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