mirror of https://github.com/grpc/grpc-go.git
145 lines
3.2 KiB
Go
145 lines
3.2 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 clusterimpl
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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"
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_ "google.golang.org/grpc/balancer/roundrobin"
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_ "google.golang.org/grpc/balancer/weightedtarget"
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internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
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)
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const (
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testJSONConfig = `{
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"cluster": "test_cluster",
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"edsServiceName": "test-eds",
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"lrsLoadReportingServerName": "lrs_server",
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"maxConcurrentRequests": 123,
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"dropCategories": [
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{
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"category": "drop-1",
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"requestsPerMillion": 314
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},
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{
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"category": "drop-2",
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"requestsPerMillion": 159
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}
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],
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"childPolicy": [
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{
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"weighted_target_experimental": {
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"targets": {
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"wt-child-1": {
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"weight": 75,
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"childPolicy":[{"round_robin":{}}]
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},
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"wt-child-2": {
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"weight": 25,
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"childPolicy":[{"round_robin":{}}]
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}
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}
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}
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}
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]
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}`
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wtName = "weighted_target_experimental"
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)
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var (
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wtConfigParser = balancer.Get(wtName).(balancer.ConfigParser)
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wtConfigJSON = `{
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"targets": {
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"wt-child-1": {
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"weight": 75,
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"childPolicy":[{"round_robin":{}}]
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},
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"wt-child-2": {
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"weight": 25,
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"childPolicy":[{"round_robin":{}}]
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}
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}
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}`
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wtConfig, _ = wtConfigParser.ParseConfig([]byte(wtConfigJSON))
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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: "empty json",
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js: "",
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want: nil,
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wantErr: true,
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},
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{
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name: "bad json",
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js: "{",
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want: nil,
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wantErr: true,
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},
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{
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name: "OK",
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js: testJSONConfig,
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want: &LBConfig{
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Cluster: "test_cluster",
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EDSServiceName: "test-eds",
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LoadReportingServerName: newString("lrs_server"),
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MaxConcurrentRequests: newUint32(123),
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DropCategories: []DropConfig{
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{Category: "drop-1", RequestsPerMillion: 314},
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{Category: "drop-2", RequestsPerMillion: 159},
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},
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ChildPolicy: &internalserviceconfig.BalancerConfig{
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Name: wtName,
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Config: wtConfig,
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},
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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.Fatalf("parseConfig() error = %v, wantErr %v", err, tt.wantErr)
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}
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if !cmp.Equal(got, tt.want) {
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t.Errorf("parseConfig() got unexpected result, diff: %v", cmp.Diff(got, tt.want))
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}
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})
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}
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}
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func newString(s string) *string {
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return &s
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}
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func newUint32(i uint32) *uint32 {
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return &i
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}
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