status-go/protocol/identity/emojihash/emojihash_test.go

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package emojihash
import (
"reflect"
"testing"
"github.com/stretchr/testify/require"
"github.com/status-im/status-go/protocol/identity"
)
func TestGenerateFor(t *testing.T) {
checker := func(pubkey string, expected *[](string)) {
emojihash, err := GenerateFor(pubkey)
require.NoError(t, err)
if !reflect.DeepEqual(emojihash, *expected) {
t.Fatalf("invalid emojihash %v != %v", emojihash, *expected)
}
}
checker("0x04e25da6994ea2dc4ac70727e07eca153ae92bf7609db7befb7ebdceaad348f4fc55bbe90abf9501176301db5aa103fc0eb3bc3750272a26c424a10887db2a7ea8",
&[](string){"👦🏽", "🦹🏻", "👶🏿", "🛁", "🌁", "🙌🏻", "🙇🏽‍♂️", "🙌🏾", "🤥", "🐛", "👩🏽‍🔧", "🔧", "⚙️", "🧒🏽"})
checker("0x0400000000000000000000000000000000000000000000000000000000000000014218F20AE6C646B363DB68605822FB14264CA8D2587FDD6FBC750D587E76A7EE",
&[](string){"😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀"})
checker("0x04000000000000000000000000000000000000000010000000000000000000000033600332D373318ECC2F212A30A5750D2EAC827B6A32B33D326CCF369B12B1BE",
&[](string){"😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", (emojisAlphabet)[1]})
checker("0x040000000000000000000000000000000000000000200000000000000000000000353050BFE33B724E60A0C600FBA565A9B62217B1BD35BF9848F2AB847C598B30",
&[](string){"😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", "😀", (emojisAlphabet)[2]})
}
func TestEmojiHashOfInvalidKey(t *testing.T) {
checker := func(pubkey string) {
_, err := GenerateFor(pubkey)
require.Error(t, err)
}
checker("abc")
checker("0x01")
checker("0x01e25da6994ea2dc4ac70727e07eca153ae92bf7609db7befb7ebdceaad348f4fc55bbe90abf9501176301db5aa103fc0eb3bc3750272a26c424a10887db2a7ea8")
checker("0x04425da6994ea2dc4ac70727e07eca153ae92bf7609db7befb7ebdceaad348f4fc55bbe90abf9501176301db5aa103fc0eb3bc3750272a26c424a10887db2a7ea8")
}
func TestToEmojiHash(t *testing.T) {
alphabet := [](string){"😇", "🤐", "🥵", "🙊", "🤌"}
checker := func(valueStr string, hashLen int, expected *[](string)) {
value := identity.ToBigInt(t, valueStr)
res, err := toEmojiHash(value, hashLen, &alphabet)
require.NoError(t, err)
if !reflect.DeepEqual(res, *expected) {
t.Fatalf("invalid emojihash conversion %v != %v", res, *expected)
}
}
checker("777", 5, &[](string){"🤐", "🤐", "🤐", "😇", "🥵"})
checker("777", 0, &[](string){"🤐", "🤐", "🤐", "😇", "🥵"})
checker("777", 10, &[](string){"😇", "😇", "😇", "😇", "😇", "🤐", "🤐", "🤐", "😇", "🥵"})
// 20bytes of data described by 14 emojis requires at least 2757 length alphabet
alphabet = make([](string), 2757)
val := identity.ToBigInt(t, "0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF") // 20 bytes
_, err := toEmojiHash(val, 14, &alphabet)
require.NoError(t, err)
alphabet = make([](string), 2757-1)
_, err = toEmojiHash(val, 14, &alphabet)
require.Error(t, err)
}