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 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);
}
pathBuilder.ProjectionPaths.Should().HaveCount(2);
pathBuilder.ProjectionPaths.Should().Contain(x => x == "TestProperty1")
.And.Contain(x => x == "TestProperty2");
}
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("AstoriaUnitTests.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))");
}
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)");
}
