示例#1
0
def test_deleting_child():
    """Test deleting a child.

    """
    root = RootTask()
    task1 = ComplexTask(name='task1',
                        database_entries={'val1': 2.0})
    task2 = SimpleTask(name='task2',
                       database_entries={'val2': 1},
                       access_exs={'val2': 2})
    task3 = ComplexTask(name='task3')
    task4 = ComplexTask(name='task4')

    task1.add_child_task(0, task2)
    task1.add_child_task(1, task4)
    root.add_child_task(0, task1)
    root.add_child_task(1, task3)

    listener = SignalListener()
    task1.observe('children_changed', listener.listen)

    task1.remove_child_task(0)

    assert listener.counter == 1
    assert listener.signals[0].removed

    assert task1.preferences['children_0']['name'] == 'task4'
    assert 'task2_val2' not in task3.list_accessible_database_entries()

    root.remove_child_task(0)

    assert len(root.children) == 1
    with pytest.raises(KeyError):
        root.get_from_database('task1_val1')
示例#2
0
def test_deleting_child():
    """Test deleting a child.

    """
    root = RootTask()
    task1 = ComplexTask(name='task1',
                        database_entries={'val1': 2.0})
    task2 = SimpleTask(name='task2',
                       database_entries={'val2': 1},
                       access_exs={'val2': 2})
    task3 = ComplexTask(name='task3')
    task4 = ComplexTask(name='task4')

    task1.add_child_task(0, task2)
    task1.add_child_task(1, task4)
    root.add_child_task(0, task1)
    root.add_child_task(1, task3)

    listener = SignalListener()
    task1.observe('children_changed', listener.listen)

    task1.remove_child_task(0)

    assert listener.counter == 1
    assert listener.signals[0].removed

    assert task1.preferences['children_0']['name'] == 'task4'
    assert 'task2_val2' not in task3.list_accessible_database_entries()

    root.remove_child_task(0)

    assert len(root.children) == 1
    with pytest.raises(KeyError):
        root.get_from_database('task1_val1')
class TestInterfaceableTaskMixin(object):
    """Test the capabilities of task interfaces.

    """

    def setup(self):
        self.root = RootTask()
        self.mixin = Mixin(name='Simple')
        self.root.add_child_task(0, self.mixin)

    def test_interface_observer(self):
        """Test changing the interface.

        """
        i1 = InterfaceTest()
        i2 = InterfaceTest2()

        self.mixin.interface = i1
        assert i1.task is self.mixin
        assert self.mixin.database_entries == {'test': 2.0, 'itest': 1.0}
        assert i1.interface_id[1] == (self.mixin.task_id,)

        self.mixin.interface = i2
        assert i2.task is self.mixin
        assert i1.task is None
        assert self.mixin.database_entries == {'test': 2.0, 'itest': 2.0,
                                               'fmt': '', 'feval': 0}

    def test_check1(self):
        """Test running checks when the interface is present.

        """
        self.mixin.interface = InterfaceTest(answer=True)

        res, traceback = self.mixin.check()
        assert res
        assert not traceback
        assert self.mixin.interface.called

    def test_check2(self):
        """Test running checks when no interface exist but i_perform is
        implemented.

        """
        res, traceback = IMixin().check()
        assert res
        assert not traceback

    def test_check3(self):
        """Test handling missing interface.

        """
        res, traceback = self.mixin.check()
        assert not res
        assert traceback
        assert len(traceback) == 1
        assert 'root/Simple-interface' in traceback

    def test_check4(self):
        """Test handling a non-passing test from the interface.

        """
        self.mixin.interface = InterfaceTest()

        res, traceback = self.mixin.check()
        assert not res
        assert len(traceback) == 1
        assert self.mixin.interface.called

    def test_check5(self):
        """Check that auto-check of fmt and feavl tagged members works.

        """
        self.mixin.interface = InterfaceTest2(fmt='{Simple_test}',
                                              feval='2*{Simple_test}')

        res, traceback = self.mixin.check()
        assert res
        assert not traceback
        assert self.root.get_from_database('Simple_fmt') == '2.0'
        assert self.root.get_from_database('Simple_feval') == 4.0

    def test_check6(self):
        """Check that auto-check of fmt and feavl handle errors.

        """
        self.mixin.interface = InterfaceTest2(fmt='{Simple_test*}',
                                              feval='2*{Simple_test}*')

        res, traceback = self.mixin.check()
        assert not res
        assert self.root.get_from_database('Simple_fmt') == ''
        assert self.root.get_from_database('Simple_feval') == 0
        assert len(traceback) == 2
        assert 'root/Simple-fmt' in traceback
        assert 'root/Simple-feval' in traceback

    def test_perform1(self):
        """Test perform does call interface if present.

        """
        self.mixin.interface = InterfaceTest()
        self.root.database.prepare_to_run()

        self.mixin.perform()
        assert self.mixin.get_from_database('Simple_itest') == 2.0

    def test_perform2(self):
        """Test perform use i_perform when no interface exists.

        """
        self.root.remove_child_task(0)
        self.mixin = IMixin(name='Simple')
        self.root.add_child_task(0, self.mixin)
        self.root.database.prepare_to_run()

        self.mixin.perform()
        assert self.root.get_from_database('Simple_test') == 3.0

    def test_build_from_config1(self):
        """Test building a interfaceable task with no interface from a config.

