Files
2026-07-13 12:49:10 +08:00

119 lines
3.0 KiB
Go

/*
* Copyright 2024 CloudWeGo Authors
*
* 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.
*/
package multiquery
import (
"context"
"strings"
"testing"
"github.com/cloudwego/eino/components/model"
"github.com/cloudwego/eino/components/retriever"
"github.com/cloudwego/eino/compose"
"github.com/cloudwego/eino/schema"
)
type mockRetriever struct {
}
func (m *mockRetriever) Retrieve(ctx context.Context, query string, opts ...retriever.Option) ([]*schema.Document, error) {
var ret []*schema.Document
if strings.Contains(query, "1") {
ret = append(ret, &schema.Document{ID: "1"})
}
if strings.Contains(query, "2") {
ret = append(ret, &schema.Document{ID: "2"})
}
if strings.Contains(query, "3") {
ret = append(ret, &schema.Document{ID: "3"})
}
if strings.Contains(query, "4") {
ret = append(ret, &schema.Document{ID: "4"})
}
if strings.Contains(query, "5") {
ret = append(ret, &schema.Document{ID: "5"})
}
return ret, nil
}
type mockModel struct {
}
func (m *mockModel) Generate(ctx context.Context, input []*schema.Message, opts ...model.Option) (*schema.Message, error) {
return &schema.Message{
Content: "12\n23\n34\n14\n23\n45",
}, nil
}
func (m *mockModel) Stream(ctx context.Context, input []*schema.Message, opts ...model.Option) (*schema.StreamReader[*schema.Message], error) {
panic("implement me")
}
func (m *mockModel) BindTools(tools []*schema.ToolInfo) error {
panic("implement me")
}
func TestMultiQueryRetriever(t *testing.T) {
ctx := context.Background()
// use default llm
mqr, err := NewRetriever(ctx, &Config{
RewriteLLM: &mockModel{},
OrigRetriever: &mockRetriever{},
})
if err != nil {
t.Fatal(err)
}
c := compose.NewChain[string, []*schema.Document]()
cr, err := c.AppendRetriever(mqr).Compile(ctx)
if err != nil {
t.Fatal(err)
}
result, err := cr.Invoke(ctx, "query")
if err != nil {
t.Fatal(err)
}
if len(result) != 4 {
t.Fatal("default llm retrieve result is unexpected")
}
// use custom
mqr, err = NewRetriever(ctx, &Config{
RewriteHandler: func(ctx context.Context, query string) ([]string, error) {
return []string{"1", "3", "5"}, nil
},
OrigRetriever: &mockRetriever{},
})
if err != nil {
t.Fatal(err)
}
c = compose.NewChain[string, []*schema.Document]()
cr, err = c.AppendRetriever(mqr).Compile(ctx)
if err != nil {
t.Fatal(err)
}
result, err = cr.Invoke(ctx, "query")
if err != nil {
t.Fatal(err)
}
if len(result) != 3 {
t.Fatal("default llm retrieve result is unexpected")
}
}