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