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#include <tango/tango.h>
#include <memory>
#include <cmath>
#include <catch2/matchers/catch_matchers_floating_point.hpp>
#include "catch2_common.h"
constexpr static Tango::DevDouble ATTR_INIT_VALUE = 0.0;
static const Tango::DevDouble ATTR_NAN_VALUE = std::nan("nan");
// Test device class for Tango::DevDouble
template <class Base>
class ChangeEventOnNanDev_Double : public Base
{
public:
using Base::Base;
~ChangeEventOnNanDev_Double() override { }
void init_device() override
{
attr_abs_value = ATTR_INIT_VALUE;
attr_rel_value = ATTR_INIT_VALUE;
}
void set_abs_nan()
{
attr_abs_value = ATTR_NAN_VALUE;
}
void set_rel_nan()
{
attr_rel_value = ATTR_NAN_VALUE;
}
void unset_abs_nan()
{
attr_abs_value = ATTR_INIT_VALUE;
}
void unset_rel_nan()
{
attr_rel_value = ATTR_INIT_VALUE;
}
void read_abs(Tango::Attribute &att)
{
att.set_value_date_quality(&attr_abs_value, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
void read_rel(Tango::Attribute &att)
{
att.set_value_date_quality(&attr_rel_value, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
static void attribute_factory(std::vector<Tango::Attr *> &attrs)
{
// attribute with absolute change
auto attr_abs = new TangoTest::AutoAttr<&ChangeEventOnNanDev_Double::read_abs>("attr_abs", Tango::DEV_DOUBLE);
Tango::UserDefaultAttrProp abs_props;
abs_props.set_event_abs_change("0.01");
attr_abs->set_default_properties(abs_props);
attr_abs->set_polling_period(100);
attrs.push_back(attr_abs);
// attribute with relative change
auto attr_rel = new TangoTest::AutoAttr<&ChangeEventOnNanDev_Double::read_rel>("attr_rel", Tango::DEV_DOUBLE);
Tango::UserDefaultAttrProp rel_props;
rel_props.set_event_rel_change("0.01");
attr_rel->set_default_properties(rel_props);
attr_rel->set_polling_period(100);
attrs.push_back(attr_rel);
}
static void command_factory(std::vector<Tango::Command *> &cmds)
{
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Double::set_abs_nan>("set_abs_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Double::unset_abs_nan>("unset_abs_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Double::set_rel_nan>("set_rel_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Double::unset_rel_nan>("unset_rel_nan"));
}
private:
Tango::DevDouble attr_abs_value;
Tango::DevDouble attr_rel_value;
};
// Test device class for Tango::DevFloat
template <class Base>
class ChangeEventOnNanDev_Float : public Base
{
public:
using Base::Base;
~ChangeEventOnNanDev_Float() override { }
void init_device() override
{
attr_abs_value = ATTR_INIT_VALUE;
attr_rel_value = ATTR_INIT_VALUE;
}
void set_abs_nan()
{
attr_abs_value = ATTR_NAN_VALUE;
}
void set_rel_nan()
{
attr_rel_value = ATTR_NAN_VALUE;
}
void unset_abs_nan()
{
attr_abs_value = ATTR_INIT_VALUE;
}
void unset_rel_nan()
{
attr_rel_value = ATTR_INIT_VALUE;
}
void read_abs(Tango::Attribute &att)
{
att.set_value_date_quality(&attr_abs_value, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
void read_rel(Tango::Attribute &att)
{
att.set_value_date_quality(&attr_rel_value, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
static void attribute_factory(std::vector<Tango::Attr *> &attrs)
{
// attribute with absolute change
auto attr_abs = new TangoTest::AutoAttr<&ChangeEventOnNanDev_Float::read_abs>("attr_abs", Tango::DEV_FLOAT);
Tango::UserDefaultAttrProp abs_props;
abs_props.set_event_abs_change("0.01");
attr_abs->set_default_properties(abs_props);
attr_abs->set_polling_period(100);
attrs.push_back(attr_abs);
// attribute with relative change
auto attr_rel = new TangoTest::AutoAttr<&ChangeEventOnNanDev_Float::read_rel>("attr_rel", Tango::DEV_FLOAT);
Tango::UserDefaultAttrProp rel_props;
rel_props.set_event_rel_change("0.01");
attr_rel->set_default_properties(rel_props);
attr_rel->set_polling_period(100);
attrs.push_back(attr_rel);
}
static void command_factory(std::vector<Tango::Command *> &cmds)
{
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Float::set_abs_nan>("set_abs_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Float::unset_abs_nan>("unset_abs_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Float::set_rel_nan>("set_rel_nan"));
