public void Optimize(IPreparedOperation operation, ObjectType objectType)
{
Visit(
new OptimizerContext(operation),
operation.GetRootSelectionSet(),
null);
}
public void Prepare_Inline_Fragment()
{
// arrange
ISchema schema = SchemaBuilder.New()
.AddStarWarsTypes()
.Create();
DocumentNode document = Utf8GraphQLParser.Parse(
@"{
hero(episode: EMPIRE) {
name
... on Droid {
primaryFunction
}
... on Human {
homePlanet
}
}
}");
OperationDefinitionNode operationDefinition =
document.Definitions.OfType <OperationDefinitionNode>().Single();
// act
IPreparedOperation operation =
OperationCompiler.Compile(
"a",
document,
operationDefinition,
schema,
schema.QueryType,
new(new DefaultTypeConverter()));
// assert
ISelection hero = operation.GetRootSelectionSet().Selections.Single();
Assert.Equal("hero", hero.ResponseName);
Assert.Collection(
operation.GetSelectionSet(hero.SelectionSet !, schema.GetType <ObjectType>("Droid"))
.Selections,
selection => Assert.Equal("name", selection.ResponseName),
selection => Assert.Equal("primaryFunction", selection.ResponseName));
Assert.Collection(
operation.GetSelectionSet(hero.SelectionSet, schema.GetType <ObjectType>("Human"))
.Selections,
selection => Assert.Equal("name", selection.ResponseName),
selection => Assert.Equal("homePlanet", selection.ResponseName));
operation.Print().MatchSnapshot();
}