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

     1  // Copyright (c) 2022 Uber Technologies, Inc.
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     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
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     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_test
    22  
    23  import (
    24  	"bytes"
    25  	"context"
    26  	"errors"
    27  	"testing"
    28  
    29  	"github.com/gogo/protobuf/jsonpb"
    30  	"github.com/gogo/protobuf/proto"
    31  	"github.com/gogo/protobuf/types"
    32  	"github.com/stretchr/testify/assert"
    33  	"github.com/stretchr/testify/require"
    34  	"go.uber.org/yarpc/api/transport"
    35  	"go.uber.org/yarpc/api/transport/transporttest"
    36  	"go.uber.org/yarpc/encoding/protobuf"
    37  	"go.uber.org/yarpc/encoding/protobuf/internal/testpb"
    38  )
    39  
    40  var _ jsonpb.AnyResolver = (*testResolver)(nil)
    41  
    42  type testResolver struct {
    43  	NewMessage func() proto.Message
    44  }
    45  
    46  func (t *testResolver) Resolve(url string) (proto.Message, error) {
    47  	if t.NewMessage == nil {
    48  		return nil, errors.New("test resolver is not initialized")
    49  	}
    50  	return t.NewMessage(), nil
    51  }
    52  
    53  func TestInboundAnyResolver(t *testing.T) {
    54  	newReq := func() proto.Message { return &testpb.TestMessage{} }
    55  	customResolver := &testResolver{NewMessage: newReq}
    56  
    57  	tests := []struct {
    58  		name     string
    59  		anyURL   string
    60  		resolver jsonpb.AnyResolver
    61  		wantErr  bool
    62  	}{
    63  		{
    64  			name:   "nothing custom",
    65  			anyURL: "uber.yarpc.encoding.protobuf.TestMessage",
    66  		},
    67  		{
    68  			name:     "custom resolver",
    69  			anyURL:   "uber.yarpc.encoding.protobuf.TestMessage",
    70  			resolver: customResolver,
    71  		},
    72  		{
    73  			name:     "custom resolver, custom URL",
    74  			anyURL:   "foo.bar.baz",
    75  			resolver: customResolver,
    76  		},
    77  		{
    78  			name:    "custom URL, no resolver",
    79  			anyURL:  "foo.bar.baz",
    80  			wantErr: true,
    81  		},
    82  	}
    83  
    84  	for _, tt := range tests {
    85  		t.Run(tt.name, func(t *testing.T) {
    86  			handler := protobuf.NewUnaryHandler(protobuf.UnaryHandlerParams{
    87  				Handle: func(context.Context, proto.Message) (proto.Message, error) {
    88  					testMessage := &testpb.TestMessage{Value: "foo-bar-baz"}
    89  
    90  					any, err := types.MarshalAny(testMessage)
    91  					assert.NoError(t, err)
    92  					any.TypeUrl = tt.anyURL // update to custom URL
    93  					return any, nil
    94  				},
    95  				NewRequest:  newReq,
    96  				AnyResolver: tt.resolver,
    97  			})
    98  
    99  			req := &transport.Request{
   100  				Encoding: protobuf.JSONEncoding,
   101  				Body:     bytes.NewReader(nil),
   102  			}
   103  
   104  			var resw transporttest.FakeResponseWriter
   105  			err := handler.Handle(context.Background(), req, &resw)
   106  
   107  			if tt.wantErr {
   108  				require.Error(t, err)
   109  			} else {
   110  				require.NoError(t, err)
   111  			}
   112  		})
   113  	}
   114  }