Files
integration/luprex/core/cpp/drivertests.cpp

147 lines
4.4 KiB
C++

#include "drivertests.hpp"
#include "drivenengine.hpp"
#include <iomanip>
static void write_closed_message(Channel *ch, StreamBuffer *out) {
std::ostringstream oss;
oss << "Chan " << ch->chid() << " closed [" << ch->error() << "]\n";
out->write_bytes(oss.str());
}
static void dump_lines(StreamBuffer *in, StreamBuffer *out, int chid) {
while (true) {
std::string l = in->readline();
if (l == "") break;
std::ostringstream oss;
oss << "Chan " << chid << ": " << l;
out->write_bytes(oss.str());
}
}
// This test allows input on stdin or on port 8085.
// You can type lines and see them echoed.
class DriverListenTest : public DrivenEngine {
public:
std::vector<UniqueChannel> channels_;
virtual void event_init(int argc, char *argv[]) {
listen_port(8085);
}
virtual void event_update() {
while (true) {
UniqueChannel ch = new_incoming_channel();
if (ch == nullptr) break;
ch->set_readline(true);
channels_.emplace_back(std::move(ch));
}
Channel *stdioch = get_stdio_channel();
dump_lines(stdioch->in(), stdioch->out(), 0);
std::vector<UniqueChannel> keep;
for (UniqueChannel &ch : channels_) {
dump_lines(ch->in(), stdioch->out(), ch->chid());
if (ch->closed()) {
write_closed_message(ch.get(), stdioch->out());
} else {
keep.emplace_back(std::move(ch));
}
}
channels_ = std::move(keep);
}
};
// This test connects to a public webserver and prints
// the output from the server.
class DriverWebServerTest : public DrivenEngine {
public:
std::vector<UniqueChannel> channels_;
virtual void event_init(int argc, char *argv[]) {
UniqueChannel ch = new_outgoing_channel("stanford.edu:80");
ch->out()->write_bytes("GET http://stanford.edu/index.html HTTP/1.1\n\n");
channels_.emplace_back(std::move(ch));
}
virtual void event_update() {
Channel *stdioch = get_stdio_channel();
dump_lines(stdioch->in(), stdioch->out(), 0);
std::vector<UniqueChannel> keep;
for (UniqueChannel &ch : channels_) {
dump_lines(ch->in(), stdioch->out(), ch->chid());
if (ch->closed()) {
write_closed_message(ch.get(), stdioch->out());
} else {
keep.emplace_back(std::move(ch));
}
}
channels_ = std::move(keep);
}
};
// This test produces a DNS resolution failure.
class DriverDNSFailTest : public DrivenEngine {
public:
std::vector<UniqueChannel> channels_;
virtual void event_init(int argc, char *argv[]) {
UniqueChannel ch = new_outgoing_channel("akjsdkajshdakjshd.alk:80");
ch->out()->write_bytes("GET http://stanford.edu/index.html HTTP/1.1\n\n");
channels_.emplace_back(std::move(ch));
}
virtual void event_update() {
Channel *stdioch = get_stdio_channel();
dump_lines(stdioch->in(), stdioch->out(), 0);
std::vector<UniqueChannel> keep;
for (UniqueChannel &ch : channels_) {
dump_lines(ch->in(), stdioch->out(), ch->chid());
if (ch->closed()) {
write_closed_message(ch.get(), stdioch->out());
} else {
keep.emplace_back(std::move(ch));
}
}
channels_ = std::move(keep);
}
};
// This test just prints the time.
class DriverPrintClockTest : public DrivenEngine {
public:
int count_;
double last_clock_;
virtual void event_init(int argc, char *argv[]) {
count_ = 0;
last_clock_ = 0.0;
}
virtual void event_update() {
double clock = get_clock();
if (clock > last_clock_ + 0.5) {
stdostream() << std::fixed << std::setprecision(2) << clock << " ";
count_++;
last_clock_ = clock;
}
if (count_ == 10) {
stdostream() << std::endl;
count_ = 0;
}
}
};
UniqueDrivenEngine make_DriverListenTest() {
return UniqueDrivenEngine(new DriverListenTest);
}
UniqueDrivenEngine make_DriverWebServerTest() {
return UniqueDrivenEngine(new DriverWebServerTest);
}
UniqueDrivenEngine make_DriverDNSFailTest() {
return UniqueDrivenEngine(new DriverDNSFailTest);
}
UniqueDrivenEngine make_DriverPrintClockTest() {
return UniqueDrivenEngine(new DriverPrintClockTest);
}