Add WithStatus option to set Span status at the same time (open-telem…

…etry#1677)

Signed-off-by: lastchiliarch <lastchiliarch@163.com>

sdk/trace/span.go

@@ -245,9 +245,9 @@ func (s *span) End(options ...trace.SpanOption) {
 }
 
 // RecordError will record err as a span event for this span.
-// this method does not change the Span status in default.
-// If you want to change Span status, pass WithStatus as opts.
-// this metod does nothing If this span is not being recorded or err is nil.
+// This method does not change the Span status in default
+// To change Span status, pass `WithStatus` as options.
+// This method does nothing If this span is not being recorded or err is nil.
 func (s *span) RecordError(err error, opts ...trace.EventOption) {
 	if s == nil || err == nil || !s.IsRecording() {
 		return

sdk/trace/trace_test.go

@@ -1165,53 +1165,62 @@ func TestRecordErrorNil(t *testing.T) {
 }
 
 func TestRecordErrorWithStatus(t *testing.T) {
+	errTime := time.Now()
 	scenarios := []struct {
-		err error
-		typ string
-		msg string
+		err  error
+		want *SpanSnapshot
 	}{
 		{
 			err: ottest.NewTestError("test error"),
-			typ: "go.opentelemetry.io/otel/internal/internaltest.TestError",
-			msg: "test error",
+			want: &SpanSnapshot{
+				SpanContext: trace.NewSpanContext(trace.SpanContextConfig{
+					TraceID:    tid,
+					TraceFlags: 0x1,
+				}),
+				Parent:     sc.WithRemote(true),
+				Name:       "span0",
+				StatusCode: codes.Error,
+				SpanKind:   trace.SpanKindInternal,
+				MessageEvents: []trace.Event{
+					{
+						Name: semconv.ExceptionEventName,
+						Time: errTime,
+						Attributes: []attribute.KeyValue{
+							semconv.ExceptionTypeKey.String("go.opentelemetry.io/otel/internal/internaltest.TestError"),
+							semconv.ExceptionMessageKey.String("test error"),
+						},
+					},
+				},
+				InstrumentationLibrary: instrumentation.Library{Name: "RecordError"},
+			},
+		},
+		{
+			err: nil,
+			want: &SpanSnapshot{
+				SpanContext: trace.NewSpanContext(trace.SpanContextConfig{
+					TraceID:    tid,
+					TraceFlags: 0x1,
+				}),
+				Parent:                 sc.WithRemote(true),
+				Name:                   "span0",
+				StatusCode:             codes.Unset,
+				SpanKind:               trace.SpanKindInternal,
+				InstrumentationLibrary: instrumentation.Library{Name: "RecordError"},
+			},
 		},
 	}
 
 	for _, s := range scenarios {
 		te := NewTestExporter()
 		tp := NewTracerProvider(WithSyncer(te), WithResource(resource.Empty()))
-		span := startSpan(tp, "RecordError")
 
-		errTime := time.Now()
+		span := startSpan(tp, "RecordError")
 		span.RecordError(s.err, trace.WithTimestamp(errTime), trace.WithStatus(true))
-
 		got, err := endSpan(te, span)
 		if err != nil {
 			t.Fatal(err)
 		}
-
-		want := &SpanSnapshot{
-			SpanContext: trace.NewSpanContext(trace.SpanContextConfig{
-				TraceID:    tid,
-				TraceFlags: 0x1,
-			}),
-			Parent:     sc.WithRemote(true),
-			Name:       "span0",
-			StatusCode: codes.Error,
-			SpanKind:   trace.SpanKindInternal,
-			MessageEvents: []trace.Event{
-				{
-					Name: semconv.ExceptionEventName,
-					Time: errTime,
-					Attributes: []attribute.KeyValue{
-						semconv.ExceptionTypeKey.String(s.typ),
-						semconv.ExceptionMessageKey.String(s.msg),
-					},
-				},
-			},
-			InstrumentationLibrary: instrumentation.Library{Name: "RecordError"},
-		}
-		if diff := cmpDiff(got, want); diff != "" {
+		if diff := cmpDiff(got, s.want); diff != "" {
 			t.Errorf("SpanErrorOptions: -got +want %s", diff)
 		}
 	}

trace/config_test.go

@@ -41,7 +41,7 @@ func TestNewSpanConfig(t *testing.T) {
 	}
 
 	withStatusOpt := WithStatus(true)
-	//just for coverage
+	// For coverage
 	withStatusOpt.private()
 
 	tests := []struct {