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refactor: add strong types to public API (#414)

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This introduces strong types for `std::string`-based D-Bus types. This facilitates safer, less error-prone and more expressive API.

What previously was `auto proxy = createProxy("org.sdbuscpp.concatenator", "/org/sdbuscpp/concatenator");` is now written like `auto proxy = createProxy(ServiceName{"org.sdbuscpp.concatenator"}, ObjectPath{"/org/sdbuscpp/concatenator"});`.

These types are:
  * `ObjectPath` type for the object path (the type has been around already but now is also used consistently in sdbus-c++ API for object path strings),
  * `InterfaceName` type for D-Bus interface names,
  * `BusName` (and its aliases `ServiceName` and `ConnectionName`) type for bus/service/connection names,
  * `MemberName` (and its aliases `MethodName`, `SignalName` and `PropertyName`) type for D-Bus method, signal and property names,
  * `Signature` type for the D-Bus signature (the type has been around already but now is also used consistently in sdbus-c++ API for signature strings),
  * `Error::Name` type for D-Bus error names.
This commit is contained in:
Stanislav Angelovič
2024-04-24 20:20:29 +02:00
parent fe21ee9656
commit 42f0bd07c0
60 changed files with 1085 additions and 621 deletions
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tests/integrationtests/DBusConnectionTests.cpp
+14 -9
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@@ -51,38 +51,43 @@ TEST(Connection, CanBeDefaultConstructed)
ASSERT_NO_THROW(auto con = sdbus::createBusConnection());
}
TEST(SystemBusConnection, CanRequestRegisteredDbusName)
TEST(Connection, CanRequestName)
{
auto connection = sdbus::createSystemBusConnection();
auto connection = sdbus::createBusConnection();
ASSERT_NO_THROW(connection->requestName(BUS_NAME))
// In case of system bus connection, requesting may throw as we need to allow that first through a config file in /etc/dbus-1/system.d
ASSERT_NO_THROW(connection->requestName(SERVICE_NAME))
<< "Perhaps you've forgotten to copy `org.sdbuscpp.integrationtests.conf` file to `/etc/dbus-1/system.d` directory before running the tests?";
}
TEST(SystemBusConnection, CannotRequestNonregisteredDbusName)
{
auto connection = sdbus::createSystemBusConnection();
ASSERT_THROW(connection->requestName("some.random.not.supported.dbus.name"), sdbus::Error);
sdbus::ServiceName notSupportedBusName{"some.random.not.supported.dbus.name"};
ASSERT_THROW(connection->requestName(notSupportedBusName), sdbus::Error);
}
TEST(Connection, CanReleasedRequestedName)
TEST(Connection, CanReleaseRequestedName)
{
auto connection = sdbus::createBusConnection();
connection->requestName(SERVICE_NAME);
connection->requestName(BUS_NAME);
ASSERT_NO_THROW(connection->releaseName(BUS_NAME));
ASSERT_NO_THROW(connection->releaseName(SERVICE_NAME));
}
TEST(Connection, CannotReleaseNonrequestedName)
{
auto connection = sdbus::createBusConnection();
ASSERT_THROW(connection->releaseName("some.random.nonrequested.name"), sdbus::Error);
sdbus::ServiceName notAcquiredBusName{"some.random.unacquired.name"};
ASSERT_THROW(connection->releaseName(notAcquiredBusName), sdbus::Error);
}
TEST(Connection, CanEnterAndLeaveInternalEventLoop)
{
auto connection = sdbus::createBusConnection();
connection->requestName(BUS_NAME);
connection->requestName(SERVICE_NAME);
std::thread t([&](){ connection->enterEventLoop(); });
connection->leaveEventLoop();