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[#302] pkg/container: Document default values set in NewAnnouncement

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Document field values of instance constructed via `NewAnnouncement`.
Assert the values in corresponding unit test.

Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
This commit is contained in:
Pavel Karpy 2021-06-08 15:25:41 +03:00 committed by Alex Vanin
parent c54dee82be
commit 1863694b96
2 changed files with 21 additions and 0 deletions
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5
pkg/container/announcement.go
View file

@ -10,6 +10,11 @@ import (
type UsedSpaceAnnouncement container.UsedSpaceAnnouncement
// NewAnnouncement initialize empty UsedSpaceAnnouncement message.
//
// Defaults:
// - epoch: 0;
// - usedSpace: 0;
// - cid: nil.
func NewAnnouncement() *UsedSpaceAnnouncement {
return NewAnnouncementFromV2(new(container.UsedSpaceAnnouncement))
}

16
pkg/container/announcement_test.go
View file

@ -72,6 +72,22 @@ func TestUsedSpaceAnnouncement_ToV2(t *testing.T) {
require.Nil(t, x.ToV2())
})
t.Run("default values", func(t *testing.T) {
announcement := container.NewAnnouncement()
// check initial values
require.Zero(t, announcement.Epoch())
require.Zero(t, announcement.UsedSpace())
require.Nil(t, announcement.ContainerID())
// convert to v2 message
announcementV2 := announcement.ToV2()
require.Zero(t, announcementV2.GetEpoch())
require.Zero(t, announcementV2.GetUsedSpace())
require.Nil(t, announcementV2.GetContainerID())
})
}
func TestNewAnnouncementFromV2(t *testing.T) {