mirror of
https://github.com/Luzifer/nginx-sso.git
synced 2024-12-30 01:31:18 +00:00
129 lines
3.6 KiB
Go
129 lines
3.6 KiB
Go
// Copyright 2018, OpenCensus 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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package view
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import (
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"reflect"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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"go.opencensus.io/metric/metricdata"
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)
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func TestDataClone(t *testing.T) {
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dist := newDistributionData([]float64{1, 2, 3, 4})
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dist.Count = 7
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dist.Max = 11
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dist.Min = 1
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dist.CountPerBucket = []int64{0, 2, 3, 2}
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dist.Mean = 4
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dist.SumOfSquaredDev = 1.2
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tests := []struct {
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name string
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src AggregationData
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}{
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{
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name: "count data",
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src: &CountData{Value: 5},
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},
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{
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name: "distribution data",
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src: dist,
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},
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{
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name: "sum data",
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src: &SumData{Value: 65.7},
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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 := tt.src.clone()
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if !reflect.DeepEqual(got, tt.src) {
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t.Errorf("AggregationData.clone() = %v, want %v", got, tt.src)
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}
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// TODO(jbd): Make sure that data is deep copied.
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if got == tt.src {
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t.Errorf("AggregationData.clone() returned the same pointer")
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}
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})
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}
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}
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func TestDistributionData_addSample(t *testing.T) {
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dd := newDistributionData([]float64{1, 2})
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attachments1 := map[string]interface{}{"key1": "value1"}
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t1 := time.Now()
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dd.addSample(0.5, attachments1, t1)
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e1 := &metricdata.Exemplar{Value: 0.5, Timestamp: t1, Attachments: attachments1}
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want := &DistributionData{
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Count: 1,
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CountPerBucket: []int64{1, 0, 0},
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ExemplarsPerBucket: []*metricdata.Exemplar{e1, nil, nil},
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Max: 0.5,
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Min: 0.5,
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Mean: 0.5,
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SumOfSquaredDev: 0,
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}
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if diff := cmpDD(dd, want); diff != "" {
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t.Fatalf("Unexpected DistributionData -got +want: %s", diff)
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}
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attachments2 := map[string]interface{}{"key2": "value2"}
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t2 := t1.Add(time.Microsecond)
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dd.addSample(0.7, attachments2, t2)
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// Previous exemplar should be overwritten.
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e2 := &metricdata.Exemplar{Value: 0.7, Timestamp: t2, Attachments: attachments2}
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want = &DistributionData{
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Count: 2,
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CountPerBucket: []int64{2, 0, 0},
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ExemplarsPerBucket: []*metricdata.Exemplar{e2, nil, nil},
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Max: 0.7,
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Min: 0.5,
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Mean: 0.6,
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SumOfSquaredDev: 0,
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}
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if diff := cmpDD(dd, want); diff != "" {
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t.Fatalf("Unexpected DistributionData -got +want: %s", diff)
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}
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attachments3 := map[string]interface{}{"key3": "value3"}
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t3 := t2.Add(time.Microsecond)
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dd.addSample(1.2, attachments3, t3)
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// e3 is at another bucket. e2 should still be there.
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e3 := &metricdata.Exemplar{Value: 1.2, Timestamp: t3, Attachments: attachments3}
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want = &DistributionData{
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Count: 3,
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CountPerBucket: []int64{2, 1, 0},
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ExemplarsPerBucket: []*metricdata.Exemplar{e2, e3, nil},
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Max: 1.2,
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Min: 0.5,
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Mean: 0.7999999999999999,
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SumOfSquaredDev: 0,
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}
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if diff := cmpDD(dd, want); diff != "" {
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t.Fatalf("Unexpected DistributionData -got +want: %s", diff)
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}
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}
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func cmpDD(got, want *DistributionData) string {
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return cmp.Diff(got, want, cmpopts.IgnoreFields(DistributionData{}, "SumOfSquaredDev"), cmpopts.IgnoreUnexported(DistributionData{}))
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}
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