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package client
import (
"context"
"net/http"
"testing"
"github.com/go-openapi/runtime"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/codes"
"go.opentelemetry.io/otel/propagation"
tracesdk "go.opentelemetry.io/otel/sdk/trace"
"go.opentelemetry.io/otel/sdk/trace/tracetest"
"go.opentelemetry.io/otel/trace"
)
func Test_OpenTelemetryRuntime_submit(t *testing.T) {
t.Parallel()
exporter := tracetest.NewInMemoryExporter()
tp := tracesdk.NewTracerProvider(
tracesdk.WithSampler(tracesdk.AlwaysSample()),
tracesdk.WithSyncer(exporter),
)
otel.SetTracerProvider(tp)
tracer := tp.Tracer("go-runtime")
ctx, span := tracer.Start(context.Background(), "op")
defer span.End()
assertOpenTelemetrySubmit(t, testOperation(ctx), exporter, 1)
}
func Test_OpenTelemetryRuntime_submit_nilAuthInfo(t *testing.T) {
t.Parallel()
exporter := tracetest.NewInMemoryExporter()
tp := tracesdk.NewTracerProvider(
tracesdk.WithSampler(tracesdk.AlwaysSample()),
tracesdk.WithSyncer(exporter),
)
otel.SetTracerProvider(tp)
tracer := tp.Tracer("go-runtime")
ctx, span := tracer.Start(context.Background(), "op")
defer span.End()
operation := testOperation(ctx)
operation.AuthInfo = nil
assertOpenTelemetrySubmit(t, operation, exporter, 1)
}
func Test_OpenTelemetryRuntime_submit_nilContext(t *testing.T) {
exporter := tracetest.NewInMemoryExporter()
tp := tracesdk.NewTracerProvider(
tracesdk.WithSampler(tracesdk.AlwaysSample()),
tracesdk.WithSyncer(exporter),
)
otel.SetTracerProvider(tp)
tracer := tp.Tracer("go-runtime")
ctx, span := tracer.Start(context.Background(), "op")
defer span.End()
operation := testOperation(ctx)
operation.Context = nil
assertOpenTelemetrySubmit(t, operation, exporter, 0) // just don't panic
}
func Test_injectOpenTelemetrySpanContext(t *testing.T) {
t.Parallel()
exporter := tracetest.NewInMemoryExporter()
tp := tracesdk.NewTracerProvider(
tracesdk.WithSampler(tracesdk.AlwaysSample()),
tracesdk.WithSyncer(exporter),
)
otel.SetTracerProvider(tp)
tracer := tp.Tracer("go-runtime")
ctx, span := tracer.Start(context.Background(), "op")
defer span.End()
operation := testOperation(ctx)
header := map[string][]string{}
tr := newOpenTelemetryTransport(&mockRuntime{runtime.TestClientRequest{Headers: header}}, "", nil)
tr.config.Propagator = propagation.TraceContext{}
_, err := tr.Submit(operation)
require.NoError(t, err)
assert.Len(t, header, 1)
}
func assertOpenTelemetrySubmit(t *testing.T, operation *runtime.ClientOperation, exporter *tracetest.InMemoryExporter, expectedSpanCount int) {
header := map[string][]string{}
tr := newOpenTelemetryTransport(&mockRuntime{runtime.TestClientRequest{Headers: header}}, "remote_host", nil)
_, err := tr.Submit(operation)
require.NoError(t, err)
spans := exporter.GetSpans()
assert.Len(t, spans, expectedSpanCount)
if expectedSpanCount != 1 {
return
}
span := spans[0]
assert.Equal(t, "getCluster", span.Name)
assert.Equal(t, "go-openapi", span.InstrumentationLibrary.Name)
assert.Equal(t, codes.Error, span.Status.Code)
assert.Equal(t, []attribute.KeyValue{
attribute.String("net.peer.name", "remote_host"),
attribute.String("http.route", "/kubernetes-clusters/{cluster_id}"),
attribute.String("http.method", http.MethodGet),
attribute.String("span.kind", trace.SpanKindClient.String()),
attribute.String("http.scheme", schemeHTTPS),
// NOTE: this becomes http.response.status_code with semconv v1.21
attribute.Int("http.status_code", 490),
}, span.Attributes)
}
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