changegroup: replace changegroup with makechangegroup
As part of reducing the number of changegroup creation APIs, let's replace the
changegroup function with makechangegroup. This pushes the responsibility of
creating the outgoing set to the caller, but that seems like a simple and
reasonable concept for the caller to be aware of.
Differential Revision: https://phab.mercurial-scm.org/D668
from __future__ import absolute_import
import unittest
import silenttestrunner
from mercurial import (
error,
scmutil,
)
class mockfile(object):
def __init__(self, name, fs):
self.name = name
self.fs = fs
def __enter__(self):
return self
def __exit__(self, *args, **kwargs):
pass
def write(self, text):
self.fs.contents[self.name] = text
def read(self):
return self.fs.contents[self.name]
class mockvfs(object):
def __init__(self):
self.contents = {}
def read(self, path):
return mockfile(path, self).read()
def readlines(self, path):
# lines need to contain the trailing '\n' to mock the real readlines
return [l for l in mockfile(path, self).read().splitlines(True)]
def __call__(self, path, mode, atomictemp):
return mockfile(path, self)
class testsimplekeyvaluefile(unittest.TestCase):
def setUp(self):
self.vfs = mockvfs()
def testbasicwritingiandreading(self):
dw = {'key1': 'value1', 'Key2': 'value2'}
scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(dw)
self.assertEqual(sorted(self.vfs.read('kvfile').split('\n')),
['', 'Key2=value2', 'key1=value1'])
dr = scmutil.simplekeyvaluefile(self.vfs, 'kvfile').read()
self.assertEqual(dr, dw)
def testinvalidkeys(self):
d = {'0key1': 'value1', 'Key2': 'value2'}
with self.assertRaisesRegexp(error.ProgrammingError,
'keys must start with a letter.*'):
scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
d = {'key1@': 'value1', 'Key2': 'value2'}
with self.assertRaisesRegexp(error.ProgrammingError, 'invalid key.*'):
scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
def testinvalidvalues(self):
d = {'key1': 'value1', 'Key2': 'value2\n'}
with self.assertRaisesRegexp(error.ProgrammingError, 'invalid val.*'):
scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
def testcorruptedfile(self):
self.vfs.contents['badfile'] = 'ababagalamaga\n'
with self.assertRaisesRegexp(error.CorruptedState,
'dictionary.*element.*'):
scmutil.simplekeyvaluefile(self.vfs, 'badfile').read()
def testfirstline(self):
dw = {'key1': 'value1'}
scmutil.simplekeyvaluefile(self.vfs, 'fl').write(dw, firstline='1.0')
self.assertEqual(self.vfs.read('fl'), '1.0\nkey1=value1\n')
dr = scmutil.simplekeyvaluefile(self.vfs, 'fl')\
.read(firstlinenonkeyval=True)
self.assertEqual(dr, {'__firstline': '1.0', 'key1': 'value1'})
if __name__ == "__main__":
silenttestrunner.main(__name__)