protocol/triple/triple_protocol/handler_compat_test.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 triple_protocol

import (
	"context"
	"testing"
)

import (
	"github.com/dubbogo/grpc-go/codes"
	"github.com/dubbogo/grpc-go/status"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

import (
	"dubbo.apache.org/dubbo-go/v3/protocol/result"
)

func TestCompatError(t *testing.T) {
	err := status.Error(codes.Code(1234), "user defined")
	triErr, ok := compatError(err)
	assert.True(t, ok)
	assert.Equal(t, Code(1234), triErr.Code())
	assert.Equal(t, "user defined", triErr.Message())
	assert.Len(t, triErr.Details(), 1)
}

func TestCompatUnaryServerInterceptorSkipsUnsupportedAttachmentValue(t *testing.T) {
	t.Parallel()

	interceptor := &tripleCompatInterceptor{procedure: "test.Service/Method"}
	respRaw, err := interceptor.compatUnaryServerInterceptor(
		context.Background(),
		"request",
		nil,
		func(context.Context, any) (any, error) {
			rpcResult := &result.RPCResult{Rest: "response"}
			rpcResult.SetAttachments(map[string]any{
				"String-Value": "ok",
				"List-Value":   []string{"a", "b"},
				"Bool-Value":   true,
			})
			return rpcResult, nil
		},
	)

	require.NoError(t, err)
	resp := respRaw.(*Response)
	assert.Equal(t, []string{"ok"}, resp.Trailer().Values("String-Value"))
	assert.Equal(t, []string{"a", "b"}, resp.Trailer().Values("List-Value"))
	assert.Empty(t, resp.Trailer().Values("Bool-Value"))
}