public void NestedGroupbyTransformationsInExpandIsAllowed()
{
// Arrange & Act
ExpandTermToken expandTerm = this.ParseExpandOptions("($apply=groupby((Customer/CountryRegion,Product/Name),aggregate(Amount with sum as Total)))");
// Assert
Assert.NotNull(expandTerm);
Assert.NotNull(expandTerm.ApplyOptions);
QueryToken token = Assert.Single(expandTerm.ApplyOptions);
GroupByToken groupBy = Assert.IsType <GroupByToken>(token);
Assert.Equal(2, groupBy.Properties.Count());
QueryToken queryToken = groupBy.Properties.ElementAt(0);
EndPathToken pathToken = queryToken.ShouldBeEndPathToken("CountryRegion");
pathToken.NextToken.ShouldBeInnerPathToken("Customer");
queryToken = groupBy.Properties.ElementAt(1);
pathToken = queryToken.ShouldBeEndPathToken("Name");
pathToken.NextToken.ShouldBeInnerPathToken("Product");
Assert.NotNull(groupBy.Child);
AggregateToken aggregate = Assert.IsType <AggregateToken>(groupBy.Child);
AggregateExpressionToken aggregateExpressionToken = Assert.Single(aggregate.Expressions);
Assert.Equal("Total", aggregateExpressionToken.Alias);
Assert.Equal(AggregationMethod.Sum, aggregateExpressionToken.Method);
aggregateExpressionToken.Expression.ShouldBeEndPathToken("Amount");
}
public void NestedGroupbyTransformationsIsAllowed()
{
var result = this.ParseExpandOptions("($apply=groupby((Customer/CountryRegion,Product/Name),aggregate(Amount with sum as Total)))");
result.Should().NotBeNull();
QueryToken token = result.ApplyOptions.Single();
token.Should().BeOfType <GroupByToken>();
GroupByToken groupBy = token as GroupByToken;
groupBy.Properties.Should().HaveCount(2);
QueryToken queryToken = groupBy.Properties.ElementAt(0);
EndPathToken pathToken = queryToken.ShouldBeEndPathToken("CountryRegion");
pathToken.NextToken.ShouldBeInnerPathToken("Customer");
queryToken = groupBy.Properties.ElementAt(1);
pathToken = queryToken.ShouldBeEndPathToken("Name");
pathToken.NextToken.ShouldBeInnerPathToken("Product");
groupBy.Child.Should().NotBeNull();
groupBy.Child.Should().BeOfType <AggregateToken>();
AggregateToken aggregate = groupBy.Child as AggregateToken;
AggregateExpressionToken aggregateExpressionToken = aggregate.Expressions.Single();
aggregateExpressionToken.Alias.Should().Equals("Total");
aggregateExpressionToken.Method.Should().Equals(AggregationMethod.Sum);
aggregateExpressionToken.Expression.ShouldBeEndPathToken("Amount");
}
public void ParseApplyWithNestedAggregation()
{
string apply = "groupby((UnitPrice), aggregate(Sales($count as Count)))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
actual.Should().NotBeNull();
actual.Should().HaveCount(1);
List <QueryToken> transformations = actual.ToList();
// verify groupby
GroupByToken groupBy = transformations[0] as GroupByToken;
groupBy.Should().NotBeNull();
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
groupBy.Properties.Should().HaveCount(1);
groupBy.Child.Should().NotBeNull();
AggregateToken groupByAggregate = groupBy.Child as AggregateToken;
groupByAggregate.AggregateExpressions.Should().HaveCount(1);
EntitySetAggregateToken entitySetAggregate = groupByAggregate.AggregateExpressions.First() as EntitySetAggregateToken;
entitySetAggregate.Should().NotBeNull();
entitySetAggregate.EntitySet.ShouldBeEndPathToken("Sales");
VerifyAggregateExpressionToken("$count", AggregationMethodDefinition.VirtualPropertyCount, "Count", entitySetAggregate.Expressions.First() as AggregateExpressionToken);
}
public void ParseApplyWithMultipleGroupByPropertiesShouldReturnGroupByToken()
{
string apply = "groupby((UnitPrice, SharePrice, ReservedPrice))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
actual.Should().NotBeNull();
actual.Should().HaveCount(1);
GroupByToken groupBy = actual.First() as GroupByToken;
VerifyGroupByTokenProperties(new string[] { "UnitPrice", "SharePrice", "ReservedPrice" }, groupBy);
}
private GroupByTransformationNode BindGroupByToken(GroupByToken token)
