annotate python/example/howbindingworks.py @ 626:89a72399286b

adding file demonstrating classes
author Jeff Hammel <k0scist@gmail.com>
date Mon, 17 Feb 2014 17:33:23 -0800
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1 def environment():
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2 print 'hi'
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3
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4 class Foo(object):
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5 environment = environment
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6
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7 foo = Foo()
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8
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9 class Bar(object):
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10 def __init__(self):
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11 self.environment = environment
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12 bar = Bar()
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13
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14 import unittest
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15 class TestBinding(unittest.TestCase):
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16 """weird!"""
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17 def test_binding(self):
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18 self.assertEqual(foo.environment, environment)
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19 def test_class_level(self):
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20 self.assertEqual(Foo.environment, environment)
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21 def test_on_init(self):
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22 self.assertEqual(bar.environment, environment)
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23
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24 if __name__ == '__main__':
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25 unittest.main()