mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Add __bool__ method. Add tests. Fix-up broken test.

Browse source
This commit is contained in:
Raymond Hettinger 2011-02-26 06:53:58 +00:00
parent cb8b94447c
commit d032131dcb
2 changed files with 17 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

22
Lib/test/test_collections.py
View file

@ -72,17 +72,23 @@ class TestChainMap(unittest.TestCase):
for m1, m2 in zip(d.maps, e.maps):
self.assertIsNot(m1, m2, e)
d.new_child()
d['b'] = 5
self.assertEqual(d.maps, [{'b': 5}, {'c':30}, {'a':1, 'b':2}])
self.assertEqual(d.parents.maps, [{'c':30}, {'a':1, 'b':2}]) # check parents
self.assertEqual(d['b'], 5) # find first in chain
self.assertEqual(d.parents['b'], 2) # look beyond maps[0]
f = d.new_child()
f['b'] = 5
self.assertEqual(f.maps, [{'b': 5}, {'c':30}, {'a':1, 'b':2}])
self.assertEqual(f.parents.maps, [{'c':30}, {'a':1, 'b':2}]) # check parents
self.assertEqual(f['b'], 5) # find first in chain
self.assertEqual(f.parents['b'], 2) # look beyond maps[0]
def test_contructor(self):
self.assertEqual(ChainedContext().maps, [{}]) # no-args --> one new dict
self.assertEqual(ChainMap().maps, [{}]) # no-args --> one new dict
self.assertEqual(ChainMap({1:2}).maps, [{1:2}]) # 1 arg --> list
def test_bool(self):
self.assertFalse(ChainMap())
self.assertFalse(ChainMap({}, {}))
self.assertTrue(ChainMap({1:2}, {}))
self.assertTrue(ChainMap({}, {1:2}))
def test_missing(self):
class DefaultChainMap(ChainMap):
def __missing__(self, key):
@ -1182,7 +1188,7 @@ import doctest, collections
def test_main(verbose=None):
NamedTupleDocs = doctest.DocTestSuite(module=collections)
test_classes = [TestNamedTuple, NamedTupleDocs, TestOneTrickPonyABCs,
TestCollectionABCs, TestCounter,
TestCollectionABCs, TestCounter, TestChainMap,
TestOrderedDict, GeneralMappingTests, SubclassMappingTests]
support.run_unittest(*test_classes)
support.run_doctest(collections, verbose)