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from __future__ import absolute_import
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import unittest
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import silenttestrunner
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from mercurial import (
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error,
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scmutil,
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)
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class mockfile(object):
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def __init__(self, name, fs):
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self.name = name
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self.fs = fs
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def __enter__(self):
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return self
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def __exit__(self, *args, **kwargs):
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pass
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def write(self, text):
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self.fs.contents[self.name] = text
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def read(self):
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return self.fs.contents[self.name]
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class mockvfs(object):
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def __init__(self):
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self.contents = {}
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def read(self, path):
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return mockfile(path, self).read()
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def readlines(self, path):
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# lines need to contain the trailing '\n' to mock the real readlines
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return [l for l in mockfile(path, self).read().splitlines(True)]
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def __call__(self, path, mode, atomictemp):
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return mockfile(path, self)
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class testsimplekeyvaluefile(unittest.TestCase):
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def setUp(self):
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self.vfs = mockvfs()
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def testbasicwritingiandreading(self):
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dw = {'key1': 'value1', 'Key2': 'value2'}
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scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(dw)
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self.assertEqual(sorted(self.vfs.read('kvfile').split('\n')),
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['', 'Key2=value2', 'key1=value1'])
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dr = scmutil.simplekeyvaluefile(self.vfs, 'kvfile').read()
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self.assertEqual(dr, dw)
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def testinvalidkeys(self):
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d = {'0key1': 'value1', 'Key2': 'value2'}
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with self.assertRaisesRegexp(error.ProgrammingError,
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'keys must start with a letter.*'):
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scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
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d = {'key1@': 'value1', 'Key2': 'value2'}
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with self.assertRaisesRegexp(error.ProgrammingError, 'invalid key.*'):
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scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
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def testinvalidvalues(self):
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d = {'key1': 'value1', 'Key2': 'value2\n'}
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with self.assertRaisesRegexp(error.ProgrammingError, 'invalid val.*'):
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scmutil.simplekeyvaluefile(self.vfs, 'kvfile').write(d)
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def testcorruptedfile(self):
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self.vfs.contents['badfile'] = 'ababagalamaga\n'
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with self.assertRaisesRegexp(error.CorruptedState,
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'dictionary.*element.*'):
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scmutil.simplekeyvaluefile(self.vfs, 'badfile').read()
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def testfirstline(self):
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dw = {'key1': 'value1'}
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scmutil.simplekeyvaluefile(self.vfs, 'fl').write(dw, firstline='1.0')
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self.assertEqual(self.vfs.read('fl'), '1.0\nkey1=value1\n')
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dr = scmutil.simplekeyvaluefile(self.vfs, 'fl')\
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.read(firstlinenonkeyval=True)
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self.assertEqual(dr, {'__firstline': '1.0', 'key1': 'value1'})
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if __name__ == "__main__":
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silenttestrunner.main(__name__)
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