Golang types.NewGraphQLInterfaceType函数代码示例

func TestTypeSystem_InterfaceTypesMustBeResolvable_AcceptsAnInterfaceTypeDefiningResolveTypeWithImplementingTypeDefiningIsTypeOf(t *testing.T) {

	anotherInterfaceType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "AnotherInterface",
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			return nil
		},
		Fields: types.GraphQLFieldConfigMap{
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	})
	_, err := schemaWithFieldType(types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:       "SomeObject",
		Interfaces: []*types.GraphQLInterfaceType{anotherInterfaceType},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			return true
		},
		Fields: types.GraphQLFieldConfigMap{
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	}))
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}

func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_RejectsAnObjectMissingAnInterfaceArgument(t *testing.T) {
	anotherInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "AnotherInterface",
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			return nil
		},
		Fields: types.GraphQLFieldConfigMap{
			"field": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Args: types.GraphQLFieldConfigArgumentMap{
					"input": &types.GraphQLArgumentConfig{
						Type: types.GraphQLString,
					},
				},
			},
		},
	})
	anotherObject := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name:       "AnotherObject",
		Interfaces: []*types.GraphQLInterfaceType{anotherInterface},
		Fields: types.GraphQLFieldConfigMap{
			"field": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	})
	_, err := schemaWithObjectFieldOfType(anotherObject)
	expectedError := `AnotherInterface.field expects argument "input" but AnotherObject.field does not provide it.`
	if err == nil || err.Error() != expectedError {
		t.Fatalf("Expected error: %v, got %v", expectedError, err)
	}
}

func TestTypeSystem_ObjectsCanOnlyImplementInterfaces_AcceptsAnObjectImplementingAnInterface(t *testing.T) {
	anotherInterfaceType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "AnotherInterface",
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			return nil
		},
		Fields: types.GraphQLFieldConfigMap{
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	})
	_, err := schemaWithObjectImplementingType(anotherInterfaceType)
	if err != nil {
		t.Fatalf(`unexpected error: %v"`, err)
	}
}

func TestTypeSystem_DefinitionExample_IncludesInterfacesThunkSubtypesInTheTypeMap(t *testing.T) {

	someInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "SomeInterface",
		Fields: types.GraphQLFieldConfigMap{
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLInt,
			},
		},
	})

	someSubType := types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "SomeSubtype",
		Fields: types.GraphQLFieldConfigMap{
			"f": &types.GraphQLFieldConfig{
				Type: types.GraphQLInt,
			},
		},
		Interfaces: (types.GraphQLInterfacesThunk)(func() []*types.GraphQLInterfaceType {
			return []*types.GraphQLInterfaceType{someInterface}
		}),
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			return true
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"iface": &types.GraphQLFieldConfig{
					Type: someInterface,
				},
			},
		}),
	})
	if err != nil {
		t.Fatalf("unexpected error, got: %v", err)
	}
	if schema.GetType("SomeSubtype") != someSubType {
		t.Fatalf(`schema.GetType("SomeSubtype") expected to equal someSubType, got: %v`, schema.GetType("SomeSubtype"))
	}
}

func schemaWithInterfaceFieldOfType(ttype types.GraphQLType) (types.GraphQLSchema, error) {

	badInterfaceType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "BadInterface",
		Fields: types.GraphQLFieldConfigMap{
			"badField": &types.GraphQLFieldConfig{
				Type: ttype,
			},
		},
	})
	return types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"f": &types.GraphQLFieldConfig{
					Type: badInterfaceType,
				},
			},
		}),
	})
}

/*
 Given a function to map from an ID to an underlying object, and a function
 to map from an underlying object to the concrete GraphQLObjectType it
 corresponds to, constructs a `Node` interface that objects can implement,
 and a field config for a `node` root field.

 If the typeResolver is omitted, object resolution on the interface will be
 handled with the `isTypeOf` method on object types, as with any GraphQL
interface without a provided `resolveType` method.
*/
func NewNodeDefinitions(config NodeDefinitionsConfig) *NodeDefinitions {
	nodeInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name:        "Node",
		Description: "An object with an ID",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLID),
				Description: "The id of the object",
			},
		},
		ResolveType: config.TypeResolve,
	})

	nodeField := &types.GraphQLFieldConfig{
		Name:        "Node",
		Description: "Fetches an object given its ID",
		Type:        nodeInterface,
		Args: types.GraphQLFieldConfigArgumentMap{
			"id": &types.GraphQLArgumentConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLID),
				Description: "The ID of an object",
			},
		},
		Resolve: func(p types.GQLFRParams) interface{} {
			if config.IdFetcher == nil {
				return nil
			}
			id := ""
			if iid, ok := p.Args["id"]; ok {
				id = fmt.Sprintf("%v", iid)
			}
			fetchedId := config.IdFetcher(id, p.Info)
			return fetchedId
		},
	}
	return &NodeDefinitions{
		NodeInterface: nodeInterface,
		NodeField:     nodeField,
	}
}

