode>(Assert.Single(actual.Transformations));
Assert.Equal(TransformationNodeKind.GroupBy, groupBy.Kind);
Assert.NotNull(groupBy.GroupingProperties);
Assert.Null(groupBy.ChildTransformations);
GroupByPropertyNode dogNode = Assert.Single(groupBy.GroupingProperties);
Assert.Null(dogNode.Expression);
Assert.Equal("MyDog", dogNode.Name);
Assert.NotNull(dogNode.ChildTransformations);
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
Assert.Null(groupBy.ChildTransformations);
GroupByPropertyNode colorNode = Assert.Single(dogNode.ChildTransformations);
Assert.Equal("Color", colorNode.Name);
Assert.Same(FakeBindMethods.FakePersonDogColorNode, colorNode.Expression);
Assert.Empty(colorNode.ChildTransformations);
}
public void BindApplyWitGroupByWithDeepNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/FastestOwner/FirstName))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
TransformationNode transformation = Assert.Single(actual.Transformations);
GroupByTransformationNode groupBy = Assert.IsType <GroupByTransformationNode>(transformation);
Assert.Equal(TransformationNodeKind.GroupBy, groupBy.Kind);
Assert.NotNull(groupBy.GroupingProperties);
Assert.Null(groupBy.ChildTransformations);
GroupByPropertyNode dogNode = Assert.Single(groupBy.GroupingProperties);
Assert.Equal("MyDog", dogNode.Name);
Assert.Null(dogNode.Expression);
GroupByPropertyNode ownerNode = Assert.Single(dogNode.ChildTransformations);
Assert.Equal("FastestOwner", ownerNode.Name);
Assert.Null(ownerNode.Expression);
GroupByPropertyNode nameNode = Assert.Single(ownerNode.ChildTransformations);
Assert.Equal("FirstName", nameNode.Name);
Assert.NotNull(nameNode.Expression);
Assert.Empty(nameNode.ChildTransformations);
}
private static void RegisterProperty(IList <GroupByPropertyNode> properties, Stack <SingleValueNode> propertyStack)
{
var property = propertyStack.Pop();
string propertyName = GetNodePropertyName(property);
if (propertyStack.Count != 0)
{
// Not at the leaf, let's add to the container.
var containerProperty = properties.FirstOrDefault(p => p.Name == propertyName);
if (containerProperty == null)
{
// We do not have container yet. Create it.
containerProperty = new GroupByPropertyNode(propertyName, null);
properties.Add(containerProperty);
}
RegisterProperty(containerProperty.Children, propertyStack);
}
else
{
// It's the leaf just add.
var accessNode = property as SingleValuePropertyAccessNode;
properties.Add(new GroupByPropertyNode(propertyName, property, accessNode.TypeReference));
}
}
public void BindApplyWitGroupByWithNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/City))");
ApplyBinder binder = new ApplyBinder(FakeBindMethods.BindMethodReturnsPersonDogNameNavigation, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
actual.Should().NotBeNull();
actual.Transformations.Should().HaveCount(1);
List <TransformationNode> transformations = actual.Transformations.ToList();
GroupByTransformationNode groupBy = transformations[0] as GroupByTransformationNode;
groupBy.Should().NotBeNull();
groupBy.Kind.Should().Be(TransformationNodeKind.GroupBy);
groupBy.GroupingProperties.Should().NotBeNull();
groupBy.GroupingProperties.Should().HaveCount(1);
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
GroupByPropertyNode dogNode = groupingProperties[0];
dogNode.Expression.Should().BeNull();
dogNode.Name.Should().Be("MyDog");
dogNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode nameNode = dogNode.ChildTransformations[0];
dogNode.Name.Should().Be("MyDog");
nameNode.Expression.Should().BeSameAs(FakeBindMethods.FakePersonDogNameNode);
groupBy.ChildTransformations.Should().BeNull();
}
public void BindApplyWitGroupByWithComplexShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyAddress/City))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
actual.Transformations.Should().HaveCount(1);
List <TransformationNode> transformations = actual.Transformations.ToList();
GroupByTransformationNode groupBy = transformations[0] as GroupByTransformationNode;
groupBy.Should().NotBeNull();
groupBy.Kind.Should().Be(TransformationNodeKind.GroupBy);
groupBy.GroupingProperties.Should().NotBeNull();
groupBy.GroupingProperties.Should().HaveCount(1);
groupBy.ChildTransformations.Should().BeNull();
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
GroupByPropertyNode addressNode = groupingProperties[0];
addressNode.Name.Should().Be("MyAddress");
addressNode.Expression.Should().BeNull();
addressNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode cityNode = addressNode.ChildTransformations[0];
cityNode.Name.Should().Be("City");
cityNode.Expression.Should().NotBeNull();
cityNode.ChildTransformations.Should().BeEmpty();
