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add support for mutations
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@neelance
neelance committed Oct 26, 2016
1 parent 094061d commit de9b7fe
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Showing 5 changed files with 182 additions and 96 deletions.
59 changes: 38 additions & 21 deletions example/starwars/starwars.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,8 +18,8 @@ var Schema = `
# The query type, represents all of the entry points into our object graph
type Query {
hero(episode: Episode): Character
reviews(episode: Episode!): [Review]
search(text: String): [SearchResult]
reviews(episode: Episode!): [Review]!
search(text: String): [SearchResult]!
character(id: ID!): Character
droid(id: ID!): Droid
human(id: ID!): Human
Expand Down Expand Up @@ -275,20 +275,31 @@ func init() {
}
}

type review struct {
stars int32
commentary *string
}

var reviews = make(map[string][]*review)

type Resolver struct{}

func (r *Resolver) Hero(args struct{ Episode string }) characterResolver {
func (r *Resolver) Hero(args *struct{ Episode string }) characterResolver {
if args.Episode == "EMPIRE" {
return &humanResolver{h: humanData["1000"]}
}
return &droidResolver{d: droidData["2001"]}
}

func (r *Resolver) Reviews(args struct{ Episode string }) *[]*reviewResolver {
panic("TODO")
func (r *Resolver) Reviews(args *struct{ Episode string }) []*reviewResolver {
var l []*reviewResolver
for _, review := range reviews[args.Episode] {
l = append(l, &reviewResolver{review})
}
return l
}

func (r *Resolver) Search(args struct{ Text string }) *[]searchResultResolver {
func (r *Resolver) Search(args *struct{ Text string }) []searchResultResolver {
var l []searchResultResolver
for _, h := range humans {
if strings.Contains(h.Name, args.Text) {
Expand All @@ -305,10 +316,10 @@ func (r *Resolver) Search(args struct{ Text string }) *[]searchResultResolver {
l = append(l, &starshipResolver{s: s})
}
}
return &l
return l
}

func (r *Resolver) Character(args struct{ ID string }) characterResolver {
func (r *Resolver) Character(args *struct{ ID string }) characterResolver {
if h := humanData[args.ID]; h != nil {
return &humanResolver{h: h}
}
Expand All @@ -318,32 +329,37 @@ func (r *Resolver) Character(args struct{ ID string }) characterResolver {
return nil
}

func (r *Resolver) Human(args struct{ ID string }) *humanResolver {
func (r *Resolver) Human(args *struct{ ID string }) *humanResolver {
if h := humanData[args.ID]; h != nil {
return &humanResolver{h: h}
}
return nil
}

func (r *Resolver) Droid(args struct{ ID string }) *droidResolver {
func (r *Resolver) Droid(args *struct{ ID string }) *droidResolver {
if d := droidData[args.ID]; d != nil {
return &droidResolver{d: d}
}
return nil
}

func (r *Resolver) Starship(args struct{ ID string }) *starshipResolver {
func (r *Resolver) Starship(args *struct{ ID string }) *starshipResolver {
if s := starshipData[args.ID]; s != nil {
return &starshipResolver{s: s}
}
return nil
}

func (r *Resolver) CreateReview(args struct {
func (r *Resolver) CreateReview(args *struct {
Episode string
Review *reviewInput
}) *reviewResolver {
panic("TODO")
review := &review{
stars: args.Review.Stars,
commentary: &args.Review.Commentary,
}
reviews[args.Episode] = append(reviews[args.Episode], review)
return &reviewResolver{review}
}

type friendsConenctionArgs struct {
Expand All @@ -355,7 +371,7 @@ type characterResolver interface {
ID() string
Name() string
Friends() *[]characterResolver
FriendsConnection(friendsConenctionArgs) (*friendsConnectionResolver, error)
FriendsConnection(*friendsConenctionArgs) (*friendsConnectionResolver, error)
AppearsIn() []string
ToHuman() (*humanResolver, bool)
ToDroid() (*droidResolver, bool)
Expand Down Expand Up @@ -388,7 +404,7 @@ func (r *humanResolver) Name() string {
return r.h.Name
}

func (r *humanResolver) Height(args struct{ Unit string }) float64 {
func (r *humanResolver) Height(args *struct{ Unit string }) float64 {
return convertLength(r.h.Height, args.Unit)
}