	Name: "Mutation",
	Fields: types.GraphQLFieldConfigMap{
		"writeArticle": &types.GraphQLFieldConfig{
			Type: blogArticle,
		},
	},
})

var objectType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Object",
	IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
		return true
	},
})
var interfaceType = types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
	Name: "Interface",
})
var unionType = types.NewGraphQLUnionType(types.GraphQLUnionTypeConfig{
	Name: "Union",
	Types: []*types.GraphQLObjectType{
		objectType,
	},
})
var enumType = types.NewGraphQLEnumType(types.GraphQLEnumTypeConfig{
	Name: "Enum",
	Values: types.GraphQLEnumValueConfigMap{
		"foo": &types.GraphQLEnumValueConfig{},
	},
})
var inputObjectType = types.NewGraphQLInputObjectType(types.InputObjectConfig{
	Name: "InputObject",

func init() {
	Luke = StarWarsChar{
		Id:         "1000",
		Name:       "Luke Skywalker",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Tatooine",
	}
	Vader = StarWarsChar{
		Id:         "1001",
		Name:       "Darth Vader",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Tatooine",
	}
	Han = StarWarsChar{
		Id:        "1002",
		Name:      "Han Solo",
		AppearsIn: []int{4, 5, 6},
	}
	Leia = StarWarsChar{
		Id:         "1003",
		Name:       "Leia Organa",
		AppearsIn:  []int{4, 5, 6},
		HomePlanet: "Alderaa",
	}
	Tarkin = StarWarsChar{
		Id:        "1004",
		Name:      "Wilhuff Tarkin",
		AppearsIn: []int{4},
	}
	Threepio = StarWarsChar{
		Id:              "2000",
		Name:            "C-3PO",
		AppearsIn:       []int{4, 5, 6},
		PrimaryFunction: "Protocol",
	}
	Artoo = StarWarsChar{
		Id:              "2001",
		Name:            "R2-D2",
		AppearsIn:       []int{4, 5, 6},
		PrimaryFunction: "Astromech",
	}
	Luke.Friends = append(Luke.Friends, []StarWarsChar{Han, Leia, Threepio, Artoo}...)
	Vader.Friends = append(Luke.Friends, []StarWarsChar{Tarkin}...)
	Han.Friends = append(Han.Friends, []StarWarsChar{Luke, Leia, Artoo}...)
	Leia.Friends = append(Leia.Friends, []StarWarsChar{Luke, Han, Threepio, Artoo}...)
	Tarkin.Friends = append(Tarkin.Friends, []StarWarsChar{Vader}...)
	Threepio.Friends = append(Threepio.Friends, []StarWarsChar{Luke, Han, Leia, Artoo}...)
	Artoo.Friends = append(Artoo.Friends, []StarWarsChar{Luke, Han, Leia}...)
	HumanData = map[int]StarWarsChar{
		1000: Luke,
		1001: Vader,
		1002: Han,
		1003: Leia,
		1004: Tarkin,
	}
	DroidData = map[int]StarWarsChar{
		2000: Threepio,
		2001: Artoo,
	}

	episodeEnum := types.NewGraphQLEnumType(types.GraphQLEnumTypeConfig{
		Name:        "Episode",
		Description: "One of the films in the Star Wars Trilogy",
		Values: types.GraphQLEnumValueConfigMap{
			"NEWHOPE": &types.GraphQLEnumValueConfig{
				Value:       4,
				Description: "Released in 1977.",
			},
			"EMPIRE": &types.GraphQLEnumValueConfig{
				Value:       5,
				Description: "Released in 1980.",
			},
			"JEDI": &types.GraphQLEnumValueConfig{
				Value:       6,
				Description: "Released in 1983.",
			},
		},
	})

	characterInterface := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name:        "Character",
		Description: "A character in the Star Wars Trilogy",
		Fields: types.GraphQLFieldConfigMap{
			"id": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLNonNull(types.GraphQLString),
				Description: "The id of the character.",
			},
			"name": &types.GraphQLFieldConfig{
				Type:        types.GraphQLString,
				Description: "The name of the character.",
			},
			"appearsIn": &types.GraphQLFieldConfig{
				Type:        types.NewGraphQLList(episodeEnum),
				Description: "Which movies they appear in.",
			},
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			if character, ok := value.(StarWarsChar); ok {
				id, _ := strconv.Atoi(character.Id)
				human := GetHuman(id)
//.........这里部分代码省略.........

