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| #!/usr/bin/env python | |
| # encoding: utf-8 | |
| """ | |
| 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 | |
| def aliased_dependency(self): | |
| self.dcount += 1 | |
| def aliased(self): | |
| return self.child.a | |
| 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) | |