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lsat: test cost maximum in interceptor

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This commit is contained in:
Oliver Gugger 2020-01-10 12:14:04 +01:00
parent ccdbc3b21b
commit 202edd05f2
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GPG key ID: 8E4256593F177720
1 changed files with 43 additions and 9 deletions
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52
lsat/interceptor_test.go
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@ -50,6 +50,7 @@ func TestInterceptor(t *testing.T) {
testTimeout = 5 * time.Second
interceptor = NewInterceptor(
&lnd.LndServices, store, testTimeout,
DefaultMaxCostSats, DefaultMaxRoutingFeeSats,
)
testMac = makeMac(t)
testMacBytes = serializeMac(t, testMac)
@ -84,11 +85,13 @@ func TestInterceptor(t *testing.T) {
testCases := []struct {
name string
initialToken *Token
interceptor *Interceptor
resetCb func()
expectLndCall bool
sendPaymentCb func(msg test.PaymentChannelMessage)
trackPaymentCb func(msg test.TrackPaymentMessage)
expectToken bool
expectInterceptErr string
expectBackendCalls int
expectMacaroonCall1 bool
expectMacaroonCall2 bool
@ -96,6 +99,7 @@ func TestInterceptor(t *testing.T) {
{
name: "no auth required happy path",
initialToken: nil,
interceptor: interceptor,
resetCb: func() { resetBackend(nil, "") },
expectLndCall: false,
expectToken: false,
@ -106,6 +110,7 @@ func TestInterceptor(t *testing.T) {
{
name: "auth required, no token yet",
initialToken: nil,
interceptor: interceptor,
resetCb: func() {
resetBackend(
status.New(
@ -140,6 +145,7 @@ func TestInterceptor(t *testing.T) {
{
name: "auth required, has token",
initialToken: paidToken,
interceptor: interceptor,
resetCb: func() { resetBackend(nil, "") },
expectLndCall: false,
expectToken: true,
@ -150,6 +156,7 @@ func TestInterceptor(t *testing.T) {
{
name: "auth required, has pending token",
initialToken: pendingToken,
interceptor: interceptor,
resetCb: func() {
resetBackend(
status.New(
@ -177,6 +184,30 @@ func TestInterceptor(t *testing.T) {
expectMacaroonCall1: false,
expectMacaroonCall2: true,
},
{
name: "auth required, no token yet, cost limit",
initialToken: nil,
interceptor: NewInterceptor(
&lnd.LndServices, store, testTimeout,
100, DefaultMaxRoutingFeeSats,
),
resetCb: func() {
resetBackend(
status.New(
GRPCErrCode, GRPCErrMessage,
).Err(),
makeAuthHeader(testMacBytes),
)
},
expectLndCall: false,
expectToken: false,
expectInterceptErr: "cannot pay for LSAT " +
"automatically, cost of 500000 msat exceeds " +
"configured max cost of 100000 msat",
expectBackendCalls: 1,
expectMacaroonCall1: false,
expectMacaroonCall2: false,
},
}
// The invoker is a simple function that simulates the actual call to
@ -219,11 +250,14 @@ func TestInterceptor(t *testing.T) {
backendWg.Add(1)
overallWg.Add(1)
go func() {
err := interceptor.UnaryInterceptor(
err := tc.interceptor.UnaryInterceptor(
ctx, "", nil, nil, nil, invoker, nil,
)
if err != nil {
panic(err)
if err != nil && tc.expectInterceptErr != "" &&
err.Error() != tc.expectInterceptErr {
panic(fmt.Errorf("unexpected error '%s', "+
"expected '%s'", err.Error(),
tc.expectInterceptErr))
}
overallWg.Done()
}()
@ -318,12 +352,12 @@ func serializeMac(t *testing.T, mac *macaroon.Macaroon) []byte {
}
func makeAuthHeader(macBytes []byte) string {
// Testnet invoice, copied from lnd/zpay32/invoice_test.go
invoice := "lntb20m1pvjluezpp5qqqsyqcyq5rqwzqfqqqsyqcyq5rqwzqfqqqsyqc" +
"yq5rqwzqfqypqhp58yjmdan79s6qqdhdzgynm4zwqd5d7xmw5fk98klysy04" +
"3l2ahrqsfpp3x9et2e20v6pu37c5d9vax37wxq72un98k6vcx9fz94w0qf23" +
"7cm2rqv9pmn5lnexfvf5579slr4zq3u8kmczecytdx0xg9rwzngp7e6guwqp" +
"qlhssu04sucpnz4axcv2dstmknqq6jsk2l"
// Testnet invoice over 500 sats.
invoice := "lntb5u1p0pskpmpp5jzw9xvdast2g5lm5tswq6n64t2epe3f4xav43dyd" +
"239qr8h3yllqdqqcqzpgsp5m8sfjqgugthk66q3tr4gsqr5rh740jrq9x4l0" +
"kvj5e77nmwqvpnq9qy9qsq72afzu7sfuppzqg3q2pn49hlh66rv7w60h2rua" +
"hx857g94s066yzxcjn4yccqc79779sd232v9ewluvu0tmusvht6r99rld8xs" +
"k287cpyac79r"
return fmt.Sprintf("LSAT macaroon=\"%s\", invoice=\"%s\"",
base64.StdEncoding.EncodeToString(macBytes), invoice)
}