add history trace command

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

util/otelutil/jaeger_test.go

@@ -0,0 +1,27 @@
+package otelutil
+
+import (
+	"bytes"
+	"encoding/json"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+const jaegerFixture = "./fixtures/jaeger.json"
+
+func TestJaegerData(t *testing.T) {
+	dt, err := os.ReadFile(bktracesFixture)
+	require.NoError(t, err)
+
+	spanStubs, err := ParseSpanStubs(bytes.NewReader(dt))
+	require.NoError(t, err)
+
+	trace := spanStubs.JaegerData()
+	dtJaegerTrace, err := json.MarshalIndent(trace, "", "  ")
+	require.NoError(t, err)
+	dtJaeger, err := os.ReadFile(jaegerFixture)
+	require.NoError(t, err)
+	require.Equal(t, string(dtJaeger), string(dtJaegerTrace))
+}