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// Copyright (c) The go-grpc-middleware Authors.
// Licensed under the Apache License 2.0.
package validator_test
import (
"context"
"io"
"testing"
"github.com/grpc-ecosystem/go-grpc-middleware/v2/interceptors/validator"
"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 ValidatorTestSuite struct {
*testpb.InterceptorTestSuite
}
func (s *ValidatorTestSuite) TestValidPasses_Unary() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.GoodPing)
assert.NoError(s.T(), err, "no error expected")
}
func (s *ValidatorTestSuite) TestInvalidErrors_Unary() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.BadPing)
assert.Error(s.T(), err, "no error expected")
assert.Equal(s.T(), codes.InvalidArgument, status.Code(err), "gRPC status must be InvalidArgument")
}
func (s *ValidatorTestSuite) TestValidPasses_ServerStream() {
stream, err := s.Client.PingList(s.SimpleCtx(), testpb.GoodPingList)
require.NoError(s.T(), err, "no error on stream establishment expected")
for {
_, err := stream.Recv()
if err == io.EOF {
break
}
assert.NoError(s.T(), err, "no error on messages sent occurred")
}
}
type ClientValidatorTestSuite struct {
*testpb.InterceptorTestSuite
}
func (s *ClientValidatorTestSuite) TestValidPasses_Unary() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.GoodPing)
assert.NoError(s.T(), err, "no error expected")
}
func (s *ClientValidatorTestSuite) TestInvalidErrors_Unary() {
_, err := s.Client.Ping(s.SimpleCtx(), testpb.BadPing)
assert.Error(s.T(), err, "error expected")
assert.Equal(s.T(), codes.InvalidArgument, status.Code(err), "gRPC status must be InvalidArgument")
}
func (s *ValidatorTestSuite) TestInvalidErrors_ServerStream() {
stream, err := s.Client.PingList(s.SimpleCtx(), testpb.BadPingList)
require.NoError(s.T(), err, "no error on stream establishment expected")
_, err = stream.Recv()
assert.Error(s.T(), err, "error should be received on first message")
assert.Equal(s.T(), codes.InvalidArgument, status.Code(err), "gRPC status must be InvalidArgument")
}
func (s *ValidatorTestSuite) TestInvalidErrors_BidiStream() {
stream, err := s.Client.PingStream(s.SimpleCtx())
require.NoError(s.T(), err, "no error on stream establishment expected")
require.NoError(s.T(), stream.Send(testpb.GoodPingStream))
_, err = stream.Recv()
assert.NoError(s.T(), err, "receiving a good ping should return a good pong")
require.NoError(s.T(), stream.Send(testpb.GoodPingStream))
_, err = stream.Recv()
assert.NoError(s.T(), err, "receiving a good ping should return a good pong")
require.NoError(s.T(), stream.Send(testpb.BadPingStream))
_, err = stream.Recv()
assert.Error(s.T(), err, "receiving a bad ping should return a bad pong")
assert.Equal(s.T(), codes.InvalidArgument, status.Code(err), "gRPC status must be InvalidArgument")
err = stream.CloseSend()
assert.NoError(s.T(), err, "there should be no error closing the stream on send")
}
func TestValidatorTestSuite(t *testing.T) {
sWithNoArgs := &ValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(validator.StreamServerInterceptor()),
grpc.UnaryInterceptor(validator.UnaryServerInterceptor()),
},
},
}
suite.Run(t, sWithNoArgs)
sWithFailFastArgs := &ValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(validator.StreamServerInterceptor(validator.WithFailFast())),
grpc.UnaryInterceptor(validator.UnaryServerInterceptor(validator.WithFailFast())),
},
},
}
suite.Run(t, sWithFailFastArgs)
var gotErrMsgs []string
onErr := func(ctx context.Context, err error) {
gotErrMsgs = append(gotErrMsgs, err.Error())
}
sWithOnErrFuncArgs := &ValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(validator.StreamServerInterceptor(validator.WithOnValidationErrCallback(onErr))),
grpc.UnaryInterceptor(validator.UnaryServerInterceptor(validator.WithOnValidationErrCallback(onErr))),
},
},
}
suite.Run(t, sWithOnErrFuncArgs)
require.Equal(t, []string{"cannot sleep for more than 10s", "cannot sleep for more than 10s", "cannot sleep for more than 10s"}, gotErrMsgs)
gotErrMsgs = gotErrMsgs[:0]
sAll := &ValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.StreamInterceptor(validator.StreamServerInterceptor(validator.WithFailFast(), validator.WithOnValidationErrCallback(onErr))),
grpc.UnaryInterceptor(validator.UnaryServerInterceptor(validator.WithFailFast(), validator.WithOnValidationErrCallback(onErr))),
},
},
}
suite.Run(t, sAll)
require.Equal(t, []string{"cannot sleep for more than 10s", "cannot sleep for more than 10s", "cannot sleep for more than 10s"}, gotErrMsgs)
csWithNoArgs := &ClientValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ClientOpts: []grpc.DialOption{
grpc.WithUnaryInterceptor(validator.UnaryClientInterceptor()),
},
},
}
suite.Run(t, csWithNoArgs)
csWithFailFastArgs := &ClientValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.UnaryInterceptor(validator.UnaryServerInterceptor(validator.WithFailFast())),
},
},
}
suite.Run(t, csWithFailFastArgs)
gotErrMsgs = gotErrMsgs[:0]
csWithOnErrFuncArgs := &ClientValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ServerOpts: []grpc.ServerOption{
grpc.UnaryInterceptor(validator.UnaryServerInterceptor(validator.WithOnValidationErrCallback(onErr))),
},
},
}
suite.Run(t, csWithOnErrFuncArgs)
require.Equal(t, []string{"cannot sleep for more than 10s"}, gotErrMsgs)
gotErrMsgs = gotErrMsgs[:0]
csAll := &ClientValidatorTestSuite{
InterceptorTestSuite: &testpb.InterceptorTestSuite{
ClientOpts: []grpc.DialOption{
grpc.WithUnaryInterceptor(validator.UnaryClientInterceptor(validator.WithFailFast(), validator.WithOnValidationErrCallback(onErr))),
},
},
}
suite.Run(t, csAll)
require.Equal(t, []string{"cannot sleep for more than 10s"}, gotErrMsgs)
}
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