Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_transformer.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents b6e875aa508b
children c94f37054f19 7caf54ce529e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 import unittest
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2 from test import test_support
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3 from compiler import transformer, ast
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4 from compiler import compile
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5
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6 class Tests(unittest.TestCase):
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7
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8 def testMultipleLHS(self):
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9 """ Test multiple targets on the left hand side. """
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10
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11 snippets = ['a, b = 1, 2',
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12 '(a, b) = 1, 2',
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13 '((a, b), c) = (1, 2), 3']
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14
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15 for s in snippets:
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16 a = transformer.parse(s)
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17 assert isinstance(a, ast.Module)
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18 child1 = a.getChildNodes()[0]
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19 assert isinstance(child1, ast.Stmt)
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20 child2 = child1.getChildNodes()[0]
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21 assert isinstance(child2, ast.Assign)
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22
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23 # This actually tests the compiler, but it's a way to assure the ast
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24 # is correct
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25 c = compile(s, '<string>', 'single')
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26 vals = {}
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27 exec c in vals
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28 assert vals['a'] == 1
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29 assert vals['b'] == 2
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30
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31 def test_main():
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32 test_support.run_unittest(Tests)
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33
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34 if __name__ == "__main__":
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35 test_main()