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// Copyright (c) The go-grpc-middleware Authors.
// Licensed under the Apache License 2.0.
// Copyright 2017 David Ackroyd. All Rights Reserved.
// See LICENSE for licensing terms.
package recovery_test
import (
"context"
"testing"
"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/recovery"
"github.com/grpc-ecosystem/go-grpc-middleware/v2/testing/testpb"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
type recoveryAssertService struct {
testpb.TestServiceServer
}
func (s *recoveryAssertService) Ping(ctx context.Context, ping *testpb.PingRequest) (*testpb.PingResponse, error) {
if ping.Value == "panic" {
panic("very bad thing happened")
}
return s.TestServiceServer.Ping(ctx, ping)
}
func (s *recoveryAssertService) PingList(ping *testpb.PingListRequest, stream testpb.TestService_PingListServer) error {
if ping.Value == "panic" {
panic("very bad thing happened")
}
return s.TestServiceServer.PingList(ping, stream)
}
func TestRecoverySuite(t *testing.T) {
s := &RecoverySuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
TestService: &recoveryAssertService{TestServiceServer: &testpb.TestPingService{}},
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(
recovery.StreamServerInterceptor()),
grpc.UnaryInterceptor(
recovery.UnaryServerInterceptor()),
},
},
}
suite.Run(t, s)
}
type RecoverySuite struct {
*testpb.InterceptorTestSuite
}
func (s *RecoverySuite) TestUnary_SuccessfulRequest() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.GoodPing)
require.NoError(s.T(), err, "no error must occur")
}
func (s *RecoverySuite) TestUnary_PanickingRequest() {
_, err := s.Client.Ping(s.SimpleCtx(), &testpb.PingRequest{Value: "panic"})
require.Error(s.T(), err, "there must be an error")
assert.Equal(s.T(), codes.Unknown, status.Code(err), "must error with unknown")
assert.Contains(s.T(), status.Convert(err).Message(), "panic caught", "must error with message")
assert.Contains(s.T(), status.Convert(err).Message(), "recovery.recoverFrom", "must include stack trace")
}
func (s *RecoverySuite) TestStream_SuccessfulReceive() {
stream, err := s.Client.PingList(s.SimpleCtx(), testpb.GoodPingList)
require.NoError(s.T(), err, "should not fail on establishing the stream")
pong, err := stream.Recv()
require.NoError(s.T(), err, "no error must occur")
require.NotNil(s.T(), pong, "pong must not be nil")
}
func (s *RecoverySuite) TestStream_PanickingReceive() {
stream, err := s.Client.PingList(s.SimpleCtx(), &testpb.PingListRequest{Value: "panic"})
require.NoError(s.T(), err, "should not fail on establishing the stream")
_, err = stream.Recv()
require.Error(s.T(), err, "there must be an error")
assert.Equal(s.T(), codes.Unknown, status.Code(err), "must error with unknown")
assert.Contains(s.T(), status.Convert(err).Message(), "panic caught", "must error with message")
assert.Contains(s.T(), status.Convert(err).Message(), "recovery.recoverFrom", "must include stack trace")
}
func TestRecoveryOverrideSuite(t *testing.T) {
opts := []recovery.Option{
recovery.WithRecoveryHandler(func(p any) (err error) {
return status.Errorf(codes.Unknown, "panic triggered: %v", p)
}),
}
s := &RecoveryOverrideSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
TestService: &recoveryAssertService{TestServiceServer: &testpb.TestPingService{}},
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(
recovery.StreamServerInterceptor(opts...)),
grpc.UnaryInterceptor(
recovery.UnaryServerInterceptor(opts...)),
},
},
}
suite.Run(t, s)
}
type RecoveryOverrideSuite struct {
*testpb.InterceptorTestSuite
}
func (s *RecoveryOverrideSuite) TestUnary_SuccessfulRequest() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.GoodPing)
require.NoError(s.T(), err, "no error must occur")
}
func (s *RecoveryOverrideSuite) TestUnary_PanickingRequest() {
_, err := s.Client.Ping(s.SimpleCtx(), &testpb.PingRequest{Value: "panic"})
require.Error(s.T(), err, "there must be an error")
assert.Equal(s.T(), codes.Unknown, status.Code(err), "must error with unknown")
assert.Equal(s.T(), "panic triggered: very bad thing happened", status.Convert(err).Message(), "must error with message")
}
func (s *RecoveryOverrideSuite) TestStream_SuccessfulReceive() {
stream, err := s.Client.PingList(s.SimpleCtx(), testpb.GoodPingList)
require.NoError(s.T(), err, "should not fail on establishing the stream")
pong, err := stream.Recv()
require.NoError(s.T(), err, "no error must occur")
require.NotNil(s.T(), pong, "pong must not be nil")
}
func (s *RecoveryOverrideSuite) TestStream_PanickingReceive() {
stream, err := s.Client.PingList(s.SimpleCtx(), &testpb.PingListRequest{Value: "panic"})
require.NoError(s.T(), err, "should not fail on establishing the stream")
_, err = stream.Recv()
require.Error(s.T(), err, "there must be an error")
assert.Equal(s.T(), codes.Unknown, status.Code(err), "must error with unknown")
assert.Equal(s.T(), "panic triggered: very bad thing happened", status.Convert(err).Message(), "must error with message")
}
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