| |
| |
| """ |
| Author(s): Matthew Loper |
| |
| See LICENCE.txt for licensing and contact information. |
| """ |
|
|
| import unittest |
| from .ch import Ch, depends_on |
|
|
| class TestInnerComposition(unittest.TestCase): |
|
|
| def test_ic(self): |
| child = Child(a=Ch(10)) |
| parent = Parent(child=child, aliased=Ch(50)) |
| |
| junk = [parent.aliased_dependency for k in range(3)] |
| self.assertTrue(parent.dcount == 1) |
| self.assertTrue(parent.ocount == 0) |
| self.assertTrue(parent.rcount == 0) |
| |
| junk = [parent.r for k in range(3)] |
| self.assertTrue(parent.dcount == 1) |
| self.assertTrue(parent.ocount == 1) |
| self.assertTrue(parent.rcount == 1) |
| |
| parent.aliased = Ch(20) |
| junk = [parent.aliased_dependency for k in range(3)] |
| self.assertTrue(parent.dcount == 2) |
| self.assertTrue(parent.ocount == 1) |
| self.assertTrue(parent.rcount == 1) |
| |
| junk = [parent.r for k in range(3)] |
| self.assertTrue(parent.dcount == 2) |
| self.assertTrue(parent.ocount == 2) |
| self.assertTrue(parent.rcount == 2) |
| |
| class Parent(Ch): |
| dterms = ('aliased', 'child') |
| |
| def __init__(self, *args, **kwargs): |
| self.dcount = 0 |
| self.ocount = 0 |
| self.rcount = 0 |
| |
| |
| def on_changed(self, which): |
| assert('aliased' in which and 'child' in which) |
| if 'aliased' in which: |
| self.ocount += 1 |
| |
| @depends_on('aliased') |
| def aliased_dependency(self): |
| self.dcount += 1 |
| |
| @property |
| def aliased(self): |
| return self.child.a |
| |
| @aliased.setter |
| def aliased(self, val): |
| self.child.a = val |
| |
| def compute_r(self): |
| self.rcount += 1 |
| return 0 |
| |
| def compute_dr_wrt(self, wrt): |
| pass |
| |
| |
| class Child(Ch): |
| dterms = ('a',) |
| |
| |
| |
| if __name__ == '__main__': |
| suite = unittest.TestLoader().loadTestsFromTestCase(TestInnerComposition) |
| unittest.TextTestRunner(verbosity=2).run(suite) |
|
|
