private static IResolveFieldContext CreateResolveFieldContext(ISchema schema, string query)
{
var documentBuilder = new GraphQLDocumentBuilder();
var document = documentBuilder.Build(query);
schema.Initialize();
var executionContext = new ExecutionContext
{
Document = document,
Schema = schema,
Fragments = document.Fragments,
Operation = document.Operations.First()
};
var root = new RootExecutionNode(schema.Query)
{
Result = executionContext.RootValue
};
var fields = ExecutionHelper.CollectFields(executionContext, schema.Query, executionContext.Operation.SelectionSet);
ExecutionStrategy.SetSubFieldNodes(executionContext, root, fields);
var subNode = root.SubFields.FirstOrDefault();
return(new ReadonlyResolveFieldContext(subNode.Value, executionContext));
}
public void MergeFieldAndFragment()
{
var fragment = new FragmentDefinition(new NameNode("fragment"));
var fragmentSelection = new SelectionSet();
fragmentSelection.Add(FirstTestField);
fragment.SelectionSet = fragmentSelection;
fragment.Type = new GraphQL.Language.AST.NamedType(
new NameNode("Person"));
var fragments = new Fragments { fragment };
var schema = new Schema();
schema.RegisterType(new PersonType());
var context = new ExecutionContext
{
Fragments = fragments,
Schema = schema
};
var fragSpread = new FragmentSpread(new NameNode("fragment"));
var outerSelection = new SelectionSet();
outerSelection.Add(fragSpread);
outerSelection.Add(SecondTestField);
var fields = ExecutionHelper.CollectFields(
context,
new PersonType(),
outerSelection);
fields.ShouldHaveSingleItem();
fields["test"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(FirstInnerField));
fields["test"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(SecondInnerField));
}
public void BeMergedCorrectlyInCaseOfFields()
{
var outerSelection = new SelectionSet();
outerSelection.Add(FirstTestField);
outerSelection.Add(SecondTestField);
var fields = ExecutionHelper.CollectFields(new ExecutionContext(), null, outerSelection);
fields.ContainsKey("test").ShouldBeTrue();
fields["test"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(FirstInnerField));
fields["test"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(SecondInnerField));
}
public void NotMergeAliasedFields()
{
var outerSelection = new SelectionSet();
outerSelection.Add(FirstTestField);
outerSelection.Add(AliasedTestField);
var fields = ExecutionHelper.CollectFields(new ExecutionContext(), null, outerSelection);
fields["test"].SelectionSet.Selections.ShouldHaveSingleItem();
fields["test"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(FirstInnerField));
fields["alias"].SelectionSet.Selections.ShouldHaveSingleItem();
fields["alias"].SelectionSet.Selections.ShouldContain(x => x.IsEqualTo(SecondInnerField));
}