}
private void ValidateGroupByPropertyNode(GroupByPropertyNode groupByProperty, ODataUrlValidationContext validationContext)
{
ValidateItem(groupByProperty, validationContext);
validationContext.ExpressionValidator.ValidateNode(groupByProperty.Expression);
foreach (GroupByPropertyNode childTransformation in groupByProperty.ChildTransformations)
{
ValidateGroupByPropertyNode(childTransformation, validationContext);
}
}
private MethodCallExpression ApplyGroupBy(Expression source, GroupByTransformationNode transformation)
{
Type sourceType = OeExpressionHelper.GetCollectionItemType(source.Type);
ParameterExpression sourceParameter = Expression.Parameter(sourceType);
var visitor = CreateVisitor(sourceParameter);
var expressions = new List <Expression>();
foreach (GroupByPropertyNode node in transformation.GroupingProperties)
{
if (node.ChildTransformations != null && node.ChildTransformations.Count > 0)
{
if (node.ChildTransformations.Count > 1)
{
throw new NotSupportedException();
}
GroupByPropertyNode childNode = node.ChildTransformations[0];
String propertyName = node.Name + "_" + childNode.Name;
Expression e = visitor.TranslateNode(childNode.Expression);
expressions.Add(e);
_aggProperties.Add(CreateEdmProperty(_visitor.EdmModel, e.Type, propertyName, true));
}
else
{
Expression e = visitor.TranslateNode(node.Expression);
expressions.Add(e);
_aggProperties.Add(CreateEdmProperty(_visitor.EdmModel, e.Type, node.Name, true));
}
}
NewExpression newExpression = OeExpressionHelper.CreateTupleExpression(expressions);
LambdaExpression lambda = Expression.Lambda(newExpression, sourceParameter);
MethodInfo groupByMethodInfo = OeMethodInfoHelper.GetGroupByMethodInfo(sourceType, newExpression.Type);
MethodCallExpression groupByCall = Expression.Call(groupByMethodInfo, source, lambda);
var aggTransformation = (AggregateTransformationNode)transformation.ChildTransformations;
if (aggTransformation == null)
{
expressions.Clear();
sourceType = OeExpressionHelper.GetCollectionItemType(groupByCall.Type);
sourceParameter = Expression.Parameter(sourceType);
expressions.Add(Expression.Property(sourceParameter, nameof(IGrouping <Object, Object> .Key)));
newExpression = OeExpressionHelper.CreateTupleExpression(expressions);
MethodInfo selectMethodInfo = OeMethodInfoHelper.GetSelectMethodInfo(sourceType, newExpression.Type);
lambda = Expression.Lambda(newExpression, sourceParameter);
return(Expression.Call(selectMethodInfo, groupByCall, lambda));
}
return(ApplyAggregate(groupByCall, aggTransformation));
}
public void BindApplyWitGroupByWithNavigationAndDeepComplexAndNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyFavoritePainting/ArtistAddress/NextHome/PostBoxPainting/Artist))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
actual.Should().NotBeNull();
actual.Transformations.Should().HaveCount(1);
List <TransformationNode> transformations = actual.Transformations.ToList();
GroupByTransformationNode groupBy = transformations[0] as GroupByTransformationNode;
groupBy.Should().NotBeNull();
groupBy.Kind.Should().Be(TransformationNodeKind.GroupBy);
groupBy.GroupingProperties.Should().NotBeNull();
groupBy.GroupingProperties.Should().HaveCount(1);
groupBy.ChildTransformations.Should().BeNull();
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
GroupByPropertyNode favoritePaintingNode = groupingProperties[0];
favoritePaintingNode.Name.Should().Be("MyFavoritePainting");
favoritePaintingNode.Expression.Should().BeNull();
favoritePaintingNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode artistAddressNode = favoritePaintingNode.ChildTransformations[0];
artistAddressNode.Name.Should().Be("ArtistAddress");
artistAddressNode.Expression.Should().BeNull();
artistAddressNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode nextHomeNode = artistAddressNode.ChildTransformations[0];
nextHomeNode.Name.Should().Be("NextHome");
nextHomeNode.Expression.Should().BeNull();
nextHomeNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode postBoxPaintingNode = nextHomeNode.ChildTransformations[0];
postBoxPaintingNode.Name.Should().Be("PostBoxPainting");
postBoxPaintingNode.Expression.Should().BeNull();
postBoxPaintingNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode artistNode = postBoxPaintingNode.ChildTransformations[0];
artistNode.Name.Should().Be("Artist");
artistNode.Expression.Should().NotBeNull();
artistNode.ChildTransformations.Should().BeEmpty();
}
private bool CompareGroupByPropertyNode(GroupByPropertyNode node1, GroupByPropertyNode node2)
{
if (node1 == node2)
{
return(true);
}
if (node1 == null || node2 == null)
{
return(false);
}
return(_queryNodeComparer.Compare(node1.Expression, node2.Expression) &&
