func PluralIdentifyingRootField(config PluralIdentifyingRootFieldConfig) *graphql.FieldConfig {
inputArgs := graphql.FieldConfigArgument{}
if config.ArgName != "" {
inputArgs[config.ArgName] = &graphql.ArgumentConfig{
Type: graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(config.InputType))),
}
}
return &graphql.FieldConfig{
Description: config.Description,
Type: graphql.NewList(config.OutputType),
Args: inputArgs,
Resolve: func(p graphql.GQLFRParams) interface{} {
inputs, ok := p.Args[config.ArgName]
if !ok {
return nil
}
if config.ResolveSingleInput == nil {
return nil
}
switch inputs := inputs.(type) {
case []interface{}:
res := []interface{}{}
for _, input := range inputs {
r := config.ResolveSingleInput(input)
res = append(res, r)
}
return res
}
return nil
},
}
}
func TestTypeSystem_DefinitionExample_StringifiesSimpleTypes(t *testing.T) {
type Test struct {
ttype graphql.Type
expected string
}
tests := []Test{
{graphql.Int, "Int"},
{blogArticle, "Article"},
{interfaceType, "Interface"},
{unionType, "Union"},
{enumType, "Enum"},
{inputObjectType, "InputObject"},
{graphql.NewNonNull(graphql.Int), "Int!"},
{graphql.NewList(graphql.Int), "[Int]"},
{graphql.NewNonNull(graphql.NewList(graphql.Int)), "[Int]!"},
{graphql.NewList(graphql.NewNonNull(graphql.Int)), "[Int!]"},
{graphql.NewList(graphql.NewList(graphql.Int)), "[[Int]]"},
}
for _, test := range tests {
ttypeStr := fmt.Sprintf("%v", test.ttype)
if ttypeStr != test.expected {
t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
}
}
}
func init() {
nodeTestUserType = graphql.NewObject(graphql.ObjectConfig{
Name: "User",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.ID),
},
"name": &graphql.FieldConfig{
Type: graphql.String,
},
},
Interfaces: []*graphql.Interface{nodeTestDef.NodeInterface},
})
nodeTestPhotoType = graphql.NewObject(graphql.ObjectConfig{
Name: "Photo",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.ID),
},
"width": &graphql.FieldConfig{
Type: graphql.Int,
},
},
Interfaces: []*graphql.Interface{nodeTestDef.NodeInterface},
})
nodeTestSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: nodeTestQueryType,
})
}
func TestTypeSystem_DefinitionExample_ProhibitsNestingNonNullInsideNonNull(t *testing.T) {
ttype := graphql.NewNonNull(graphql.NewNonNull(graphql.Int))
expected := `Can only create NonNull of a Nullable Type but got: Int!.`
if ttype.Error().Error() != expected {
t.Fatalf(`expected %v , got: %v`, expected, ttype.Error())
}
}
func PluralIdentifyingRootField(config PluralIdentifyingRootFieldConfig) *graphql.Field {
inputArgs := graphql.FieldConfigArgument{}
if config.ArgName != "" {
inputArgs[config.ArgName] = &graphql.ArgumentConfig{
Type: graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(config.InputType))),
}
}
return &graphql.Field{
Description: config.Description,
Type: graphql.NewList(config.OutputType),
Args: inputArgs,
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
inputs, ok := p.Args[config.ArgName]
if !ok {
return nil, fmt.Errorf("Missing arg %q", config.ArgName)
}
if config.ResolveSingleInput == nil {
return nil, nil
}
switch inputs := inputs.(type) {
case []interface{}:
res := []interface{}{}
for _, input := range inputs {
r := config.ResolveSingleInput(input)
res = append(res, r)
}
return res, nil
}
return nil, fmt.Errorf("Can't handle %T", inputs)
},
}
}
func TestLists_NonNullListOfNonNullFunc_ReturnsNull(t *testing.T) {
ttype := graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(graphql.Int)))
// `data` is a function that return values
// Note that its uses the expected signature `func() interface{} {...}`
data := func() interface{} {
return nil
}
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": nil,
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormattedError{
Message: "Cannot return null for non-nullable field DataType.test.",
Locations: []location.SourceLocation{
location.SourceLocation{
Line: 1,
Column: 10,
},
},
},
},
}
checkList(t, ttype, data, expected)
}
func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_AcceptsAnObjectWithAnEquivalentlyModifiedInterfaceField(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
return nil
},
