public void prints_introspection_schema()
{
var schema = new Schema
{
Query = new ObjectGraphType
{
Name = "Root"
}
};
var printer = new SchemaPrinter(schema);
var result = Environment.NewLine + printer.PrintIntrospectionSchema();
const string expected = @"
schema {
query: Root
}
# Directs the executor to include this field or fragment only when the 'if' argument is true.
directive @include(
if: Boolean!
) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
# Directs the executor to skip this field or fragment when the 'if' argument is true.
directive @skip(
if: Boolean!
) on FIELD | FRAGMENT_SPREAD | INLINE_FRAGMENT
# Marks an element of a GraphQL schema as no longer supported.
directive @deprecated(
reason: String = ""No longer supported""
) on FIELD_DEFINITION | ENUM_VALUE
# A Directive provides a way to describe alternate runtime execution and type validation behavior in a GraphQL document.
#
# In some cases, you need to provide options to alter GraphQL's execution behavior
# in ways field arguments will not suffice, such as conditionally including or
# skipping a field. Directives provide this by describing additional information
# to the executor.
type __Directive {
name: String!
description: String
locations: [__DirectiveLocation!]!
args: [__InputValue!]!
onOperation: Boolean!
onFragment: Boolean!
onField: Boolean!
}
# A Directive can be adjacent to many parts of the GraphQL language, a
# __DirectiveLocation describes one such possible adjacencies.
enum __DirectiveLocation {
QUERY
MUTATION
SUBSCRIPTION
FIELD
FRAGMENT_DEFINITION
FRAGMENT_SPREAD
INLINE_FRAGMENT
SCHEMA
SCALAR
OBJECT
FIELD_DEFINITION
ARGUMENT_DEFINITION
INTERFACE
UNION
ENUM
ENUM_VALUE
INPUT_OBJECT
INPUT_FIELD_DEFINITION
}
# One possible value for a given Enum. Enum values are unique values, not a
# placeholder for a string or numeric value. However an Enum value is returned in
# a JSON response as a string.
type __EnumValue {
name: String!
description: String
isDeprecated: String!
deprecationReason: String
}
# Object and Interface types are described by a list of Fields, each of which has
# a name, potentially a list of arguments, and a return type.
type __Field {
name: String!
description: String
args: [__InputValue!]!
type: __Type!
isDeprecated: Boolean!
deprecationReason: String
}
# Arguments provided to Fields or Directives and the input fields of an
# InputObject are represented as Input Values which describe their type and
# optionally a default value.
type __InputValue {
name: String!
description: String
type: __Type!
defaultValue: String
}
# A GraphQL Schema defines the capabilities of a GraphQL server. It exposes all
# available types and directives on the server, as well as the entry points for
# query, mutation, and subscription operations.
type __Schema {
types: [__Type!]!
queryType: __Type!
mutationType: __Type
subscriptionType: __Type
directives: [__Directive!]!
}
# The fundamental unit of any GraphQL Schema is the type. There are many kinds of
# types in GraphQL as represented by the `__TypeKind` enum.
#
# Depending on the kind of a type, certain fields describe information about that
# type. Scalar types provide no information beyond a name and description, while
# Enum types provide their values. Object and Interface types provide the fields
# they describe. Abstract types, Union and Interface, provide the Object types
# possible at runtime. List and NonNull types compose other types.
type __Type {
kind: __TypeKind!
name: String
description: String
fields(includeDeprecated: Boolean = false): [__Field!]
interfaces: [__Type!]
possibleTypes: [__Type!]
enumValues(includeDeprecated: Boolean = false): [__EnumValue!]
inputFields: [__InputValue!]
ofType: __Type
}
# An enum describing what kind of type a given __Type is.
enum __TypeKind {
SCALAR
OBJECT
INTERFACE
UNION
ENUM
INPUT_OBJECT
LIST
NON_NULL
}
";
AssertEqual(result, expected, excludeScalars: true);
}
