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observer pattern has a handle to trigger only > min_priority observers

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This commit is contained in:
Max Zwiessele 2014-02-28 11:33:31 +00:00
parent 058ab679e7
commit 2771e3f71f
8 changed files with 181 additions and 90 deletions
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27
GPy/testing/observable_tests.py
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@ -18,16 +18,26 @@ class ParameterizedTest(Parameterized):
params_changed_count = 0
def parameters_changed(self):
self.params_changed_count += 1
def _set_params(self, params, trigger_parent=True):
Parameterized._set_params(self, params, trigger_parent=trigger_parent)
class Test(unittest.TestCase):
def setUp(self):
self.parent = ParamTestParent('test parent')
self.par = ParameterizedTest('test model')
self.par2 = ParameterizedTest('test model 2')
self.p = Param('test parameter', numpy.random.normal(1,2,(10,3)))
self.par.add_parameter(self.p)
self.par.add_parameter(Param('test1', numpy.random.normal(0,1,(1,))))
self.par.add_parameter(Param('test2', numpy.random.normal(0,1,(1,))))
self.par2.add_parameter(Param('par2 test1', numpy.random.normal(0,1,(1,))))
self.par2.add_parameter(Param('par2 test2', numpy.random.normal(0,1,(1,))))
self.parent.add_parameter(self.par)
self.parent.add_parameter(self.par2)
self._observer_triggered = None
self._trigger_count = 0
@ -84,7 +94,22 @@ class Test(unittest.TestCase):
self.assertEqual(self.par.params_changed_count, 0, 'no params changed yet')
self.par._set_params(numpy.ones(self.par.size))
self.assertEqual(self.par.params_changed_count, 1, 'now params changed')
self.assertEqual(self.par.params_changed_count, self.parent.parent_changed_count, 'parent should be triggered as often as param')
self.assertEqual(self.parent.parent_changed_count, self.par.params_changed_count)
self.parent._set_params(numpy.ones(self.parent.size) * 2)
self.assertEqual(self.par.params_changed_count, 2, 'now params changed')
self.assertEqual(self.parent.parent_changed_count, self.par.params_changed_count)
def test_priority_notify(self):
self.assertEqual(self.par.params_changed_count, 0)
self.par._notify_observers(0, None)
self.assertEqual(self.par.params_changed_count, 1)
self.assertEqual(self.parent.parent_changed_count, self.par.params_changed_count)
self.par._notify_observers(0, -numpy.inf)
self.assertEqual(self.par.params_changed_count, 2)
self.assertEqual(self.parent.parent_changed_count, 1)
def test_priority(self):
self.par.add_observer(self, self._trigger, -1)