public void NestedGroupbyTransformationsIsAllowed()
{
var result = this.ParseExpandOptions("($apply=groupby((Customer/CountryRegion,Product/Name),aggregate(Amount with sum as Total)))");
result.Should().NotBeNull();
QueryToken token = result.ApplyOptions.Single();
token.Should().BeOfType <GroupByToken>();
GroupByToken groupBy = token as GroupByToken;
groupBy.Properties.Should().HaveCount(2);
QueryToken queryToken = groupBy.Properties.ElementAt(0);
EndPathToken pathToken = queryToken.ShouldBeEndPathToken("CountryRegion");
pathToken.NextToken.ShouldBeInnerPathToken("Customer");
queryToken = groupBy.Properties.ElementAt(1);
pathToken = queryToken.ShouldBeEndPathToken("Name");
pathToken.NextToken.ShouldBeInnerPathToken("Product");
groupBy.Child.Should().NotBeNull();
groupBy.Child.Should().BeOfType <AggregateToken>();
AggregateToken aggregate = groupBy.Child as AggregateToken;
AggregateExpressionToken aggregateExpressionToken = aggregate.Expressions.Single();
aggregateExpressionToken.Alias.Should().Equals("Total");
aggregateExpressionToken.Method.Should().Equals(AggregationMethod.Sum);
aggregateExpressionToken.Expression.ShouldBeEndPathToken("Amount");
}
public void NestedGroupbyTransformationsInExpandIsAllowed()
{
// Arrange & Act
ExpandTermToken expandTerm = this.ParseExpandOptions("($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");
}
private AggregateExpression BindAggregateExpressionToken(AggregateExpressionToken token)
{
var expression = this.bindMethod(token.Expression) as SingleValueNode;
if (expression == null)
{
throw new ODataException(ODataErrorStrings.ApplyBinder_AggregateExpressionNotSingleValue(token.Expression));
}
var typeReference = CreateAggregateExpressionTypeReference(expression, token.Method);
// TODO: Determine source
return new AggregateExpression(expression, token.Method, token.Alias, typeReference);
}
public void NestedAggregateTransformationIsAllowed()
{
var result = this.ParseExpandOptions("($apply=aggregate(Amount with sum as Total))");
result.Should().NotBeNull();
QueryToken token = result.ApplyOptions.Single();
token.Should().BeOfType <AggregateToken>();
AggregateToken aggregate = token as AggregateToken;
AggregateExpressionToken aggregateExpressionToken = aggregate.Expressions.Single();
aggregateExpressionToken.Alias.Should().Equals("Total");
aggregateExpressionToken.Method.Should().Equals(AggregationMethod.Sum);
aggregateExpressionToken.Expression.ShouldBeEndPathToken("Amount");
}
public void NestedAggregateTransformationInExpandIsAllowed()
{
// Arrange & Act
ExpandTermToken expandTerm = this.ParseExpandOptions("($apply=aggregate(Amount with sum as Total))");
// Assert
Assert.NotNull(expandTerm);
Assert.NotNull(expandTerm.ApplyOptions);
QueryToken token = Assert.Single(expandTerm.ApplyOptions);
AggregateToken aggregate = Assert.IsType <AggregateToken>(token);
AggregateExpressionToken aggregateExpressionToken = Assert.Single(aggregate.Expressions);
Assert.Equal("Total", aggregateExpressionToken.Alias);
Assert.Equal(AggregationMethod.Sum, aggregateExpressionToken.Method);
aggregateExpressionToken.Expression.ShouldBeEndPathToken("Amount");
}
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 KindIsSetCorrectly()
{
AggregateExpressionToken token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
Assert.Equal(QueryTokenKind.AggregateExpression, token.Kind);
}
/// <summary>
/// Visits an AggregateExpressionToken
/// </summary>
/// <param name="tokenIn">The AggregateExpressionToken to visit</param>
/// <returns>A T bound to this AggregateExpressionToken</returns>
public virtual T Visit(AggregateExpressionToken tokenIn)
{
throw new NotImplementedException();
}
public void ExpressionSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.Sum, "Alias");
token.Expression.Should().Be(expressionToken);
}
public bool Visit(AggregateExpressionToken tokenIn)
{
throw new NotSupportedException(string.Format(CultureInfo.CurrentCulture, "QueryToken of type '{0}' is not supported.", tokenIn.Kind));
}
public void KindIsSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Kind.Should().Be(QueryTokenKind.AggregateExpression);
}
public void WithVerbSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Method.Should().Be(AggregationMethod.CountDistinct);
}
public void WithVerbSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Method.Should().Be(AggregationMethod.CountDistinct);
}
public void AliasSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Alias.Should().BeEquivalentTo("Alias");
}
public void AliasSetCorrectly()
{
AggregateExpressionToken token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
Assert.Equal("Alias", token.Alias);
}
private static void VerifyAggregateExpressionToken(string expectedEndPathIdentifier, AggregationMethodDefinition expectedVerb, string expectedAlias, AggregateExpressionToken actual)
{
actual.Expression.Should().NotBeNull();
EndPathToken expression = actual.Expression as EndPathToken;
expression.Should().NotBeNull();
expression.Identifier.Should().Be(expectedEndPathIdentifier);
actual.MethodDefinition.MethodLabel.Should().Be(expectedVerb.MethodLabel);
actual.MethodDefinition.MethodKind.Should().Be(expectedVerb.MethodKind);
actual.Alias.Should().Be(expectedAlias);
}
private static void VerifyAggregateExpressionToken(string expectedEndPathIdentifier, AggregationMethodDefinition expectedVerb, string expectedAlias, AggregateExpressionToken actual)
{
Assert.NotNull(actual.Expression);
EndPathToken expression = actual.Expression as EndPathToken;
Assert.NotNull(expression);
Assert.Equal(expectedEndPathIdentifier, expression.Identifier);
Assert.Equal(expectedVerb.MethodLabel, actual.MethodDefinition.MethodLabel);
Assert.Equal(expectedVerb.MethodKind, actual.MethodDefinition.MethodKind);
Assert.Equal(expectedAlias, actual.Alias);
}
public void KindIsSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Kind.Should().Be(QueryTokenKind.AggregateExpression);
}
public void AliasSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.CountDistinct, "Alias");
token.Alias.Should().BeEquivalentTo("Alias");
}
public void ExpressionSetCorrectly()
{
var token = new AggregateExpressionToken(expressionToken, AggregationMethod.Sum, "Alias");
token.Expression.Should().Be(expressionToken);
}
public void ExpressionSetCorrectly()
{
AggregateExpressionToken token = new AggregateExpressionToken(expressionToken, AggregationMethod.Sum, "Alias");
Assert.Same(expressionToken, token.Expression);
}
