func TestTypeSystem_DefinitionExample_DefinesAMutationScheme(t *testing.T) {
blogSchema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: blogQuery,
Mutation: blogMutation,
})
if err != nil {
t.Fatalf("unexpected error, got: %v", err)
}
if blogSchema.GetMutationType() != blogMutation {
t.Fatalf("expected blogSchema.GetMutationType() == blogMutation")
}
writeMutation, _ := blogMutation.GetFields()["writeArticle"]
if writeMutation == nil {
t.Fatalf("writeMutation is nil")
}
writeMutationType := writeMutation.Type
if writeMutationType != blogArticle {
t.Fatalf("writeMutationType expected to equal blogArticle, got: %v", writeMutationType)
}
if writeMutationType.GetName() != "Article" {
t.Fatalf("writeMutationType.Name expected to equal `Article`, got: %v", writeMutationType.GetName())
}
if writeMutation.Name != "writeArticle" {
t.Fatalf("writeMutation.Name expected to equal `writeArticle`, got: %v", writeMutation.Name)
}
}
func TestTypeSystem_SchemaMustContainUniquelyNamedTypes_RejectsASchemaWhichRedefinesABuiltInType(t *testing.T) {
fakeString := graphql.NewScalar(graphql.ScalarConfig{
Name: "String",
Serialize: func(value interface{}) interface{} {
return nil
},
})
queryType := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"normal": &graphql.FieldConfig{
Type: graphql.String,
},
"fake": &graphql.FieldConfig{
Type: fakeString,
},
},
})
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: queryType,
})
expectedError := `Schema must contain unique named types but contains multiple types named "String".`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
func TestTypeSystem_SchemaMustHaveObjectRootTypes_RejectsASchemaWithoutAQueryType(t *testing.T) {
_, err := graphql.NewSchema(graphql.SchemaConfig{})
expectedError := "Schema query must be Object Type but got: nil."
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
func schemaWithInputFieldOfType(ttype graphql.Type) (graphql.Schema, error) {
badInputObject := graphql.NewInputObject(graphql.InputObjectConfig{
Name: "BadInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"badField": &graphql.InputObjectFieldConfig{
Type: ttype,
},
},
})
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
Args: graphql.FieldConfigArgument{
"badArg": &graphql.ArgumentConfig{
Type: badInputObject,
},
},
},
},
}),
})
}
func TestIntrospection_IdentifiesDeprecatedFields(t *testing.T) {
testType := graphql.NewObject(graphql.ObjectConfig{
Name: "TestType",
Fields: graphql.FieldConfigMap{
"nonDeprecated": &graphql.FieldConfig{
Type: graphql.String,
},
"deprecated": &graphql.FieldConfig{
Type: graphql.String,
DeprecationReason: "Removed in 1.0",
},
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: testType,
})
if err != nil {
t.Fatalf("Error creating Schema: %v", err.Error())
}
query := `
{
__type(name: "TestType") {
name
fields(includeDeprecated: true) {
name
isDeprecated,
deprecationReason
}
}
}
`
expected := &graphql.Result{
Data: map[string]interface{}{
"__type": map[string]interface{}{
"name": "TestType",
"fields": []interface{}{
map[string]interface{}{
"name": "nonDeprecated",
"isDeprecated": false,
"deprecationReason": nil,
},
map[string]interface{}{
"name": "deprecated",
"isDeprecated": true,
"deprecationReason": "Removed in 1.0",
},
},
},
},
}
result := g(t, graphql.Params{
Schema: schema,
RequestString: query,
})
if !testutil.ContainSubset(result.Data.(map[string]interface{}), expected.Data.(map[string]interface{})) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestTypeSystem_SchemaMustHaveObjectRootTypes_AcceptsASchemaWhoseQueryTypeIsAnObjectType(t *testing.T) {
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: someObjectType,
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
}
func TestCorrectlyThreadsArguments(t *testing.T) {
query := `
query Example {
b(numArg: 123, stringArg: "foo")
}
`
var resolvedArgs map[string]interface{}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Type",
Fields: graphql.FieldConfigMap{
"b": &graphql.FieldConfig{
Args: graphql.FieldConfigArgument{
"numArg": &graphql.ArgumentConfig{
Type: graphql.Int,
},
"stringArg": &graphql.ArgumentConfig{
Type: graphql.String,
},
},
Type: graphql.String,
Resolve: func(p graphql.GQLFRParams) interface{} {
resolvedArgs = p.Args
return resolvedArgs
},
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, query)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
expectedNum := 123
expectedString := "foo"
