mirror of https://github.com/grpc/grpc-go.git
109 lines
2.6 KiB
Go
109 lines
2.6 KiB
Go
/*
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*
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* Copyright 2020 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 priority
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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/balancer/roundrobin"
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internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
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)
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func TestParseConfig(t *testing.T) {
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tests := []struct {
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name string
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js string
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want *LBConfig
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wantErr bool
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}{
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{
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name: "child not found",
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js: `{
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"priorities": ["child-1", "child-2", "child-3"],
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"children": {
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"child-1": {"config": [{"round_robin":{}}]},
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"child-3": {"config": [{"round_robin":{}}]}
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}
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}
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`,
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wantErr: true,
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},
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{
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name: "child not used",
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js: `{
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"priorities": ["child-1", "child-2"],
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"children": {
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"child-1": {"config": [{"round_robin":{}}]},
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"child-2": {"config": [{"round_robin":{}}]},
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"child-3": {"config": [{"round_robin":{}}]}
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}
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}
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`,
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wantErr: true,
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},
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{
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name: "good",
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js: `{
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"priorities": ["child-1", "child-2", "child-3"],
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"children": {
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"child-1": {"config": [{"round_robin":{}}], "ignoreReresolutionRequests": true},
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"child-2": {"config": [{"round_robin":{}}]},
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"child-3": {"config": [{"round_robin":{}}]}
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}
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}
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`,
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want: &LBConfig{
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Children: map[string]*Child{
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"child-1": {
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Config: &internalserviceconfig.BalancerConfig{
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Name: roundrobin.Name,
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},
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IgnoreReresolutionRequests: true,
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},
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"child-2": {
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Config: &internalserviceconfig.BalancerConfig{
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Name: roundrobin.Name,
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},
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},
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"child-3": {
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Config: &internalserviceconfig.BalancerConfig{
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Name: roundrobin.Name,
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},
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},
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},
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Priorities: []string{"child-1", "child-2", "child-3"},
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},
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wantErr: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got, err := parseConfig([]byte(tt.js))
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if (err != nil) != tt.wantErr {
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t.Errorf("parseConfig() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if diff := cmp.Diff(got, tt.want); diff != "" {
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t.Errorf("parseConfig() got = %v, want %v, diff: %s", got, tt.want, diff)
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}
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})
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}
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}
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