cmds.push_back(new TangoTest::AutoCommand<&ChangeEventOnNanDev_Float::unset_rel_nan>("unset_rel_nan"));
}
private:
Tango::DevFloat attr_abs_value;
Tango::DevFloat attr_rel_value;
};
TANGO_TEST_AUTO_DEV_TMPL_INSTANTIATE(ChangeEventOnNanDev_Double, 4)
SCENARIO("Change events for DevDouble are generated on NaN with absolute change")
{
int idlver = GENERATE(TangoTest::idlversion(4));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"change_event_on_nan", "ChangeEventOnNanDev_Double", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("a polled attribute with absolute change")
{
std::string att{"attr_abs"};
REQUIRE(device->is_attribute_polled(att));
AND_GIVEN("a change event subscription")
{
TangoTest::CallbackMock<Tango::EventData> callback;
REQUIRE_NOTHROW(device->subscribe_event(att, Tango::CHANGE_EVENT, &callback));
THEN("we receive some events with the initial value")
{
using Catch::Matchers::IsNaN;
using Catch::Matchers::WithinAbs;
using TangoTest::AnyLikeMatches;
// We get the following two initial events (the fact there
// are two is a side effect of the fix for #369):
//
// 1. In `subscribe_event` we do a `read_attribute` to
// generate the first event
// 2. Because we are the first subscriber to `"attr"`, the
// polling loop starts and sends an event because it is the
// first time it has read the attribute
auto maybe_initial_event = callback.pop_next_event();
REQUIRE(maybe_initial_event.has_value());
REQUIRE(!maybe_initial_event->err);
REQUIRE(maybe_initial_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_initial_event->attr_value,
AnyLikeMatches(WithinAbs(ATTR_INIT_VALUE, 0.0000001)));
maybe_initial_event = callback.pop_next_event();
WHEN("we set the attribute value to NaN")
{
REQUIRE_NOTHROW(device->command_inout("set_abs_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value, AnyLikeMatches(IsNaN()));
AND_WHEN("we unset the attribute value from NaN")
{
REQUIRE_NOTHROW(device->command_inout("unset_abs_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value,
AnyLikeMatches(WithinAbs(ATTR_INIT_VALUE, 0.0000001)));
}
}
}
}
}
}
}
}
}
SCENARIO("Change events for DevDouble are generated on NaN with relative change")
{
int idlver = GENERATE(TangoTest::idlversion(4));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"change_event_on_nan", "ChangeEventOnNanDev_Double", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("a polled attribute with relative change")
{
std::string att{"attr_rel"};
REQUIRE(device->is_attribute_polled(att));
AND_GIVEN("a change event subscription")
{
TangoTest::CallbackMock<Tango::EventData> callback;
REQUIRE_NOTHROW(device->subscribe_event(att, Tango::CHANGE_EVENT, &callback));
THEN("we receive some events with the initial value")
{
using Catch::Matchers::IsNaN;
using Catch::Matchers::WithinAbs;
using TangoTest::AnyLikeMatches;
// We get the following two initial events (the fact there
// are two is a side effect of the fix for #369):
//
// 1. In `subscribe_event` we do a `read_attribute` to
// generate the first event
// 2. Because we are the first subscriber to `"attr"`, the
// polling loop starts and sends an event because it is the
// first time it has read the attribute
auto maybe_initial_event = callback.pop_next_event();
REQUIRE(maybe_initial_event.has_value());
REQUIRE(!maybe_initial_event->err);
REQUIRE(maybe_initial_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_initial_event->attr_value,
AnyLikeMatches(WithinAbs(ATTR_INIT_VALUE, 0.0000001)));
maybe_initial_event = callback.pop_next_event();
WHEN("we set the attribute value to NaN")
{
REQUIRE_NOTHROW(device->command_inout("set_rel_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value, AnyLikeMatches(IsNaN()));
AND_WHEN("we unset the attribute value from NaN")
{
REQUIRE_NOTHROW(device->command_inout("unset_rel_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value,
AnyLikeMatches(WithinAbs(ATTR_INIT_VALUE, 0.0000001)));
}
}
}
}
}
}
}
