types:
- name: cannot be redeclared
input: |
type A {
name: String
}
type A {
name: String
}
error:
message: "Cannot redeclare type A."
locations: [{line: 4, column: 6}]
- name: cannot be duplicated field at same definition 1
input: |
type A {
name: String
name: String
}
error:
message: "Field A.name can only be defined once."
locations: [{line: 3, column: 3}]
- name: cannot be duplicated field at same definition 2
input: |
type A {
name: String
}
extend type A {
name: String
}
error:
message: "Field A.name can only be defined once."
locations: [{line: 5, column: 3}]
- name: cannot be duplicated field at same definition 3
input: |
type A {
name: String
}
extend type A {
age: Int
age: Int
}
error:
message: "Field A.age can only be defined once."
locations: [{line: 6, column: 3}]
object types:
- name: must define one or more fields
input: |
directive @D on OBJECT
# This pattern rejected by parser
# type InvalidObject1 {}
type InvalidObject2 @D
type ValidObject {
id: ID
}
extend type ValidObject @D
extend type ValidObject {
b: Int
}
error:
message: 'OBJECT must define one or more fields.'
locations: [{line: 6, column: 6}]
- name: check reserved names on type name
input: |
type __FooBar {
id: ID
}
error:
message: 'Name "__FooBar" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 1, column: 6}]
- name: check reserved names on type field
input: |
type FooBar {
__id: ID
}
error:
message: 'Name "__id" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 2, column: 3}]
- name: check reserved names on type field argument
input: |
type FooBar {
foo(__bar: ID): ID
}
error:
message: 'Name "__bar" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 2, column: 7}]
interfaces:
- name: must exist
input: |
type Thing implements Object {
id: ID!
}
type Query {
Things: [Thing!]!
}
error:
message: 'Undefined type "Object".'
locations: [{line: 1, column: 6}]
- name: must be an interface
input: |
type Thing implements Object {
id: ID!
}
type Query {
Things: [Thing!]!
}
type Object {
name: String
}
error:
message: '"Object" is a non interface type OBJECT.'
locations: [{line: 1, column: 6}]
- name: must define one or more fields
input: |
directive @D on INTERFACE
# This pattern rejected by parser
# interface InvalidInterface1 {}
interface InvalidInterface2 @D
interface ValidInterface {
id: ID
}
extend interface ValidInterface @D
extend interface ValidInterface {
b: Int
}
error:
message: 'INTERFACE must define one or more fields.'
locations: [{line: 6, column: 11}]
- name: check reserved names on type name
input: |
interface __FooBar {
id: ID
}
error:
message: 'Name "__FooBar" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 1, column: 11}]
inputs:
- name: must define one or more input fields
input: |
directive @D on INPUT_OBJECT
# This pattern rejected by parser
# input InvalidInput1 {}
input InvalidInput2 @D
input ValidInput {
id: ID
}
extend input ValidInput @D
extend input ValidInput {
b: Int
}
error:
message: 'INPUT_OBJECT must define one or more input fields.'
locations: [{line: 6, column: 7}]
- name: check reserved names on type name
input: |
input __FooBar {
id: ID
}
error:
message: 'Name "__FooBar" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 1, column: 7}]
enums:
- name: must define one or more unique enum values
input: |
directive @D on ENUM
# This pattern rejected by parser
# enum InvalidEmum1 {}
enum InvalidEnum2 @D
enum ValidEnum {
FOO
}
extend enum ValidEnum @D
extend enum ValidEnum {
BAR
}
error:
message: 'ENUM must define one or more unique enum values.'
locations: [{line: 6, column: 6}]
- name: check reserved names on type name
input: |
enum __FooBar {
A
B
}
error:
message: 'Name "__FooBar" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 1, column: 6}]
type extensions:
- name: cannot extend non existant types
input: |
extend type A {
name: String
}
error:
message: "Cannot extend type A because it does not exist."
locations: [{line: 1, column: 13}]
- name: cannot extend incorret type existant types
input: |
scalar A
extend type A {
name: String
}
error:
message: "Cannot extend type A because the base type is a SCALAR, not OBJECT."
locations: [{line: 2, column: 13}]
directives:
- name: cannot redeclare directives
input: |
directive @A on FIELD_DEFINITION
directive @A on FIELD_DEFINITION
error:
message: "Cannot redeclare directive A."
locations: [{line: 2, column: 12}]
- name: must be declared
input: |
type User {
name: String @foo
}
error:
message: "Undefined directive foo."
locations: [{line: 2, column: 17}]
- name: cannot be self-referential
input: |
directive @A(foo: Int! @A) on FIELD_DEFINITION
error:
message: "Directive A cannot refer to itself."
locations: [{line: 1, column: 25}]
- name: check reserved names on type name
input: |
directive @__A on FIELD_DEFINITION
error:
message: 'Name "__A" must not begin with "__", which is reserved by GraphQL introspection.'
locations: [{line: 1, column: 12}]
entry points:
- name: multiple schema entry points
input: |
schema {
query: Query
}
schema {
query: Query
}
scalar Query
error:
message: "Cannot have multiple schema entry points, consider schema extensions instead."
locations: [{line: 4, column: 8}]
- name: Undefined schema entrypoint
input: |
schema {
query: Query
}
error:
message: "Schema root query refers to a type Query that does not exist."
locations: [{line: 2, column: 3}]
entry point extensions:
- name: Undefined schema entrypoint
input: |
schema {
query: Query
}
scalar Query
extend schema {
mutation: Mutation
}
error:
message: "Schema root mutation refers to a type Mutation that does not exist."
locations: [{line: 6, column: 3}]
type references:
- name: Field types
input: |
type User {
posts: Post
}
error:
message: "Undefined type Post."
locations: [{line: 2, column: 10}]
- name: Arg types
input: |
type User {
posts(foo: FooBar): String
}
error:
message: "Undefined type FooBar."
locations: [{line: 2, column: 14}]
- name: Directive arg types
input: |
directive @Foo(foo: FooBar) on FIELD_DEFINITION
error:
message: "Undefined type FooBar."
locations: [{line: 1, column: 21}]
