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#include "catch2_common.h"
static constexpr double SERVER_VALUE = 8.888;
template <class Base>
class AttrManipDev : public Base
{
public:
using Base::Base;
~AttrManipDev() override { }
void init_device() override { }
void read_attribute(Tango::Attribute &att)
{
attr_dq_double = SERVER_VALUE;
att.set_value_date_quality(&attr_dq_double, std::chrono::system_clock::now(), Tango::ATTR_VALID);
}
static void attribute_factory(std::vector<Tango::Attr *> &attrs)
{
attrs.push_back(new TangoTest::AutoAttr<&AttrManipDev::read_attribute>("attr_dq_db", Tango::DEV_DOUBLE));
}
private:
Tango::DevDouble attr_dq_double;
};
TANGO_TEST_AUTO_DEV_TMPL_INSTANTIATE(AttrManipDev, 3)
SCENARIO("attribute formatting can be controlled")
{
int idlver = GENERATE(TangoTest::idlversion(3));
GIVEN("a device proxy to a simple IDLv" << idlver << " device")
{
TangoTest::Context ctx{"attr_manip", "AttrManipDev", idlver};
auto device = ctx.get_proxy();
REQUIRE(idlver == device->get_idl_version());
AND_GIVEN("an attribute name and configuration")
{
std::string att{"attr_dq_db"};
Tango::AttributeInfo sta_ai;
REQUIRE_NOTHROW(sta_ai = device->get_attribute_config(att));
WHEN("we read the attribute")
{
Tango::DeviceAttribute da;
REQUIRE_NOTHROW(da = device->read_attribute(att));
THEN("the read value matches the value on the server")
{
double att_value;
da >> att_value;
REQUIRE(att_value == SERVER_VALUE);
}
}
struct TestData
{
const char *name;
const char *format;
const char *expected;
};
auto data = GENERATE((TestData{"scientfic", "scientific;uppercase;setprecision(2)", "8.89E+00"}),
(TestData{"fixed-width", "fixed;setprecision(2)", "8.89"}));
AND_GIVEN("a " << data.name << " format specification")
{
std::string format{data.format};
WHEN("we set the attribute configuration with the format")
{
Tango::AttributeInfoList new_ai;
new_ai.push_back(sta_ai);
new_ai[0].format = format;
REQUIRE_NOTHROW(device->set_attribute_config(new_ai));
THEN("the format read back matches")
{
Tango::AttributeInfo sta_ai_2;
REQUIRE_NOTHROW(sta_ai_2 = device->get_attribute_config(att));
REQUIRE(sta_ai_2.format == format);
}
}
WHEN("we format a value")
{
std::stringstream out;
REQUIRE_NOTHROW(out << Tango::AttrManip(format) << SERVER_VALUE);
THEN("the rendered string is in " << data.name << " notation")
{
REQUIRE(out.str() == data.expected);
}
}
}
}
}
}
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