}
}
TANGO_TEST_AUTO_DEV_TMPL_INSTANTIATE(ChangeEventOnNanDev_Float, 4)
SCENARIO("Change events for DevFloat are generated on NaN with absolute change")
{
int idlver = GENERATE(TangoTest::idlversion(4));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"change_event_on_nan", "ChangeEventOnNanDev_Float", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("a polled attribute with absolute change")
{
std::string att{"attr_abs"};
REQUIRE(device->is_attribute_polled(att));
AND_GIVEN("a change event subscription")
{
TangoTest::CallbackMock<Tango::EventData> callback;
REQUIRE_NOTHROW(device->subscribe_event(att, Tango::CHANGE_EVENT, &callback));
THEN("we receive some events with the initial value")
{
using Catch::Matchers::IsNaN;
using Catch::Matchers::WithinAbs;
using TangoTest::AnyLikeMatches;
// We get the following two initial events (the fact there
// are two is a side effect of the fix for #369):
//
// 1. In `subscribe_event` we do a `read_attribute` to
// generate the first event
// 2. Because we are the first subscriber to `"attr"`, the
// polling loop starts and sends an event because it is the
// first time it has read the attribute
auto maybe_initial_event = callback.pop_next_event();
REQUIRE(maybe_initial_event.has_value());
REQUIRE(!maybe_initial_event->err);
REQUIRE(maybe_initial_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_initial_event->attr_value,
AnyLikeMatches<float>(WithinAbs(ATTR_INIT_VALUE, 0.0000001f)));
maybe_initial_event = callback.pop_next_event();
WHEN("we set the attribute value to NaN")
{
REQUIRE_NOTHROW(device->command_inout("set_abs_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value, AnyLikeMatches<float>(IsNaN()));
AND_WHEN("we unset the attribute value from NaN")
{
REQUIRE_NOTHROW(device->command_inout("unset_abs_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value,
AnyLikeMatches<float>(WithinAbs(ATTR_INIT_VALUE, 0.0000001f)));
}
}
}
}
}
}
}
}
}
SCENARIO("Change events for DevFloat are generated on NaN with relative change")
{
int idlver = GENERATE(TangoTest::idlversion(4));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"change_event_on_nan", "ChangeEventOnNanDev_Float", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("a polled attribute with relative change")
{
std::string att{"attr_rel"};
REQUIRE(device->is_attribute_polled(att));
AND_GIVEN("a change event subscription")
{
TangoTest::CallbackMock<Tango::EventData> callback;
REQUIRE_NOTHROW(device->subscribe_event(att, Tango::CHANGE_EVENT, &callback));
THEN("we receive some events with the initial value")
{
using Catch::Matchers::IsNaN;
using Catch::Matchers::WithinAbs;
using TangoTest::AnyLikeMatches;
// We get the following two initial events (the fact there
// are two is a side effect of the fix for #369):
//
// 1. In `subscribe_event` we do a `read_attribute` to
// generate the first event
// 2. Because we are the first subscriber to `"attr"`, the
// polling loop starts and sends an event because it is the
// first time it has read the attribute
auto maybe_initial_event = callback.pop_next_event();
REQUIRE(maybe_initial_event.has_value());
REQUIRE(!maybe_initial_event->err);
REQUIRE(maybe_initial_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_initial_event->attr_value,
AnyLikeMatches<float>(WithinAbs(ATTR_INIT_VALUE, 0.0000001f)));
maybe_initial_event = callback.pop_next_event();
WHEN("we set the attribute value to NaN")
{
REQUIRE_NOTHROW(device->command_inout("set_rel_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value, AnyLikeMatches<float>(IsNaN()));
AND_WHEN("we unset the attribute value from NaN")
{
REQUIRE_NOTHROW(device->command_inout("unset_rel_nan"));
THEN("a change event is generated")
{
auto maybe_new_event = callback.pop_next_event();
REQUIRE(maybe_new_event.has_value());
REQUIRE(!maybe_new_event->err);
REQUIRE(maybe_new_event->attr_value != nullptr);
REQUIRE_THAT(*maybe_new_event->attr_value,
AnyLikeMatches<float>(WithinAbs(ATTR_INIT_VALUE, 0.0000001f)));
}
}
}
}
}
}
}
}
}
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