Fields: graphql.FieldConfigMap{
"field": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.NewList(graphql.String)),
},
},
})
anotherObject := graphql.NewObject(graphql.ObjectConfig{
Name: "AnotherObject",
Interfaces: []*graphql.Interface{anotherInterface},
Fields: graphql.FieldConfigMap{
"field": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.NewList(graphql.String)),
},
},
})
_, err := schemaWithObjectFieldOfType(anotherObject)
if err != nil {
t.Fatalf(`unexpected error: %v for type "%v"`, err, anotherObject)
}
}
func TestLists_NonNullListOfNonNullArrayOfFunc_ContainsNulls(t *testing.T) {
ttype := graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(graphql.Int)))
// `data` is a slice of functions that return values
// Note that its uses the expected signature `func() interface{} {...}`
data := []interface{}{
func() interface{} {
return 1
},
func() interface{} {
return nil
},
func() interface{} {
return 2
},
}
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": map[string]interface{}{
"test": []interface{}{
1, nil, 2,
},
},
},
}
checkList(t, ttype, data, expected)
}
func MutationWithClientMutationID(config MutationConfig) *graphql.Field {
augmentedInputFields := config.InputFields
if augmentedInputFields == nil {
augmentedInputFields = graphql.InputObjectConfigFieldMap{}
}
augmentedInputFields["clientMutationId"] = &graphql.InputObjectFieldConfig{
Type: graphql.NewNonNull(graphql.String),
}
augmentedOutputFields := config.OutputFields
if augmentedOutputFields == nil {
augmentedOutputFields = graphql.Fields{}
}
augmentedOutputFields["clientMutationId"] = &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
}
inputType := graphql.NewInputObject(graphql.InputObjectConfig{
Name: config.Name + "Input",
Fields: augmentedInputFields,
})
outputType := graphql.NewObject(graphql.ObjectConfig{
Name: config.Name + "Payload",
Fields: augmentedOutputFields,
})
return &graphql.Field{
Name: config.Name,
Type: outputType,
Args: graphql.FieldConfigArgument{
"input": &graphql.ArgumentConfig{
Type: graphql.NewNonNull(inputType),
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if config.MutateAndGetPayload == nil {
return nil, nil
}
input := map[string]interface{}{}
if inputVal, ok := p.Args["input"]; ok {
if inputVal, ok := inputVal.(map[string]interface{}); ok {
input = inputVal
}
}
payload, err := config.MutateAndGetPayload(input, p.Info, p.Context)
if err != nil {
return nil, err
}
if clientMutationID, ok := input["clientMutationId"]; ok {
payload["clientMutationId"] = clientMutationID
}
return payload, nil
},
}
}
func withModifiers(ttypes []graphql.Type) []graphql.Type {
res := ttypes
for _, ttype := range ttypes {
res = append(res, graphql.NewList(ttype))
}
for _, ttype := range ttypes {
res = append(res, graphql.NewNonNull(ttype))
}
for _, ttype := range ttypes {
res = append(res, graphql.NewNonNull(graphql.NewList(ttype)))
}
return res
}
func TestTypeSystem_DefinitionExample_IdentifiesOutputTypes(t *testing.T) {
type Test struct {
ttype graphql.Type
expected bool
}
tests := []Test{
{graphql.Int, true},
{objectType, true},
{interfaceType, true},
{unionType, true},
{enumType, true},
{inputObjectType, false},
}
for _, test := range tests {
ttypeStr := fmt.Sprintf("%v", test.ttype)
if graphql.IsOutputType(test.ttype) != test.expected {
t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
}
if graphql.IsOutputType(graphql.NewList(test.ttype)) != test.expected {
t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
}
if graphql.IsOutputType(graphql.NewNonNull(test.ttype)) != test.expected {
t.Fatalf(`expected %v , got: %v`, test.expected, ttypeStr)
}
}
}
func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_AcceptsAnObjectWithSubsetNonNullInterfaceFieldType(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
return nil
},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.String,
},
},
})
anotherObject := graphql.NewObject(graphql.ObjectConfig{
Name: "AnotherObject",
Interfaces: []*graphql.Interface{anotherInterface},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
},
},
})
_, err := schemaWithFieldType(anotherObject)
if err != nil {
t.Fatalf(`unexpected error: %v for type "%v"`, err, anotherObject)