func TestUnionIntersectionTypes_GetsExecutionInfoInResolver(t *testing.T) {

	var encounteredSchema *types.GraphQLSchema
	var encounteredRootValue interface{}

	var personType2 *types.GraphQLObjectType

	namedType2 := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "Named",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			encounteredSchema = &info.Schema
			encounteredRootValue = info.RootValue
			return personType2
		},
	})

	personType2 = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Person",
		Interfaces: []*types.GraphQLInterfaceType{
			namedType2,
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
			"friends": &types.GraphQLFieldConfig{
				Type: types.NewGraphQLList(namedType2),
			},
		},
	})

	schema2, _ := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: personType2,
	})

	john2 := &testPerson{
		Name: "John",
		Friends: []testNamedType{
			liz,
		},
	}

	doc := `{ name, friends { name } }`
	expected := &types.GraphQLResult{
		Data: map[string]interface{}{
			"name": "John",
			"friends": []interface{}{
				map[string]interface{}{
					"name": "Liz",
				},
			},
		},
	}
	// parse query
	ast := testutil.Parse(t, doc)

	// execute
	ep := executor.ExecuteParams{
		Schema: schema2,
		AST:    ast,
		Root:   john2,
	}
	result := testutil.Execute(t, ep)
	if len(result.Errors) != len(expected.Errors) {
		t.Fatalf("Unexpected errors, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
	}
	if !reflect.DeepEqual(expected, result) {
		t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
	}
}

type testCat2 struct {
	Name  string `json:"name"`
	Meows bool   `json:"meows"`
}

type testPerson struct {
	Name    string          `json:"name"`
	Pets    []testPet       `json:"pets"`
	Friends []testNamedType `json:"friends"`
}

var namedType = types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
	Name: "Named",
	Fields: types.GraphQLFieldConfigMap{
		"name": &types.GraphQLFieldConfig{
			Type: types.GraphQLString,
		},
	},
})
var dogType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
	Name: "Dog",
	Interfaces: []*types.GraphQLInterfaceType{
		namedType,
	},
	Fields: types.GraphQLFieldConfigMap{
		"name": &types.GraphQLFieldConfig{
			Type: types.GraphQLString,
		},
		"barks": &types.GraphQLFieldConfig{
			Type: types.GraphQLBoolean,
		},

func TestResolveTypeOnInterfaceYieldsUsefulError(t *testing.T) {

	var dogType *types.GraphQLObjectType
	var catType *types.GraphQLObjectType
	var humanType *types.GraphQLObjectType
	petType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "Pet",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
		ResolveType: func(value interface{}, info types.GraphQLResolveInfo) *types.GraphQLObjectType {
			if _, ok := value.(*testCat); ok {
				return catType
			}
			if _, ok := value.(*testDog); ok {
				return dogType
			}
			if _, ok := value.(*testHuman); ok {
				return humanType
			}
			return nil
		},
	})

	humanType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Human",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if human, ok := p.Source.(*testHuman); ok {
						return human.Name
					}
					return nil
				},
			},
		},
	})
	dogType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Dog",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testDog)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Name
					}
					return nil
				},
			},
			"woofs": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Woofs
					}
					return nil
				},
			},
		},
	})
	catType = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Cat",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testCat)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Name
					}
					return nil
				},
			},
			"meows": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Meows
					}
					return nil
				},
			},
		},
	})
//.........这里部分代码省略.........

func TestIsTypeOfUsedToResolveRuntimeTypeForInterface(t *testing.T) {

	petType := types.NewGraphQLInterfaceType(types.GraphQLInterfaceTypeConfig{
		Name: "Pet",
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
			},
		},
	})

	// ie declare that Dog belongs to Pet interface
	_ = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Dog",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testDog)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Name
					}
					return nil
				},
			},
			"woofs": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if dog, ok := p.Source.(*testDog); ok {
						return dog.Woofs
					}
					return nil
				},
			},
		},
	})
	// ie declare that Cat belongs to Pet interface
	_ = types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
		Name: "Cat",
		Interfaces: []*types.GraphQLInterfaceType{
			petType,
		},
		IsTypeOf: func(value interface{}, info types.GraphQLResolveInfo) bool {
			_, ok := value.(*testCat)
			return ok
		},
		Fields: types.GraphQLFieldConfigMap{
			"name": &types.GraphQLFieldConfig{
				Type: types.GraphQLString,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Name
					}
					return nil
				},
			},
			"meows": &types.GraphQLFieldConfig{
				Type: types.GraphQLBoolean,
				Resolve: func(p types.GQLFRParams) interface{} {
					if cat, ok := p.Source.(*testCat); ok {
						return cat.Meows
					}
					return nil
				},
			},
		},
	})
	schema, err := types.NewGraphQLSchema(types.GraphQLSchemaConfig{
		Query: types.NewGraphQLObjectType(types.GraphQLObjectTypeConfig{
			Name: "Query",
			Fields: types.GraphQLFieldConfigMap{
				"pets": &types.GraphQLFieldConfig{
					Type: types.NewGraphQLList(petType),
					Resolve: func(p types.GQLFRParams) interface{} {
						return []interface{}{
							&testDog{"Odie", true},
							&testCat{"Garfield", false},
						}
					},
				},
			},
		}),
	})
	if err != nil {
		t.Fatalf("Error in schema %v", err.Error())
	}

	query := `{
      pets {
        name
        ... on Dog {
          woofs
        }
        ... on Cat {
//.........这里部分代码省略.........