mirror of
https://github.com/gitpod-io/gitpod.git
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58c9a1808a
* [go components] Fixed "go test ./..." in various components Tool: gitpod/catfood.gitpod.cloud * [go components] Update k8s 0.29.3 -> 0.30.9 API - update the go-update-wc-deps.sh script to handle the brunt of that transition - fixes Maintenance- + Subscriber-Controller - document steps Tool: gitpod/catfood.gitpod.cloud * [ws-manager-mk2] Decide how to apply appamor config based on serverversion to support k8s 1.30+ Tool: gitpod/catfood.gitpod.cloud * [gpctl] Missing go mod tidy Tool: gitpod/catfood.gitpod.cloud * Replace vulnerable outcaste-io/badger/v3 with original dgraph-io/badger/v3 Tool: gitpod/catfood.gitpod.cloud * more go mod tidy Tool: gitpod/catfood.gitpod.cloud * [image-builder-bob, installer] Select the correct version of containerd.... Tool: gitpod/catfood.gitpod.cloud --------- Co-authored-by: Gero Posmyk-Leinemann <gero@gitpod.io>
98 lines
2.5 KiB
Go
98 lines
2.5 KiB
Go
// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package metrics
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import (
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"testing"
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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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dto "github.com/prometheus/client_model/go"
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)
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func TestAggregatedHistograms(t *testing.T) {
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labelName := "grpc_method"
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lowBound := .005
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midBound := .01
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highBound := .025
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agg := NewAggregatedHistograms(
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"grpc_server_handling_seconds",
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"help",
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[]string{labelName},
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[]float64{lowBound, midBound, highBound},
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)
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labelValue := "foo"
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var count uint64 = 1
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sum := 0.004
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var lowCount uint64 = 1
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var midCount uint64 = 1
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var highCount uint64 = 1
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assertDiff := func() string {
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var actual []*dto.Metric
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for _, m := range agg.collect() {
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dto := &dto.Metric{}
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err := m.Write(dto)
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if err != nil {
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t.Fatal(err)
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}
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actual = append(actual, dto)
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}
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return cmp.Diff([]*dto.Metric{{
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Label: []*dto.LabelPair{{
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Name: &labelName,
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Value: &labelValue,
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}},
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Histogram: &dto.Histogram{
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SampleCount: &count,
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SampleSum: &sum,
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Bucket: []*dto.Bucket{
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{CumulativeCount: &lowCount, UpperBound: &lowBound},
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{CumulativeCount: &midCount, UpperBound: &midBound},
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{CumulativeCount: &highCount, UpperBound: &highBound},
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},
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},
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}}, actual, cmpopts.IgnoreUnexported(dto.Metric{}, dto.LabelPair{}, dto.Histogram{}, dto.Bucket{}))
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}
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_ = agg.Add([]string{"foo"}, 1, 0.004, []uint64{1, 1, 1})
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if diff := assertDiff(); diff != "" {
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t.Errorf("unexpected output (-want +got):\n%s", diff)
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}
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// invalid buckets
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_ = agg.Add([]string{"foo"}, 1, 0.004, []uint64{})
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if diff := assertDiff(); diff != "" {
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t.Errorf("unexpected output (-want +got):\n%s", diff)
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}
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// invalid labels
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_ = agg.Add([]string{"foo", "bar"}, 1, 0.004, []uint64{1, 1, 1})
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if diff := assertDiff(); diff != "" {
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t.Errorf("unexpected output (-want +got):\n%s", diff)
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}
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count = count + 5
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sum = sum + 0.015
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lowCount = lowCount + 5
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midCount = midCount + 5
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highCount = highCount + 5
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_ = agg.Add([]string{"foo"}, 5, 0.015, []uint64{5, 5, 5})
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if diff := assertDiff(); diff != "" {
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t.Errorf("unexpected output (-want +got):\n%s", diff)
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}
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count = count + 20
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sum = sum + 0.4700000000000003
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lowCount = lowCount + 5
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midCount = midCount + 10
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highCount = highCount + 15
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_ = agg.Add([]string{"foo"}, 20, 0.4700000000000003, []uint64{5, 10, 15})
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if diff := assertDiff(); diff != "" {
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t.Errorf("unexpected output (-want +got):\n%s", diff)
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}
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}
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