bf0d106e54
Document field values of instance constructed via `NewChecksum`. Assert the values in corresponding unit test. Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
133 lines
2.5 KiB
Go
133 lines
2.5 KiB
Go
package pkg
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import (
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"crypto/rand"
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"crypto/sha256"
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"testing"
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"github.com/nspcc-dev/neofs-api-go/v2/refs"
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"github.com/stretchr/testify/require"
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)
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func randSHA256(t *testing.T) [sha256.Size]byte {
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cSHA256 := [sha256.Size]byte{}
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_, err := rand.Read(cSHA256[:])
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require.NoError(t, err)
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return cSHA256
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}
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func TestChecksum(t *testing.T) {
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c := NewChecksum()
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cSHA256 := [sha256.Size]byte{}
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_, _ = rand.Read(cSHA256[:])
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c.SetSHA256(cSHA256)
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require.Equal(t, ChecksumSHA256, c.Type())
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require.Equal(t, cSHA256[:], c.Sum())
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cV2 := c.ToV2()
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require.Equal(t, refs.SHA256, cV2.GetType())
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require.Equal(t, cSHA256[:], cV2.GetSum())
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cTZ := [64]byte{}
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_, _ = rand.Read(cSHA256[:])
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c.SetTillichZemor(cTZ)
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require.Equal(t, ChecksumTZ, c.Type())
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require.Equal(t, cTZ[:], c.Sum())
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cV2 = c.ToV2()
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require.Equal(t, refs.TillichZemor, cV2.GetType())
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require.Equal(t, cTZ[:], cV2.GetSum())
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}
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func TestEqualChecksums(t *testing.T) {
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require.True(t, EqualChecksums(nil, nil))
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csSHA := [sha256.Size]byte{}
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_, _ = rand.Read(csSHA[:])
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cs1 := NewChecksum()
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cs1.SetSHA256(csSHA)
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cs2 := NewChecksum()
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cs2.SetSHA256(csSHA)
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require.True(t, EqualChecksums(cs1, cs2))
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csSHA[0]++
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cs2.SetSHA256(csSHA)
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require.False(t, EqualChecksums(cs1, cs2))
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}
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func TestChecksumEncoding(t *testing.T) {
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cs := NewChecksum()
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cs.SetSHA256(randSHA256(t))
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t.Run("binary", func(t *testing.T) {
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data, err := cs.Marshal()
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require.NoError(t, err)
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c2 := NewChecksum()
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require.NoError(t, c2.Unmarshal(data))
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require.Equal(t, cs, c2)
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})
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t.Run("json", func(t *testing.T) {
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data, err := cs.MarshalJSON()
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require.NoError(t, err)
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cs2 := NewChecksum()
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require.NoError(t, cs2.UnmarshalJSON(data))
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require.Equal(t, cs, cs2)
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})
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t.Run("string", func(t *testing.T) {
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cs2 := NewChecksum()
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require.NoError(t, cs2.Parse(cs.String()))
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require.Equal(t, cs, cs2)
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})
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}
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func TestNewChecksumFromV2(t *testing.T) {
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t.Run("from nil", func(t *testing.T) {
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var x *refs.Checksum
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require.Nil(t, NewChecksumFromV2(x))
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})
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}
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func TestChecksum_ToV2(t *testing.T) {
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t.Run("nil", func(t *testing.T) {
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var x *Checksum
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require.Nil(t, x.ToV2())
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})
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}
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func TestNewChecksum(t *testing.T) {
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t.Run("default values", func(t *testing.T) {
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chs := NewChecksum()
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// check initial values
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require.Equal(t, ChecksumUnknown, chs.Type())
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require.Nil(t, chs.Sum())
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// convert to v2 message
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chsV2 := chs.ToV2()
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require.Equal(t, refs.UnknownChecksum, chsV2.GetType())
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require.Nil(t, chsV2.GetSum())
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})
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}
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