[Python-checkins] python/dist/src/Lib/test test_operator.py, 1.14,
1.15
rhettinger at users.sourceforge.net
rhettinger at users.sourceforge.net
Wed Mar 9 17:38:50 CET 2005
Update of /cvsroot/python/python/dist/src/Lib/test
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1975/Lib/test
Modified Files:
test_operator.py
Log Message:
operator.itemgetter() and operator.attrgetter() now support extraction
of multiple fields. This provides direct support for sorting by
multiple keys.
Index: test_operator.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_operator.py,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -d -r1.14 -r1.15
--- test_operator.py 1 Nov 2004 17:10:19 -0000 1.14
+++ test_operator.py 9 Mar 2005 16:38:47 -0000 1.15
@@ -324,7 +324,14 @@
f = operator.attrgetter(2)
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.attrgetter)
- self.assertRaises(TypeError, operator.attrgetter, 1, 2)
+
+ # multiple gets
+ record = A()
+ record.x = 'X'
+ record.y = 'Y'
+ record.z = 'Z'
+ self.assertEqual(operator.attrgetter('x','z','y')(record), ('X', 'Z', 'Y'))
+ self.assertRaises(TypeError, operator.attrgetter('x', (), 'y'), record)
class C(object):
def __getattr(self, name):
@@ -346,7 +353,6 @@
f = operator.itemgetter('name')
self.assertRaises(TypeError, f, a)
self.assertRaises(TypeError, operator.itemgetter)
- self.assertRaises(TypeError, operator.itemgetter, 1, 2)
d = dict(key='val')
f = operator.itemgetter('key')
@@ -361,9 +367,29 @@
self.assertEqual(sorted(inventory, key=getcount),
[('orange', 1), ('banana', 2), ('apple', 3), ('pear', 5)])
-def test_main():
- test_support.run_unittest(OperatorTestCase)
+ # multiple gets
+ data = map(str, range(20))
+ self.assertEqual(operator.itemgetter(2,10,5)(data), ('2', '10', '5'))
+ self.assertRaises(TypeError, operator.itemgetter(2, 'x', 5), data)
+
+
+def test_main(verbose=None):
+ import sys
+ test_classes = (
+ OperatorTestCase,
+ )
+ test_support.run_unittest(*test_classes)
+
+ # verify reference counting
+ if verbose and hasattr(sys, "gettotalrefcount"):
+ import gc
+ counts = [None] * 5
+ for i in xrange(len(counts)):
+ test_support.run_unittest(*test_classes)
+ gc.collect()
+ counts[i] = sys.gettotalrefcount()
+ print counts
if __name__ == "__main__":
- test_main()
+ test_main(verbose=True)
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