mirror of https://github.com/grpc/grpc-go.git
test: move codec tests to a separate file (#6663)
This commit is contained in:
Easwar Swaminathan
GitHub
parent
57cb4d8069
commit
09792b58fb
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@ -0,0 +1,188 @@
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/*
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*
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* Copyright 2023 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package test
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import (
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"context"
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"fmt"
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"reflect"
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"sync/atomic"
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"testing"
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"google.golang.org/grpc"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/encoding"
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"google.golang.org/grpc/internal/stubserver"
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testgrpc "google.golang.org/grpc/interop/grpc_testing"
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testpb "google.golang.org/grpc/interop/grpc_testing"
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"google.golang.org/grpc/metadata"
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"google.golang.org/grpc/status"
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"google.golang.org/protobuf/proto"
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)
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type errCodec struct {
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noError bool
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}
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func (c *errCodec) Marshal(v any) ([]byte, error) {
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if c.noError {
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return []byte{}, nil
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}
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return nil, fmt.Errorf("3987^12 + 4365^12 = 4472^12")
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}
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func (c *errCodec) Unmarshal(data []byte, v any) error {
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return nil
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}
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func (c *errCodec) Name() string {
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return "Fermat's near-miss."
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}
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func (s) TestEncodeDoesntPanic(t *testing.T) {
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for _, e := range listTestEnv() {
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testEncodeDoesntPanic(t, e)
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}
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}
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func testEncodeDoesntPanic(t *testing.T, e env) {
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te := newTest(t, e)
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erc := &errCodec{}
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te.customCodec = erc
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te.startServer(&testServer{security: e.security})
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defer te.tearDown()
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te.customCodec = nil
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tc := testgrpc.NewTestServiceClient(te.clientConn())
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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// Failure case, should not panic.
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tc.EmptyCall(ctx, &testpb.Empty{})
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erc.noError = true
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// Passing case.
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if _, err := tc.EmptyCall(ctx, &testpb.Empty{}); err != nil {
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t.Fatalf("EmptyCall(_, _) = _, %v, want _, <nil>", err)
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}
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}
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type countingProtoCodec struct {
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marshalCount int32
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unmarshalCount int32
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}
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func (p *countingProtoCodec) Marshal(v any) ([]byte, error) {
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atomic.AddInt32(&p.marshalCount, 1)
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vv, ok := v.(proto.Message)
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if !ok {
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return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
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}
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return proto.Marshal(vv)
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}
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func (p *countingProtoCodec) Unmarshal(data []byte, v any) error {
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atomic.AddInt32(&p.unmarshalCount, 1)
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vv, ok := v.(proto.Message)
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if !ok {
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return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
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}
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return proto.Unmarshal(data, vv)
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}
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func (*countingProtoCodec) Name() string {
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return "proto"
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}
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func (s) TestForceServerCodec(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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codec := &countingProtoCodec{}
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if err := ss.Start([]grpc.ServerOption{grpc.ForceServerCodec(codec)}); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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unmarshalCount := atomic.LoadInt32(&codec.unmarshalCount)
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const wantUnmarshalCount = 1
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if unmarshalCount != wantUnmarshalCount {
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t.Fatalf("protoCodec.unmarshalCount = %d; want %d", unmarshalCount, wantUnmarshalCount)
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}
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marshalCount := atomic.LoadInt32(&codec.marshalCount)
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const wantMarshalCount = 1
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if marshalCount != wantMarshalCount {
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t.Fatalf("protoCodec.marshalCount = %d; want %d", marshalCount, wantMarshalCount)
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}
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}
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// renameProtoCodec is an encoding.Codec wrapper that allows customizing the
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// Name() of another codec.
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type renameProtoCodec struct {
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encoding.Codec
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name string
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}
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func (r *renameProtoCodec) Name() string { return r.name }
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// TestForceCodecName confirms that the ForceCodec call option sets the subtype
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// in the content-type header according to the Name() of the codec provided.
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func (s) TestForceCodecName(t *testing.T) {
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wantContentTypeCh := make(chan []string, 1)
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defer close(wantContentTypeCh)
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ss := &stubserver.StubServer{
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EmptyCallF: func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil, status.Errorf(codes.Internal, "no metadata in context")
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}
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if got, want := md["content-type"], <-wantContentTypeCh; !reflect.DeepEqual(got, want) {
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return nil, status.Errorf(codes.Internal, "got content-type=%q; want [%q]", got, want)
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}
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return &testpb.Empty{}, nil
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},
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}
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if err := ss.Start([]grpc.ServerOption{grpc.ForceServerCodec(encoding.GetCodec("proto"))}); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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codec := &renameProtoCodec{Codec: encoding.GetCodec("proto"), name: "some-test-name"}
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wantContentTypeCh <- []string{"application/grpc+some-test-name"}
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}, grpc.ForceCodec(codec)); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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// Confirm the name is converted to lowercase before transmitting.
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codec.name = "aNoTHeRNaME"
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wantContentTypeCh <- []string{"application/grpc+anothername"}
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}, grpc.ForceCodec(codec)); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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}
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@ -4443,86 +4443,6 @@ func (s) TestGRPCMethod(t *testing.T) {
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}
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}
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}
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}
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// renameProtoCodec is an encoding.Codec wrapper that allows customizing the
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// Name() of another codec.
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type renameProtoCodec struct {
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encoding.Codec
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name string
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}
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func (r *renameProtoCodec) Name() string { return r.name }
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// TestForceCodecName confirms that the ForceCodec call option sets the subtype
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// in the content-type header according to the Name() of the codec provided.