}
}
func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_RejectsAnObjectWithADifferentlyModifiedInterfaceFieldType(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
return nil
},
Fields: graphql.FieldConfigMap{
"field": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
anotherObject := graphql.NewObject(graphql.ObjectConfig{
Name: "AnotherObject",
Interfaces: []*graphql.Interface{anotherInterface},
Fields: graphql.FieldConfigMap{
"field": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
},
})
_, err := schemaWithObjectFieldOfType(anotherObject)
expectedError := `AnotherInterface.field expects type "String" but AnotherObject.field provides type "String!".`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
// Describe [T!]! Array<T>
func TestLists_NonNullListOfNonNullObjects_ContainsValues(t *testing.T) {
ttype := graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(graphql.Int)))
data := []interface{}{
1, 2,
}
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": map[string]interface{}{
"test": []interface{}{
1, 2,
},
},
},
}
checkList(t, ttype, data, expected)
}
func TestLists_NullableListOfNonNullObjects_ContainsNull(t *testing.T) {
ttype := graphql.NewList(graphql.NewNonNull(graphql.Int))
data := []interface{}{
1, nil, 2,
}
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": map[string]interface{}{
"test": nil,
},
},
Errors: []gqlerrors.FormattedError{
gqlerrors.FormattedError{
Message: "Cannot return null for non-nullable field DataType.test.",
Locations: []location.SourceLocation{
location.SourceLocation{
Line: 1,
Column: 10,
},
},
},
},
}
checkList(t, ttype, data, expected)
}
func TestTypeSystem_NonNullMustAcceptGraphQLTypes_RejectsNilAsNonNullableType(t *testing.T) {
result := graphql.NewNonNull(nil)
expectedError := `Can only create NonNull of a Nullable Type but got: <nil>.`
if result.GetError() == nil || result.GetError().Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, result.GetError())
}
}
func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_RejectsAnObjectWithASupersetNullableInterfaceFieldType(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
return nil
},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
},
},
})
anotherObject := graphql.NewObject(graphql.ObjectConfig{
Name: "AnotherObject",
Interfaces: []*graphql.Interface{anotherInterface},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.String,
},
},
})
_, err := schemaWithFieldType(anotherObject)
expectedError := `AnotherInterface.field expects type "String!" but AnotherObject.field provides type "String".`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
/*
Creates the configuration for an id field on a node, using `toGlobalId` to
construct the ID from the provided typename. The type-specific ID is fetcher
by calling idFetcher on the object, or if not provided, by accessing the `id`
property on the object.
*/
func GlobalIDField(typeName string, idFetcher GlobalIDFetcherFn) *graphql.Field {
return &graphql.Field{
Name: "id",
Description: "The ID of an object",
Type: graphql.NewNonNull(graphql.ID),
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
id := ""
if idFetcher != nil {
fetched, err := idFetcher(p.Source, p.Info, p.Context)
id = fmt.Sprintf("%v", fetched)
if err != nil {
return id, err
}
} else {
// try to get from p.Source (data)
var objMap interface{}
b, _ := json.Marshal(p.Source)
_ = json.Unmarshal(b, &objMap)
switch obj := objMap.(type) {
case map[string]interface{}:
if iid, ok := obj["id"]; ok {
id = fmt.Sprintf("%v", iid)
}
}
}
globalID := ToGlobalID(typeName, id)
return globalID, nil
},
}
}
func TestTypeSystem_DefinitionExample_ProhibitsNilInNonNull(t *testing.T) {
ttype := graphql.NewNonNull(nil)
expected := `Can only create NonNull of a Nullable Type but got: <nil>.`
if ttype.GetError().Error() != expected {
t.Fatalf(`expected %v , got: %v`, expected, ttype.GetError())
}
}
func ConnectionDefinitions(config ConnectionConfig) *GraphQLConnectionDefinitions {
edgeType := graphql.NewObject(graphql.ObjectConfig{
Name: config.Name + "Edge",
Description: "An edge in a connection",
Fields: graphql.Fields{
"node": &graphql.Field{
