view tests/test-simplekeyvaluefile.py @ 32265:ccef71de7d41

caches: introduce a 'debugupdatecaches' command

That command make sure caches are updated. This is based on
'localrepo.updatecaches' so when we move support for new cache in that function this
command will benefit from it.

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):
        return mockfile(path, self).read().split('\n')

    def __call__(self, path, mode, atomictemp):
        return mockfile(path, self)

class testsimplekeyvaluefile(unittest.TestCase):
    def setUp(self):
        self.vfs = mockvfs()

    def testbasicwriting(self):
        d = {'key1': 'value1', 'Key2': 'value2'}
        scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
        self.assertEqual(sorted(self.vfs.read('kvfile').split('\n')),
                         ['', 'Key2=value2', 'key1=value1'])

    def testinvalidkeys(self):
        d = {'0key1': 'value1', 'Key2': 'value2'}
        self.assertRaises(error.ProgrammingError,
                          scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write,
                          d)
        d = {'key1@': 'value1', 'Key2': 'value2'}
        self.assertRaises(error.ProgrammingError,
                          scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write,
                          d)

    def testinvalidvalues(self):
        d = {'key1': 'value1', 'Key2': 'value2\n'}
        self.assertRaises(error.ProgrammingError,
                          scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write,
                          d)

    def testcorruptedfile(self):
        self.vfs.contents['badfile'] = 'ababagalamaga\n'
        self.assertRaises(error.CorruptedState,
                          scmutil.simplekeyvaluefile(self.vfs, 'badfile').read)

if __name__ == "__main__":
    silenttestrunner.main(__name__)