mirror of
https://github.com/open-telemetry/opentelemetry-go.git
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3c75a44f84
* Move metric No-Op to noop pkg * Remove the unneeded embedded ifaces * Update CHANGELOG.md Co-authored-by: Peter Liu <lpfvip2008@gmail.com> --------- Co-authored-by: Peter Liu <lpfvip2008@gmail.com> Co-authored-by: Aaron Clawson <3766680+MadVikingGod@users.noreply.github.com>
43 lines
1.2 KiB
Go
43 lines
1.2 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 otel // import "go.opentelemetry.io/otel"
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"go.opentelemetry.io/otel/metric"
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"go.opentelemetry.io/otel/metric/noop"
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)
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type testMeterProvider struct{}
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var _ metric.MeterProvider = &testMeterProvider{}
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func (*testMeterProvider) Meter(_ string, _ ...metric.MeterOption) metric.Meter {
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return noop.NewMeterProvider().Meter("")
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}
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func TestMultipleGlobalMeterProvider(t *testing.T) {
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p1 := testMeterProvider{}
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p2 := noop.NewMeterProvider()
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SetMeterProvider(&p1)
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SetMeterProvider(p2)
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got := GetMeterProvider()
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assert.Equal(t, p2, got)
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}
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