1// Copyright 2018 Google LLC
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package datastore
16
17import (
18	"context"
19	"testing"
20
21	"cloud.google.com/go/internal/testutil"
22)
23
24func TestOCTracing(t *testing.T) {
25	ctx := context.Background()
26	client := newTestClient(ctx, t)
27	defer client.Close()
28
29	te := testutil.NewTestExporter()
30	defer te.Unregister()
31
32	type SomeValue struct {
33		S string
34	}
35	_, err := client.Put(ctx, IncompleteKey("SomeKey", nil), &SomeValue{"foo"})
36	if err != nil {
37		t.Fatalf("client.Put: %v", err)
38	}
39
40	if len(te.Spans) == 0 {
41		t.Fatalf("Expected some span to be created, but got %d", 0)
42	}
43}
44