// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package genkit
import (
"context"
"testing"
"github.com/firebase/genkit/go/core"
)
func TestStreamFlow(t *testing.T) {
g := Init(context.Background())
f := DefineStreamingFlow(g, "count", count)
iter := f.Stream(context.Background(), 2)
want := 0
iter(func(val *core.StreamingFlowValue[int, int], err error) bool {
if err != nil {
t.Fatal(err)
}
var got int
if val.Done {
got = val.Output
} else {
got = val.Stream
}
if got != want {
t.Errorf("got %d, want %d", got, want)
}
want++
return true
})
}
// count streams the numbers from 0 to n-1, then returns n.
func count(ctx context.Context, n int, cb func(context.Context, int) error) (int, error) {
if cb != nil {
for i := range n {
if err := cb(ctx, i); err != nil {
return 0, err
}
}
}
return n, nil
}
func TestDefineSchemaWithType(t *testing.T) {
g := Init(context.Background())
type UserInfo struct {
Name string `json:"name"`
Age int `json:"age,omitempty"`
}
DefineSchemaFor[UserInfo](g)
schema := g.reg.LookupSchema("UserInfo")
if schema == nil {
t.Fatal("Schema UserInfo not found")
}
if schema["type"] != "object" {
t.Errorf("Expected type object, got %v", schema["type"])
}
props, ok := schema["properties"].(map[string]any)
if !ok {
t.Fatal("Properties not found or invalid type")
}
if _, ok := props["name"]; !ok {
t.Error("Property 'name' not found")
}
if _, ok := props["age"]; !ok {
t.Error("Property 'age' not found")
}
required, ok := schema["required"].([]any)
if !ok {
t.Fatal("Required fields not found or invalid type")
}
// jsonschema reflection makes fields required by default unless omitempty
foundName := false
for _, r := range required {
if r == "name" {
foundName = true
break
}
}
if !foundName {
t.Error("Expected 'name' to be required")
}
}
func TestDefineSchemaWithType_Error(t *testing.T) {
g := Init(context.Background())
// We expect a panic because DefineSchemaWithType panics on error
defer func() {
if r := recover(); r == nil {
t.Errorf("The code did not panic")
}
}()
type Invalid struct {
Foo func() `json:"foo"`
}
DefineSchemaFor[Invalid](g)
}
