public void PushingANewParameterExpressionResetsTheBasePath()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe1 = Expression.Parameter(typeof(TestEntity), "pe1");
ParameterExpression pe2 = Expression.Parameter(typeof(SubTestEntity1), "pe2");
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
PropertyInfo subNavPropInfo = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "NavProp3");
PropertyInfo subTestProperty = typeof(SubTestEntity2).GetProperties().Single();
pathBuilder.PushParamExpression(pe1);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subNavPropInfo, null, dsc);
pathBuilder.PushParamExpression(pe2);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(subTestProperty, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($expand=NavProp3($select=SubTestProperty))");
}
public void SingleExpansionBecomesExpand()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter((typeof(TestEntity)));
pathBuilder.PushParamExpression(pe);
PropertyInfo navPropPropertyInfo = typeof(TestEntity).GetProperties().Single(x => x.PropertyType == typeof(SubTestEntity1));
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropPropertyInfo, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1");
}
public void SingleProjectionBecomesSelect()
{
PropertyInfo testProperty1Info = typeof(TestEntity).GetProperties().Single(x => x.Name == "TestProperty1");
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(testProperty1Info, null, this.dsc);
pathBuilder.ProjectionPaths.Single().Should().Be("TestProperty1");
}
public void SingleProjectionBecomesSelect()
{
PropertyInfo testProperty1Info = typeof(TestEntity).GetProperties().Single(x => x.Name == "TestProperty1");
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(testProperty1Info, null, this.dsc);
pathBuilder.ProjectionPaths.Single().Should().Be("TestProperty1");
}
public void TypeIsPrePendedAsATypeSegment()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo testProperty1Info = typeof(TestEntity).GetProperties().Single(x => x.Name == "TestProperty1");
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(testProperty1Info, typeof(TestEntity), dsc);
pathBuilder.ProjectionPaths.Single().Should().Be("Microsoft.OData.Client.Tests.ALinq.SelectExpandPathBuilderTests+TestEntity/TestProperty1");
}
public void SingleExpansionBecomesExpand()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter((typeof(TestEntity)));
pathBuilder.PushParamExpression(pe);
PropertyInfo navPropPropertyInfo = typeof(TestEntity).GetProperties().Single(x => x.PropertyType == typeof(SubTestEntity1));
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropPropertyInfo, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1");
}
public void ExpansionThroughMultipleNavPropsIsExpressedAsExpandOptions()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
PropertyInfo subNavPropInfo = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "NavProp3");
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subNavPropInfo, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($expand=NavProp3)");
}
public void ProjectionThroughMultipleNavPropsBecomeExpandOptions()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo subTestEntityProperty = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "SubTestProperty");
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subTestEntityProperty, null, dsc);
Assert.Equal("NavProp1($select=SubTestProperty)", pathBuilder.ExpandPaths.Single());
}
public void MultipleSingleLevelExpansionsBecomeExpandClauses()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
pathBuilder.PushParamExpression(pe);
foreach (PropertyInfo propertyInfo in typeof(TestEntity).GetProperties().Where(x => x.PropertyType != typeof(string)))
{
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(propertyInfo, null, dsc);
}
pathBuilder.ExpandPaths.Should().HaveCount(2);
pathBuilder.ExpandPaths.Should().Contain(x => x == "NavProp1")
.And.Contain(x => x == "NavProp2");
}
public void SelectingLowerLevelPropertyIsTranslatedIntoExpandOption()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
PropertyInfo subNavPropInfo = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "NavProp3");
PropertyInfo subTestProperty = typeof(SubTestEntity2).GetProperties().Single();
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subNavPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subTestProperty, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($expand=NavProp3($select=SubTestProperty))");
}
