def test_on_change_bad_functor(): m = cbm.CallbackManager() bad = _Bad() with pytest.raises(ValueError): m.on_change('foo', bad) assert len(m._callbacks) == 1 assert len(m._callbacks['foo']) == 0
def test_trigger(): m = cbm.CallbackManager() good = _Good() m.on_change('foo', good.method) m.trigger('foo', 42, 43) assert good.last_name == 'foo' assert good.last_old == 42 assert good.last_new == 43
def test_on_change_good_closure(): def good(x, y, z): pass m = cbm.CallbackManager() m.on_change('foo', good) assert len(m._callbacks) == 1 assert len(m._callbacks['foo']) == 1
def test_on_change_bad_closure(): def bad(x, y): pass m = cbm.CallbackManager() with pytest.raises(ValueError): m.on_change('foo', bad) assert len(m._callbacks) == 1 assert len(m._callbacks['foo']) == 0
def test_on_change_same_attr_twice_one_call(): def good1(x, y, z): pass def good2(x, y, z): pass m2 = cbm.CallbackManager() m2.on_change('foo', good1, good2) assert len(m2._callbacks) == 1 assert m2._callbacks['foo'] == [good1, good2]
def test_on_change_same_attr_twice_multiple_calls(): def good1(x, y, z): pass def good2(x, y, z): pass m1 = cbm.CallbackManager() m1.on_change('foo', good1) m1.on_change('foo', good2) assert len(m1._callbacks) == 1 assert m1._callbacks['foo'] == [good1, good2]
def test_on_change_different_attrs(): def good1(x, y, z): pass def good2(x, y, z): pass m1 = cbm.CallbackManager() m1.on_change('foo', good1) m1.on_change('bar', good2) assert len(m1._callbacks) == 2 assert m1._callbacks['foo'] == [good1] assert m1._callbacks['bar'] == [good2]
def test_trigger_with_two_callbacks(): m = cbm.CallbackManager() good1 = _Good() good2 = _Good() m.on_change('foo', good1.method) m.on_change('foo', good2.method) m.trigger('foo', 42, 43) assert good1.last_name == 'foo' assert good1.last_old == 42 assert good1.last_new == 43 assert good2.last_name == 'foo' assert good2.last_old == 42 assert good2.last_new == 43
def test_on_change_good_partial_function(): m = cbm.CallbackManager() p = partial(_partially_good, 'foo') m.on_change('bar', p) assert len(m._callbacks) == 1
def test_on_change_good_extra_kwargs_function(): m = cbm.CallbackManager() m.on_change('bar', _just_fine) assert len(m._callbacks) == 1
def test_on_change_good_lambda(): m = cbm.CallbackManager() good = lambda x, y, z: x m.on_change('foo', good) assert len(m._callbacks) == 1 assert m._callbacks['foo'] == [good]
def test_on_change_good_function(): m = cbm.CallbackManager() m.on_change('foo', _good) assert len(m._callbacks) == 1 assert m._callbacks['foo'] == [_good]
def test_on_change_good_functor(): m = cbm.CallbackManager() good = _Good() m.on_change('foo', good) assert len(m._callbacks) == 1 assert m._callbacks['foo'] == [good]
def test_creation(): m = cbm.CallbackManager() assert len(m._callbacks) == 0
def test_on_change_good_extra_kwargs_method(): m = cbm.CallbackManager() good = _Good() m.on_change('bar', good.just_fine) assert len(m._callbacks) == 1
def test_on_change_good_partial_method(): m = cbm.CallbackManager() good = _Good() p = partial(good.partially_good, 'foo') m.on_change('bar', p) assert len(m._callbacks) == 1
def test_on_change_bad_lambda(): m = cbm.CallbackManager() with pytest.raises(ValueError): m.on_change('foo', lambda x, y: x) assert len(m._callbacks) == 1 assert len(m._callbacks['foo']) == 0