{
var properties = new List <GroupByPropertyNode>();
foreach (var propertyToken in token.Properties)
{
var bindResult = this.bindMethod(propertyToken);
var property = bindResult as SingleValuePropertyAccessNode;
if (property != null)
{
RegisterProperty(properties, ReversePropertyPath(property));
}
else
{
var openProperty = bindResult as SingleValueOpenPropertyAccessNode;
if (openProperty != null)
{
var type = GetTypeReferenceByPropertyName(openProperty.Name);
properties.Add(new GroupByPropertyNode(openProperty.Name, openProperty, type));
}
else
{
throw new ODataException(
ODataErrorStrings.ApplyBinder_GroupByPropertyNotPropertyAccessValue(propertyToken.Identifier));
}
}
}
TransformationNode aggregate = null;
if (token.Child != null)
{
if (token.Child.Kind == QueryTokenKind.Aggregate)
{
aggregate = BindAggregateToken((AggregateToken)token.Child);
aggregateStatementsCache = ((AggregateTransformationNode)aggregate).Statements;
state.AggregatedProperties =
aggregateStatementsCache.Select(statement => statement.AsAlias).ToList();
}
else
{
throw new ODataException(ODataErrorStrings.ApplyBinder_UnsupportedGroupByChild(token.Child.Kind));
}
}
// TODO: Determine source
return(new GroupByTransformationNode(properties, aggregate, null));
}
public void ParseApplyWithSingleGroupByPropertyShouldReturnGroupByToken()
{
string apply = "groupby((UnitPrice))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
Assert.NotNull(actual);
Assert.Single(actual);
GroupByToken groupBy = actual.First() as GroupByToken;
Assert.NotNull(groupBy);
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
}
public void ParseApplyWithNestedFunctionAggregation()
{
string apply = "groupby((UnitPrice), aggregate(Sales($count as Count, cast(SalesPrice, Edm.Decimal) with average as RetailPrice)))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
actual.Should().NotBeNull();
actual.Should().HaveCount(1);
List <QueryToken> transformations = actual.ToList();
// verify groupby
GroupByToken groupBy = transformations[0] as GroupByToken;
groupBy.Should().NotBeNull();
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
groupBy.Properties.Should().HaveCount(1);
groupBy.Child.Should().NotBeNull();
AggregateToken groupByAggregate = groupBy.Child as AggregateToken;
groupByAggregate.AggregateExpressions.Should().HaveCount(1);
EntitySetAggregateToken entitySetAggregate = groupByAggregate.AggregateExpressions.First() as EntitySetAggregateToken;
entitySetAggregate.Should().NotBeNull();
entitySetAggregate.EntitySet.ShouldBeEndPathToken("Sales");
entitySetAggregate.Expressions.Should().HaveCount(2);
VerifyAggregateExpressionToken("$count", AggregationMethodDefinition.VirtualPropertyCount, "Count", entitySetAggregate.Expressions.First() as AggregateExpressionToken);
AggregateExpressionToken funcAggregate = entitySetAggregate.Expressions.Last() as AggregateExpressionToken;
funcAggregate.Should().NotBeNull();
funcAggregate.Alias.ShouldBeEquivalentTo("RetailPrice");
funcAggregate.Method.Should().Equals(AggregationMethodDefinition.Average);
FunctionCallToken funcToken = funcAggregate.Expression as FunctionCallToken;
funcToken.Should().NotBeNull();
funcToken.Name.ShouldBeEquivalentTo("cast");
}
public void ParseApplyWithNestedAggregationAndFunction()
{
string apply = "groupby((UnitPrice), aggregate(Sales($count as Count), cast(SalesPrice, Edm.Decimal) with average as RetailPrice))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
Assert.NotNull(actual);
Assert.Single(actual);
List <QueryToken> transformations = actual.ToList();
// verify groupby
GroupByToken groupBy = transformations[0] as GroupByToken;
Assert.NotNull(groupBy);
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
Assert.Single(groupBy.Properties);
Assert.NotNull(groupBy.Child);
AggregateToken groupByAggregate = groupBy.Child as AggregateToken;
Assert.Equal(2, groupByAggregate.AggregateExpressions.Count());
