forked from grpc/grpc-go
/
metadata_test.go
118 lines (109 loc) · 3.66 KB
/
metadata_test.go
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/*
*
* Copyright 2022 gRPC 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 test
import (
"context"
"fmt"
"io"
"reflect"
"testing"
"time"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/internal/stubserver"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/status"
testpb "google.golang.org/grpc/test/grpc_testing"
)
func (s) TestInvalidMetadata(t *testing.T) {
tests := []struct {
md metadata.MD
want error
recv error
}{
{
md: map[string][]string{string(rune(0x19)): {"testVal"}},
want: status.Error(codes.Internal, "header key \"\\x19\" contains illegal characters not in [0-9a-z-_.]"),
recv: status.Error(codes.Internal, "invalid header field name \"\\x19\""),
},
{
md: map[string][]string{"test": {string(rune(0x19))}},
want: status.Error(codes.Internal, "header key \"test\" contains value with non-printable ASCII characters"),
recv: status.Error(codes.Internal, "invalid header field value \"\\x19\""),
},
{
md: map[string][]string{"test-bin": {string(rune(0x19))}},
want: nil,
recv: io.EOF,
},
{
md: map[string][]string{"test": {"value"}},
want: nil,
recv: io.EOF,
},
}
testNum := 0
ss := &stubserver.StubServer{
EmptyCallF: func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
return &testpb.Empty{}, nil
},
FullDuplexCallF: func(stream testpb.TestService_FullDuplexCallServer) error {
_, err := stream.Recv()
if err != nil {
return err
}
test := tests[testNum]
testNum++
if err := stream.SetHeader(test.md); !reflect.DeepEqual(test.want, err) {
return fmt.Errorf("call stream.SendHeader(md) validate metadata which is %v got err :%v, want err :%v", test.md, err, test.want)
}
if err := stream.SendHeader(test.md); !reflect.DeepEqual(test.want, err) {
return fmt.Errorf("call stream.SendHeader(md) validate metadata which is %v got err :%v, want err :%v", test.md, err, test.want)
}
stream.SetTrailer(test.md)
return nil
},
}
if err := ss.Start(nil); err != nil {
t.Fatalf("Error starting ss endpoint server: %v", err)
}
defer ss.Stop()
for _, test := range tests {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
defer cancel()
ctx = metadata.NewOutgoingContext(ctx, test.md)
if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}); !reflect.DeepEqual(test.want, err) {
t.Errorf("call ss.Client.EmptyCall() validate metadata which is %v got err :%v, want err :%v", test.md, err, test.want)
}
}
// call the stream server's api to drive the server-side unit testing
for _, test := range tests {
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
stream, err := ss.Client.FullDuplexCall(ctx)
defer cancel()
if err != nil {
t.Errorf("call ss.Client.FullDuplexCall(context.Background()) will success but got err :%v", err)
continue
}
if err := stream.Send(&testpb.StreamingOutputCallRequest{}); err != nil {
t.Errorf("call ss.Client stream Send(nil) will success but got err :%v", err)
}
if _, err := stream.Recv(); !reflect.DeepEqual(test.recv, err) {
t.Errorf("stream.Recv() = _, get err :%v, want err :%v", err, test.recv)
}
}
}