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opentelemetry-go/sdk/trace/simple_span_processor_test.go

86 lines
2.4 KiB
Go

// Copyright 2019, OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package trace_test
import (
"context"
"testing"
"go.opentelemetry.io/otel/api/core"
apitrace "go.opentelemetry.io/otel/api/trace"
export "go.opentelemetry.io/otel/sdk/export/trace"
sdktrace "go.opentelemetry.io/otel/sdk/trace"
)
type testExporter struct {
spans []*export.SpanData
}
func (t *testExporter) ExportSpan(ctx context.Context, s *export.SpanData) {
t.spans = append(t.spans, s)
}
var _ export.SpanSyncer = (*testExporter)(nil)
func TestNewSimpleSpanProcessor(t *testing.T) {
ssp := sdktrace.NewSimpleSpanProcessor(&testExporter{})
if ssp == nil {
t.Errorf("Error creating new instance of SimpleSpanProcessor\n")
}
}
func TestNewSimpleSpanProcessorWithNilExporter(t *testing.T) {
ssp := sdktrace.NewSimpleSpanProcessor(nil)
if ssp == nil {
t.Errorf("Error creating new instance of SimpleSpanProcessor with nil Exporter\n")
}
}
func TestSimpleSpanProcessorOnEnd(t *testing.T) {
tp := basicProvider(t)
te := testExporter{}
ssp := sdktrace.NewSimpleSpanProcessor(&te)
if ssp == nil {
t.Errorf("Error creating new instance of SimpleSpanProcessor with nil Exporter\n")
}
tp.RegisterSpanProcessor(ssp)
tr := tp.GetTracer("SimpleSpanProcessor")
tid, _ := core.TraceIDFromHex("01020304050607080102040810203040")
sid, _ := core.SpanIDFromHex("0102040810203040")
sc := core.SpanContext{
TraceID: tid,
SpanID: sid,
TraceFlags: 0x1,
}
_, span := tr.Start(context.Background(), "OnEnd", apitrace.ChildOf(sc))
span.End()
wantTraceID := tid
gotTraceID := te.spans[0].SpanContext.TraceID
if wantTraceID != gotTraceID {
t.Errorf("SimplerSpanProcessor OnEnd() check: got %+v, want %+v\n", gotTraceID, wantTraceID)
}
}
func TestSimpleSpanProcessorShutdown(t *testing.T) {
ssp := sdktrace.NewSimpleSpanProcessor(&testExporter{})
if ssp == nil {
t.Errorf("Error creating new instance of SimpleSpanProcessor\n")
}
ssp.Shutdown()
}