mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-12 10:04:29 +02:00
288a3dd435
* Support instrumentation library in metrics * Update stdout exporter to display instrumentation info * Fix tests that use the STDOUT exporter * Refactor to keep SDK out of API * Update global Meter and test Meter version * Revert unneeded import syntax change * Fix Unit comment * Update comments * Update comment * Revert no-op change to import
44 lines
1.2 KiB
Go
44 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 global_test
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import (
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"testing"
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"go.opentelemetry.io/otel/api/global"
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"go.opentelemetry.io/otel/api/metric"
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)
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type testMeterProvider struct{}
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var _ metric.Provider = &testMeterProvider{}
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func (*testMeterProvider) Meter(_ string, _ ...metric.MeterOption) metric.Meter {
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return metric.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 := metric.NoopProvider{}
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global.SetMeterProvider(&p1)
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global.SetMeterProvider(&p2)
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got := global.MeterProvider()
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want := &p2
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if got != want {
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t.Fatalf("Provider: got %p, want %p\n", got, want)
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}
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}
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