if resolvedArgs["numArg"] != expectedNum {
t.Fatalf("Expected args.numArg to equal `%v`, got `%v`", expectedNum, resolvedArgs["numArg"])
}
if resolvedArgs["stringArg"] != expectedString {
t.Fatalf("Expected args.stringArg to equal `%v`, got `%v`", expectedNum, resolvedArgs["stringArg"])
}
}
func TestAvoidsRecursion(t *testing.T) {
doc := `
query Q {
a
...Frag
...Frag
}
fragment Frag on Type {
a,
...Frag
}
`
data := map[string]interface{}{
"a": "b",
}
expected := &graphql.Result{
Data: map[string]interface{}{
"a": "b",
},
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Type",
Fields: graphql.FieldConfigMap{
"a": &graphql.FieldConfig{
Type: graphql.String,
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, doc)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
Root: data,
OperationName: "Q",
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func schemaWithFieldType(ttype graphql.Output) (graphql.Schema, error) {
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: ttype,
},
},
}),
})
}
func TestTypeSystem_SchemaMustContainUniquelyNamedTypes_RejectsASchemaWhichHaveSameNamedObjectsImplementingAnInterface(t *testing.T) {
anotherInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "AnotherInterface",
ResolveType: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
return nil
},
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
_ = graphql.NewObject(graphql.ObjectConfig{
Name: "BadObject",
Interfaces: []*graphql.Interface{
anotherInterface,
},
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
_ = graphql.NewObject(graphql.ObjectConfig{
Name: "BadObject",
Interfaces: []*graphql.Interface{
anotherInterface,
},
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
queryType := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"iface": &graphql.FieldConfig{
Type: anotherInterface,
},
},
})
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: queryType,
})
expectedError := `Schema must contain unique named types but contains multiple types named "BadObject".`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
func TestThreadsContextCorrectly(t *testing.T) {
query := `
query Example { a }
`
data := map[string]interface{}{
"contextThing": "thing",
}
var resolvedContext map[string]interface{}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Type",
Fields: graphql.FieldConfigMap{
"a": &graphql.FieldConfig{
Type: graphql.String,
Resolve: func(p graphql.GQLFRParams) interface{} {
resolvedContext = p.Source.(map[string]interface{})
return resolvedContext
},
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, query)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
Root: data,
AST: ast,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
expected := "thing"
if resolvedContext["contextThing"] != expected {
t.Fatalf("Expected context.contextThing to equal %v, got %v", expected, resolvedContext["contextThing"])
}
}
func TestDoesNotIncludeIllegalFieldsInOutput(t *testing.T) {
doc := `mutation M {
thisIsIllegalDontIncludeMe
}`
expected := &graphql.Result{
Data: map[string]interface{}{},
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Q",
Fields: graphql.FieldConfigMap{
"a": &graphql.FieldConfig{
Type: graphql.String,
},
},
}),
Mutation: graphql.NewObject(graphql.ObjectConfig{
Name: "M",
Fields: graphql.FieldConfigMap{
"c": &graphql.FieldConfig{
Type: graphql.String,
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, doc)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) != 0 {
t.Fatalf("wrong result, expected len(%v) errors, got len(%v)", len(expected.Errors), len(result.Errors))
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestThrowsIfNoOperationIsProvidedWithMultipleOperations(t *testing.T) {
doc := `query Example { a } query OtherExample { a }`
data := map[string]interface{}{
"a": "b",
}
expectedErrors := []gqlerrors.FormattedError{
gqlerrors.FormattedError{
Message: "Must provide operation name if query contains multiple operations.",
Locations: []location.SourceLocation{},
},
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Type",
Fields: graphql.FieldConfigMap{
"a": &graphql.FieldConfig{
Type: graphql.String,
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, doc)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
Root: data,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) != 1 {
t.Fatalf("wrong result, expected len(1) unexpected len: %v", len(result.Errors))
}
if result.Data != nil {
