frostfs-node/pkg/local_object_storage/pilorama/batch_test.go
Evgenii Stratonikov f2e5dead7e [] pilorama: Disallow applying same operations
1. In redo() we save the old state.
2. If we do redo() for the same operation twice, the old state will be
   overritten with the new one.
3. This in turn affects undo() and subsequent isAncestor() check.

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>
2023-05-26 12:14:29 +00:00

70 lines
1.2 KiB
Go

package pilorama
import (
"testing"
"github.com/stretchr/testify/require"
)
func Test_removeDuplicatesInPlace(t *testing.T) {
testCases := []struct {
before []int
after []int
}{
{
before: []int{},
after: []int{},
},
{
before: []int{1},
after: []int{1},
},
{
before: []int{1, 2},
after: []int{1, 2},
},
{
before: []int{1, 2, 3},
after: []int{1, 2, 3},
},
{
before: []int{1, 1, 2},
after: []int{1, 2},
},
{
before: []int{1, 2, 2},
after: []int{1, 2},
},
{
before: []int{1, 2, 2, 3},
after: []int{1, 2, 3},
},
{
before: []int{1, 1, 1},
after: []int{1},
},
{
before: []int{1, 1, 2, 2},
after: []int{1, 2},
},
{
before: []int{1, 1, 1, 2, 3, 3, 3},
after: []int{1, 2, 3},
},
}
for _, tc := range testCases {
ops := make([]*Move, len(tc.before))
for i := range ops {
ops[i] = &Move{Meta: Meta{Time: Timestamp(tc.before[i])}}
}
expected := make([]*Move, len(tc.after))
for i := range expected {
expected[i] = &Move{Meta: Meta{Time: Timestamp(tc.after[i])}}
}
actual := removeDuplicatesInPlace(ops)
require.Equal(t, expected, actual, "%d", tc.before)
}
}