frostfs-sdk-go/container/id/id_test.go

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package cid_test
import (
"crypto/rand"
"crypto/sha256"
"testing"
"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
"github.com/mr-tron/base58"
"github.com/stretchr/testify/require"
)
func randSHA256Checksum() (cs [sha256.Size]byte) {
rand.Read(cs[:])
return
}
const emptyID = "11111111111111111111111111111111"
func TestID_ToV2(t *testing.T) {
t.Run("non-zero", func(t *testing.T) {
checksum := randSHA256Checksum()
id := cidtest.IDWithChecksum(checksum)
var idV2 refs.ContainerID
id.WriteToV2(&idV2)
var newID cid.ID
require.NoError(t, newID.ReadFromV2(idV2))
require.Equal(t, id, newID)
require.Equal(t, checksum[:], idV2.GetValue())
})
t.Run("zero", func(t *testing.T) {
var (
x cid.ID
v2 refs.ContainerID
)
x.WriteToV2(&v2)
require.Equal(t, emptyID, base58.Encode(v2.GetValue()))
})
}
func TestID_Equal(t *testing.T) {
cs := randSHA256Checksum()
id1 := cidtest.IDWithChecksum(cs)
id2 := cidtest.IDWithChecksum(cs)
require.True(t, id1.Equals(id2))
id3 := cidtest.ID()
require.False(t, id1.Equals(id3))
}
func TestID_String(t *testing.T) {
t.Run("DecodeString/EncodeToString", func(t *testing.T) {
id := cidtest.ID()
var id2 cid.ID
require.NoError(t, id2.DecodeString(id.EncodeToString()))
require.Equal(t, id, id2)
})
t.Run("zero", func(t *testing.T) {
var id cid.ID
require.Equal(t, emptyID, id.EncodeToString())
})
}
func TestNewFromV2(t *testing.T) {
t.Run("from zero", func(t *testing.T) {
var (
x cid.ID
v2 refs.ContainerID
)
require.Error(t, x.ReadFromV2(v2))
})
}
func TestID_Encode(t *testing.T) {
var id cid.ID
t.Run("panic", func(t *testing.T) {
dst := make([]byte, sha256.Size-1)
require.Panics(t, func() {
id.Encode(dst)
})
})
t.Run("correct", func(t *testing.T) {
dst := make([]byte, sha256.Size)
require.NotPanics(t, func() {
id.Encode(dst)
})
require.Equal(t, emptyID, id.EncodeToString())
})
}