| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| |
| /* |
| * |
| * Copyright 2021 gRPC authors. |
| * |
| */ |
| |
| package ringhash |
| |
| import ( |
| "testing" |
| ) |
| |
| import ( |
| "github.com/google/go-cmp/cmp" |
| ) |
| |
| func TestParseConfig(t *testing.T) { |
| tests := []struct { |
| name string |
| js string |
| want *LBConfig |
| wantErr bool |
| }{ |
| { |
| name: "OK", |
| js: `{"minRingSize": 1, "maxRingSize": 2}`, |
| want: &LBConfig{MinRingSize: 1, MaxRingSize: 2}, |
| }, |
| { |
| name: "OK with default min", |
| js: `{"maxRingSize": 2000}`, |
| want: &LBConfig{MinRingSize: defaultMinSize, MaxRingSize: 2000}, |
| }, |
| { |
| name: "OK with default max", |
| js: `{"minRingSize": 2000}`, |
| want: &LBConfig{MinRingSize: 2000, MaxRingSize: defaultMaxSize}, |
| }, |
| { |
| name: "min greater than max", |
| js: `{"minRingSize": 10, "maxRingSize": 2}`, |
| want: nil, |
| wantErr: true, |
| }, |
| } |
| for _, tt := range tests { |
| t.Run(tt.name, func(t *testing.T) { |
| got, err := parseConfig([]byte(tt.js)) |
| if (err != nil) != tt.wantErr { |
| t.Errorf("parseConfig() error = %v, wantErr %v", err, tt.wantErr) |
| return |
| } |
| if diff := cmp.Diff(got, tt.want); diff != "" { |
| t.Errorf("parseConfig() got unexpected output, diff (-got +want): %v", diff) |
| } |
| }) |
| } |
| } |