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7d71867644
* Rename *Provider names There is overlap in naming with MeterProviders and TracerProviders. This is means the specification is not implemented and these types can not exist in the same package (#1179). This makes each type and related functions and types explicit. * Add changes to CHANGELOG
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.MeterProvider = &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.NoopMeterProvider{}
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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("MeterProvider: got %p, want %p\n", got, want)
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}
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}
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