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func (s) TestForceCodecName(t *testing.T) {
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wantContentTypeCh := make(chan []string, 1)
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defer close(wantContentTypeCh)
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ss := &stubserver.StubServer{
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EmptyCallF: func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
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md, ok := metadata.FromIncomingContext(ctx)
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if !ok {
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return nil, status.Errorf(codes.Internal, "no metadata in context")
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}
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if got, want := md["content-type"], <-wantContentTypeCh; !reflect.DeepEqual(got, want) {
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return nil, status.Errorf(codes.Internal, "got content-type=%q; want [%q]", got, want)
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}
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return &testpb.Empty{}, nil
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},
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}
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if err := ss.Start([]grpc.ServerOption{grpc.ForceServerCodec(encoding.GetCodec("proto"))}); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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codec := &renameProtoCodec{Codec: encoding.GetCodec("proto"), name: "some-test-name"}
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wantContentTypeCh <- []string{"application/grpc+some-test-name"}
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}, grpc.ForceCodec(codec)); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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// Confirm the name is converted to lowercase before transmitting.
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codec.name = "aNoTHeRNaME"
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wantContentTypeCh <- []string{"application/grpc+anothername"}
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}, grpc.ForceCodec(codec)); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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}
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func (s) TestForceServerCodec(t *testing.T) {
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ss := &stubserver.StubServer{
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EmptyCallF: func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) {
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return &testpb.Empty{}, nil
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},
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}
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codec := &countingProtoCodec{}
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if err := ss.Start([]grpc.ServerOption{grpc.ForceServerCodec(codec)}); err != nil {
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t.Fatalf("Error starting endpoint server: %v", err)
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}
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defer ss.Stop()
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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if _, err := ss.Client.EmptyCall(ctx, &testpb.Empty{}); err != nil {
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t.Fatalf("ss.Client.EmptyCall(_, _) = _, %v; want _, nil", err)
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}
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unmarshalCount := atomic.LoadInt32(&codec.unmarshalCount)
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const wantUnmarshalCount = 1
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if unmarshalCount != wantUnmarshalCount {
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t.Fatalf("protoCodec.unmarshalCount = %d; want %d", unmarshalCount, wantUnmarshalCount)
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}
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marshalCount := atomic.LoadInt32(&codec.marshalCount)
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const wantMarshalCount = 1
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if marshalCount != wantMarshalCount {
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t.Fatalf("protoCodec.marshalCount = %d; want %d", marshalCount, wantMarshalCount)
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}
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}
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func (s) TestUnaryProxyDoesNotForwardMetadata(t *testing.T) {
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func (s) TestUnaryProxyDoesNotForwardMetadata(t *testing.T) {
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const mdkey = "somedata"
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const mdkey = "somedata"
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@ -4865,77 +4785,6 @@ func testWaitForReadyConnection(t *testing.T, e env) {
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}
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}
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}
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}
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type errCodec struct {
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noError bool
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}
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func (c *errCodec) Marshal(v any) ([]byte, error) {
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if c.noError {
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return []byte{}, nil
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}
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return nil, fmt.Errorf("3987^12 + 4365^12 = 4472^12")
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}
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func (c *errCodec) Unmarshal(data []byte, v any) error {
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return nil
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}
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func (c *errCodec) Name() string {
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return "Fermat's near-miss."
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}
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type countingProtoCodec struct {
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marshalCount int32
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unmarshalCount int32
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}
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func (p *countingProtoCodec) Marshal(v any) ([]byte, error) {
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atomic.AddInt32(&p.marshalCount, 1)
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vv, ok := v.(proto.Message)
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if !ok {
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return nil, fmt.Errorf("failed to marshal, message is %T, want proto.Message", v)
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}
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return proto.Marshal(vv)
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}
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func (p *countingProtoCodec) Unmarshal(data []byte, v any) error {
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atomic.AddInt32(&p.unmarshalCount, 1)
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vv, ok := v.(proto.Message)
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if !ok {
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return fmt.Errorf("failed to unmarshal, message is %T, want proto.Message", v)
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}
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return proto.Unmarshal(data, vv)
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}
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func (*countingProtoCodec) Name() string {
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return "proto"
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}
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func (s) TestEncodeDoesntPanic(t *testing.T) {
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for _, e := range listTestEnv() {
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testEncodeDoesntPanic(t, e)
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}
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}
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func testEncodeDoesntPanic(t *testing.T, e env) {
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te := newTest(t, e)
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erc := &errCodec{}
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te.customCodec = erc
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te.startServer(&testServer{security: e.security})
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defer te.tearDown()
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te.customCodec = nil
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tc := testgrpc.NewTestServiceClient(te.clientConn())
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ctx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout)
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defer cancel()
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// Failure case, should not panic.
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tc.EmptyCall(ctx, &testpb.Empty{})
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erc.noError = true
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// Passing case.
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if _, err := tc.EmptyCall(ctx, &testpb.Empty{}); err != nil {
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t.Fatalf("EmptyCall(_, _) = _, %v, want _, <nil>", err)
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}
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}
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func (s) TestSvrWriteStatusEarlyWrite(t *testing.T) {
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func (s) TestSvrWriteStatusEarlyWrite(t *testing.T) {
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for _, e := range listTestEnv() {
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for _, e := range listTestEnv() {
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testSvrWriteStatusEarlyWrite(t, e)
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testSvrWriteStatusEarlyWrite(t, e)
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