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package lsat
import (
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/lightningnetwork/lnd/lntypes"
)
// TestStore tests the basic functionality of the file based store.
func TestFileStore(t *testing.T) {
t.Parallel()
tempDirName, err := ioutil.TempDir("", "lsatstore")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tempDirName)
var (
paidPreimage = lntypes.Preimage{1, 2, 3, 4, 5}
paidToken = &Token{
Preimage: paidPreimage,
baseMac: makeMac(),
}
pendingToken = &Token{
Preimage: zeroPreimage,
baseMac: makeMac(),
}
)
store, err := NewFileStore(tempDirName)
if err != nil {
t.Fatalf("could not create test store: %v", err)
}
// Make sure the current store is empty.
_, err = store.CurrentToken()
if err != ErrNoToken {
t.Fatalf("expected store to be empty but error was: %v", err)
}
tokens, err := store.AllTokens()
if err != nil {
t.Fatalf("unexpected error listing all tokens: %v", err)
}
if len(tokens) != 0 {
t.Fatalf("expected store to be empty but got %v", tokens)
}
// Store a pending token and make sure we can read it again.
err = store.StoreToken(pendingToken)
if err != nil {
t.Fatalf("could not save pending token: %v", err)
}
if !fileExists(filepath.Join(tempDirName, storeFileNamePending)) {
t.Fatalf("expected file %s/%s to exist but it didn't",
tempDirName, storeFileNamePending)
}
token, err := store.CurrentToken()
if err != nil {
t.Fatalf("could not read pending token: %v", err)
}
if !token.baseMac.Equal(pendingToken.baseMac) {
t.Fatalf("expected macaroon to match")
}
tokens, err = store.AllTokens()
if err != nil {
t.Fatalf("unexpected error listing all tokens: %v", err)
}
if len(tokens) != 1 {
t.Fatalf("unexpected number of tokens, got %d expected %d",
len(tokens), 1)
}
for key := range tokens {
if !tokens[key].baseMac.Equal(pendingToken.baseMac) {
t.Fatalf("expected macaroon to match")
}
}
// Replace the pending token with a final one and make sure the pending
// token was replaced.
err = store.StoreToken(paidToken)
if err != nil {
t.Fatalf("could not save pending token: %v", err)
}
if !fileExists(filepath.Join(tempDirName, storeFileName)) {
t.Fatalf("expected file %s/%s to exist but it didn't",
tempDirName, storeFileName)
}
if fileExists(filepath.Join(tempDirName, storeFileNamePending)) {
t.Fatalf("expected file %s/%s to be removed but it wasn't",
tempDirName, storeFileNamePending)
}
token, err = store.CurrentToken()
if err != nil {
t.Fatalf("could not read pending token: %v", err)
}
if !token.baseMac.Equal(paidToken.baseMac) {
t.Fatalf("expected macaroon to match")
}
tokens, err = store.AllTokens()
if err != nil {
t.Fatalf("unexpected error listing all tokens: %v", err)
}
if len(tokens) != 1 {
t.Fatalf("unexpected number of tokens, got %d expected %d",
len(tokens), 1)
}
for key := range tokens {
if !tokens[key].baseMac.Equal(paidToken.baseMac) {
t.Fatalf("expected macaroon to match")
}
}
// Make sure we can't replace the existing paid token with a pending.
err = store.StoreToken(pendingToken)
if err != errNoReplace {
t.Fatalf("unexpected error. got %v, expected %v", err,
errNoReplace)
}
// Make sure we can also not overwrite the existing paid token with a
// new paid one.
err = store.StoreToken(paidToken)
if err != errNoReplace {
t.Fatalf("unexpected error. got %v, expected %v", err,
errNoReplace)
}
}