.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/internal/event/export/log_test.go

   1 // Copyright 2020 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package export_test
   6
   7 import (
   8         "context"
   9         "errors"
  10         "os"
  11         "time"
  12
  13         "golang.org/x/tools/internal/event"
  14         "golang.org/x/tools/internal/event/core"
  15         "golang.org/x/tools/internal/event/export"
  16         "golang.org/x/tools/internal/event/keys"
  17         "golang.org/x/tools/internal/event/label"
  18 )
  19
  20 func ExampleLog() {
  21         ctx := context.Background()
  22         event.SetExporter(timeFixer(export.LogWriter(os.Stdout, false)))
  23         anInt := keys.NewInt("myInt", "an integer")
  24         aString := keys.NewString("myString", "a string")
  25         event.Log(ctx, "my event", anInt.Of(6))
  26         event.Error(ctx, "error event", errors.New("an error"), aString.Of("some string value"))
  27         // Output:
  28         // 2020/03/05 14:27:48 my event
  29         //      myInt=6
  30         // 2020/03/05 14:27:48 error event: an error
  31         //      myString="some string value"
  32 }
  33
  34 func timeFixer(output event.Exporter) event.Exporter {
  35         at, _ := time.Parse(time.RFC3339Nano, "2020-03-05T14:27:48Z")
  36         return func(ctx context.Context, ev core.Event, lm label.Map) context.Context {
  37                 copy := core.CloneEvent(ev, at)
  38                 return output(ctx, copy, lm)
  39         }
  40 }