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https://github.com/open-telemetry/opentelemetry-go.git
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3d6e8b5078
* Move global code to toplevel package * Move version function to toplevel package * Update changelog Co-authored-by: Tyler Yahn <MrAlias@users.noreply.github.com>
116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
// Copyright The 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 global
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import (
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"context"
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"errors"
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"testing"
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"github.com/stretchr/testify/require"
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"go.opentelemetry.io/otel/metric"
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"go.opentelemetry.io/otel/metric/registry"
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)
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type (
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newFunc func(name, libraryName string) (metric.InstrumentImpl, error)
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)
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var (
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allNew = map[string]newFunc{
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"counter.int64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewInt64Counter(name))
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},
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"counter.float64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewFloat64Counter(name))
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},
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"valuerecorder.int64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewInt64ValueRecorder(name))
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},
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"valuerecorder.float64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewFloat64ValueRecorder(name))
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},
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"valueobserver.int64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewInt64ValueObserver(name, func(context.Context, metric.Int64ObserverResult) {}))
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},
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"valueobserver.float64": func(name, libraryName string) (metric.InstrumentImpl, error) {
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return unwrap(MeterProvider().Meter(libraryName).NewFloat64ValueObserver(name, func(context.Context, metric.Float64ObserverResult) {}))
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},
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}
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)
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func unwrap(impl interface{}, err error) (metric.InstrumentImpl, error) {
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if impl == nil {
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return nil, err
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}
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if s, ok := impl.(interface {
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SyncImpl() metric.SyncImpl
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}); ok {
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return s.SyncImpl(), err
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}
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if a, ok := impl.(interface {
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AsyncImpl() metric.AsyncImpl
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}); ok {
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return a.AsyncImpl(), err
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}
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return nil, err
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}
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func TestRegistrySameInstruments(t *testing.T) {
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for _, nf := range allNew {
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ResetForTest()
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inst1, err1 := nf("this", "meter")
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inst2, err2 := nf("this", "meter")
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require.NoError(t, err1)
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require.NoError(t, err2)
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require.Equal(t, inst1, inst2)
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}
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}
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func TestRegistryDifferentNamespace(t *testing.T) {
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for _, nf := range allNew {
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ResetForTest()
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inst1, err1 := nf("this", "meter1")
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inst2, err2 := nf("this", "meter2")
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require.NoError(t, err1)
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require.NoError(t, err2)
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require.NotEqual(t, inst1, inst2)
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}
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}
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func TestRegistryDiffInstruments(t *testing.T) {
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for origName, origf := range allNew {
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ResetForTest()
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_, err := origf("this", "super")
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require.NoError(t, err)
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for newName, nf := range allNew {
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if newName == origName {
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continue
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}
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other, err := nf("this", "super")
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require.Error(t, err)
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require.NotNil(t, other)
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require.True(t, errors.Is(err, registry.ErrMetricKindMismatch))
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require.Contains(t, err.Error(), "super")
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}
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}
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}
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