public void CreateSourcePropertyResolver()
{
// arrange
var context = new Mock <IResolverContext>(MockBehavior.Strict);
context.Setup(t => t.Parent <FooType>())
.Returns(new FooType());
context.Setup(t => t.RequestAborted)
.Returns(CancellationToken.None);
var fieldMember = new FieldMember(
"type", "field", typeof(FooType).GetProperty("BarProperty"));
var descriptor = new SourceResolverDescriptor(
typeof(FooType), fieldMember);
// act
var resolverBuilder = new ResolverBuilder();
resolverBuilder.AddDescriptor(descriptor);
ResolverBuilderResult result = resolverBuilder.Build();
// assert
Assert.Collection(result.Resolvers,
r =>
{
Assert.Equal("type", r.TypeName);
Assert.Equal("field", r.FieldName);
Assert.NotNull(r.Resolver);
object resolvedResult = r.Resolver(
context.Object).Result;
Assert.Equal("Hello World Property", resolvedResult);
});
}
public static void Compile(
IDictionary <FieldReference, RegisteredResolver> resolvers)
{
if (resolvers == null)
{
throw new ArgumentNullException(nameof(resolvers));
}
var resolverBuilder = new ResolverBuilder();
foreach (RegisteredResolver resolver in resolvers.Values)
{
if (resolver.Field is FieldMember member)
{
if (resolver.IsSourceResolver)
{
resolverBuilder.AddDescriptor(
new SourceResolverDescriptor(
resolver.SourceType, member));
}
else
{
resolverBuilder.AddDescriptor(
new ResolverDescriptor(
resolver.ResolverType,
resolver.SourceType,
member));
}
}
}
ResolverBuilderResult result = resolverBuilder.Build();
foreach (FieldResolver resolver in result.Resolvers)
{
var reference = resolver.ToFieldReference();
if (resolvers.TryGetValue(reference,
out RegisteredResolver registered))
{
resolvers[reference] = registered.WithField(resolver);
}
}
}
public void CreateAsyncCollectionMethodResolver()
{
// arrange
var context = new Mock <IResolverContext>(MockBehavior.Strict);
context.Setup(t => t.Parent <FooType>())
.Returns(new FooType());
context.Setup(t => t.Resolver <FooTypeResolver>())
.Returns(new FooTypeResolver());
context.Setup(t => t.RequestAborted)
.Returns(CancellationToken.None);
var argumentDescriptor =
new ArgumentDescriptor(
"foo", "b", ArgumentKind.Source,
typeof(FooType),
null);
var fieldMember = new FieldMember(
"type", "field",
typeof(FooTypeResolver).GetMethod("BarResolverAsync"));
var descriptor = new ResolverDescriptor(
typeof(FooTypeResolver),
typeof(FooType),
fieldMember,
new[] { argumentDescriptor });
// act
var resolverBuilder = new ResolverBuilder();
resolverBuilder.AddDescriptor(descriptor);
ResolverBuilderResult result = resolverBuilder.Build();
// assert
Assert.Collection(result.Resolvers,
r =>
{
Assert.Equal("type", r.TypeName);
Assert.Equal("field", r.FieldName);
Assert.NotNull(r.Resolver);
object resolvedValue = r.Resolver(
context.Object)
.Result;
Assert.Equal("Hello World_123", resolvedValue);
});
}