| /* |
| * |
| * Copyright 2023 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 encoding |
| |
| import ( |
| "testing" |
| |
| "github.com/google/go-cmp/cmp" |
| "google.golang.org/grpc/internal/grpcutil" |
| ) |
| |
| type mockNamedCompressor struct { |
| Compressor |
| } |
| |
| func (mockNamedCompressor) Name() string { |
| return "mock-compressor" |
| } |
| |
| func TestDuplicateCompressorRegister(t *testing.T) { |
| defer func(m map[string]Compressor) { registeredCompressor = m }(registeredCompressor) |
| defer func(c []string) { grpcutil.RegisteredCompressorNames = c }(grpcutil.RegisteredCompressorNames) |
| registeredCompressor = map[string]Compressor{} |
| grpcutil.RegisteredCompressorNames = []string{} |
| |
| RegisterCompressor(&mockNamedCompressor{}) |
| |
| // Register another instance of the same compressor. |
| mc := &mockNamedCompressor{} |
| RegisterCompressor(mc) |
| if got := registeredCompressor["mock-compressor"]; got != mc { |
| t.Fatalf("Unexpected compressor, got: %+v, want:%+v", got, mc) |
| } |
| |
| wantNames := []string{"mock-compressor"} |
| if !cmp.Equal(wantNames, grpcutil.RegisteredCompressorNames) { |
| t.Fatalf("Unexpected compressor names, got: %+v, want:%+v", grpcutil.RegisteredCompressorNames, wantNames) |
| } |
| } |