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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/messagebus/testlib/simplemessage.h>
#include <vespa/messagebus/sequencer.h>
#include <vespa/messagebus/routablequeue.h>
#include <vespa/messagebus/emptyreply.h>
#include <vespa/vespalib/testkit/testapp.h>
#include <cinttypes>
#include <vespa/log/log.h>
LOG_SETUP("sequencer_test");
using namespace mbus;
// --------------------------------------------------------------------------------
//
// Setup.
//
// --------------------------------------------------------------------------------
struct MyQueue : public RoutableQueue {
virtual ~MyQueue() {
while (size() > 0) {
Routable::UP obj = dequeue();
obj->getCallStack().discard();
}
}
bool checkReply(bool hasSeqId, uint64_t seqId) {
if (size() == 0) {
LOG(error, "checkReply(): No reply in queue.");
return false;
}
Routable::UP obj = dequeue();
if (!obj->isReply()) {
LOG(error, "checkReply(): Got message when expecting reply.");
return false;
}
Reply::UP reply(static_cast<Reply*>(obj.release()));
Message::UP msg = reply->getMessage();
if ( ! msg) {
LOG(error, "checkReply(): Reply has no message attached.");
return false;
}
if (hasSeqId) {
if (!msg->hasSequenceId()) {
LOG(error, "checkReply(): Expected sequence id %" PRIu64 ", got none.",
seqId);
return false;
}
if (msg->getSequenceId() != seqId) {
LOG(error, "checkReply(): Expected sequence id %" PRIu64 ", got %" PRIu64 ".",
seqId, msg->getSequenceId());
return false;
}
} else {
if (msg->hasSequenceId()) {
LOG(error, "checkReply(): Message has unexpected sequence id %" PRIu64 ".",
msg->getSequenceId());
return false;
}
}
return true;
}
void replyNext() {
Routable::UP obj = dequeue();
Message::UP msg(static_cast<Message*>(obj.release()));
Reply::UP reply(new EmptyReply());
reply->swapState(*msg);
reply->setMessage(std::move(msg));
IReplyHandler &handler = reply->getCallStack().pop(*reply);
handler.handleReply(std::move(reply));
}
Message::UP createMessage(bool hasSeqId, uint64_t seqId) {
Message::UP ret(new SimpleMessage("foo", hasSeqId, seqId));
ret->pushHandler(*this);
return ret;
}
};
class Test : public vespalib::TestApp {
private:
void testSyncNone();
void testSyncId();
public:
int Main() override {
TEST_INIT("sequencer_test");
testSyncNone(); TEST_FLUSH();
testSyncId(); TEST_FLUSH();
TEST_DONE();
}
};
TEST_APPHOOK(Test);
// --------------------------------------------------------------------------------
//
// Tests.
//
// --------------------------------------------------------------------------------
void
Test::testSyncNone()
{
MyQueue src;
MyQueue dst;
Sequencer seq(dst);
seq.handleMessage(src.createMessage(false, 0));
seq.handleMessage(src.createMessage(false, 0));
seq.handleMessage(src.createMessage(false, 0));
seq.handleMessage(src.createMessage(false, 0));
seq.handleMessage(src.createMessage(false, 0));
EXPECT_EQUAL(0u, src.size());
EXPECT_EQUAL(5u, dst.size());
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
EXPECT_EQUAL(5u, src.size());
EXPECT_EQUAL(0u, dst.size());
EXPECT_TRUE(src.checkReply(false, 0));
EXPECT_TRUE(src.checkReply(false, 0));
EXPECT_TRUE(src.checkReply(false, 0));
EXPECT_TRUE(src.checkReply(false, 0));
EXPECT_TRUE(src.checkReply(false, 0));
EXPECT_EQUAL(0u, src.size());
EXPECT_EQUAL(0u, dst.size());
}
void
Test::testSyncId()
{
MyQueue src;
MyQueue dst;
Sequencer seq(dst);
seq.handleMessage(src.createMessage(true, 1));
seq.handleMessage(src.createMessage(true, 2));
seq.handleMessage(src.createMessage(true, 3));
seq.handleMessage(src.createMessage(true, 4));
seq.handleMessage(src.createMessage(true, 5));
EXPECT_EQUAL(0u, src.size());
EXPECT_EQUAL(5u, dst.size());
seq.handleMessage(src.createMessage(true, 1));
seq.handleMessage(src.createMessage(true, 5));
seq.handleMessage(src.createMessage(true, 2));
seq.handleMessage(src.createMessage(true, 10));
seq.handleMessage(src.createMessage(true, 4));
seq.handleMessage(src.createMessage(true, 3));
EXPECT_EQUAL(0u, src.size());
EXPECT_EQUAL(6u, dst.size());
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
EXPECT_EQUAL(5u, src.size());
EXPECT_EQUAL(6u, dst.size());
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
dst.replyNext();
EXPECT_EQUAL(11u, src.size());
EXPECT_EQUAL(0u, dst.size());
EXPECT_TRUE(src.checkReply(true, 1));
EXPECT_TRUE(src.checkReply(true, 2));
EXPECT_TRUE(src.checkReply(true, 3));
EXPECT_TRUE(src.checkReply(true, 4));
EXPECT_TRUE(src.checkReply(true, 5));
EXPECT_TRUE(src.checkReply(true, 10));
EXPECT_TRUE(src.checkReply(true, 1));
EXPECT_TRUE(src.checkReply(true, 2));
EXPECT_TRUE(src.checkReply(true, 3));
EXPECT_TRUE(src.checkReply(true, 4));
EXPECT_TRUE(src.checkReply(true, 5));
EXPECT_EQUAL(0u, src.size());
EXPECT_EQUAL(0u, dst.size());
}
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