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33 lines
759 B
Go
33 lines
759 B
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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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/embedded"
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"go.opentelemetry.io/otel/metric/noop"
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)
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type testMeterProvider struct{ embedded.MeterProvider }
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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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