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Copy pathtest_typed_spawn.cpp
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354 lines (309 loc) · 10.6 KB
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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright (C) 2011 - 2015 *
* Dominik Charousset <dominik.charousset (at) haw-hamburg.de> *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#include "caf/string_algorithms.hpp"
#include "caf/all.hpp"
#include "test.hpp"
using namespace std;
using namespace caf;
namespace {
/******************************************************************************
* simple request/response test *
******************************************************************************/
struct my_request {
int a;
int b;
};
using server_type = typed_actor<replies_to<my_request>::with<bool>>;
bool operator==(const my_request& lhs, const my_request& rhs) {
return lhs.a == rhs.a && lhs.b == rhs.b;
}
server_type::behavior_type typed_server1() {
return {
[](const my_request& req) {
return req.a == req.b;
}
};
}
server_type::behavior_type typed_server2(server_type::pointer) {
return typed_server1();
}
class typed_server3 : public server_type::base {
public:
typed_server3(const string& line, actor buddy) { send(buddy, line); }
behavior_type make_behavior() override { return typed_server2(this); }
};
void client(event_based_actor* self, actor parent, server_type serv) {
self->sync_send(serv, my_request{0, 0}).then(
[=](bool val1) {
CAF_CHECK_EQUAL(val1, true);
self->sync_send(serv, my_request{10, 20}).then(
[=](bool val2) {
CAF_CHECK_EQUAL(val2, false);
self->send(parent, passed_atom::value);
}
);
}
);
}
void test_typed_spawn(server_type ts) {
scoped_actor self;
self->send(ts, my_request{1, 2});
self->receive(
[](bool value) {
CAF_CHECK_EQUAL(value, false);
}
);
self->send(ts, my_request{42, 42});
self->receive(
[](bool value) {
CAF_CHECK_EQUAL(value, true);
}
);
self->sync_send(ts, my_request{10, 20}).await(
[](bool value) {
CAF_CHECK_EQUAL(value, false);
}
);
self->sync_send(ts, my_request{0, 0}).await(
[](bool value) {
CAF_CHECK_EQUAL(value, true);
}
);
self->spawn<monitored>(client, self, ts);
self->receive(
[](passed_atom) {
CAF_CHECKPOINT();
}
);
self->receive(
[](const down_msg& dmsg) {
CAF_CHECK_EQUAL(dmsg.reason, exit_reason::normal);
}
);
self->send_exit(ts, exit_reason::user_shutdown);
}
/******************************************************************************
* test skipping of messages intentionally + using become() *
******************************************************************************/
struct get_state_msg {};
using event_testee_type = typed_actor<replies_to<get_state_msg>::with<string>,
replies_to<string>::with<void>,
replies_to<float>::with<void>,
replies_to<int>::with<int>>;
class event_testee : public event_testee_type::base {
public:
behavior_type wait4string() {
return {on<get_state_msg>() >> [] { return "wait4string"; },
on<string>() >> [=] { become(wait4int()); },
(on<float>() || on<int>()) >> skip_message};
}
behavior_type wait4int() {
return {
on<get_state_msg>() >> [] { return "wait4int"; },
on<int>() >> [=]()->int {become(wait4float());
return 42;
},
(on<float>() || on<string>()) >> skip_message
};
}
behavior_type wait4float() {
return {
on<get_state_msg>() >> [] {
return "wait4float";
},
on<float>() >> [=] { become(wait4string()); },
(on<string>() || on<int>()) >> skip_message};
}
behavior_type make_behavior() override {
return wait4int();
}
};
void test_event_testee() {
scoped_actor self;
auto et = self->spawn_typed<event_testee>();
string result;
self->send(et, 1);
self->send(et, 2);
self->send(et, 3);
self->send(et, .1f);
self->send(et, "hello event testee!");
self->send(et, .2f);
self->send(et, .3f);
self->send(et, "hello again event testee!");
self->send(et, "goodbye event testee!");
typed_actor<replies_to<get_state_msg>::with<string>> sub_et = et;
// $:: is the anonymous namespace
set<string> iface{"caf::replies_to<get_state_msg>::with<@str>",
"caf::replies_to<@str>::with<void>",
"caf::replies_to<float>::with<void>",
"caf::replies_to<@i32>::with<@i32>"};
CAF_CHECK_EQUAL(join(sub_et->message_types(), ","), join(iface, ","));
self->send(sub_et, get_state_msg{});
// we expect three 42s
int i = 0;
self->receive_for(i, 3)([](int value) { CAF_CHECK_EQUAL(value, 42); });
self->receive(
[&](const string& str) {