Expand All @@ -404,7 +420,7 @@ func (r *humanResolver) Friends() *[]characterResolver {
return resolveCharacters(r.h.Friends)
}

func (r *humanResolver) FriendsConnection(args friendsConenctionArgs) (*friendsConnectionResolver, error) {
func (r *humanResolver) FriendsConnection(args *friendsConenctionArgs) (*friendsConnectionResolver, error) {
return newFriendsConnectionResolver(r.h.Friends, args)
}

Expand Down Expand Up @@ -441,7 +457,7 @@ func (r *droidResolver) Friends() *[]characterResolver {
return resolveCharacters(r.d.Friends)
}

func (r *droidResolver) FriendsConnection(args friendsConenctionArgs) (*friendsConnectionResolver, error) {
func (r *droidResolver) FriendsConnection(args *friendsConenctionArgs) (*friendsConnectionResolver, error) {
return newFriendsConnectionResolver(r.d.Friends, args)
}

Expand Down Expand Up @@ -473,7 +489,7 @@ func (r *starshipResolver) Name() string {
return r.s.Name
}

func (r *starshipResolver) Length(args struct{ Unit string }) float64 {
func (r *starshipResolver) Length(args *struct{ Unit string }) float64 {
return convertLength(r.s.Length, args.Unit)
}

Expand Down Expand Up @@ -519,14 +535,15 @@ func resolveCharacter(id string) characterResolver {
}

type reviewResolver struct {
r *review
}

func (r *reviewResolver) Stars() int32 {
panic("TODO")
return r.r.stars
}

func (r *reviewResolver) Commentary() *string {
panic("TODO")
return r.r.commentary
}

type friendsConnectionResolver struct {
Expand All @@ -535,7 +552,7 @@ type friendsConnectionResolver struct {
to int
}

func newFriendsConnectionResolver(ids []string, args friendsConenctionArgs) (*friendsConnectionResolver, error) {
func newFriendsConnectionResolver(ids []string, args *friendsConenctionArgs) (*friendsConnectionResolver, error) {
from := 0
if args.After != "" {
b, err := base64.StdEncoding.DecodeString(args.After)
Expand Down
97 changes: 69 additions & 28 deletions graphql_test.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -655,34 +655,75 @@ var tests = []struct {
`,
},

// {
// name: "StarWarsMutation1",
// schema: starwars.Schema,
// resolver: &starwars.Resolver{},
// query: `
// mutation CreateReviewForEpisode($ep: Episode!, $review: ReviewInput!) {
// createReview(episode: $ep, review: $review) {
// stars
// commentary
// }
// }
// `,
// variables: map[string]interface{}{
// "ep": "JEDI",
// "review": map[string]interface{}{
// "stars": 5,
// "commentary": "This is a great movie!",
// },
// },
// result: `
// {
// "createReview": {
// "stars": 5,
// "commentary": "This is a great movie!"
// }
// }
// `,
// },
{
name: "StarWarsMutation1",
schema: starwars.Schema,
resolver: &starwars.Resolver{},
query: `
{
reviews(episode: "JEDI") {
stars
commentary
}
}
`,
result: `
{
"reviews": []
}
`,
},

{
name: "StarWarsMutation2",
schema: starwars.Schema,
resolver: &starwars.Resolver{},
query: `
mutation CreateReviewForEpisode($ep: Episode!, $review: ReviewInput!) {
createReview(episode: $ep, review: $review) {
stars
commentary
}
}
`,
variables: map[string]interface{}{
"ep": "JEDI",
"review": map[string]interface{}{
"stars": 5,
"commentary": "This is a great movie!",
},
},
result: `
{
"createReview": {
"stars": 5,
"commentary": "This is a great movie!"
}
}
`,
},

{
name: "StarWarsMutation3",
schema: starwars.Schema,
resolver: &starwars.Resolver{},
query: `
{
reviews(episode: "JEDI") {
stars
commentary
}
}
`,
result: `
{
"reviews": [{
"stars": 5,
"commentary": "This is a great movie!"
}]
}
`,
},

{
name: "StarWarsIntrospection1",
Expand Down
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