t.Fatalf("wrong result, expected nil result.Data, got %v", result.Data)
}
if !reflect.DeepEqual(expectedErrors, result.Errors) {
t.Fatalf("unexpected result, Diff: %v", testutil.Diff(expectedErrors, result.Errors))
}
}
func TestFailsToExecuteQueryContainingATypeDefinition(t *testing.T) {
query := `
{ foo }
type Query { foo: String }
`
expected := &graphql.Result{
Data: nil,
Errors: []gqlerrors.FormattedError{
gqlerrors.FormattedError{
Message: "GraphQL cannot execute a request containing a ObjectDefinition",
Locations: []location.SourceLocation{},
},
},
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"foo": &graphql.FieldConfig{
Type: graphql.String,
},
},
}),
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, query)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) != 1 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func schemaWithInputObject(ttype graphql.Input) (graphql.Schema, error) {
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
Args: graphql.FieldConfigArgument{
"args": &graphql.ArgumentConfig{
Type: ttype,
},
},
},
},
}),
})
}
func TestTypeSystem_SchemaMustHaveObjectRootTypes_AcceptsASchemaWhoseQueryAndMutationTypesAreObjectType(t *testing.T) {
mutationObject := graphql.NewObject(graphql.ObjectConfig{
Name: "Mutation",
Fields: graphql.FieldConfigMap{
"edit": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: someObjectType,
Mutation: mutationObject,
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
}
func checkList(t *testing.T, testType graphql.Type, testData interface{}, expected *graphql.Result) {
data := map[string]interface{}{
"test": testData,
}
dataType := graphql.NewObject(graphql.ObjectConfig{
Name: "DataType",
Fields: graphql.FieldConfigMap{
"test": &graphql.FieldConfig{
Type: testType,
},
},
})
dataType.AddFieldConfig("nest", &graphql.FieldConfig{
Type: dataType,
Resolve: func(p graphql.GQLFRParams) interface{} {
return data
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: dataType,
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
// parse query
ast := testutil.TestParse(t, `{ nest { test } }`)
// execute
ep := graphql.ExecuteParams{
Schema: schema,
AST: ast,
Root: data,
}
result := testutil.TestExecute(t, ep)
if len(expected.Errors) != len(result.Errors) {
t.Fatalf("wrong result, Diff: %v", testutil.Diff(expected.Errors, result.Errors))
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestIntrospection_FailsAsExpectedOnThe__TypeRootFieldWithoutAnArg(t *testing.T) {
testType := graphql.NewObject(graphql.ObjectConfig{
Name: "TestType",
Fields: graphql.FieldConfigMap{
"testField": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: testType,
})
if err != nil {
t.Fatalf("Error creating Schema: %v", err.Error())
}
query := `
{
__type {
name
}
}
`
expected := &graphql.Result{
Errors: []gqlerrors.FormattedError{
gqlerrors.FormattedError{
Message: `Field "__type" argument "name" of type "String!" ` +
`is required but not provided.`,
Locations: []location.SourceLocation{
location.SourceLocation{Line: 3, Column: 9},
},
},
},
}
result := g(t, graphql.Params{
Schema: schema,
RequestString: query,
})
t.Skipf("Pending `validator` implementation")
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestBasicGraphQLExample(t *testing.T) {
// taken from `graphql-js` README
helloFieldResolved := func(p graphql.GQLFRParams) interface{} {
return "world"
}
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "RootQueryType",
Fields: graphql.FieldConfigMap{
"hello": &graphql.FieldConfig{
Description: "Returns `world`",
Type: graphql.String,
Resolve: helloFieldResolved,
},
},
}),
})
if err != nil {
t.Fatalf("wrong result, unexpected errors: %v", err.Error())
}
query := "{ hello }"
var expected interface{}
expected = map[string]interface{}{
"hello": "world",
}
resultChannel := make(chan *graphql.Result)
go graphql.Graphql(graphql.Params{
Schema: schema,
RequestString: query,
}, resultChannel)
result := <-resultChannel
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
if !reflect.DeepEqual(result.Data, expected) {
t.Fatalf("wrong result, query: %v, graphql result diff: %v", query, testutil.Diff(expected, result))
}
}
func TestTypeSystem_DefinitionExample_IncludesInterfacesThunkSubtypesInTheTypeMap(t *testing.T) {
someInterface := graphql.NewInterface(graphql.InterfaceConfig{
Name: "SomeInterface",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.Int,
},
},
})
