fix: support recursive response DTOs and release v0.28.2

openapi/openapi.go

@@ -17,6 +17,8 @@ import (
 )
 
 type Schema struct {
+	Ref                         string             `json:"$ref,omitempty"`
+	AllOf                       []*Schema          `json:"allOf,omitempty"`
 	MaxBytes                    *int64             `json:"x-omni-max-bytes,omitempty"`
 	Example                     any                `json:"example,omitempty"`
 	EnumDescriptions            []string           `json:"x-enum-descriptions,omitempty"`

openapi/schemaJSON_test.go

@@ -2,6 +2,7 @@ package openapi
 
 import (
 	"encoding/json"
+	"reflect"
 	"strings"
 	"testing"
 
@@ -14,6 +15,8 @@ func TestSchemaAdditionalPropertiesAndExactNumbers(t *testing.T) {
 		`{"type":"object","additionalProperties":true}`,
 		`{"type":"object","additionalProperties":{"type":"string"}}`,
 		`{"type":"integer","default":18446744073709551615,"enum":[18446744073709551615]}`,
+		`{"$ref":"#/components/schemas/Node"}`,
+		`{"description":"Node","allOf":[{"anyOf":[{"$ref":"#/components/schemas/Node"},{"type":"object","nullable":true,"enum":[null]}]}]}`,
 	} {
 		var s Schema
 		if err := json.Unmarshal([]byte(text), &s); err != nil {
@@ -30,6 +33,9 @@ func TestSchemaAdditionalPropertiesAndExactNumbers(t *testing.T) {
 		if err = json.Unmarshal(b, &roundTrip); err != nil {
 			t.Fatal(err)
 		}
+		if !reflect.DeepEqual(s, roundTrip) {
+			t.Fatalf("schema round trip changed: %s", b)
+		}
 	}
 	api, _ := New("Exact numbers", "1")
 	s := &Schema{Type: "integer", Enum: []any{json.Number("18446744073709551615")}}