mirror of
https://github.com/zeromicro/go-zero.git
synced 2026-05-08 07:30:01 +08:00
71 lines
1.3 KiB
Go
71 lines
1.3 KiB
Go
package hash
|
|
|
|
import (
|
|
"crypto/md5"
|
|
"fmt"
|
|
"hash/fnv"
|
|
"math/big"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
const (
|
|
text = "hello, world!\n"
|
|
md5Digest = "910c8bc73110b0cd1bc5d2bcae782511"
|
|
)
|
|
|
|
func TestMd5(t *testing.T) {
|
|
actual := fmt.Sprintf("%x", Md5([]byte(text)))
|
|
assert.Equal(t, md5Digest, actual)
|
|
}
|
|
|
|
func TestMd5Hex(t *testing.T) {
|
|
actual := Md5Hex([]byte(text))
|
|
assert.Equal(t, md5Digest, actual)
|
|
}
|
|
|
|
func TestHash(t *testing.T) {
|
|
result := Hash([]byte(text))
|
|
assert.NotEqual(t, uint64(0), result)
|
|
}
|
|
|
|
func TestHash_Deterministic(t *testing.T) {
|
|
data := []byte("consistent-hash-test")
|
|
first := Hash(data)
|
|
second := Hash(data)
|
|
assert.Equal(t, first, second)
|
|
}
|
|
|
|
func TestHash_Empty(t *testing.T) {
|
|
// Hash should not panic on empty input.
|
|
result := Hash([]byte{})
|
|
_ = result
|
|
}
|
|
|
|
func TestMd5Hex_Empty(t *testing.T) {
|
|
result := Md5Hex([]byte{})
|
|
assert.Equal(t, 32, len(result))
|
|
}
|
|
|
|
func BenchmarkHashFnv(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
h := fnv.New32()
|
|
new(big.Int).SetBytes(h.Sum([]byte(text))).Int64()
|
|
}
|
|
}
|
|
|
|
func BenchmarkHashMd5(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
h := md5.New()
|
|
bytes := h.Sum([]byte(text))
|
|
new(big.Int).SetBytes(bytes).Int64()
|
|
}
|
|
}
|
|
|
|
func BenchmarkMurmur3(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
Hash([]byte(text))
|
|
}
|
|
}
|