go-ceph/rbd/group_snap_test.go

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package rbd
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestGroupSnapshots(t *testing.T) {
// tests are done as subtests to avoid creating pools, images, etc
// over and over again.
conn := radosConnect(t)
require.NotNil(t, conn)
defer conn.Shutdown()
poolname := GetUUID()
err := conn.MakePool(poolname)
require.NoError(t, err)
defer conn.DeletePool(poolname)
ioctx, err := conn.OpenIOContext(poolname)
require.NoError(t, err)
defer ioctx.Destroy()
// create a group, some images, and add images to the group
gname := "snapme"
err = GroupCreate(ioctx, gname)
assert.NoError(t, err)
options := NewRbdImageOptions()
assert.NoError(t,
options.SetUint64(ImageOptionOrder, uint64(testImageOrder)))
name1 := GetUUID()
err = CreateImage(ioctx, name1, testImageSize, options)
require.NoError(t, err)
name2 := GetUUID()
err = CreateImage(ioctx, name2, testImageSize, options)
require.NoError(t, err)
err = GroupImageAdd(ioctx, gname, ioctx, name1)
assert.NoError(t, err)
err = GroupImageAdd(ioctx, gname, ioctx, name2)
assert.NoError(t, err)
t.Run("groupSnapCreateRemove", func(t *testing.T) {
err := GroupSnapCreate(ioctx, gname, "snap1")
assert.NoError(t, err)
err = GroupSnapRemove(ioctx, gname, "snap1")
assert.NoError(t, err)
})
t.Run("groupSnapRename", func(t *testing.T) {
err := GroupSnapCreate(ioctx, gname, "snap2a")
assert.NoError(t, err)
err = GroupSnapRename(ioctx, gname, "fred", "wilma")
assert.Error(t, err)
err = GroupSnapRename(ioctx, gname, "snap2a", "snap2b")
assert.NoError(t, err)
err = GroupSnapRemove(ioctx, gname, "snap2a")
assert.Error(t, err, "remove of old name: expect error")
err = GroupSnapRemove(ioctx, gname, "snap2b")
assert.NoError(t, err, "remove of current name: expect success")
})
t.Run("invalidIOContext", func(t *testing.T) {
assert.Panics(t, func() {
GroupSnapCreate(nil, gname, "foo")
})
assert.Panics(t, func() {
GroupSnapRemove(nil, gname, "foo")
})
assert.Panics(t, func() {
GroupSnapRename(nil, gname, "foo", "bar")
})
})
}