EntitySetAggregateToken entitySetAggregate = groupByAggregate.AggregateExpressions.First() as EntitySetAggregateToken;
Assert.NotNull(entitySetAggregate);
entitySetAggregate.EntitySet.ShouldBeEndPathToken("Sales");
VerifyAggregateExpressionToken("$count", AggregationMethodDefinition.VirtualPropertyCount, "Count", entitySetAggregate.Expressions.First() as AggregateExpressionToken);
AggregateExpressionToken funcAggregate = groupByAggregate.AggregateExpressions.Last() as AggregateExpressionToken;
Assert.NotNull(funcAggregate);
Assert.Equal("RetailPrice", funcAggregate.Alias);
Assert.Equal(AggregationMethod.Average, funcAggregate.Method);
FunctionCallToken funcToken = funcAggregate.Expression as FunctionCallToken;
Assert.NotNull(funcToken);
Assert.Equal("cast", funcToken.Name);
}
public void ParseApplyWithMultipleTransformationShouldReturnTransformations()
{
string apply = "groupby((UnitPrice), aggregate(SalesPrice with average as RetailPrice))/filter(UnitPrice eq 5)/aggregate(CustomerId with sum as Total, SharePrice with countdistinct as SharePriceDistinctCount)";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
actual.Should().NotBeNull();
actual.Should().HaveCount(3);
List <QueryToken> transformations = actual.ToList();
// verify groupby
GroupByToken groupBy = transformations[0] as GroupByToken;
groupBy.Should().NotBeNull();
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
groupBy.Properties.Should().HaveCount(1);
groupBy.Child.Should().NotBeNull();
AggregateToken groupByAggregate = groupBy.Child as AggregateToken;
groupByAggregate.AggregateExpressions.Should().HaveCount(1);
VerifyAggregateExpressionToken("SalesPrice", AggregationMethodDefinition.Average, "RetailPrice", groupByAggregate.AggregateExpressions.First() as AggregateExpressionToken);
// verify filter
BinaryOperatorToken filter = transformations[1] as BinaryOperatorToken;
VerifyBinaryOperatorToken <int>("UnitPrice", BinaryOperatorKind.Equal, 5, filter);
// verify aggregate
AggregateToken aggregate = transformations[2] as AggregateToken;
aggregate.Should().NotBeNull();
aggregate.AggregateExpressions.Should().HaveCount(2);
List <AggregateTokenBase> aggregateExpressions = aggregate.AggregateExpressions.ToList();
VerifyAggregateExpressionToken("CustomerId", AggregationMethodDefinition.Sum, "Total", aggregateExpressions[0] as AggregateExpressionToken);
VerifyAggregateExpressionToken("SharePrice", AggregationMethodDefinition.CountDistinct, "SharePriceDistinctCount", aggregateExpressions[1] as AggregateExpressionToken);
}
public void ParseApplyWithGroupByAndAggregateShouldReturnGroupByToken()
{
string apply = "groupby((UnitPrice), aggregate(SalesPrice with average as RetailPrice))";
IEnumerable <QueryToken> actual = this.testSubject.ParseApply(apply);
actual.Should().NotBeNull();
actual.Should().HaveCount(1);
GroupByToken groupBy = actual.First() as GroupByToken;
VerifyGroupByTokenProperties(new string[] { "UnitPrice" }, groupBy);
groupBy.Child.Should().NotBeNull();
AggregateToken aggregate = groupBy.Child as AggregateToken;
aggregate.AggregateExpressions.Should().HaveCount(1);
VerifyAggregateExpressionToken("SalesPrice", AggregationMethodDefinition.Average, "RetailPrice", aggregate.AggregateExpressions.First() as AggregateExpressionToken);
}
private GroupByTransformationNode BindGroupByToken(GroupByToken token)
{
var properties = new List<GroupByPropertyNode>();
foreach (var propertyToken in token.Properties)
{
var bindResult = this.bindMethod(propertyToken);
var property = bindResult as SingleValuePropertyAccessNode;
if (property != null)
{
RegisterProperty(properties, ReversePropertyPath(property));
}
else
{
var openProperty = bindResult as SingleValueOpenPropertyAccessNode;
if (openProperty != null)
{
var type = GetTypeReferenceByPropertyName(openProperty.Name);
properties.Add(new GroupByPropertyNode(openProperty.Name, openProperty, type));
}