someSubType := graphql.NewObject(graphql.ObjectConfig{
Name: "SomeSubtype",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.Int,
},
},
Interfaces: (graphql.InterfacesThunk)(func() []*graphql.Interface {
return []*graphql.Interface{someInterface}
}),
IsTypeOf: func(value interface{}, info graphql.ResolveInfo) bool {
return true
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"iface": &graphql.FieldConfig{
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 schemaWithUnionOfType(ttype *graphql.Object) (graphql.Schema, error) {
badObjectType := graphql.NewUnion(graphql.UnionConfig{
Name: "BadUnion",
ResolveType: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
return nil
},
Types: []*graphql.Object{ttype},
})
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: badObjectType,
},
},
}),
})
}
func TestTypeSystem_DefinitionExample_IncludesNestedInputObjectsInTheMap(t *testing.T) {
nestedInputObject := graphql.NewInputObject(graphql.InputObjectConfig{
Name: "NestedInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"value": &graphql.InputObjectFieldConfig{
Type: graphql.String,
},
},
})
someInputObject := graphql.NewInputObject(graphql.InputObjectConfig{
Name: "SomeInputObject",
Fields: graphql.InputObjectConfigFieldMap{
"nested": &graphql.InputObjectFieldConfig{
Type: nestedInputObject,
},
},
})
someMutation := graphql.NewObject(graphql.ObjectConfig{
Name: "SomeMutation",
Fields: graphql.FieldConfigMap{
"mutateSomething": &graphql.FieldConfig{
Type: blogArticle,
Args: graphql.FieldConfigArgument{
"input": &graphql.ArgumentConfig{
Type: someInputObject,
},
},
},
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: blogQuery,
Mutation: someMutation,
})
if err != nil {
t.Fatalf("unexpected error, got: %v", err)
}
if schema.GetType("NestedInputObject") != nestedInputObject {
t.Fatalf(`schema.GetType("NestedInputObject") expected to equal nestedInputObject, got: %v`, schema.GetType("NestedInputObject"))
}
}
func schemaWithObjectFieldOfType(fieldType graphql.Input) (graphql.Schema, error) {
badObjectType := graphql.NewObject(graphql.ObjectConfig{
Name: "BadObject",
Fields: graphql.FieldConfigMap{
"badField": &graphql.FieldConfig{
Type: fieldType,
},
},
})
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: badObjectType,
},
},
}),
})
}
func schemaWithInterfaceFieldOfType(ttype graphql.Type) (graphql.Schema, error) {
badInterfaceType := graphql.NewInterface(graphql.InterfaceConfig{
Name: "BadInterface",
Fields: graphql.FieldConfigMap{
"badField": &graphql.FieldConfig{
Type: ttype,
},
},
})
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: badInterfaceType,
},
},
}),
})
}
func schemaWithObjectImplementingType(implementedType *graphql.Interface) (graphql.Schema, error) {
badObjectType := graphql.NewObject(graphql.ObjectConfig{
Name: "BadObject",
Interfaces: []*graphql.Interface{implementedType},
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
return graphql.NewSchema(graphql.SchemaConfig{
Query: graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: badObjectType,
},
},
}),
})
}
func TestIntrospection_SupportsThe__TypeRootField(t *testing.T) {
testType := graphql.NewObject(graphql.ObjectConfig{
Name: "TestType",
Fields: graphql.FieldConfigMap{
"testField": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
schema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: testType,
})
if err != nil {
t.Fatalf("Error creating Schema: %v", err.Error())
}
query := `
{
__type(name: "TestType") {
name
}
}
`
expected := &graphql.Result{
Data: map[string]interface{}{
"__type": map[string]interface{}{
"name": "TestType",
},
},
}
result := g(t, graphql.Params{
Schema: schema,
RequestString: query,
})
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}
func TestTypeSystem_SchemaMustContainUniquelyNamedTypes_RejectsASchemaWhichDefinesAnObjectTypeTwice(t *testing.T) {
a := graphql.NewObject(graphql.ObjectConfig{
Name: "SameName",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
b := graphql.NewObject(graphql.ObjectConfig{
Name: "SameName",
Fields: graphql.FieldConfigMap{
"f": &graphql.FieldConfig{
Type: graphql.String,
},
},
})
queryType := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"a": &graphql.FieldConfig{
Type: a,
},
"b": &graphql.FieldConfig{
Type: b,
},
},
})
_, err := graphql.NewSchema(graphql.SchemaConfig{
Query: queryType,
})
expectedError := `Schema must contain unique named types but contains multiple types named "SameName".`
