forked from TrueCloudLab/frostfs-api-go
[#302] pkg/object: Convert nil Range
to nil message
Document that `Range.ToV2` method return `nil` when called on `nil`. Document that `NewRangeFromV2` function return `nil` when called on `nil`. Write corresponding unit tests. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
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@ -8,6 +8,8 @@ import (
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type Range object.Range
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// NewRangeFromV2 wraps v2 Range message to Range.
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//
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// Nil object.Range converts to nil.
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func NewRangeFromV2(rV2 *object.Range) *Range {
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return (*Range)(rV2)
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}
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@ -18,6 +20,8 @@ func NewRange() *Range {
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}
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// ToV2 converts Range to v2 Range message.
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//
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// Nil Range converts to nil.
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func (r *Range) ToV2() *object.Range {
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return (*object.Range)(r)
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}
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@ -1,6 +1,7 @@
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package object
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import (
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"github.com/nspcc-dev/neofs-api-go/v2/object"
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"testing"
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"github.com/stretchr/testify/require"
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@ -23,3 +24,19 @@ func TestRange_SetLength(t *testing.T) {
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require.Equal(t, ln, r.GetLength())
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}
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func TestNewRangeFromV2(t *testing.T) {
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t.Run("from nil", func(t *testing.T) {
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var x *object.Range
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require.Nil(t, NewRangeFromV2(x))
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})
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}
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func TestRange_ToV2(t *testing.T) {
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t.Run("nil", func(t *testing.T) {
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var x *Range
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require.Nil(t, x.ToV2())
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})
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}
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