go.uber.org/yarpc@v1.72.1/encoding/protobuf/stream_unit_test.go (about)

     1  // Copyright (c) 2022 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package protobuf
    22  
    23  import (
    24  	"context"
    25  	"errors"
    26  	"io/ioutil"
    27  	"testing"
    28  
    29  	"github.com/gogo/protobuf/proto"
    30  	"github.com/golang/mock/gomock"
    31  	"github.com/stretchr/testify/assert"
    32  	"github.com/stretchr/testify/require"
    33  	"go.uber.org/yarpc/api/transport"
    34  	"go.uber.org/yarpc/api/transport/transporttest"
    35  	"go.uber.org/yarpc/yarpcerrors"
    36  )
    37  
    38  func TestReadFromStreamDecodeError(t *testing.T) {
    39  	mockCtrl := gomock.NewController(t)
    40  	defer mockCtrl.Finish()
    41  
    42  	ctx := context.Background()
    43  	wantErr := errors.New("error")
    44  
    45  	stream := transporttest.NewMockStreamCloser(mockCtrl)
    46  	stream.EXPECT().ReceiveMessage(ctx).Return(&transport.StreamMessage{
    47  		Body: ioutil.NopCloser(readErr{err: wantErr}),
    48  	}, nil)
    49  	stream.EXPECT().Request().Return(
    50  		&transport.StreamRequest{
    51  			Meta: &transport.RequestMeta{
    52  				Encoding: Encoding,
    53  			},
    54  		},
    55  	)
    56  
    57  	clientStream, err := transport.NewClientStream(stream)
    58  	require.NoError(t, err)
    59  
    60  	_, err = readFromStream(ctx, clientStream, func() proto.Message { return nil }, newCodec(nil /*AnyResolver*/))
    61  
    62  	assert.Equal(t, wantErr, err)
    63  }
    64  
    65  type readErr struct {
    66  	err error
    67  }
    68  
    69  func (r readErr) Read(p []byte) (n int, err error) {
    70  	return 0, r.err
    71  }
    72  
    73  func TestWriteToStreamInvalidEncoding(t *testing.T) {
    74  	mockCtrl := gomock.NewController(t)
    75  	defer mockCtrl.Finish()
    76  
    77  	ctx := context.Background()
    78  
    79  	stream := transporttest.NewMockStreamCloser(mockCtrl)
    80  	stream.EXPECT().Request().Return(
    81  		&transport.StreamRequest{
    82  			Meta: &transport.RequestMeta{
    83  				Encoding: transport.Encoding("raw"),
    84  			},
    85  		},
    86  	)
    87  
    88  	clientStream, err := transport.NewClientStream(stream)
    89  	require.NoError(t, err)
    90  
    91  	err = writeToStream(ctx, clientStream, nil, newCodec(nil /*AnyResolver*/))
    92  
    93  	assert.Equal(t, yarpcerrors.Newf(yarpcerrors.CodeInternal, "encoding.Expect should have handled encoding \"raw\" but did not"), err)
    94  }