Type: config.NodeType,
Description: "The item at the end of the edge",
},
"cursor": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
Description: " cursor for use in pagination",
},
},
})
for fieldName, fieldConfig := range config.EdgeFields {
edgeType.AddFieldConfig(fieldName, fieldConfig)
}
connectionType := graphql.NewObject(graphql.ObjectConfig{
Name: config.Name + "Connection",
Description: "A connection to a list of items.",
Fields: graphql.Fields{
"pageInfo": &graphql.Field{
Type: graphql.NewNonNull(pageInfoType),
Description: "Information to aid in pagination.",
},
"edges": &graphql.Field{
Type: graphql.NewList(edgeType),
Description: "Information to aid in pagination.",
},
},
})
for fieldName, fieldConfig := range config.ConnectionFields {
connectionType.AddFieldConfig(fieldName, fieldConfig)
}
return &GraphQLConnectionDefinitions{
EdgeType: edgeType,
ConnectionType: connectionType,
}
}
func TestTypeSystem_NonNullMustAcceptGraphQLTypes_AcceptsAnTypeAsNullableTypeOfNonNull(t *testing.T) {
nullableTypes := []graphql.Type{
graphql.String,
someScalarType,
someObjectType,
someUnionType,
someInterfaceType,
someEnumType,
someInputObject,
graphql.NewList(graphql.String),
graphql.NewList(graphql.NewNonNull(graphql.String)),
}
for _, ttype := range nullableTypes {
result := graphql.NewNonNull(ttype)
if result.GetError() != nil {
t.Fatalf(`unexpected error: %v for type "%v"`, result.GetError(), ttype)
}
}
}
// Describe [T!]! Func()Array<T> // equivalent to Promise<Array<T>>
func TestLists_NonNullListOfNonNullFunc_ContainsValues(t *testing.T) {
ttype := graphql.NewNonNull(graphql.NewList(graphql.NewNonNull(graphql.Int)))
// `data` is a function that return values
// Note that its uses the expected signature `func() interface{} {...}`
data := func() interface{} {
return []interface{}{
1, 2,
}
}
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": map[string]interface{}{
"test": []interface{}{
1, 2,
},
},
},
}
checkList(t, ttype, data, expected)
}
func TestLists_NullableListOfNonNullObjects_ReturnsNull(t *testing.T) {
ttype := graphql.NewList(graphql.NewNonNull(graphql.Int))
expected := &graphql.Result{
Data: map[string]interface{}{
"nest": map[string]interface{}{
"test": nil,
},
},
}
checkList(t, ttype, nil, expected)
}
/*
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 := graphql.NewInterface(graphql.InterfaceConfig{
Name: "Node",
Description: "An object with an ID",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.ID),
Description: "The id of the object",
},
},
ResolveType: config.TypeResolve,
})
nodeField := &graphql.FieldConfig{
Name: "Node",
Description: "Fetches an object given its ID",
Type: nodeInterface,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Type: graphql.NewNonNull(graphql.ID),
Description: "The ID of an object",
},
},
Resolve: func(p graphql.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,
}
}
func init() {
throwingData["nest"] = func() interface{} {
return throwingData
}
throwingData["nonNullNest"] = func() interface{} {
return throwingData
}
throwingData["promiseNest"] = func() interface{} {
return throwingData
}
throwingData["nonNullPromiseNest"] = func() interface{} {
return throwingData
}
nullingData["nest"] = func() interface{} {
return nullingData
}
nullingData["nonNullNest"] = func() interface{} {
return nullingData
}
nullingData["promiseNest"] = func() interface{} {
return nullingData
}
nullingData["nonNullPromiseNest"] = func() interface{} {
return nullingData
}
dataType.AddFieldConfig("nest", &graphql.FieldConfig{
Type: dataType,
})
dataType.AddFieldConfig("nonNullNest", &graphql.FieldConfig{
Type: graphql.NewNonNull(dataType),
})
dataType.AddFieldConfig("promiseNest", &graphql.FieldConfig{
Type: dataType,
})
dataType.AddFieldConfig("nonNullPromiseNest", &graphql.FieldConfig{
Type: graphql.NewNonNull(dataType),
})
}
func TestTypeSystem_ObjectsMustAdhereToInterfaceTheyImplement_RejectsAnObjectWhichImplementsAnInterfaceFieldAlongWithAdditionalRequiredArguments(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
return nil
},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.String,
Args: graphql.FieldConfigArgument{
