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package resolver
import (
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
)
type testBackend struct {
// contracts mock
contracts map[string](map[string]string)
}
var (
text = "test"
codehash = common.StringToHash("1234")
hash = common.BytesToHash(crypto.Sha3([]byte(text)))
url = "bzz://bzzhash/my/path/contr.act"
)
func NewTestBackend() *testBackend {
self := &testBackend{}
self.contracts = make(map[string](map[string]string))
self.contracts[HashRegContractAddress] = make(map[string]string)
key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:]))
self.contracts[HashRegContractAddress][key] = hash.Hex()
self.contracts[URLHintContractAddress] = make(map[string]string)
mapaddr := storageMapping(storageIdx2Addr(1), hash[:])
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0)))
self.contracts[URLHintContractAddress][key] = common.ToHex([]byte(url))
key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1)))
self.contracts[URLHintContractAddress][key] = "0x00"
return self
}
func (self *testBackend) StorageAt(ca, sa string) (res string) {
c := self.contracts[ca]
if c == nil {
return
}
res = c[sa]
return
}
func TestKeyToContentHash(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
got, err := res.KeyToContentHash(codehash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if got != hash {
t.Errorf("incorrect result, expected %x, got %x: ", hash.Hex(), got.Hex())
}
}
}
func TestContentHashToUrl(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
got, err := res.ContentHashToUrl(hash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if string(got) != url {
t.Errorf("incorrect result, expected %v, got %s: ", url, string(got))
}
}
}
func TestKeyToUrl(t *testing.T) {
b := NewTestBackend()
res := New(b, URLHintContractAddress, HashRegContractAddress)
got, _, err := res.KeyToUrl(codehash)
if err != nil {
t.Errorf("expected no error, got %v", err)
} else {
if string(got) != url {
t.Errorf("incorrect result, expected %v, got %s: ", url, string(got))
}
}
}
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