| /* |
| * 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 metric |
| |
| import ( |
| dto "github.com/prometheus/client_model/go" |
| "testing" |
| ) |
| |
| func TestCommonCalculator_Calc(t *testing.T) { |
| c := &CommonCalculator{} |
| |
| mf := &dto.MetricFamily{} |
| mt := dto.MetricType_UNTYPED |
| v1 := float64(0) |
| v2 := float64(0) |
| n := uint64(0) |
| |
| if c.Calc(mf) != nil { |
| t.Fatalf("TestCommonCalculator_Calc failed") |
| } |
| |
| mf = &dto.MetricFamily{Type: &mt, Metric: []*dto.Metric{{}}} |
| if c.Calc(mf) == nil { |
| t.Fatalf("TestCommonCalculator_Calc failed") |
| } |
| |
| mt = dto.MetricType_GAUGE |
| v1 = 1 |
| v2 = 2 |
| mf = &dto.MetricFamily{Type: &mt, Metric: []*dto.Metric{ |
| {Gauge: &dto.Gauge{Value: &v1}}, {Gauge: &dto.Gauge{Value: &v2}}}} |
| details := c.Calc(mf) |
| if details.Summary != 3 { |
| t.Fatalf("TestCommonCalculator_Calc failed") |
| } |
| |
| mt = dto.MetricType_COUNTER |
| v1 = 1 |
| mf = &dto.MetricFamily{Type: &mt, Metric: []*dto.Metric{ |
| {Counter: &dto.Counter{Value: &v1}}, {Counter: &dto.Counter{Value: &v1}}}} |
| details = c.Calc(mf) |
| if details.Summary != 2 { |
| t.Fatalf("TestCommonCalculator_Calc failed") |
| } |
| |
| mt = dto.MetricType_SUMMARY |
| v1 = 3 |
| n = 2 |
| mf = &dto.MetricFamily{Type: &mt, Metric: []*dto.Metric{ |
| {Summary: &dto.Summary{SampleCount: &n, SampleSum: &v1}}, {Summary: &dto.Summary{SampleCount: &n, SampleSum: &v1}}}} |
| details = c.Calc(mf) |
| if details.Summary != v1/float64(n) { |
| t.Fatalf("TestCommonCalculator_Calc failed") |
| } |
| } |