featurebase/hash/blake3_test.go
CLoZengineer f9ddb5d5c1
fix: updating code to meet linting requirements (#2171)
* removes unused filesize function

* removes ioutil usage

* updates ioutil.ReadAll to io.ReadAll

* updates ioutil.TempFile to os.CreateTemp

* updates ioutil.TempDir to os.MkdirTemp

* updates ioutil.ReadAll to os.ReadAll

* update ioutil.WriteFile to os.WriteFile

* updates ioutil.Discard to io.Discard

* updates ioutil.ReadDir to os.ReadDir where applicable

* removes unused code in idk

* creates type to use for context value keys

* replaces assert.Nil with assert.NoError for error checks
2022-09-29 12:34:29 -04:00

77 lines
1.7 KiB
Go

// Copyright 2022 Molecula Corp. (DBA FeatureBase).
// SPDX-License-Identifier: Apache-2.0
package hash
import (
"encoding/hex"
"fmt"
"os"
"path"
"testing"
"github.com/featurebasedb/featurebase/v3/testhook"
)
func TestBlake3Hasher(t *testing.T) {
hasher := NewBlake3Hasher()
hash := make([]byte, 16)
input := []byte("hello world")
hash = hasher.CryptoHash(input, hash)
expected := "d74981efa70a0c880b8d8c1985d075db"
observed := hex.EncodeToString(hash)
if observed != expected {
panic(fmt.Sprintf("expected hash:'%v' but observed hash '%v'", expected, observed))
}
obs2 := Blake3sum16(input)
if obs2 != expected {
panic(fmt.Sprintf("expected hash:'%v' but observed hash from blake2sum16: '%v'", expected, obs2))
}
}
func TestCryptoRandInt64(t *testing.T) {
rnd := CryptoRandInt64()
if rnd == 0 {
panic("cryptoRandInt64() gave 0, very high odds it has broken")
}
}
func TestHashOfDir(t *testing.T) {
dir, err := testhook.TempDir(t, "TestHashOfDir-dir")
if err != nil {
t.Fatal(err)
}
b := path.Join(dir, "A", "B")
if err := os.MkdirAll(b, 0755); err != nil {
t.Fatal(err)
}
c := path.Join(dir, "A", "C")
if err := os.MkdirAll(c, 0755); err != nil {
t.Fatal(err)
}
bmessage := []byte("hello B\n")
if err := os.WriteFile(path.Join(b, "b_content"), bmessage, 0644); err != nil {
t.Fatal(err)
}
cmessage := []byte("hello C\n")
if err := os.WriteFile(path.Join(c, "c_content"), cmessage, 0644); err != nil {
t.Fatal(err)
}
hsh := HashOfDir(dir)
c2message := []byte("hello C2\n")
if err := os.WriteFile(path.Join(c, "c_content"), c2message, 0644); err != nil {
t.Fatal(err)
}
hsh2 := HashOfDir(dir)
if hsh2 == hsh {
t.Fatal("HashOfDir did not detect 1 byte change")
}
}