EnumerableComparer.Compare(node1.ChildTransformations, node2.ChildTransformations, CompareGroupByPropertyNode));
}
private void Translate(GroupByPropertyNode node)
{
if (node.Expression != null)
{
AppendExpression(node.Expression);
}
bool appendCommaChild = false;
foreach (GroupByPropertyNode childNode in node.ChildTransformations)
{
appendCommaChild = AppendComma(appendCommaChild);
Translate(childNode);
}
}
public void BindApplyWitGroupByWithDeepNavigationAndComplexShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/LionWhoAteMe/LionHeartbeat/Frequency))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
actual.Should().NotBeNull();
actual.Transformations.Should().HaveCount(1);
List <TransformationNode> transformations = actual.Transformations.ToList();
GroupByTransformationNode groupBy = transformations[0] as GroupByTransformationNode;
groupBy.Should().NotBeNull();
groupBy.Kind.Should().Be(TransformationNodeKind.GroupBy);
groupBy.GroupingProperties.Should().NotBeNull();
groupBy.GroupingProperties.Should().HaveCount(1);
groupBy.ChildTransformations.Should().BeNull();
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
GroupByPropertyNode dogNode = groupingProperties[0];
dogNode.Name.Should().Be("MyDog");
dogNode.Expression.Should().BeNull();
dogNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode lionNode = dogNode.ChildTransformations[0];
lionNode.Name.Should().Be("LionWhoAteMe");
lionNode.Expression.Should().BeNull();
lionNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode heartBeatNode = lionNode.ChildTransformations[0];
heartBeatNode.Name.Should().Be("LionHeartbeat");
heartBeatNode.Expression.Should().BeNull();
heartBeatNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode frequencyNode = heartBeatNode.ChildTransformations[0];
frequencyNode.Name.Should().Be("Frequency");
frequencyNode.Expression.Should().NotBeNull();
frequencyNode.ChildTransformations.Should().BeEmpty();
}
public void BindApplyWitGroupByWithDeepNavigationShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/FastestOwner/FirstName))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
actual.Should().NotBeNull();
actual.Transformations.Should().HaveCount(1);
List <TransformationNode> transformations = actual.Transformations.ToList();
GroupByTransformationNode groupBy = transformations[0] as GroupByTransformationNode;
groupBy.Should().NotBeNull();
groupBy.Kind.Should().Be(TransformationNodeKind.GroupBy);
groupBy.GroupingProperties.Should().NotBeNull();
groupBy.GroupingProperties.Should().HaveCount(1);
groupBy.ChildTransformations.Should().BeNull();
List <GroupByPropertyNode> groupingProperties = groupBy.GroupingProperties.ToList();
GroupByPropertyNode dogNode = groupingProperties[0];
dogNode.Name.Should().Be("MyDog");
dogNode.Expression.Should().BeNull();
dogNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode ownerNode = dogNode.ChildTransformations[0];
ownerNode.Name.Should().Be("FastestOwner");
ownerNode.Expression.Should().BeNull();
ownerNode.ChildTransformations.Should().HaveCount(1);
GroupByPropertyNode nameNode = ownerNode.ChildTransformations[0];
nameNode.Name.Should().Be("FirstName");
nameNode.Expression.Should().NotBeNull();
nameNode.ChildTransformations.Should().BeEmpty();
}
public void BindApplyWitGroupByWithDeepNavigationAndComplexShouldReturnApplyClause()
{
IEnumerable <QueryToken> tokens = _parser.ParseApply("groupby((MyDog/LionWhoAteMe/LionHeartbeat/Frequency))");
MetadataBinder metadataBiner = new MetadataBinder(_bindingState);
ApplyBinder binder = new ApplyBinder(metadataBiner.Bind, _bindingState);
ApplyClause actual = binder.BindApply(tokens);
Assert.NotNull(actual);
var transformation = Assert.Single(actual.Transformations);
GroupByTransformationNode groupBy = Assert.IsType <GroupByTransformationNode>(transformation);
Assert.Equal(TransformationNodeKind.GroupBy, groupBy.Kind);
Assert.Null(groupBy.ChildTransformations);
Assert.NotNull(groupBy.GroupingProperties);
GroupByPropertyNode dogNode = Assert.Single(groupBy.GroupingProperties);
Assert.Equal("MyDog", dogNode.Name);
Assert.Null(dogNode.Expression);
GroupByPropertyNode lionNode = Assert.Single(dogNode.ChildTransformations);
Assert.Equal("LionWhoAteMe", lionNode.Name);
Assert.Null(lionNode.Expression);
GroupByPropertyNode heartBeatNode = Assert.Single(lionNode.ChildTransformations);
Assert.Equal("LionHeartbeat", heartBeatNode.Name);
Assert.Null(heartBeatNode.Expression);
GroupByPropertyNode frequencyNode = Assert.Single(heartBeatNode.ChildTransformations);
Assert.Equal("Frequency", frequencyNode.Name);
Assert.NotNull(frequencyNode.Expression);
Assert.Empty(frequencyNode.ChildTransformations);
}