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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>
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 otel
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import (
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"testing"
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"go.opentelemetry.io/otel/internal/trace/noop"
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"go.opentelemetry.io/otel/trace"
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)
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type testTracerProvider struct{}
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var _ trace.TracerProvider = &testTracerProvider{}
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func (*testTracerProvider) Tracer(_ string, _ ...trace.TracerOption) trace.Tracer {
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return noop.Tracer
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}
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func TestMultipleGlobalTracerProvider(t *testing.T) {
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p1 := testTracerProvider{}
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p2 := trace.NewNoopTracerProvider()
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SetTracerProvider(&p1)
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SetTracerProvider(p2)
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got := GetTracerProvider()
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want := p2
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if got != want {
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t.Fatalf("TracerProvider: got %p, want %p\n", got, want)
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}
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}
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