private static void CompileMiddleware(
ITypeCompletionContext context,
ObjectFieldDefinition definition,
ITypeReference argumentTypeReference,
FieldMiddleware placeholder,
string?scope)
{
IType resolvedType = context.GetType <IType>(argumentTypeReference);
if (!(resolvedType.ElementType().NamedType() is ISortInputType type))
{
throw Sorting_TypeOfInvalidFormat(resolvedType);
}
ISortConvention convention = context.DescriptorContext.GetSortConvention(scope);
var fieldDescriptor = ObjectFieldDescriptor.From(context.DescriptorContext, definition);
convention.ConfigureField(fieldDescriptor);
MethodInfo factory = _factoryTemplate.MakeGenericMethod(type.EntityType.Source);
var middleware = (FieldMiddleware)factory.Invoke(null, new object[] { convention }) !;
var index = definition.MiddlewareComponents.IndexOf(placeholder);
definition.MiddlewareComponents[index] = middleware;
}
public void SetResolverAndInferTypeFromResolver()
{
// arrange
var descriptor =
ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"));
// act
descriptor.Resolver(() => "ThisIsAString");
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
ITypeReference typeRef = description.Type;
Assert.Equal(
typeof(NativeType <string>),
Assert.IsType <ClrTypeReference>(typeRef).Type);
Assert.NotNull(description.Resolver);
var context = new Mock <IResolverContext>(MockBehavior.Strict);
Assert.Equal("ThisIsAString",
description.Resolver(context.Object).Result);
}
protected ObjectFieldDescriptor Field(NameString name)
{
var fieldDescriptor = new ObjectFieldDescriptor(
name.EnsureNotEmpty(nameof(name)));
Fields.Add(fieldDescriptor);
return(fieldDescriptor);
}
public void OverwriteName()
{
// arrange
var descriptor = ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"));
// act
descriptor.Name("args");
// assert
Assert.Equal("args", descriptor.CreateDefinition().Name);
}
protected static ObjectFieldDescriptor CreateFieldDescriptor(
Type sourceType, Type resolverType, MemberInfo member)
{
var fieldDescriptor = new ObjectFieldDescriptor(
member, sourceType);
if (resolverType != sourceType)
{
fieldDescriptor.ResolverType(resolverType);
}
return(fieldDescriptor);
}
public void OverwriteName()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
((IObjectFieldDescriptor)descriptor)
.Name("args");
// assert
Assert.Equal("args", descriptor.CreateDescription().Name);
}
private static ObjectFieldDescription ExecuteConfigure(
NameString fieldName,
Action <IObjectFieldDescriptor> configure)
{
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
var descriptor = new ObjectFieldDescriptor(fieldName);
configure(descriptor);
return(descriptor.CreateDescription());
}
public void OverwriteName()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
"Field", typeof(ObjectField).GetProperty("Arguments"),
typeof(IReadOnlyDictionary <string, InputField>));
// act
((IObjectFieldDescriptor)descriptor)
.Name("args");
// assert
Assert.Equal("args", descriptor.CreateDescription().Name);
}
public void SetDescription()
{
// arrange
string expectedDescription = Guid.NewGuid().ToString();
var descriptor = ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"));
// act
descriptor.Description(expectedDescription);
// assert
Assert.Equal(expectedDescription,
descriptor.CreateDefinition().Description);
}
public void ResolverTypeIsSet()
{
// arrange
// act
var descriptor =
ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"),
typeof(string));
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
Assert.Equal(typeof(string), description.ResolverType);
}
public void SourceTypeIsSet()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
((IObjectFieldDescriptor)descriptor)
.Name("args");
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
Assert.Equal(typeof(ObjectField), description.SourceType);
}
public void ResolverTypeIsSet()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
descriptor.ResolverType(typeof(string));
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
Assert.Equal(typeof(ObjectField), description.SourceType);
Assert.Equal(typeof(string), description.ResolverType);
}
public void SchemaTypesOverwriteDotNetTypes()
{
// arrange
var descriptor = new ObjectFieldDescriptor("Type", "field");
// act
((IObjectFieldDescriptor)descriptor)
.Type <NativeType <IReadOnlyDictionary <string, string> > >()
.Type <ListType <StringType> >();
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
TypeReference typeRef = description.TypeReference;
Assert.Equal(typeof(ListType <StringType>), typeRef.ClrType);
}
public void SetDescription()
{
// arrange
string expectedDescription = Guid.NewGuid().ToString();
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
((IObjectFieldDescriptor)descriptor)
.Description(expectedDescription);
// assert
Assert.Equal(expectedDescription,
descriptor.CreateDescription().Description);
}
public void SetNonGenericType()
{
// arrange
var descriptor =
ObjectFieldDescriptor.New(Context, "field");
// act
descriptor.Type(typeof(StringType));
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
ITypeReference typeRef = description.Type;
Assert.Equal(
typeof(StringType),
