sapling/tests/test-dicthelpers.py
Siddharth Agarwal 663e918bc2 dicthelpers.diff: compare against default for missing values
This is not only a bit faster, but also aligns with callers' expectations
better since we can legitimately have manifestdict's _flags set to '' instead
of unset.

hg perfmergecalculate -r .
before: ! wall 0.139582 comb 0.140000 user 0.140000 sys 0.000000 (best of 59)
after:  ! wall 0.126154 comb 0.120000 user 0.120000 sys 0.000000 (best of 74)

hg perfmergecalculate -r .^
before: ! wall 0.236333 comb 0.240000 user 0.240000 sys 0.000000 (best of 36)
after:  ! wall 0.212265 comb 0.210000 user 0.210000 sys 0.000000 (best of 45)
2013-04-10 12:31:07 -07:00

60 lines
2.3 KiB
Python

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__)