Exemple #1
0
func TestHash(t *testing.T) {
	data := []byte("some other data")
	block := NewBlock(data)

	hash, err := mh.Sum(data, mh.SHA2_256, -1)
	if err != nil {
		t.Fatal(err)
	}

	if !bytes.Equal(block.Multihash(), hash) {
		t.Error("wrong multihash")
	}
}
Exemple #2
0
func TestManualHash(t *testing.T) {
	oldDebugState := u.Debug
	defer (func() {
		u.Debug = oldDebugState
	})()

	data := []byte("I can't figure out more names .. data")
	hash, err := mh.Sum(data, mh.SHA2_256, -1)
	if err != nil {
		t.Fatal(err)
	}

	c := cid.NewCidV0(hash)

	u.Debug = false
	block, err := NewBlockWithCid(data, c)
	if err != nil {
		t.Fatal(err)
	}

	if !bytes.Equal(block.Multihash(), hash) {
		t.Error("wrong multihash")
	}

	data[5] = byte((uint32(data[5]) + 5) % 256) // Transfrom hash to be different
	block, err = NewBlockWithCid(data, c)
	if err != nil {
		t.Fatal(err)
	}

	if !bytes.Equal(block.Multihash(), hash) {
		t.Error("wrong multihash")
	}

	u.Debug = true

	block, err = NewBlockWithCid(data, c)
	if err != ErrWrongHash {
		t.Fatal(err)
	}

}