"input": &graphql.ArgumentConfig{
Type: graphql.String,
},
},
},
},
})
anotherObject := graphql.NewObject(graphql.ObjectConfig{
Name: "AnotherObject",
Interfaces: []*graphql.Interface{anotherInterface},
Fields: graphql.Fields{
"field": &graphql.Field{
Type: graphql.String,
Args: graphql.FieldConfigArgument{
"input": &graphql.ArgumentConfig{
Type: graphql.String,
},
"anotherInput": &graphql.ArgumentConfig{
Type: graphql.NewNonNull(graphql.String),
},
},
},
},
})
_, err := schemaWithObjectFieldOfType(anotherObject)
expectedError := `AnotherObject.field(anotherInput:) is of required type "String!" but is not also provided by the interface AnotherInterface.field.`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
func TestDirectives_DirectiveArgNamesMustBeValid(t *testing.T) {
invalidDirective := graphql.NewDirective(graphql.DirectiveConfig{
Name: "skip",
Description: "Directs the executor to skip this field or fragment when the `if` " +
"argument is true.",
Args: graphql.FieldConfigArgument{
"123if": &graphql.ArgumentConfig{
Type: graphql.NewNonNull(graphql.Boolean),
Description: "Skipped when true.",
},
},
Locations: []string{
graphql.DirectiveLocationField,
graphql.DirectiveLocationFragmentSpread,
graphql.DirectiveLocationInlineFragment,
},
})
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "TestType",
Fields: graphql.Fields{
"a": &graphql.Field{
Type: graphql.String,
},
},
}),
Directives: []*graphql.Directive{invalidDirective},
})
expectedErr := gqlerrors.FormattedError{
Message: `Names must match /^[_a-zA-Z][_a-zA-Z0-9]*$/ but "123if" does not.`,
Locations: []location.SourceLocation{},
}
if !reflect.DeepEqual(expectedErr, err) {
t.Fatalf("Expected error to be equal, got: %v", testutil.Diff(expectedErr, err))
}
}
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 := graphql.NewEnum(graphql.EnumConfig{
Name: "Episode",
Description: "One of the films in the Star Wars Trilogy",
Values: graphql.EnumValueConfigMap{
"NEWHOPE": &graphql.EnumValueConfig{
Value: 4,
Description: "Released in 1977.",
},
"EMPIRE": &graphql.EnumValueConfig{
Value: 5,
Description: "Released in 1980.",
},
"JEDI": &graphql.EnumValueConfig{
Value: 6,
Description: "Released in 1983.",
},
},
})
characterInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "Character",
Description: "A character in the Star Wars Trilogy",
Fields: graphql.Fields{
"id": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the character.",
},
"name": &graphql.Field{
Type: graphql.String,
Description: "The name of the character.",
},
"appearsIn": &graphql.Field{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
},
},
ResolveType: func(p graphql.ResolveTypeParams) *graphql.Object {
if character, ok := p.Value.(StarWarsChar); ok {
id, _ := strconv.Atoi(character.ID)
human := GetHuman(id)
if human.ID != "" {
return humanType
}
}
return droidType
},
})
characterInterface.AddFieldConfig("friends", &graphql.Field{
Type: graphql.NewList(characterInterface),
Description: "The friends of the character, or an empty list if they have none.",
})
humanType = graphql.NewObject(graphql.ObjectConfig{
Name: "Human",
Description: "A humanoid creature in the Star Wars universe.",
Fields: graphql.Fields{
"id": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the human.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if human, ok := p.Source.(StarWarsChar); ok {
return human.ID, nil
}
return nil, nil
},
},
"name": &graphql.Field{
Type: graphql.String,
Description: "The name of the human.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if human, ok := p.Source.(StarWarsChar); ok {
return human.Name, nil
}
return nil, nil
},
},
"friends": &graphql.Field{
Type: graphql.NewList(characterInterface),
Description: "The friends of the human, or an empty list if they have none.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if human, ok := p.Source.(StarWarsChar); ok {
return human.Friends, nil
}
return []interface{}{}, nil
},
},
"appearsIn": &graphql.Field{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if human, ok := p.Source.(StarWarsChar); ok {
return human.AppearsIn, nil
}
return nil, nil
},
},
"homePlanet": &graphql.Field{
Type: graphql.String,
