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byte_receiver_test.cpp
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#include "catch/single_include/catch.hpp"
#include "test_utils.hpp"
#include "../include/twisted/byte_receiver.hpp"
#include "../include/twisted/reactor.hpp"
#include <boost/range/algorithm.hpp>
#include <boost/asio/read.hpp>
#include <boost/scope_exit.hpp>
#include <vector>
#include <string>
#include <future>
using boost::asio::ip::tcp;
struct byte_receiver_test : twisted::byte_receiver<byte_receiver_test> {
byte_receiver_test() : byte_receiver(3) {}
void bytes_received(const_buffer_iterator begin, const_buffer_iterator end) {
send_message(begin, end);
}
};
struct byte_receiver_update_test : twisted::byte_receiver<byte_receiver_update_test> {
byte_receiver_update_test() : byte_receiver(2) {}
void bytes_received(const_buffer_iterator begin, const_buffer_iterator end) {
send_message(begin, end);
set_package_size(20);
}
};
struct byte_receiver_decrease_update_test : twisted::byte_receiver<byte_receiver_decrease_update_test> {
byte_receiver_decrease_update_test() : byte_receiver(4) {}
void bytes_received(const_buffer_iterator begin, const_buffer_iterator end) {
send_message(begin, end);
set_package_size(2);
}
};
struct next_packet_test : twisted::byte_receiver<next_packet_test> {
next_packet_test() : byte_receiver(4) {}
void bytes_received(const_buffer_iterator begin, const_buffer_iterator end) {
send_message(begin, end);
set_package_size(2);
auto ret = next_packet();
send_message(ret.begin(), ret.end());
}
};
TEST_CASE("byte_receiver behavior tests",
"[byte_receiver][protocols][behavior]") {
SECTION("perfect match 2 in 1") {
std::vector<std::string> test_data;
test_data.push_back("AAABBB");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("perfect match 3 in 1") {
std::vector<std::string> test_data;
test_data.push_back("A");
test_data.push_back("A");
test_data.push_back("A");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("perfect match 2 on 2") {
std::vector<std::string> test_data;
test_data.push_back("AAA");
test_data.push_back("BBB");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("open match 2 in 1") {
std::vector<std::string> test_data;
test_data.push_back("AAABBBCC");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("open match 2 on 2") {
std::vector<std::string> test_data;
test_data.push_back("AAA");
test_data.push_back("BBB");
test_data.push_back("CC");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("end match 3 on 1") {
std::vector<std::string> test_data;
test_data.push_back("A");
test_data.push_back("B");
test_data.push_back("C");
std::vector<std::string> test_results;
test_results.push_back("ABC");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("no match 2 on 0") {
std::vector<std::string> test_data;
test_data.push_back("A");
test_data.push_back("B");
std::vector<std::string> test_results;
test_results.push_back("");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("even wrap around") {
std::vector<std::string> test_data;
test_data.push_back("AAA");
test_data.push_back("BBB");
test_data.push_back("CCC");
test_data.push_back("DDD");
test_data.push_back("EEE");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test_results.push_back("CCC");
test_results.push_back("DDD");
test_results.push_back("EEE");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("uneven wrap around") {
std::vector<std::string> test_data;
test_data.push_back("AAA");
test_data.push_back("BBB");
test_data.push_back("C");
test_data.push_back("CCD");
test_data.push_back("DDE");
test_data.push_back("EE");
std::vector<std::string> test_results;
test_results.push_back("AAA");
test_results.push_back("BBB");
test_results.push_back("CCC");
test_results.push_back("DDD");
test_results.push_back("EEE");
test::multi_send_and_recv<byte_receiver_test>(test_data, test_results);
}
SECTION("change package size - simple upgrade") {
std::vector<std::string> test_data;
test_data.push_back("AA");
test_data.push_back(std::string(20, 'X'));
std::vector<std::string> test_results;
test_results.push_back("AA");
test_results.push_back(std::string(20, 'X'));
test::multi_send_and_recv<byte_receiver_update_test>(test_data, test_results);
}
SECTION("change package size - simple upgrade one shot") {
std::vector<std::string> test_data;
std::string test_string = std::string(20, 'X');
test_string.insert(0, 2, 'A');
test_data.push_back(test_string);
std::vector<std::string> test_results;
test_results.push_back("AA");
test_results.push_back(std::string(20, 'X'));
test::multi_send_and_recv<byte_receiver_update_test>(test_data, test_results);
}
SECTION("decrease package size - simple upgrade") {
std::vector<std::string> test_data;
test_data.push_back("AAAABBCCDD");
std::vector<std::string> test_results;
test_results.push_back("AAAA");
test_results.push_back("BB");
test_results.push_back("CC");
test_results.push_back("DD");
test::multi_send_and_recv<byte_receiver_decrease_update_test>(test_data, test_results);
}
}
TEST_CASE("next_packet", "[byte_receiver][protocols][behavior][next_packet]") {
std::vector<std::string> test_data;
test_data.push_back("AAAABB");
std::vector<std::string> test_results;
test_results.push_back("AAAA");
test_results.push_back("BB");
test::multi_send_and_recv<next_packet_test>(test_data, test_results);
}