Mercurial > hg
view tests/test-dicthelpers.py @ 21049:f117a0ba5289
hg: make "_outgoing()" return empty list instead of "None"
This patch makes "_outgoing()" return empty list instead of "None", if
there are no outgoing changesets, because:
- returning "None" requires callers to examine whether returned
value is "None" or not explicitly, if callers want to execute loop
on returned value, but
- there are no explicit needs to return "None"
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
---|---|
date | Wed, 16 Apr 2014 00:37:24 +0900 |
parents | ed46c2b98b0d |
children |
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from mercurial.dicthelpers import diff, join import unittest import silenttestrunner class testdicthelpers(unittest.TestCase): def test_dicthelpers(self): # empty dicts self.assertEqual(diff({}, {}), {}) self.assertEqual(join({}, {}), {}) d1 = {} d1['a'] = 'foo' d1['b'] = 'bar' d1['c'] = 'baz' # same identity self.assertEqual(diff(d1, d1), {}) self.assertEqual(join(d1, d1), {'a': ('foo', 'foo'), 'b': ('bar', 'bar'), 'c': ('baz', 'baz')}) # vs empty self.assertEqual(diff(d1, {}), {'a': ('foo', None), 'b': ('bar', None), 'c': ('baz', None)}) self.assertEqual(diff(d1, {}), {'a': ('foo', None), 'b': ('bar', None), 'c': ('baz', None)}) d2 = {} d2['a'] = 'foo2' d2['b'] = 'bar' d2['d'] = 'quux' self.assertEqual(diff(d1, d2), {'a': ('foo', 'foo2'), 'c': ('baz', None), 'd': (None, 'quux')}) self.assertEqual(join(d1, d2), {'a': ('foo', 'foo2'), 'b': ('bar', 'bar'), 'c': ('baz', None), 'd': (None, 'quux')}) # with default argument self.assertEqual(diff(d1, d2, 123), {'a': ('foo', 'foo2'), 'c': ('baz', 123), 'd': (123, 'quux')}) self.assertEqual(join(d1, d2, 456), {'a': ('foo', 'foo2'), 'b': ('bar', 'bar'), 'c': ('baz', 456), 'd': (456, 'quux')}) # check that we compare against default self.assertEqual(diff(d1, d2, 'baz'), {'a': ('foo', 'foo2'), 'd': ('baz', 'quux')}) self.assertEqual(diff(d1, d2, 'quux'), {'a': ('foo', 'foo2'), 'c': ('baz', 'quux')}) if __name__ == '__main__': silenttestrunner.main(__name__)