Assert.IsType <ClrTypeReference>(typeRef).Type);
}
public void SchemaTypesOverwriteDotNetTypes()
{
// arrange
var descriptor =
ObjectFieldDescriptor.New(Context, "field");
// act
descriptor
.Type <NativeType <IReadOnlyDictionary <string, string> > >()
.Type <ListType <StringType> >();
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
ITypeReference typeRef = description.Type;
Assert.Equal(typeof(ListType <StringType>),
Assert.IsType <ClrTypeReference>(typeRef).Type);
}
public void SetResolverAndInferTypeIsAlwaysRecognosedAsDotNetType()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
((IObjectFieldDescriptor)descriptor)
.Type <__Type>()
.Resolver(ctx => ctx.Schema
.GetType <INamedType>(ctx.Argument <string>("type")));
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
Assert.Equal(typeof(__Type), description.TypeReference.ClrType);
Assert.NotNull(description.Resolver);
}
public void ResolverTypesDoNotOverwriteSchemaTypes()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
typeof(ObjectField).GetProperty("Arguments"),
typeof(ObjectField));
// act
((IObjectFieldDescriptor)descriptor)
.Name("args")
.Type <NonNullType <ListType <NonNullType <__InputValue> > > >()
.Resolver(c => c.Parent <ObjectField>().Arguments);
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
TypeReference typeRef = description.TypeReference;
Assert.Equal(typeof(NonNullType <ListType <NonNullType <__InputValue> > >), typeRef.ClrType);
}
private static void CompileMiddleware(
ITypeCompletionContext context,
ObjectFieldDefinition definition,
ITypeReference argumentTypeReference,
FieldMiddleware placeholder,
string?scope)
{
IFilterInputType type = context.GetType <IFilterInputType>(argumentTypeReference);
IFilterConvention convention = context.DescriptorContext.GetFilterConvention(scope);
var fieldDescriptor = ObjectFieldDescriptor.From(context.DescriptorContext, definition);
convention.ConfigureField(fieldDescriptor);
MethodInfo factory = _factoryTemplate.MakeGenericMethod(type.EntityType.Source);
var middleware = (FieldMiddleware)factory.Invoke(null, new object[] { convention }) !;
var index = definition.MiddlewareComponents.IndexOf(placeholder);
definition.MiddlewareComponents[index] = middleware;
}
public void SetResolverAndInferTypeFromResolver()
{
// arrange
var descriptor = new ObjectFieldDescriptor(
"Field", typeof(ObjectField).GetProperty("Arguments"),
typeof(IReadOnlyDictionary <string, InputField>));
// act
((IObjectFieldDescriptor)descriptor)
.Resolver(() => "ThisIsAString");
// assert
ObjectFieldDescription description = descriptor.CreateDescription();
Assert.Equal(typeof(NativeType <string>), description.TypeReference.NativeType);
Assert.NotNull(description.Resolver);
Mock <IResolverContext> context = new Mock <IResolverContext>(MockBehavior.Strict);
Assert.Equal("ThisIsAString", description.Resolver(context.Object, default));
}
public void ResolverTypesDoNotOverwriteSchemaTypes()
{
// arrange
var descriptor = ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"));
// act
descriptor
.Name("args")
.Type <NonNullType <ListType <NonNullType <__InputValue> > > >()
.Resolver(c => c.Parent <ObjectField>().Arguments);
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
ITypeReference typeRef = description.Type;
Assert.Equal(
typeof(NonNullType <ListType <NonNullType <__InputValue> > >),
Assert.IsType <ClrTypeReference>(typeRef).Type);
}
protected ObjectFieldDescriptor Field(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException(
"The field name cannot be null or empty.",
nameof(name));
}
if (!ValidationHelper.IsFieldNameValid(name))
{
throw new ArgumentException(
"The specified name is not a valid GraphQL field name.",
nameof(name));
}
var fieldDescriptor = new ObjectFieldDescriptor(
ObjectDescription.Name, name);
Fields.Add(fieldDescriptor);
return(fieldDescriptor);
}
public void SetResolverAndInferTypeIsAlwaysRecognisedAsDotNetType()
{
// arrange
var descriptor =
ObjectFieldDescriptor.New(
Context,
typeof(ObjectField).GetProperty("Arguments"));
// act
descriptor
.Type <__Type>()
.Resolver(ctx => ctx.Schema
.GetType <INamedType>(ctx.Argument <string>("type")));
// assert
ObjectFieldDefinition description = descriptor.CreateDefinition();
ITypeReference typeRef = description.Type;
Assert.Equal(
typeof(__Type),
Assert.IsType <ClrTypeReference>(typeRef).Type);
Assert.NotNull(description.Resolver);
}
protected ObjectFieldDescriptor Field <TResolver>(
Expression <Func <TResolver, object> > propertyOrMethod)
{
if (propertyOrMethod == null)
{
throw new ArgumentNullException(nameof(propertyOrMethod));
}
MemberInfo member = propertyOrMethod.ExtractMember();
if (member is PropertyInfo || member is MethodInfo)
{
ObjectFieldDescriptor fieldDescriptor =
CreateFieldDescriptor(
ObjectDescription.ClrType,
typeof(TResolver), member);
Fields.Add(fieldDescriptor);
return(fieldDescriptor);
}
throw new ArgumentException(
"A field of an entity can only be a property or a method.",
nameof(member));
}
public void Type_Syntax_Type_Null()
{
void Error() => ObjectFieldDescriptor.New(Context, "foo").Type((string)null);
Assert.Throws <ArgumentNullException>(Error);
}