public void MultipleSingleLevelExpansionsBecomeExpandClauses()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
pathBuilder.PushParamExpression(pe);
foreach (PropertyInfo propertyInfo in typeof(TestEntity).GetProperties().Where(x => x.PropertyType != typeof(string)))
{
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(propertyInfo, null, dsc);
}
pathBuilder.ExpandPaths.Should().HaveCount(2);
pathBuilder.ExpandPaths.Should().Contain(x => x == "NavProp1")
.And.Contain(x => x == "NavProp2");
}
public void MultipleSingleLevelProjectionsBecomeSelectClauses()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
pathBuilder.PushParamExpression(pe);
foreach (PropertyInfo propertyInfo in typeof(TestEntity).GetProperties().Where(x => x.PropertyType == typeof(string)))
{
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(propertyInfo, null, this.dsc);
}
Assert.Equal(2, pathBuilder.ProjectionPaths.Count());
Assert.Contains("TestProperty1", pathBuilder.ProjectionPaths);
Assert.Contains("TestProperty2", pathBuilder.ProjectionPaths);
}
private static void Analyze(LambdaExpression e, SelectExpandPathBuilder pb, DataServiceContext context)
{
bool knownEntityType = ClientTypeUtil.TypeOrElementTypeIsEntity(e.Body.Type);
ParameterExpression pe = e.Parameters.Last();
bool isEntityParameter = ClientTypeUtil.TypeOrElementTypeIsEntity(pe.Type);
if (isEntityParameter)
{
pb.PushParamExpression(pe);
}
if (!knownEntityType)
{
NonEntityProjectionAnalyzer.Analyze(e.Body, pb, context);
}
else
{
switch (e.Body.NodeType)
{
case ExpressionType.MemberInit:
EntityProjectionAnalyzer.Analyze((MemberInitExpression)e.Body, pb, context);
break;
case ExpressionType.New:
throw new NotSupportedException(Strings.ALinq_CannotConstructKnownEntityTypes);
case ExpressionType.Constant:
throw new NotSupportedException(Strings.ALinq_CannotCreateConstantEntity);
default:
// ExpressionType.MemberAccess as a top-level expression is correctly
// processed here, as the lambda isn't being member-initialized.
NonEntityProjectionAnalyzer.Analyze(e.Body, pb, context);
break;
}
}
if (isEntityParameter)
{
pb.PopParamExpression();
}
}
public void ProjectionThroughMultipleNavPropsBecomeExpandOptions()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo subTestEntityProperty = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "SubTestProperty");
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subTestEntityProperty, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($select=SubTestProperty)");
}
public void TypeIsPrePendedAsATypeSegment()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo testProperty1Info = typeof(TestEntity).GetProperties().Single(x => x.Name == "TestProperty1");
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(testProperty1Info, typeof(TestEntity), dsc);
pathBuilder.ProjectionPaths.Single().Should().Be("Microsoft.OData.Client.Tests.ALinq.SelectExpandPathBuilderTests+TestEntity/TestProperty1");
}
public void PushingANewParameterExpressionResetsTheBasePath()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe1 = Expression.Parameter(typeof(TestEntity), "pe1");
ParameterExpression pe2 = Expression.Parameter(typeof(SubTestEntity1), "pe2");
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
PropertyInfo subNavPropInfo = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "NavProp3");
PropertyInfo subTestProperty = typeof(SubTestEntity2).GetProperties().Single();
pathBuilder.PushParamExpression(pe1);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subNavPropInfo, null, dsc);
pathBuilder.PushParamExpression(pe2);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(subTestProperty, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($expand=NavProp3($select=SubTestProperty))");
}
public void SelectingLowerLevelPropertyIsTranslatedIntoExpandOption()
{
SelectExpandPathBuilder pathBuilder = new SelectExpandPathBuilder();
ParameterExpression pe = Expression.Parameter(typeof(TestEntity));
PropertyInfo navPropInfo = typeof(TestEntity).GetProperties().Single(x => x.Name == "NavProp1");
PropertyInfo subNavPropInfo = typeof(SubTestEntity1).GetProperties().Single(x => x.Name == "NavProp3");
PropertyInfo subTestProperty = typeof(SubTestEntity2).GetProperties().Single();
pathBuilder.PushParamExpression(pe);
pathBuilder.StartNewPath();
pathBuilder.AppendPropertyToPath(navPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subNavPropInfo, null, dsc);
pathBuilder.AppendPropertyToPath(subTestProperty, null, dsc);
pathBuilder.ExpandPaths.Single().Should().Be("NavProp1($expand=NavProp3($select=SubTestProperty))");
}