if err == nil || err.Error() != expectedError {
t.Fatalf("Expected error: %v, got %v", expectedError, err)
}
}
Type: graphql.String,
},
"nonNullSync": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
"promise": &graphql.FieldConfig{
Type: graphql.String,
},
"nonNullPromise": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
},
})
var nonNullTestSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: dataType,
})
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
}
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.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the character.",
},
"name": &graphql.FieldConfig{
Type: graphql.String,
Description: "The name of the character.",
},
"appearsIn": &graphql.FieldConfig{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
},
},
ResolveType: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
if character, ok := value.(StarWarsChar); ok {
id, _ := strconv.Atoi(character.Id)
human := GetHuman(id)
if human.Id != "" {
return humanType
}
}
return droidType
},
})
characterInterface.AddFieldConfig("friends", &graphql.FieldConfig{
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.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the human.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if human, ok := p.Source.(StarWarsChar); ok {
return human.Id
}
return nil
},
},
"name": &graphql.FieldConfig{
Type: graphql.String,
Description: "The name of the human.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if human, ok := p.Source.(StarWarsChar); ok {
return human.Name
}
return nil
},
},
"friends": &graphql.FieldConfig{
Type: graphql.NewList(characterInterface),
Description: "The friends of the human, or an empty list if they have none.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if human, ok := p.Source.(StarWarsChar); ok {
return human.Friends
}
return []interface{}{}
},
},
"appearsIn": &graphql.FieldConfig{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if human, ok := p.Source.(StarWarsChar); ok {
return human.AppearsIn
}
return nil
},
},
"homePlanet": &graphql.FieldConfig{
Type: graphql.String,
Description: "The home planet of the human, or null if unknown.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if human, ok := p.Source.(StarWarsChar); ok {
return human.HomePlanet
}
return nil
},
},
},
Interfaces: []*graphql.Interface{
characterInterface,
},
})
droidType = graphql.NewObject(graphql.ObjectConfig{
Name: "Droid",
Description: "A mechanical creature in the Star Wars universe.",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
Description: "The id of the droid.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.Id
}
return nil
},
},
"name": &graphql.FieldConfig{
Type: graphql.String,
Description: "The name of the droid.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.Name
}
return nil
},
},
"friends": &graphql.FieldConfig{
Type: graphql.NewList(characterInterface),
Description: "The friends of the droid, or an empty list if they have none.",
Resolve: func(p graphql.GQLFRParams) interface{} {
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
}
return []interface{}{}
},
},
"appearsIn": &graphql.FieldConfig{
Type: graphql.NewList(episodeEnum),
Description: "Which movies they appear in.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.AppearsIn
}
return nil
},
},
"primaryFunction": &graphql.FieldConfig{
Type: graphql.String,
Description: "The primary function of the droid.",
Resolve: func(p graphql.GQLFRParams) interface{} {
if droid, ok := p.Source.(StarWarsChar); ok {
return droid.PrimaryFunction
}
return nil
},
},
},
Interfaces: []*graphql.Interface{
characterInterface,
},
})
queryType := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"hero": &graphql.FieldConfig{
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.GQLFRParams) (r interface{}) {
return GetHero(p.Args["episode"])
},
},
"human": &graphql.FieldConfig{
Type: humanType,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Description: "id of the human",
Type: graphql.NewNonNull(graphql.String),
},
},
Resolve: func(p graphql.GQLFRParams) (r interface{}) {
return GetHuman(p.Args["id"].(int))
},
},
"droid": &graphql.FieldConfig{
Type: droidType,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Description: "id of the droid",
Type: graphql.NewNonNull(graphql.String),
},
},
Resolve: func(p graphql.GQLFRParams) (r interface{}) {
return GetDroid(p.Args["id"].(int))
},
},
