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|
package graphql_test
import (
"context"
"testing"
"github.com/graph-gophers/graphql-go"
)
const selectionTestSchema = `
schema { query: Query }
type Query { customer: Customer }
type Customer { id: ID! name: String items: [Item!]! }
type Item { id: ID! name: String category: Category }
type Category { id: ID! }
`
type selectionRoot struct {
t *testing.T
expectNames []string
expectSorted []string
hasChecks map[string]bool
}
type selectionCustomer struct {
t *testing.T
id, name string
}
func (r *selectionRoot) Customer(ctx context.Context) *selectionCustomer {
if r.expectNames != nil {
names := graphql.SelectedFieldNames(ctx)
if !equalStringSlices(names, r.expectNames) {
r.t.Errorf("SelectedFieldNames = %v, want %v", names, r.expectNames)
}
}
if r.expectSorted != nil {
sorted := graphql.SortedSelectedFieldNames(ctx)
if !equalStringSlices(sorted, r.expectSorted) {
r.t.Errorf("SortedSelectedFieldNames = %v, want %v", sorted, r.expectSorted)
}
}
for n, want := range r.hasChecks {
if got := graphql.HasSelectedField(ctx, n); got != want {
r.t.Errorf("HasSelectedField(%q) = %v, want %v", n, got, want)
}
}
return &selectionCustomer{t: r.t, id: "c1", name: "Alice"}
}
func (h *selectionCustomer) ID() graphql.ID { return graphql.ID(h.id) }
func (h *selectionCustomer) Name(ctx context.Context) *string {
if len(graphql.SelectedFieldNames(ctx)) != 0 {
h.t.Errorf("leaf selections should be empty")
}
if graphql.HasSelectedField(ctx, "anything") {
h.t.Errorf("unexpected leaf HasSelectedField true")
}
if len(graphql.SortedSelectedFieldNames(ctx)) != 0 {
h.t.Errorf("leaf sorted selections should be empty")
}
return &h.name
}
// nested types for extended schema
type selectionItem struct {
id, name string
category *selectionCategory
}
type selectionCategory struct{ id string }
func (h *selectionCustomer) Items() []*selectionItem {
return []*selectionItem{{id: "i1", name: "Item", category: &selectionCategory{id: "cat1"}}}
}
func (p *selectionItem) ID() graphql.ID { return graphql.ID(p.id) }
func (p *selectionItem) Name() *string { return &p.name }
func (p *selectionItem) Category() *selectionCategory { return p.category }
func (c *selectionCategory) ID() graphql.ID { return graphql.ID(c.id) }
func TestFieldSelectionHelpers(t *testing.T) {
tests := []struct {
name string
schemaOpts []graphql.SchemaOpt
query string
expectNames []string
expectSorted []string
hasChecks map[string]bool
}{
{
name: "enabled order",
query: `query { customer { name id } }`,
expectNames: []string{"name", "id"},
expectSorted: []string{"id", "name"},
hasChecks: map[string]bool{"id": true, "name": true},
},
{
name: "one field",
query: `query { customer { id } }`,
expectNames: []string{"id"},
expectSorted: []string{"id"},
hasChecks: map[string]bool{"id": true, "name": false},
},
{
name: "nested paths",
query: `query { customer { items { id name category { id } } id } }`,
expectNames: []string{"items", "items.id", "items.name", "items.category", "items.category.id", "id"},
expectSorted: []string{"id", "items", "items.category", "items.category.id", "items.id", "items.name"},
hasChecks: map[string]bool{"items": true, "items.id": true, "items.name": true, "items.category": true, "items.category.id": true, "id": true},
},
{
name: "disabled",
schemaOpts: []graphql.SchemaOpt{graphql.DisableFieldSelections()},
query: `query { customer { name id } }`,
expectNames: []string{},
expectSorted: []string{},
hasChecks: map[string]bool{"id": false, "name": false},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
root := &selectionRoot{t: t, expectNames: tt.expectNames, expectSorted: tt.expectSorted, hasChecks: tt.hasChecks}
s := graphql.MustParseSchema(selectionTestSchema, root, tt.schemaOpts...)
resp := s.Exec(context.Background(), tt.query, "", nil)
if len(resp.Errors) > 0 {
t.Fatalf("execution errors: %v", resp.Errors)
}
})
}
}
func TestSelectedFieldNames_FragmentsAliasesMeta(t *testing.T) {
tests := []struct {
name, query string
expectNames []string
hasChecks map[string]bool
}{
{
name: "alias ignored",
query: `query { customer { idAlias: id name } }`,
expectNames: []string{"id", "name"},
hasChecks: map[string]bool{"id": true, "idAlias": false, "name": true},
},
{
name: "fragment spread",
query: `fragment CFields on Customer { id name } query { customer { ...CFields } }`,
expectNames: []string{"id", "name"},
hasChecks: map[string]bool{"id": true, "name": true},
},
{
name: "inline fragment",
query: `query { customer { id ... on Customer { id name } } }`,
expectNames: []string{"id", "name"},
hasChecks: map[string]bool{"id": true, "name": true},
},
{
name: "meta excluded",
query: `query { customer { id __typename name } }`,
expectNames: []string{"id", "name"},
hasChecks: map[string]bool{"id": true, "name": true, "__typename": false},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
root := &selectionRoot{t: t, expectNames: tt.expectNames, expectSorted: tt.expectNames, hasChecks: tt.hasChecks}
s := graphql.MustParseSchema(selectionTestSchema, root)
resp := s.Exec(context.Background(), tt.query, "", nil)
if len(resp.Errors) > 0 {
t.Fatalf("execution errors: %v", resp.Errors)
}
})
}
}
func equalStringSlices(a, b []string) bool {
if len(a) != len(b) {
return false
}
for i := range a {
if a[i] != b[i] {
return false
}
}
return true
}
|
