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wtwire: explain emptyMsg parameter in function comment

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This makes it unnecessary to explain the argument at every call site, so
we can simplify each fuzz target.
This commit is contained in:
Matt Morehouse 2024-11-13 15:50:11 -06:00
parent 567ff5d751
commit 9dd921243d
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GPG Key ID: CC8ECA224831C982
1 changed files with 11 additions and 41 deletions
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52
watchtower/wtwire/fuzz_test.go
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@ -21,7 +21,9 @@ func prefixWithMsgType(data []byte, prefix MessageType) []byte {
// wireMsgHarness performs the actual fuzz testing of the appropriate wire
// message. This function will check that the passed-in message passes wire
// length checks, is a valid message once deserialized, and passes a sequence of
// serialization and deserialization checks.
// serialization and deserialization checks. emptyMsg must be an empty Message
// of the type to be fuzzed, as it is used to determine the appropriate prefix
// bytes and max payload length for decoding.
func wireMsgHarness(t *testing.T, data []byte, emptyMsg Message) {
t.Helper()
@ -58,80 +60,48 @@ func wireMsgHarness(t *testing.T, data []byte, emptyMsg Message) {
func FuzzCreateSessionReply(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := CreateSessionReply{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &CreateSessionReply{})
})
}
func FuzzCreateSession(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := CreateSession{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &CreateSession{})
})
}
func FuzzDeleteSessionReply(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := DeleteSessionReply{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &DeleteSessionReply{})
})
}
func FuzzDeleteSession(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := DeleteSession{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &DeleteSession{})
})
}
func FuzzError(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := Error{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &Error{})
})
}
func FuzzInit(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := Init{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &Init{})
})
}
func FuzzStateUpdateReply(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := StateUpdateReply{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &StateUpdateReply{})
})
}
func FuzzStateUpdate(f *testing.F) {
f.Fuzz(func(t *testing.T, data []byte) {
// Create an empty message so that the FuzzHarness func can
// check if the max payload constraint is violated.
emptyMsg := StateUpdate{}
wireMsgHarness(t, data, &emptyMsg)
wireMsgHarness(t, data, &StateUpdate{})
})
}