result = str;
},
after(chrono::minutes(1)) >> [&] {
CAF_PRINTERR("event_testee does not reply");
throw runtime_error("event_testee does not reply");
}
);
self->send_exit(et, exit_reason::user_shutdown);
self->await_all_other_actors_done();
CAF_CHECK_EQUAL(result, "wait4int");
}
/******************************************************************************
* simple 'forwarding' chain *
******************************************************************************/
using string_actor = typed_actor<replies_to<string>::with<string>>;
void simple_relay(string_actor::pointer self, string_actor master, bool leaf) {
string_actor next =
leaf ? spawn_typed(simple_relay, master, false) : master;
self->link_to(next);
self->become(
[=](const string& str) {
return self->sync_send(next, str).then(
[](const string & answer)->string {
return answer;
}
);
});
}
string_actor::behavior_type simple_string_reverter() {
return {
[](const string& str) {
return string{str.rbegin(), str.rend()};
}
};
}
void test_simple_string_reverter() {
scoped_actor self;
// actor-under-test
auto aut = self->spawn_typed<monitored>(simple_relay,
spawn_typed(simple_string_reverter),
true);
set<string> iface{"caf::replies_to<@str>::with<@str>"};
CAF_CHECK(aut->message_types() == iface);
self->sync_send(aut, "Hello World!").await([](const string& answer) {
CAF_CHECK_EQUAL(answer, "!dlroW olleH");
});
anon_send_exit(aut, exit_reason::user_shutdown);
}
/******************************************************************************
* sending typed actor handles *
******************************************************************************/
using int_actor = typed_actor<replies_to<int>::with<int>>;
int_actor::behavior_type int_fun() {
return {on_arg_match >> [](int i) { return i * i; }};
}
behavior foo(event_based_actor* self) {
return {
on_arg_match >> [=](int i, int_actor server) {
return self->sync_send(server, i).then([=](int result) -> int {
self->quit(exit_reason::normal);
return result;
});
}
};
}
void test_sending_typed_actors() {
scoped_actor self;
auto aut = spawn_typed(int_fun);
self->send(spawn(foo), 10, aut);
self->receive(on_arg_match >> [](int i) { CAF_CHECK_EQUAL(i, 100); });
self->send_exit(aut, exit_reason::user_shutdown);
}
int_actor::behavior_type int_fun2(int_actor::pointer self) {
self->trap_exit(true);
return {
[=](int i) {
self->monitor(self->current_sender());
return i * i;
},
[=](const down_msg& dm) {
CAF_CHECK_EQUAL(dm.reason, exit_reason::normal);
self->quit();
},
[=](const exit_msg&) {
CAF_UNEXPECTED_MSG(self);
}
};
}
behavior foo2(event_based_actor* self) {
return {
[=](int i, int_actor server) {
return self->sync_send(server, i).then([=](int result) -> int {
self->quit(exit_reason::normal);
return result;
});
}
};
}
void test_sending_typed_actors_and_down_msg() {
scoped_actor self;
auto aut = spawn_typed(int_fun2);
self->send(spawn(foo2), 10, aut);
self->receive([](int i) { CAF_CHECK_EQUAL(i, 100); });
}
} // namespace <anonymous>
/******************************************************************************
* put it all together *
******************************************************************************/
int main() {
CAF_TEST(test_typed_spawn);
// announce stuff
announce<get_state_msg>("get_state_msg");
announce<int_actor>("int_actor");
announce<my_request>("my_request", &my_request::a, &my_request::b);
// run test series with typed_server(1|2)
test_typed_spawn(spawn_typed(typed_server1));
await_all_actors_done();
CAF_CHECKPOINT();
test_typed_spawn(spawn_typed(typed_server2));
await_all_actors_done();
CAF_CHECKPOINT();
{
scoped_actor self;
test_typed_spawn(spawn_typed<typed_server3>("hi there", self));
self->receive(on("hi there") >> CAF_CHECKPOINT_CB());
}
await_all_actors_done();
CAF_CHECKPOINT();
// run test series with event_testee
test_event_testee();
await_all_actors_done();
CAF_CHECKPOINT();
// run test series with string reverter
test_simple_string_reverter();
await_all_actors_done();
CAF_CHECKPOINT();
// run test series with sending of typed actors
test_sending_typed_actors();
await_all_actors_done();
CAF_CHECKPOINT();
// and again plus check whether typed actors can handle system messages
test_sending_typed_actors_and_down_msg();
await_all_actors_done();
CAF_CHECKPOINT();
shutdown();
return CAF_TEST_RESULT();
}
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