Esempio n. 1
0
def test_Registry():
    """
    Test the `ipalib.plugable.Registry` class
    """
    class Base1(object):
        pass
    class Base2(object):
        pass


    class plugin1(Base1):
        pass
    class plugin2(Base2):
        pass

    # Test creation of Registry:
    r = plugable.Registry()

    # Check that TypeError is raised trying to register something that isn't
    # a class:
    p = plugin1()
    e = raises(TypeError, r(), p)
    assert str(e) == 'plugin must be callable; got %r' % p

    # Check that registration works
    r()(plugin1)

    # Check that DuplicateError is raised trying to register exact class
    # again:
    e = raises(errors.PluginDuplicateError, r(), plugin1)
    assert e.plugin is plugin1

    # Check that overriding works
    class base1_extended(Base1):
        pass
    class plugin1(base1_extended):  # pylint: disable=function-redefined
        pass
    r(override=True)(plugin1)

    # Test that another plugin can be registered:
    r()(plugin2)

    # Setup to test more registration:
    class plugin1a(Base1):
        pass
    r()(plugin1a)

    class plugin1b(Base1):
        pass
    r()(plugin1b)

    class plugin2a(Base2):
        pass
    r()(plugin2a)

    class plugin2b(Base2):
        pass
    r()(plugin2b)
Esempio n. 2
0
def get_package(server_info, client):
    NO_FINGERPRINT = object()

    fingerprint = NO_FINGERPRINT
    if server_info.is_valid():
        fingerprint = server_info.get('fingerprint', fingerprint)

    if fingerprint is not None:
        try:
            try:
                if fingerprint is NO_FINGERPRINT:
                    schema = Schema(client)
                else:
                    schema = Schema(client, fingerprint)
            except SchemaUpToDate as e:
                schema = Schema(client, e.fingerprint)
        except NotAvailable:
            fingerprint = None
            ttl = None
        except SchemaUpToDate as e:
            fingerprint = e.fingerprint
            ttl = e.ttl
        else:
            fingerprint = schema.fingerprint
            ttl = schema.ttl

        server_info['fingerprint'] = fingerprint
        server_info.update_validity(ttl)

    if fingerprint is None:
        raise NotAvailable()

    fingerprint = str(fingerprint)
    package_name = '{}${}'.format(__name__, fingerprint)
    package_dir = '{}${}'.format(os.path.splitext(__file__)[0], fingerprint)

    try:
        return sys.modules[package_name]
    except KeyError:
        pass

    package = types.ModuleType(package_name)
    package.__file__ = os.path.join(package_dir, '__init__.py')
    package.modules = ['plugins']
    sys.modules[package_name] = package

    module_name = '.'.join((package_name, 'plugins'))
    module = types.ModuleType(module_name)
    module.__file__ = os.path.join(package_dir, 'plugins.py')
    module.register = plugable.Registry()
    for plugin_cls in (_SchemaCommandPlugin, _SchemaObjectPlugin):
        for full_name in schema[plugin_cls.schema_key]:
            plugin = plugin_cls(schema, str(full_name))
            plugin = module.register()(plugin)
    sys.modules[module_name] = module

    for full_name, topic in six.iteritems(schema['topics']):
        name = str(topic['name'])
        module_name = '.'.join((package_name, name))
        try:
            module = sys.modules[module_name]
        except KeyError:
            module = sys.modules[module_name] = types.ModuleType(module_name)
            module.__file__ = os.path.join(package_dir, '{}.py'.format(name))
        module.__doc__ = topic.get('doc')
        if 'topic_topic' in topic:
            module.topic = str(topic['topic_topic']).partition('/')[0]
        else:
            module.topic = None

    return package
Esempio n. 3
0
    def test_API(self):
        """
        Test the `ipalib.plugable.API` class.
        """
        assert issubclass(plugable.API, plugable.ReadOnly)

        register = plugable.Registry()

        # Setup the test bases, create the API:
        @register.base()
        class base0(plugable.Plugin):
            def method(self, n):
                return n

        @register.base()
        class base1(plugable.Plugin):
            def method(self, n):
                return n + 1

        api = plugable.API([base0, base1], [])
        api.env.mode = 'unit_test'
        api.env.in_tree = True

        @register()
        class base0_plugin0(base0):
            pass

        @register()
        class base0_plugin1(base0):
            pass

        @register()
        class base0_plugin2(base0):
            pass

        @register()
        class base1_plugin0(base1):
            pass

        @register()
        class base1_plugin1(base1):
            pass

        @register()
        class base1_plugin2(base1):
            pass

        # Test API instance:
        assert api.isdone('bootstrap') is False
        assert api.isdone('finalize') is False
        api.finalize()
        assert api.isdone('bootstrap') is True
        assert api.isdone('finalize') is True

        def get_base_name(b):
            return 'base%d' % b

        def get_plugin_name(b, p):
            return 'base%d_plugin%d' % (b, p)

        for b in xrange(2):
            base_name = get_base_name(b)
            base = locals()[base_name]
            ns = getattr(api, base_name)
            assert isinstance(ns, plugable.NameSpace)
            assert read_only(api, base_name) is ns
            assert len(ns) == 3
            for p in xrange(3):
                plugin_name = get_plugin_name(b, p)
                plugin = locals()[plugin_name]
                inst = ns[plugin_name]
                assert isinstance(inst, base)
                assert isinstance(inst, plugin)
                assert inst.name == plugin_name
                assert read_only(ns, plugin_name) is inst
                assert inst.method(7) == 7 + b