Description: "The home planet of the human, or null if unknown.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if human, ok := p.Source.(StarWarsChar); ok {
return human.HomePlanet, nil
}
return nil, nil
},
},
},
Interfaces: []*graphql.Interface{
characterInterface,
},
})
droidType = graphql.NewObject(graphql.ObjectConfig{
Name: "Droid",
Description: "A mechanical creature in the Star Wars universe.",
Fields: graphql.Fields{
"id": &graphql.Field{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the droid.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.ID, nil
}
return nil, nil
},
},
"name": &graphql.Field{
Type: graphql.String,
Description: "The name of the droid.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.Name, nil
}
return nil, nil
},
},
"friends": &graphql.Field{
Type: graphql.NewList(characterInterface),
Description: "The friends of the droid, or an empty list if they have none.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if droid, ok := p.Source.(StarWarsChar); ok {
friends := []map[string]interface{}{}
for _, friend := range droid.Friends {
friends = append(friends, map[string]interface{}{
"name": friend.Name,
"id": friend.ID,
})
}
return droid.Friends, nil
}
return []interface{}{}, nil
},
},
"appearsIn": &graphql.Field{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.AppearsIn, nil
}
return nil, nil
},
},
"primaryFunction": &graphql.Field{
Type: graphql.String,
Description: "The primary function of the droid.",
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.PrimaryFunction, nil
}
return nil, nil
},
},
},
Interfaces: []*graphql.Interface{
characterInterface,
},
})
queryType := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.Fields{
"hero": &graphql.Field{
Type: characterInterface,
Args: graphql.FieldConfigArgument{
"episode": &graphql.ArgumentConfig{
Description: "If omitted, returns the hero of the whole saga. If " +
"provided, returns the hero of that particular episode.",
Type: episodeEnum,
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return GetHero(p.Args["episode"]), nil
},
},
"human": &graphql.Field{
Type: humanType,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Description: "id of the human",
Type: graphql.NewNonNull(graphql.String),
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return GetHuman(p.Args["id"].(int)), nil
},
},
"droid": &graphql.Field{
Type: droidType,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Description: "id of the droid",
Type: graphql.NewNonNull(graphql.String),
},
},
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
return GetDroid(p.Args["id"].(int)), nil
},
},
},
})
StarWarsSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: queryType,
})
}
}
return nil
},
})
var testInputObject *graphql.InputObject = graphql.NewInputObject(graphql.InputObjectConfig{
Name: "TestInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"a": &graphql.InputObjectFieldConfig{
Type: graphql.String,
},
"b": &graphql.InputObjectFieldConfig{
Type: graphql.NewList(graphql.String),
},
"c": &graphql.InputObjectFieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
"d": &graphql.InputObjectFieldConfig{
Type: testComplexScalar,
},
},
})
var testNestedInputObject *graphql.InputObject = graphql.NewInputObject(graphql.InputObjectConfig{
Name: "TestNestedInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"na": &graphql.InputObjectFieldConfig{
Type: graphql.NewNonNull(testInputObject),
},
"nb": &graphql.InputObjectFieldConfig{
Type: graphql.NewNonNull(graphql.String),
}
return nil
},
})
var testInputObject *graphql.InputObject = graphql.NewInputObject(graphql.InputObjectConfig{
Name: "TestInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"a": &graphql.InputObjectFieldConfig{
Type: graphql.String,
},
"b": &graphql.InputObjectFieldConfig{
Type: graphql.NewList(graphql.String),
},
"c": &graphql.InputObjectFieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
"d": &graphql.InputObjectFieldConfig{
Type: testComplexScalar,
},
},
})
func inputResolved(p graphql.ResolveParams) interface{} {
input, ok := p.Args["input"]
if !ok {
return nil
}
b, err := json.Marshal(input)
if err != nil {
return nil
