mirror of https://github.com/grpc/grpc-go.git
64 lines
1.6 KiB
Go
64 lines
1.6 KiB
Go
/*
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*
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* Copyright 2019 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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package internal
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import (
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"reflect"
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"strings"
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"testing"
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"unicode"
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"github.com/google/go-cmp/cmp"
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basepb "google.golang.org/grpc/balancer/xds/internal/proto/envoy/api/v2/core/base"
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)
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const ignorePrefix = "XXX_"
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func ignore(name string) bool {
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if !unicode.IsUpper([]rune(name)[0]) {
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return true
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}
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return strings.HasPrefix(name, ignorePrefix)
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}
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// A reflection based test to make sure internal.Locality contains all the
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// fields (expect for XXX_) from the proto message.
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func TestLocalityMatchProtoMessage(t *testing.T) {
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want1 := make(map[string]string)
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for ty, i := reflect.TypeOf(Locality{}), 0; i < ty.NumField(); i++ {
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f := ty.Field(i)
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if ignore(f.Name) {
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continue
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}
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want1[f.Name] = f.Type.Name()
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}
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want2 := make(map[string]string)
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for ty, i := reflect.TypeOf(basepb.Locality{}), 0; i < ty.NumField(); i++ {
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f := ty.Field(i)
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if ignore(f.Name) {
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continue
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}
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want2[f.Name] = f.Type.Name()
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}
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if !reflect.DeepEqual(want1, want2) {
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t.Fatalf("internal type and proto message have different fields:\n%+v", cmp.Diff(want1, want2))
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}
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}
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