        """
        aux = RootTask()
        aux.add_child_task(0, IMixin())

        bis = RootTask.build_from_config(aux.preferences,
                                         {'ecpy.task': {'tests.IMixin': IMixin,
                                                        'ecpy.RootTask':
                                                            RootTask}})
        assert type(bis.children[0]).__name__ == 'IMixin'

    def test_build_from_config2(self):
        """Test building a interfaceable task with an interface from a config.

        """
        self.mixin.interface = InterfaceTest(answer=True)
        self.root.update_preferences_from_members()
        deps = {'ecpy.task': {'tests.Mixin': Mixin, 'ecpy.RootTask': RootTask},
                'ecpy.tasks.interface':
                    {('InterfaceTest', ('tests.Mixin',)): InterfaceTest}}
        bis = RootTask.build_from_config(self.root.preferences, deps)

        assert type(bis.children[0].interface).__name__ == 'InterfaceTest'

    def test_traverse(self):
        """Test traversing a task with interface.

        """
        self.mixin.interface = InterfaceTest2()

        w = list(self.mixin.traverse())
        assert w == [self.mixin, self.mixin.interface]
class TestInterfaceableTaskMixin(object):
    """Test the capabilities of task interfaces.

    """
    def setup(self):
        self.root = RootTask()
        self.mixin = Mixin(name='Simple')
        self.root.add_child_task(0, self.mixin)

    def test_interface_observer(self):
        """Test changing the interface.

        """
        i1 = InterfaceTest()
        i2 = InterfaceTest2()

        self.mixin.interface = i1
        assert i1.task is self.mixin
        assert self.mixin.database_entries == {'test': 2.0, 'itest': 1.0}
        assert i1.interface_id[1] == (self.mixin.task_id, )

        self.mixin.interface = i2
        assert i2.task is self.mixin
        assert i1.task is None
        assert self.mixin.database_entries == {
            'test': 2.0,
            'itest': 2.0,
            'fmt': '',
            'feval': 0
        }

    def test_check1(self):
        """Test running checks when the interface is present.

        """
        self.mixin.interface = InterfaceTest(answer=True)

        res, traceback = self.mixin.check()
        assert res
        assert not traceback
        assert self.mixin.interface.called

    def test_check2(self):
        """Test running checks when no interface exist but i_perform is
        implemented.

        """
        res, traceback = IMixin().check()
        assert res
        assert not traceback

    def test_check3(self):
        """Test handling missing interface.

        """
        res, traceback = self.mixin.check()
        assert not res
        assert traceback
        assert len(traceback) == 1
        assert 'root/Simple-interface' in traceback

    def test_check4(self):
        """Test handling a non-passing test from the interface.

        """
        self.mixin.interface = InterfaceTest()

        res, traceback = self.mixin.check()
        assert not res
        assert len(traceback) == 1
        assert self.mixin.interface.called

    def test_check5(self):
        """Check that auto-check of fmt and feavl tagged members works.

        """
        self.mixin.interface = InterfaceTest2(fmt='{Simple_test}',
                                              feval='2*{Simple_test}')

        res, traceback = self.mixin.check()
        assert res
        assert not traceback
        assert self.root.get_from_database('Simple_fmt') == '2.0'
        assert self.root.get_from_database('Simple_feval') == 4.0

    def test_check6(self):
        """Check that auto-check of fmt and feavl handle errors.

        """
        self.mixin.interface = InterfaceTest2(fmt='{Simple_test*}',
                                              feval='2*{Simple_test}*')

        res, traceback = self.mixin.check()
        assert not res
        assert self.root.get_from_database('Simple_fmt') == ''
        assert self.root.get_from_database('Simple_feval') == 0
        assert len(traceback) == 2
        assert 'root/Simple-fmt' in traceback
        assert 'root/Simple-feval' in traceback

    def test_perform1(self):
        """Test perform does call interface if present.

        """
        self.mixin.interface = InterfaceTest()
        self.root.database.prepare_to_run()

        self.mixin.perform()
        assert self.mixin.get_from_database('Simple_itest') == 2.0

    def test_perform2(self):
        """Test perform use i_perform when no interface exists.

        """
        self.root.remove_child_task(0)
        self.mixin = IMixin(name='Simple')
        self.root.add_child_task(0, self.mixin)
        self.root.database.prepare_to_run()

        self.mixin.perform()
        assert self.root.get_from_database('Simple_test') == 3.0

    def test_build_from_config1(self):
        """Test building a interfaceable task with no interface from a config.

        """
        aux = RootTask()
        aux.add_child_task(0, IMixin())

        bis = RootTask.build_from_config(
            aux.preferences,
            {'ecpy.task': {
                'tests.IMixin': IMixin,
                'ecpy.RootTask': RootTask
            }})
        assert type(bis.children[0]).__name__ == 'IMixin'

    def test_build_from_config2(self):
        """Test building a interfaceable task with an interface from a config.

        """
        self.mixin.interface = InterfaceTest(answer=True)
        self.root.update_preferences_from_members()
        deps = {
            'ecpy.task': {
                'tests.Mixin': Mixin,
                'ecpy.RootTask': RootTask
            },
            'ecpy.tasks.interface': {
                ('InterfaceTest', ('tests.Mixin', )): InterfaceTest
            }
        }
        bis = RootTask.build_from_config(self.root.preferences, deps)

        assert type(bis.children[0].interface).__name__ == 'InterfaceTest'

    def test_traverse(self):
        """Test traversing a task with interface.

        """
        self.mixin.interface = InterfaceTest2()

        w = list(self.mixin.traverse())
        assert w == [self.mixin, self.mixin.interface]