        # Test that calling finilize again raises AssertionError:
        e = raises(StandardError, api.finalize)
        assert str(e) == 'API.finalize() already called', str(e)
Esempio n. 4
0
def test_Registry():
    """
    Test the `ipalib.plugable.Registry` class
    """
    class Base1(object):
        pass

    class Base2(object):
        pass

    class Base3(object):
        pass

    class plugin1(Base1):
        pass

    class plugin2(Base2):
        pass

    class plugin3(Base3):
        pass

    # Test creation of Registry:
    register = plugable.Registry()

    def b(klass):
        register.base()(klass)

    def r(klass, override=False):
        register(override=override)(klass)

    # Check that TypeError is raised trying to register base that isn't
    # a class:
    p = Base1()
    e = raises(TypeError, b, p)
    assert str(e) == 'plugin base must be a class; got %r' % p

    # Check that base registration works
    b(Base1)
    i = tuple(register.iter(Base1))
    assert len(i) == 1
    assert i[0][0] is Base1
    assert not i[0][1]

    # Check that DuplicateError is raised trying to register exact class
    # again:
    e = raises(errors.PluginDuplicateError, b, Base1)
    assert e.plugin is Base1

    # Test that another base can be registered:
    b(Base2)
    i = tuple(register.iter(Base2))
    assert len(i) == 1
    assert i[0][0] is Base2
    assert not i[0][1]

    # Test iter:
    i = tuple(register.iter(Base1, Base2))
    assert len(i) == 2
    assert i[0][0] is Base1
    assert not i[0][1]
    assert i[1][0] is Base2
    assert not i[1][1]
    e = raises(TypeError, register.iter, Base1, Base2, Base3)
    assert str(e) == 'unknown plugin base %r' % Base3

    # Check that TypeError is raised trying to register something that isn't
    # a class:
    p = plugin1()
    e = raises(TypeError, r, p)
    assert str(e) == 'plugin must be a class; got %r' % p

    # Check that SubclassError is raised trying to register a class that is
    # not a subclass of an allowed base:
    e = raises(errors.PluginSubclassError, r, plugin3)
    assert e.plugin is plugin3

    # Check that registration works
    r(plugin1)
    i = tuple(register.iter(Base1))
    assert len(i) == 1
    assert i[0][0] is Base1
    assert i[0][1] == {plugin1}

    # Check that DuplicateError is raised trying to register exact class
    # again:
    e = raises(errors.PluginDuplicateError, r, plugin1)
    assert e.plugin is plugin1

    # Check that OverrideError is raised trying to register class with same
    # name and same base:
    orig1 = plugin1

    class base1_extended(Base1):
        pass

    class plugin1(base1_extended):  # pylint: disable=function-redefined
        pass

    e = raises(errors.PluginOverrideError, r, plugin1)
    assert e.base == 'Base1'
    assert e.name == 'plugin1'
    assert e.plugin is plugin1

    # Check that overriding works
    r(plugin1, override=True)
    i = tuple(register.iter(Base1))
    assert len(i) == 1
    assert i[0][0] is Base1
    assert i[0][1] == {plugin1}

    # Check that MissingOverrideError is raised trying to override a name
    # not yet registerd:
    e = raises(errors.PluginMissingOverrideError, r, plugin2, override=True)
    assert e.base == 'Base2'
    assert e.name == 'plugin2'
    assert e.plugin is plugin2

    # Test that another plugin can be registered:
    i = tuple(register.iter(Base2))
    assert len(i) == 1
    assert i[0][0] is Base2
    assert not i[0][1]
    r(plugin2)
    i = tuple(register.iter(Base2))
    assert len(i) == 1
    assert i[0][0] is Base2
    assert i[0][1] == {plugin2}

    # Setup to test more registration:
    class plugin1a(Base1):
        pass

    r(plugin1a)

    class plugin1b(Base1):
        pass

    r(plugin1b)

    class plugin2a(Base2):
        pass

    r(plugin2a)

    class plugin2b(Base2):
        pass

    r(plugin2b)

    # Again test iter:
    i = tuple(register.iter(Base1, Base2))
    assert len(i) == 2
    assert i[0][0] is Base1
    assert i[0][1] == {plugin1, plugin1a, plugin1b}
    assert i[1][0] is Base2
    assert i[1][1] == {plugin2, plugin2a, plugin2b}