else
{
throw new ODataException(
ODataErrorStrings.ApplyBinder_GroupByPropertyNotPropertyAccessValue(propertyToken.Identifier));
}
}
}
TransformationNode aggregate = null;
if (token.Child != null)
{
if (token.Child.Kind == QueryTokenKind.Aggregate)
{
aggregate = BindAggregateToken((AggregateToken)token.Child);
aggregateStatementsCache = ((AggregateTransformationNode)aggregate).Statements;
state.AggregatedProperties =
aggregateStatementsCache.Select(statement => statement.AsAlias).ToList();
}
else
{
throw new ODataException(ODataErrorStrings.ApplyBinder_UnsupportedGroupByChild(token.Child.Kind));
}
}
// TODO: Determine source
return new GroupByTransformationNode(properties, aggregate, null);
}
public Expression Visit(GroupByToken tokenIn)
{
throw new NotImplementedException();
}
/// <summary>
/// Visits a GroupByToken
/// </summary>
/// <param name="tokenIn">The GroupByToken to visit</param>
/// <returns>A T bound to this GroupByToken</returns>
public virtual T Visit(GroupByToken tokenIn)
{
throw new NotImplementedException();
}
private static void VerifyGroupByTokenProperties(IEnumerable <string> expectedEndPathIdentifiers, GroupByToken actual)
{
actual.Should().NotBeNull();
if (expectedEndPathIdentifiers == null || !expectedEndPathIdentifiers.Any())
{
actual.Properties.Should().HaveCount(0);
}
else
{
actual.Properties.Should().HaveCount(expectedEndPathIdentifiers.Count());
List <string> expectedIdentifierList = expectedEndPathIdentifiers.ToList();
int i = 0;
foreach (EndPathToken actualProperty in actual.Properties)
{
actualProperty.Should().NotBeNull();
EndPathToken endPathToken = actualProperty as EndPathToken;
endPathToken.Should().NotBeNull();
endPathToken.Identifier.Should().Be(expectedIdentifierList[i]);
i++;
}
}
}
public void AggregateSetCorrectly()
{
var token = new GroupByToken(properties, aggregate);
((object)token.Child).Should().Be(aggregate);
}
public void KindIsSetCorrectly()
{
var token = new GroupByToken(properties, null);
token.Kind.Should().Be(QueryTokenKind.AggregateGroupBy);
}
public void KindIsSetCorrectly()
{
var token = new GroupByToken(properties, null);
Assert.Equal(QueryTokenKind.AggregateGroupBy, token.Kind);
}
public void PropertiesSetCorrectly()
{
var token = new GroupByToken(properties, null);
((object)token.Properties).Should().Be(properties);
}
public void AggregateSetCorrectly()
{
var token = new GroupByToken(properties, aggregate);
Assert.Same(aggregate, ((object)token.Child));
}
private static void VerifyGroupByTokenProperties(IEnumerable <string> expectedEndPathIdentifiers, GroupByToken actual)
{
Assert.NotNull(actual);
if (expectedEndPathIdentifiers == null || !expectedEndPathIdentifiers.Any())
{
Assert.Empty(actual.Properties);
}
else
{
Assert.Equal(actual.Properties.Count(), expectedEndPathIdentifiers.Count());
List <string> expectedIdentifierList = expectedEndPathIdentifiers.ToList();
int i = 0;
foreach (EndPathToken actualProperty in actual.Properties)
{
Assert.NotNull(actualProperty);
EndPathToken endPathToken = actualProperty as EndPathToken;
Assert.NotNull(endPathToken);
Assert.Equal(endPathToken.Identifier, expectedIdentifierList[i]);
i++;
}
}
}
public void PropertiesSetCorrectly()
{
var token = new GroupByToken(properties, null);
((object)token.Properties).Should().Be(properties);
}
public void AggregateSetCorrectly()
{
var token = new GroupByToken(properties, aggregate);
((object)token.Child).Should().Be(aggregate);
}
public void KindIsSetCorrectly()
{
var token = new GroupByToken(properties, null);
token.Kind.Should().Be(QueryTokenKind.AggregateGroupBy);
}
public void PropertiesSetCorrectly()
{
var token = new GroupByToken(properties, null);
Assert.Same(properties, ((object)token.Properties));
}
public bool Visit(GroupByToken tokenIn)
{
throw new NotSupportedException(string.Format(CultureInfo.CurrentCulture, "QueryToken of type '{0}' is not supported.", tokenIn.Kind));
}