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tracing_test.go
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tracing_test.go
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package xo
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
"go.opentelemetry.io/otel/trace"
)
func TestStartSpan(t *testing.T) {
Test(func(tester *Tester) {
ctx, span := StartSpan(nil, "foo")
assert.NotNil(t, ctx)
assert.NotNil(t, span)
assert.Equal(t, span, GetSpan(ctx))
span.End()
assert.Equal(t, []VSpan{
{Name: "foo"},
}, tester.ReducedSpans(0))
})
}
func TestGetSpan(t *testing.T) {
Test(func(tester *Tester) {
span := GetSpan(nil)
assert.Nil(t, span)
span = GetSpan(context.Background())
assert.NotNil(t, span)
assert.EqualValues(t, trace.SpanFromContext(context.Background()), span)
ctx, root := StartSpan(nil, "root")
span = GetSpan(ctx)
assert.Equal(t, root, span)
ctx, sub := StartSpan(ctx, "sub")
span = GetSpan(ctx)
assert.Equal(t, sub, span)
assert.Equal(t, root.SpanContext().TraceID(), sub.SpanContext().TraceID())
sub.End()
root.End()
assert.Equal(t, []VSpan{
{Name: "sub"},
{Name: "root"},
}, tester.ReducedSpans(0))
})
}