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/*
* Copyright © 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Thomas Voß <thomas.voss@canonical.com>
*/
#include <core/dbus/dbus.h>
#include <core/dbus/message.h>
#include <gtest/gtest.h>
#include <chrono>
#include <memory>
namespace dbus = core::dbus;
TEST(Message, BuildingAMethodCallMessageSucceedsForValidArguments)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = core::dbus::DBus::path().as_string();
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
std::shared_ptr<core::dbus::Message> msg;
EXPECT_NO_THROW(msg = core::dbus::Message::make_method_call(destination, path, interface, member););
EXPECT_NE(nullptr, msg.get());
}
TEST(Message, BuildingAMethodCallMessageThrowsForInvalidArguments)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = "an:invalid:path";
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
std::shared_ptr<core::dbus::Message> msg;
EXPECT_ANY_THROW(msg = core::dbus::Message::make_method_call(destination, path, interface, member););
EXPECT_EQ(nullptr, msg.get());
}
TEST(Message, AccessingAReaderOnAnEmptyMessageThrows)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = core::dbus::DBus::path().as_string();
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
auto msg = core::dbus::Message::make_method_call(destination, path, interface, member);
EXPECT_ANY_THROW(msg->reader());
}
TEST(Message, AccessingAWriterOnAnyMessageSucceeds)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = core::dbus::DBus::path().as_string();
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
auto msg = core::dbus::Message::make_method_call(
destination,
path,
interface,
member);
EXPECT_NO_THROW(auto writer = msg->writer());
{
msg->writer().push_int16(43);
msg->writer().push_int16(42);
}
EXPECT_NO_THROW(auto writer = msg->writer(););
}
TEST(Message, WriteAndSuccessiveReadAreIdempotent)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = core::dbus::DBus::path().as_string();
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
auto msg = core::dbus::Message::make_method_call(
destination,
path,
interface,
member);
const int32_t expected_integer_value
{
43
};
const double expected_floating_point_value
{
42.
};
{
auto writer = msg->writer();
writer.push_int32(expected_integer_value);
writer.push_floating_point(expected_floating_point_value);
}
auto reader = msg->reader();
auto i = reader.pop_int32();
auto d = reader.pop_floating_point();
EXPECT_EQ(expected_integer_value, i);
EXPECT_EQ(expected_floating_point_value, d);
}
TEST(Message, WriteAndSuccessiveIterationAreIdempotent)
{
const std::string destination = core::dbus::DBus::name();
const std::string path = core::dbus::DBus::path().as_string();
const std::string interface = core::dbus::DBus::name();
const std::string member = "ListNames";
auto msg = core::dbus::Message::make_method_call(
destination,
path,
interface,
member);
const std::int32_t expected_integer_value
{
43
};
const double expected_floating_point_value
{
42.
};
{
auto writer = msg->writer();
writer.push_int32(expected_integer_value);
writer.push_floating_point(expected_floating_point_value);
auto vw = writer.open_variant(dbus::types::Signature("(id)"));
{
auto sw = vw.open_structure();
{
sw.push_int32(expected_integer_value);
sw.push_floating_point(expected_floating_point_value);
}
vw.close_structure(std::move(sw));
}
writer.close_variant(std::move(vw));
}
auto reader = msg->reader();
EXPECT_EQ(dbus::ArgumentType::int32, reader.type());
EXPECT_NO_THROW(reader.pop());
EXPECT_EQ(dbus::ArgumentType::floating_point, reader.type());
EXPECT_NO_THROW(reader.pop());
auto vr = reader.pop_variant();
{
auto sr = vr.pop_structure();
{
EXPECT_EQ(dbus::ArgumentType::int32, sr.type());
EXPECT_EQ(expected_integer_value, sr.pop_int32());
EXPECT_EQ(dbus::ArgumentType::floating_point, sr.type());
EXPECT_EQ(expected_floating_point_value, sr.pop_floating_point());
}
}
}
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