},
})
StarWarsSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: queryType,
})
}
func TestExecutesUsingAComplexSchema(t *testing.T) {
johnSmith = &testAuthor{
Id: 123,
Name: "John Smith",
Pic: func(width string, height string) *testPic {
return getPic(123, width, height)
},
RecentArticle: article("1"),
}
blogImage := graphql.NewObject(graphql.ObjectConfig{
Name: "Image",
Fields: graphql.FieldConfigMap{
"url": &graphql.FieldConfig{
Type: graphql.String,
},
"width": &graphql.FieldConfig{
Type: graphql.Int,
},
"height": &graphql.FieldConfig{
Type: graphql.Int,
},
},
})
blogAuthor := graphql.NewObject(graphql.ObjectConfig{
Name: "Author",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.String,
},
"name": &graphql.FieldConfig{
Type: graphql.String,
},
"pic": &graphql.FieldConfig{
Type: blogImage,
Args: graphql.FieldConfigArgument{
"width": &graphql.ArgumentConfig{
Type: graphql.Int,
},
"height": &graphql.ArgumentConfig{
Type: graphql.Int,
},
},
Resolve: func(p graphql.GQLFRParams) interface{} {
if author, ok := p.Source.(*testAuthor); ok {
width := fmt.Sprintf("%v", p.Args["width"])
height := fmt.Sprintf("%v", p.Args["height"])
return author.Pic(width, height)
}
return nil
},
},
"recentArticle": &graphql.FieldConfig{},
},
})
blogArticle := graphql.NewObject(graphql.ObjectConfig{
Name: "Article",
Fields: graphql.FieldConfigMap{
"id": &graphql.FieldConfig{
Type: graphql.NewNonNull(graphql.String),
},
"isPublished": &graphql.FieldConfig{
Type: graphql.Boolean,
},
"author": &graphql.FieldConfig{
Type: blogAuthor,
},
"title": &graphql.FieldConfig{
Type: graphql.String,
},
"body": &graphql.FieldConfig{
Type: graphql.String,
},
"keywords": &graphql.FieldConfig{
Type: graphql.NewList(graphql.String),
},
},
})
blogAuthor.AddFieldConfig("recentArticle", &graphql.FieldConfig{
Type: blogArticle,
})
blogQuery := graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.FieldConfigMap{
"article": &graphql.FieldConfig{
Type: blogArticle,
Args: graphql.FieldConfigArgument{
"id": &graphql.ArgumentConfig{
Type: graphql.ID,
},
},
Resolve: func(p graphql.GQLFRParams) interface{} {
id := p.Args["id"]
return article(id)
},
},
"feed": &graphql.FieldConfig{
Type: graphql.NewList(blogArticle),
Resolve: func(p graphql.GQLFRParams) interface{} {
return []*testArticle{
article(1),
article(2),
article(3),
article(4),
article(5),
article(6),
article(7),
article(8),
article(9),
article(10),
}
},
},
},
})
blogSchema, err := graphql.NewSchema(graphql.SchemaConfig{
Query: blogQuery,
})
if err != nil {
t.Fatalf("Error in schema %v", err.Error())
}
request := `
{
feed {
id,
title
},
article(id: "1") {
...articleFields,
author {
id,
name,
pic(width: 640, height: 480) {
url,
width,
height
},
recentArticle {
...articleFields,
keywords
}
}
}
}
fragment articleFields on Article {
id,
isPublished,
title,
body,
hidden,
notdefined
}
`
expected := &graphql.Result{
Data: map[string]interface{}{
"article": map[string]interface{}{
"title": "My Article 1",
"body": "This is a post",
"author": map[string]interface{}{
"id": "123",
"name": "John Smith",
"pic": map[string]interface{}{
"url": "cdn://123",
"width": 640,
"height": 480,
},
"recentArticle": map[string]interface{}{
"id": "1",
"isPublished": bool(true),
"title": "My Article 1",
"body": "This is a post",
"keywords": []interface{}{
"foo",
"bar",
"1",
"true",
nil,
},
},
},
"id": "1",
"isPublished": bool(true),
},
"feed": []interface{}{
map[string]interface{}{
"id": "1",
"title": "My Article 1",
},
map[string]interface{}{
"id": "2",
"title": "My Article 2",
},
map[string]interface{}{
"id": "3",
"title": "My Article 3",
},
map[string]interface{}{
"id": "4",
"title": "My Article 4",
},
map[string]interface{}{
"id": "5",
"title": "My Article 5",
},
map[string]interface{}{
"id": "6",
"title": "My Article 6",
},
map[string]interface{}{
"id": "7",
"title": "My Article 7",
},
map[string]interface{}{
"id": "8",
"title": "My Article 8",
},
map[string]interface{}{
"id": "9",
"title": "My Article 9",
},
map[string]interface{}{
"id": "10",
"title": "My Article 10",
},
},
},
}
// parse query
ast := testutil.TestParse(t, request)
// execute
ep := graphql.ExecuteParams{
Schema: blogSchema,
AST: ast,
}
result := testutil.TestExecute(t, ep)
if len(result.Errors) > 0 {
t.Fatalf("wrong result, unexpected errors: %v", result.Errors)
}
if !reflect.DeepEqual(expected, result) {
t.Fatalf("Unexpected result, Diff: %v", testutil.Diff(expected, result))
}
}