forked from graphql-go/relay
/
node_test.go
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/
node_test.go
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package relay_test
import (
"fmt"
"github.com/graphql-go/graphql"
"github.com/graphql-go/graphql/testutil"
"github.com/graphql-go/relay"
"golang.org/x/net/context"
"reflect"
"testing"
)
type user struct {
ID int `json:"id"`
Name string `json:"name"`
}
type photo struct {
ID int `json:"id"`
Width int `json:"width"`
}
var nodeTestUserData = map[string]*user{
"1": &user{1, "John Doe"},
"2": &user{2, "Jane Smith"},
}
var nodeTestPhotoData = map[string]*photo{
"3": &photo{3, 300},
"4": &photo{4, 400},
}
// declare types first, define later in init()
// because they all depend on nodeTestDef
var nodeTestUserType *graphql.Object
var nodeTestPhotoType *graphql.Object
var nodeTestDef = relay.NewNodeDefinitions(relay.NodeDefinitionsConfig{
IDFetcher: func(id string, info graphql.ResolveInfo, ctx context.Context) interface{} {
if user, ok := nodeTestUserData[id]; ok {
return user
}
if photo, ok := nodeTestPhotoData[id]; ok {
return photo
}
return nil
},
TypeResolve: func(value interface{}, info graphql.ResolveInfo) *graphql.Object {
switch value.(type) {
case *user:
return nodeTestUserType
case *photo:
return nodeTestPhotoType
default:
panic(fmt.Sprintf("Unknown object type `%v`", value))
}
},
})
var nodeTestQueryType = graphql.NewObject(graphql.ObjectConfig{
Name: "Query",
Fields: graphql.Fields{
"node": nodeTestDef.NodeField,
},
})
// becareful not to define schema here, since nodeTestUserType and nodeTestPhotoType wouldn't be defined till init()
var nodeTestSchema graphql.Schema
func init() {
nodeTestUserType = graphql.NewObject(graphql.ObjectConfig{
Name: "User",
Fields: graphql.Fields{
"id": &graphql.Field{
Type: graphql.NewNonNull(graphql.ID),
},
"name": &graphql.Field{
Type: graphql.String,
},
},
Interfaces: []*graphql.Interface{nodeTestDef.NodeInterface},
})
nodeTestPhotoType = graphql.NewObject(graphql.ObjectConfig{
Name: "Photo",
Fields: graphql.Fields{
"id": &graphql.Field{
Type: graphql.NewNonNull(graphql.ID),
},
"width": &graphql.Field{
Type: graphql.Int,
},
},
Interfaces: []*graphql.Interface{nodeTestDef.NodeInterface},
})
nodeTestSchema, _ = graphql.NewSchema(graphql.SchemaConfig{
Query: nodeTestQueryType,
})
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectIDForUsers(t *testing.T) {
query := `{
node(id: "1") {
id
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "1",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectIDForPhotos(t *testing.T) {
query := `{
node(id: "4") {
id
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "4",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectNameForUsers(t *testing.T) {
query := `{
node(id: "1") {
id
... on User {
name
}
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "1",
"name": "John Doe",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectWidthForPhotos(t *testing.T) {
query := `{
node(id: "4") {
id
... on Photo {
width
}
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "4",
"width": 400,
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectTypeNameForUsers(t *testing.T) {
query := `{
node(id: "1") {
id
__typename
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "1",
"__typename": "User",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_GetsTheCorrectTypeNameForPhotos(t *testing.T) {
query := `{
node(id: "4") {
id
__typename
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "4",
"__typename": "Photo",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_IgnoresPhotoFragmentsOnUser(t *testing.T) {
query := `{
node(id: "1") {
id
... on Photo {
width
}
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": map[string]interface{}{
"id": "1",
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_AllowsRefetching_ReturnsNullForBadIDs(t *testing.T) {
query := `{
node(id: "5") {
id
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"node": nil,
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_CorrectlyIntrospects_HasCorrectNodeInterface(t *testing.T) {
query := `{
__type(name: "Node") {
name
kind
fields {
name
type {
kind
ofType {
name
kind
}
}
}
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"__type": map[string]interface{}{
"name": "Node",
"kind": "INTERFACE",
"fields": []interface{}{
map[string]interface{}{
"name": "id",
"type": map[string]interface{}{
"kind": "NON_NULL",
"ofType": map[string]interface{}{
"name": "ID",
"kind": "SCALAR",
},
},
},
},
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}
func TestNodeInterfaceAndFields_CorrectlyIntrospects_HasCorrectNodeRootField(t *testing.T) {
query := `{
__schema {
queryType {
fields {
name
type {
name
kind
}
args {
name
type {
kind
ofType {
name
kind
}
}
}
}
}
}
}`
expected := &graphql.Result{
Data: map[string]interface{}{
"__schema": map[string]interface{}{
"queryType": map[string]interface{}{
"fields": []interface{}{
map[string]interface{}{
"name": "node",
"type": map[string]interface{}{
"name": "Node",
"kind": "INTERFACE",
},
"args": []interface{}{
map[string]interface{}{
"name": "id",
"type": map[string]interface{}{
"kind": "NON_NULL",
"ofType": map[string]interface{}{
"name": "ID",
"kind": "SCALAR",
},
},
},
},
},
},
},
},
},
}
result := graphql.Do(graphql.Params{
Schema: nodeTestSchema,
RequestString: query,
})
if !reflect.DeepEqual(result, expected) {
t.Fatalf("wrong result, graphql result diff: %v", testutil.Diff(expected, result))
}
}