Add unit test

exporter/elasticsearchexporter/model_test.go

@@ -8,9 +8,13 @@ import (
 	"time"
 
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
 	"go.opentelemetry.io/collector/pdata/pcommon"
 	"go.opentelemetry.io/collector/pdata/ptrace"
 	semconv "go.opentelemetry.io/collector/semconv/v1.18.0"
+
+	"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/elasticsearchexporter/internal/objmodel"
 )
 
 var expectedSpanBody = `{"@timestamp":"2023-04-19T03:04:05.000000006Z","Attributes.service.instance.id":"23","Duration":1000000,"EndTimestamp":"2023-04-19T03:04:06.000000006Z","Events.fooEvent.evnetMockBar":"bar","Events.fooEvent.evnetMockFoo":"foo","Events.fooEvent.time":"2023-04-19T03:04:05.000000006Z","Kind":"SPAN_KIND_CLIENT","Link":"[{\"attribute\":{},\"spanID\":\"\",\"traceID\":\"01020304050607080807060504030200\"}]","Name":"client span","Resource.cloud.platform":"aws_elastic_beanstalk","Resource.cloud.provider":"aws","Resource.deployment.environment":"BETA","Resource.service.instance.id":"23","Resource.service.name":"some-service","Resource.service.version":"env-version-1234","Scope.lib-foo":"lib-bar","Scope.name":"io.opentelemetry.rabbitmq-2.7","Scope.version":"1.30.0-alpha","SpanId":"1920212223242526","TraceId":"01020304050607080807060504030201","TraceStatus":2,"TraceStatusDescription":"Test"}`
@@ -63,3 +67,48 @@ func mockResourceSpans() ptrace.Traces {
 	event.Attributes().PutStr("evnetMockBar", "bar")
 	return traces
 }
+
+func TestEncodeAttributes(t *testing.T) {
+	t.Parallel()
+
+	attributes := pcommon.NewMap()
+	err := attributes.FromRaw(map[string]any{
+		"s": "baz",
+		"o": map[string]any{
+			"sub_i": 19,
+		},
+	})
+	require.NoError(t, err)
+
+	tests := map[string]struct {
+		omitAttributesPrefix bool
+		want                 func() objmodel.Document
+	}{
+		"omit": {
+			omitAttributesPrefix: true,
+			want: func() objmodel.Document {
+				return objmodel.DocumentFromAttributes(attributes)
+			},
+		},
+		"keep": {
+			omitAttributesPrefix: false,
+			want: func() objmodel.Document {
+				doc := objmodel.Document{}
+				doc.AddAttributes("Attributes", attributes)
+				return doc
+			},
+		},
+	}
+
+	for name, test := range tests {
+		t.Run(name, func(t *testing.T) {
+			m := encodeModel{
+				omitAttributesPrefix: test.omitAttributesPrefix,
+			}
+
+			doc := objmodel.Document{}
+			m.encodeAttributes(&doc, attributes)
+			require.Equal(t, test.want(), doc)
+		})
+	}
+}