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package opentracing
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestChildOfAndFollowsFrom(t *testing.T) {
tests := []struct {
newOpt func(SpanContext) SpanReference
refType SpanReferenceType
name string
}{
{ChildOf, ChildOfRef, "ChildOf"},
{FollowsFrom, FollowsFromRef, "FollowsFrom"},
}
for _, test := range tests {
opts := new(StartSpanOptions)
test.newOpt(nil).Apply(opts)
require.Nil(t, opts.References, "%s(nil) must not append a reference", test.name)
ctx := new(noopSpanContext)
test.newOpt(ctx).Apply(opts)
require.Equal(t, []SpanReference{
SpanReference{ReferencedContext: ctx, Type: test.refType},
}, opts.References, "%s(ctx) must append a reference", test.name)
}
}