public void Resolver_IResolverContextTaskOfObject_ResolverNull_ArgExc()
{
// arrange
var descriptor = new Mock <IObjectFieldDescriptor>();
// act
void Action() => ResolverObjectFieldDescriptorExtensions.Resolver(
descriptor.Object,
default(Func <IResolverContext, Task <object> >) !);
// assert
Assert.Throws <ArgumentNullException>(Action);
}
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));
}