blob: 3f9ca676a0003abd5b0f1de49c0c533f304e011b [file] [log] [blame]
// Copyright 2017, OpenCensus Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ocgrpc
import (
"context"
"testing"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/stats"
"go.opencensus.io/trace"
)
func TestClientHandler_traceTagRPC(t *testing.T) {
ch := &ClientHandler{}
ch.StartOptions.Sampler = trace.AlwaysSample()
rti := &stats.RPCTagInfo{
FullMethodName: "xxx",
}
ctx := context.Background()
ctx = ch.traceTagRPC(ctx, rti)
span := trace.FromContext(ctx)
if span == nil {
t.Fatal("expected span, got nil")
}
if !span.IsRecordingEvents() {
t.Errorf("span should be sampled")
}
md, ok := metadata.FromOutgoingContext(ctx)
if !ok || len(md) == 0 || len(md[traceContextKey]) == 0 {
t.Fatal("no metadata")
}
}