mirror of
https://github.com/octoleo/restic.git
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73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
// Copyright 2018 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build go1.8
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package spanner
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import (
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"testing"
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"time"
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"cloud.google.com/go/spanner/internal/testutil"
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"go.opencensus.io/plugin/ocgrpc"
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statsview "go.opencensus.io/stats/view"
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"golang.org/x/net/context"
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"google.golang.org/api/option"
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"google.golang.org/grpc"
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)
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func TestOCStats(t *testing.T) {
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// Check that stats are being exported.
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te := &testExporter{c: make(chan *statsview.Data)}
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statsview.RegisterExporter(te)
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defer statsview.UnregisterExporter(te)
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statsview.SetReportingPeriod(time.Millisecond)
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if err := ocgrpc.ClientRequestCountView.Subscribe(); err != nil {
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t.Fatal(err)
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}
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ms := testutil.NewMockCloudSpanner(t, trxTs)
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ms.Serve()
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ctx := context.Background()
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c, err := NewClient(ctx, "projects/P/instances/I/databases/D",
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option.WithEndpoint(ms.Addr()),
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option.WithGRPCDialOption(grpc.WithInsecure()),
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option.WithoutAuthentication())
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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c.Single().ReadRow(ctx, "Users", Key{"alice"}, []string{"email"})
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// Wait until we see data from the view.
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select {
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case <-te.c:
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case <-time.After(1 * time.Second):
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t.Fatal("no stats were exported before timeout")
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}
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}
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type testExporter struct {
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c chan *statsview.Data
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}
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func (e *testExporter) ExportView(vd *statsview.Data) {
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if len(vd.Rows) > 0 {
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select {
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case e.c <- vd:
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default:
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}
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}
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}
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