mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-28 21:09:17 +02:00
81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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package trace
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import (
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"context"
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"testing"
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)
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func TestNewNoopTracerProvider(t *testing.T) {
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got, want := NewNoopTracerProvider(), noopTracerProvider{}
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if got != want {
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t.Errorf("NewNoopTracerProvider() returned %#v, want %#v", got, want)
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}
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}
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func TestNoopTracerProviderTracer(t *testing.T) {
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tp := NewNoopTracerProvider()
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got, want := tp.Tracer(""), noopTracer{}
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if got != want {
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t.Errorf("noopTracerProvider.Tracer() returned %#v, want %#v", got, want)
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}
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}
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func TestNoopTracerStart(t *testing.T) {
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ctx := context.Background()
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tracer := NewNoopTracerProvider().Tracer("test instrumentation")
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var span Span
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ctx, span = tracer.Start(ctx, "span name")
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got, ok := span.(noopSpan)
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if !ok {
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t.Fatalf("noopTracer.Start() returned a non-noopSpan: %#v", span)
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}
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want := noopSpan{}
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if got != want {
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t.Errorf("noopTracer.Start() returned %#v, want %#v", got, want)
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}
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got, ok = SpanFromContext(ctx).(noopSpan)
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if !ok {
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t.Fatal("noopTracer.Start() did not set span as current in returned context")
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}
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if got != want {
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t.Errorf("noopTracer.Start() current span in returned context set to %#v, want %#v", got, want)
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}
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}
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func TestNoopSpan(t *testing.T) {
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tracer := NewNoopTracerProvider().Tracer("test instrumentation")
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_, s := tracer.Start(context.Background(), "test span")
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span := s.(noopSpan)
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if got, want := span.SpanContext(), (SpanContext{}); !assertSpanContextEqual(got, want) {
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t.Errorf("span.SpanContext() returned %#v, want %#v", got, want)
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}
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if got, want := span.IsRecording(), false; got != want {
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t.Errorf("span.IsRecording() returned %#v, want %#v", got, want)
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}
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}
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func TestNonRecordingSpanTracerStart(t *testing.T) {
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tid, err := TraceIDFromHex("01000000000000000000000000000000")
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if err != nil {
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t.Fatalf("failure creating TraceID: %s", err.Error())
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}
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sid, err := SpanIDFromHex("0200000000000000")
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if err != nil {
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t.Fatalf("failure creating SpanID: %s", err.Error())
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}
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sc := NewSpanContext(SpanContextConfig{TraceID: tid, SpanID: sid})
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ctx := ContextWithSpanContext(context.Background(), sc)
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_, span := NewNoopTracerProvider().Tracer("test instrumentation").Start(ctx, "span1")
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if got, want := span.SpanContext(), sc; !assertSpanContextEqual(got, want) {
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t.Errorf("SpanContext not carried by nonRecordingSpan. got %#v, want %#v", got, want)
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}
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}
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