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