public void IntegrationTest_ApplyRequestsAtSameLevel_FetchOne()
{
var node1 = new FetchOneExpressionNode(CreateParseInfo(), ExpressionHelper.CreateLambdaExpression <Cook, Cook> (s => s.Substitution));
var node2 = new ThenFetchManyExpressionNode(
CreateParseInfo(node1), ExpressionHelper.CreateLambdaExpression <Cook, IEnumerable <Cook> > (s => s.Assistants));
var node3 = new FetchOneExpressionNode(CreateParseInfo(node2), ExpressionHelper.CreateLambdaExpression <Cook, Cook> (s => s.Substitution));
var node4 = new ThenFetchOneExpressionNode(CreateParseInfo(node3), ExpressionHelper.CreateLambdaExpression <Cook, bool> (s => s.IsStarredCook));
node1.Apply(QueryModel, ClauseGenerationContext);
node2.Apply(QueryModel, ClauseGenerationContext);
node3.Apply(QueryModel, ClauseGenerationContext);
node4.Apply(QueryModel, ClauseGenerationContext);
Assert.That(QueryModel.ResultOperators.Count, Is.EqualTo(1));
var fetchRequest1 = ((FetchOneRequest)QueryModel.ResultOperators[0]);
Assert.That(fetchRequest1.RelationMember, Is.EqualTo(typeof(Cook).GetProperty("Substitution")));
Assert.That(fetchRequest1.InnerFetchRequests.Count(), Is.EqualTo(2));
var fetchRequest2 = ((FetchManyRequest)fetchRequest1.InnerFetchRequests.First());
Assert.That(fetchRequest2.RelationMember, Is.EqualTo(typeof(Cook).GetProperty("Assistants")));
Assert.That(fetchRequest2.InnerFetchRequests.Count(), Is.EqualTo(0));
var fetchRequest3 = ((FetchOneRequest)fetchRequest1.InnerFetchRequests.Skip(1).Single());
Assert.That(fetchRequest3.RelationMember, Is.EqualTo(typeof(Cook).GetProperty("IsStarredCook")));
Assert.That(fetchRequest3.InnerFetchRequests.Count(), Is.EqualTo(0));
}
public void Apply_AddsMappingForExisting()
{
_node.Apply(QueryModel, ClauseGenerationContext);
var node = new ThenFetchManyExpressionNode(CreateParseInfo(_sourceFetchRequestNode), ExpressionHelper.CreateLambdaExpression <Cook, IEnumerable <Cook> > (s => s.Assistants));
node.Apply(QueryModel, ClauseGenerationContext);
var innerFetchRequest = ((FetchRequestBase)QueryModel.ResultOperators[0]).InnerFetchRequests.Single();
Assert.That(ClauseGenerationContext.GetContextInfo(node), Is.SameAs(innerFetchRequest));
}
public override void SetUp()
{
base.SetUp();
_sourceFetchRequest = new TestFetchRequest(typeof(Cook).GetProperty("Substitution"));
_sourceFetchRequestNode = new MainSourceExpressionNode("x", Expression.Constant(new Cook[0]));
ClauseGenerationContext.AddContextInfo(_sourceFetchRequestNode, _sourceFetchRequest);
QueryModel.ResultOperators.Add(_sourceFetchRequest);
_node = new ThenFetchManyExpressionNode(CreateParseInfo(_sourceFetchRequestNode), ExpressionHelper.CreateLambdaExpression <Cook, IEnumerable <Cook> > (s => s.Assistants));
}
public void Apply_WithoutPreviousFetchRequest()
{
var node = new ThenFetchManyExpressionNode(CreateParseInfo(), ExpressionHelper.CreateLambdaExpression <Cook, IEnumerable <Cook> > (s => s.Assistants));
node.Apply(QueryModel, ClauseGenerationContext);
}