private ValueTask <object?> ResolveRef(ISchema schema, ObjectType type)
{
var inClassResolverContextObject =
type.ContextData[WellKnownContextData.EntityResolver];
Assert.NotNull(inClassResolverContextObject);
FieldResolverDelegate inClassResolverDelegate =
Assert.IsType <FieldResolverDelegate>(inClassResolverContextObject);
IResolverContext context = CreateResolverContext(schema);
context.SetLocalValue("data", new ObjectValueNode());
return(inClassResolverDelegate.Invoke(context));
}
private static FieldDelegate CreateResolverMiddleware(
FieldResolverDelegate fieldResolver)
{
return(async ctx =>
{
if (!ctx.IsResultModified && fieldResolver != null)
{
Task <object> task = fieldResolver.Invoke(ctx);
ctx.Result = task == null
? null
: await task.ConfigureAwait(false);
}
});
}
public async Task Resolver_IResolverContextObject_ResolverIsSet()
{
// arrange
FieldResolverDelegate resolver = null;
var resolverFunc = new Func <IResolverContext, object>(_ => "foo");
var descriptor = new Mock <IObjectFieldDescriptor>(MockBehavior.Strict);
descriptor.Setup(t => t.Resolve(It.IsAny <FieldResolverDelegate>()))
.Returns(
new Func <FieldResolverDelegate, IObjectFieldDescriptor>(
r =>
{
resolver = r;
return(descriptor.Object);
}));
// act
ResolverObjectFieldDescriptorExtensions.Resolver(descriptor.Object, resolverFunc);
// assert
Assert.Equal("foo", await resolver.Invoke(
new Mock <IResolverContext>().Object));
}