[2/2] support/testing: add python-dbus-next test

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
---
 DEVELOPERS                                    |  2 +
 .../tests/package/sample_python_dbus_next.py  | 44 +++++++++++++++++++
 .../tests/package/test_python_dbus_next.py    | 40 +++++++++++++++++
 3 files changed, 86 insertions(+)
 create mode 100644 support/testing/tests/package/sample_python_dbus_next.py
 create mode 100644 support/testing/tests/package/test_python_dbus_next.py

Marcin, All,

On 2021-05-09 10:09 +0200, Marcin Niestroj spake thusly:
> Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>

Applied to next, thanks for providing this runtime test! :-)

Regards,
Yann E. MORIN.

> ---
>  DEVELOPERS                                    |  2 +
>  .../tests/package/sample_python_dbus_next.py  | 44 +++++++++++++++++++
>  .../tests/package/test_python_dbus_next.py    | 40 +++++++++++++++++
>  3 files changed, 86 insertions(+)
>  create mode 100644 support/testing/tests/package/sample_python_dbus_next.py
>  create mode 100644 support/testing/tests/package/test_python_dbus_next.py
> 
> diff --git a/DEVELOPERS b/DEVELOPERS
> index 610fd37e06..b5270e1c7d 100644
> --- a/DEVELOPERS
> +++ b/DEVELOPERS
> @@ -1652,9 +1652,11 @@ F:	package/python-typing-extensions/
>  F:	package/python-xmodem/
>  F:	package/rs485conf/
>  F:	package/turbolua/
> +F:	support/testing/tests/package/sample_python_dbus_next.py
>  F:	support/testing/tests/package/sample_python_pytest.py
>  F:	support/testing/tests/package/sample_python_pytest_asyncio.py
>  F:	support/testing/tests/package/test_netdata.py
> +F:	support/testing/tests/package/test_python_dbus_next.py
>  F:	support/testing/tests/package/test_python_pytest.py
>  F:	support/testing/tests/package/test_python_pytest_asyncio.py
>  
> diff --git a/support/testing/tests/package/sample_python_dbus_next.py b/support/testing/tests/package/sample_python_dbus_next.py
> new file mode 100644
> index 0000000000..1fcb76f45a
> --- /dev/null
> +++ b/support/testing/tests/package/sample_python_dbus_next.py
> @@ -0,0 +1,44 @@
> +import asyncio
> +from dbus_next.aio import MessageBus
> +from dbus_next.service import ServiceInterface, method
> +import dbus_next.introspection as intr
> +from dbus_next import BusType
> +
> +
> +class SampleInterface(ServiceInterface):
> +    def __init__(self):
> +        super().__init__('test.interface')
> +
> +    @method()
> +    def Ping(self):
> +        pass
> +
> +    @method()
> +    def ConcatStrings(self, what1: 's', what2: 's') -> 's':
> +        return what1 + what2
> +
> +
> +async def main():
> +    bus_name = 'dbus.next.sample'
> +
> +    bus = await MessageBus(bus_type=BusType.SYSTEM).connect()
> +    bus2 = await MessageBus(bus_type=BusType.SYSTEM).connect()
> +
> +    await bus.request_name(bus_name)
> +
> +    service_interface = SampleInterface()
> +    bus.export('/test/path', service_interface)
> +
> +    introspection = await bus2.introspect(bus_name, '/test/path')
> +    assert type(introspection) is intr.Node
> +    obj = bus2.get_proxy_object(bus_name, '/test/path', introspection)
> +    interface = obj.get_interface(service_interface.name)
> +
> +    result = await interface.call_ping()
> +    assert result is None
> +
> +    result = await interface.call_concat_strings('hello ', 'world')
> +    assert result == 'hello world'
> +
> +
> +asyncio.run(main())
> diff --git a/support/testing/tests/package/test_python_dbus_next.py b/support/testing/tests/package/test_python_dbus_next.py
> new file mode 100644
> index 0000000000..3c597ad198
> --- /dev/null
> +++ b/support/testing/tests/package/test_python_dbus_next.py
> @@ -0,0 +1,40 @@
> +import textwrap
> +
> +
> +from tests.package.test_python import TestPythonPackageBase
> +
> +
> +class TestPythonPy3DBusNext(TestPythonPackageBase):
> +    __test__ = True
> +    config = TestPythonPackageBase.config + \
> +        """
> +        BR2_PACKAGE_DBUS=y
> +        BR2_PACKAGE_PYTHON3=y
> +        BR2_PACKAGE_PYTHON_DBUS_NEXT=y
> +        """
> +    sample_scripts = ["tests/package/sample_python_dbus_next.py"]
> +
> +    def run_sample_scripts(self):
> +        config = \
> +            """
> +            <!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
> +             "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
> +            <busconfig>
> +              <policy user="root">
> +                <allow own="dbus.next.sample"/>
> +                <allow send_destination="dbus.next.sample"/>
> +              </policy>
> +            </busconfig>
> +            """
> +        config = textwrap.dedent(config)
> +        config_dir = "/etc/dbus-1/system.d"
> +        config_fn = "dbus.next.sample.conf"
> +
> +        # Setup and reload D-Bus configuration
> +        self.emulator.run("mkdir -p " + config_dir)
> +        self.emulator.run("cat > " + config_dir + "/" + config_fn +
> +                          " <<EOF" + config + "EOF")
> +        self.emulator.run("killall -SIGHUP dbus-daemon")
> +
> +        # Run test scripts
> +        super().run_sample_scripts()
> -- 
> 2.31.1
> 
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