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- // Copyright 2018 Google LLC
- //
- // 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.
-
- // +build go1.8
-
- package spanner
-
- import (
- "testing"
- "time"
-
- "cloud.google.com/go/internal/testutil"
- stestutil "cloud.google.com/go/spanner/internal/testutil"
- "golang.org/x/net/context"
- "google.golang.org/api/option"
- "google.golang.org/grpc"
- )
-
- // Check that stats are being exported.
- func TestOCStats(t *testing.T) {
- te := testutil.NewTestExporter()
- defer te.Unregister()
-
- ms := stestutil.NewMockCloudSpanner(t, trxTs)
- ms.Serve()
- ctx := context.Background()
- c, err := NewClient(ctx, "projects/P/instances/I/databases/D",
- option.WithEndpoint(ms.Addr()),
- option.WithGRPCDialOption(grpc.WithInsecure()),
- option.WithoutAuthentication())
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
-
- c.Single().ReadRow(ctx, "Users", Key{"alice"}, []string{"email"})
- // Wait until we see data from the view.
- select {
- case <-te.Stats:
- case <-time.After(1 * time.Second):
- t.Fatal("no stats were exported before timeout")
- }
- }
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