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// NOLINTBEGIN(*)
//
// Created by ingvord on 12/14/16.
//
#include "cxx_common.h"
#undef SUITE_NAME
#define SUITE_NAME ServerEventTestSuite
class ServerEventTestSuite : public CxxTest::TestSuite
{
protected:
DeviceProxy *device1, *device2;
string device1_name, device2_name, device1_instance_name, device2_instance_name, full_ds_name;
DevLong eve_id;
public:
SUITE_NAME() :
device1_instance_name{"test"}, // TODO pass via cl
device2_instance_name{"test2"}
{
//
// Arguments check -------------------------------------------------
//
device1_name = CxxTest::TangoPrinter::get_param("device1");
device2_name = CxxTest::TangoPrinter::get_param("device20");
full_ds_name = CxxTest::TangoPrinter::get_param("fulldsname");
CxxTest::TangoPrinter::validate_args();
//
// Initialization --------------------------------------------------
//
try
{
device1 = new DeviceProxy(device1_name);
device2 = new DeviceProxy(device2_name);
// TODO start server 2 and set fallback point
CxxTest::TangoPrinter::start_server(device2_instance_name);
CxxTest::TangoPrinter::restore_set("test2/debian8/20 started.");
}
catch(std::runtime_error &ex)
{
std::cerr << "start_server failed: \"" << ex.what() << "\"\n";
}
catch(CORBA::Exception &e)
{
Except::print_exception(e);
exit(-1);
}
}
virtual ~SUITE_NAME()
{
if(CxxTest::TangoPrinter::is_restore_set("test2/debian8/20 started."))
{
try
{
CxxTest::TangoPrinter::kill_server();
}
catch(const std::runtime_error &ex)
{
std::cerr << "kill_server failed during teardown: \"" << ex.what() << "\"\n";
}
}
try
{
CxxTest::TangoPrinter::start_server(device1_instance_name);
}
catch(const std::runtime_error &ex)
{
std::cerr << "start_server failed during teardown: \"" << ex.what() << "\"\n";
}
delete device1;
delete device2;
}
static SUITE_NAME *createSuite()
{
return new SUITE_NAME();
}
static void destroySuite(SUITE_NAME *suite)
{
delete suite;
}
//
// Tests -------------------------------------------------------
//
//
// Ask the device server to subscribe to an event
//
void test_device_server_subscribe_to_event(void)
{
TEST_LOG << endl << "new DeviceProxy(" << device1->name() << ") returned" << endl << endl;
vector<string> vs{device2_name, "Short_attr", "periodic"};
DeviceData dd_in, dd_out;
dd_in << vs;
TS_ASSERT_THROWS_NOTHING(dd_out = device1->command_inout("IOSubscribeEvent", dd_in));
dd_out >> eve_id;
}
//
// Wait for event to be executed
//
void test_wait_event(void)
{
std::this_thread::sleep_for(std::chrono::seconds(3));
DeviceData da;
TS_ASSERT_THROWS_NOTHING(da = device1->command_inout("IOGetCbExecuted"));
Tango::DevLong cb;
da >> cb;
TEST_LOG << "cb executed = " << cb << endl;
TS_ASSERT_LESS_THAN_EQUALS(2, cb);
TS_ASSERT_LESS_THAN_EQUALS(cb, 4);
}
//
// Ask server to unsubsribe from event
//
void test_server_unsubscribes_from_event(void)
{
DeviceData dd_un;
dd_un << eve_id;
DeviceData da;
TS_ASSERT_THROWS_NOTHING(device1->command_inout("IOUnSubscribeEvent", dd_un));
TS_ASSERT_THROWS_NOTHING(da = device1->command_inout("IOGetCbExecuted"));
Tango::DevLong cb;
da >> cb;
std::this_thread::sleep_for(std::chrono::seconds(2));
TS_ASSERT_THROWS_NOTHING(da = device1->command_inout("IOGetCbExecuted"));
Tango::DevLong cb2;
da >> cb2;
TS_ASSERT_EQUALS(cb2, cb);
}
/**
* Tests that the client can still receive events after the device server is
* shut down, renamed in the database and then restarted. This scenario used
* to fail as reported in #679.
*/
void test_reconnection_after_ds_instance_rename()
{
const std::string new_instance_name = "renamed_ds";
const std::string old_ds_name = full_ds_name;
size_t exec_part_end = full_ds_name.find("/");
std::string new_ds_name = full_ds_name.substr(0, exec_part_end + 1);
new_ds_name += new_instance_name;
const std::string attribute_name = "event_change_tst";
CountingCallBack<Tango::EventData> callback{};
int subscription{};
TS_ASSERT_THROWS_NOTHING(subscription = device1->subscribe_event(attribute_name, Tango::USER_EVENT, &callback));
TS_ASSERT_THROWS_NOTHING(device1->command_inout("IOPushEvent"));
callback.wait_for([&]() { return callback.invocation_count() >= 2; });
TS_ASSERT_EQUALS(2, callback.invocation_count());
TS_ASSERT_EQUALS(0, callback.error_count());
TS_ASSERT_THROWS_NOTHING(CxxTest::TangoPrinter::kill_server());
Database db{};
db.rename_server(old_ds_name, new_ds_name);
TS_ASSERT_THROWS_NOTHING(CxxTest::TangoPrinter::start_server(new_instance_name));
// std::this_thread::sleep_for(std::chrono::seconds(EVENT_HEARTBEAT_PERIOD)); // Wait for reconnection
callback.wait_for([&]() { return callback.invocation_count() >= 5; });
TS_ASSERT_EQUALS(4, callback.invocation_count());
TS_ASSERT_EQUALS(1, callback.error_count());
TS_ASSERT_THROWS_NOTHING(device1->command_inout("IOPushEvent"));
callback.wait_for([&]() { return callback.invocation_count() >= 6; });
TS_ASSERT_EQUALS(5, callback.invocation_count());
TS_ASSERT_EQUALS(1, callback.error_count());
TS_ASSERT_THROWS_NOTHING(device1->unsubscribe_event(subscription));
db.rename_server(new_ds_name, old_ds_name);
}
};
// NOLINTEND(*)
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