| /* |
| * 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. |
| */ |
| |
| package util |
| |
| import ( |
| "encoding/json" |
| "math" |
| "testing" |
| ) |
| |
| // JSONFloatWrapper is struct which contain JSONFloat |
| type JSONFloatWrapper struct { |
| Value1 JSONFloat `json:"value1"` |
| Value2 JSONFloat `json:"value2"` |
| } |
| |
| func TestParseJsonFloat(t *testing.T) { |
| wrapper := JSONFloatWrapper{Value1: JSONFloat(math.NaN()), Value2: 9.99} |
| bytes, err := json.Marshal(wrapper) |
| if err != nil { |
| t.Fatal("Marshal JsonFloat failed, caused by ", err.Error()) |
| } |
| parsed := &JSONFloatWrapper{} |
| if err := json.Unmarshal(bytes, parsed); err != nil { |
| t.Fatal("Unmarshal JsonFloat failed, caused by ", err.Error()) |
| } else if !math.IsNaN(float64(parsed.Value1)) { |
| t.Fatal("Value1 should be Nan") |
| } else if math.Abs(float64(parsed.Value2)-9.99) > 1e-9 { |
| t.Fatal("Value1 should be 9.99") |
| } |
| } |
| |
| func TestGetLastAppNum(t *testing.T) { |
| jsonString := ` |
| { |
| "metrics": [{ |
| "name": "app_num_with_node", |
| "labelNames": ["tags"], |
| "labelValues": ["ss_v5,GRPC"], |
| "value": 10.0, |
| "timestampMs": null |
| }, { |
| "name": "total_remove_resource_time", |
| "labelNames": ["quantile"], |
| "labelValues": ["0.5"], |
| "value": "NaN", |
| "timestampMs": null |
| }], |
| "timeStamp": 1712575271639 |
| } |
| ` |
| if num, err := getLastAppNum([]byte(jsonString)); err != nil { |
| t.Fatal("getLastAppNum failed, casued by ", err.Error()) |
| } else if num != 10 { |
| t.Fatal("Get wrong app number: ", num) |
| } |
| } |