mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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3d78564d2f
* Prom exporter structure * update prometheus exporter with master and add example. * remove distributedcontext from prometheus example * docs and interface checker * make precommit * make precommit & remove "OnRegisterError" * coerce values to float * return register errors and maybe fix precommit? * add option to specify a prometheus.Registry * make exporter implement http.Handler interface * fix map keys bugs * remove unused const * fix modules dependencies. * add support for histogram * get metrics with labels values only instead of a labels map * make exporter implements label encoder interface * encode labels if the encoder is different. * split metrics on several files and encapsulate them in structs * make pre commit * unexport 'sanitize' * remove 'AllValues' in favor of 'Points' and change to 'NewDefaultLabelEncoder' * add prometheus tests * remove newlines on struct declaration * formatting * rewording * imports * add todo on labelValues * blame myself for todo (: * add todos on sanitize * add support for summaries. custom remove label encoder. * imports * imports * update with upstream
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2019, OpenTelemetry 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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package prometheus
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import (
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"testing"
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)
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func TestSanitize(t *testing.T) {
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tests := []struct {
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name string
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input string
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want string
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}{
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{
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name: "replace character",
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input: "test/key-1",
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want: "test_key_1",
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},
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{
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name: "add prefix if starting with digit",
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input: "0123456789",
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want: "key_0123456789",
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},
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{
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name: "add prefix if starting with _",
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input: "_0123456789",
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want: "key_0123456789",
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},
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{
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name: "starts with _ after sanitization",
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input: "/0123456789",
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want: "key_0123456789",
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},
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{
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name: "valid input",
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input: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
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want: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_0123456789",
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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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if got, want := sanitize(tt.input), tt.want; got != want {
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t.Errorf("sanitize() = %q; want %q", got, want)
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}
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})
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}
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}
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