Mercurial > hg-stable
view tests/test-cappedreader.py @ 38015:3ac950cd5978
shortest: move revnum-disambiguation out of revlog
I want to be able to change how we disambiguate and I think having
revlog.shortest() worry only about finding a prefix that's unambiguous
among nodeids makes more sense.
This slows down `hg log -T '{shortest(node,1)}\n'` from 4.0s to 4.1s.
Differential Revision: https://phab.mercurial-scm.org/D3502
author | Martin von Zweigbergk <martinvonz@google.com> |
---|---|
date | Thu, 03 May 2018 15:57:12 -0700 |
parents | 01e29e885600 |
children | 2372284d9457 |
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from __future__ import absolute_import, print_function import io import unittest from mercurial import ( util, ) class CappedReaderTests(unittest.TestCase): def testreadfull(self): source = io.BytesIO(b'x' * 100) reader = util.cappedreader(source, 10) res = reader.read(10) self.assertEqual(res, b'x' * 10) self.assertEqual(source.tell(), 10) source.seek(0) reader = util.cappedreader(source, 15) res = reader.read(16) self.assertEqual(res, b'x' * 15) self.assertEqual(source.tell(), 15) source.seek(0) reader = util.cappedreader(source, 100) res = reader.read(100) self.assertEqual(res, b'x' * 100) self.assertEqual(source.tell(), 100) source.seek(0) reader = util.cappedreader(source, 50) res = reader.read() self.assertEqual(res, b'x' * 50) self.assertEqual(source.tell(), 50) source.seek(0) def testreadnegative(self): source = io.BytesIO(b'x' * 100) reader = util.cappedreader(source, 20) res = reader.read(-1) self.assertEqual(res, b'x' * 20) self.assertEqual(source.tell(), 20) source.seek(0) reader = util.cappedreader(source, 100) res = reader.read(-1) self.assertEqual(res, b'x' * 100) self.assertEqual(source.tell(), 100) source.seek(0) def testreadmultiple(self): source = io.BytesIO(b'x' * 100) reader = util.cappedreader(source, 10) for i in range(10): res = reader.read(1) self.assertEqual(res, b'x') self.assertEqual(source.tell(), i + 1) self.assertEqual(source.tell(), 10) res = reader.read(1) self.assertEqual(res, b'') self.assertEqual(source.tell(), 10) source.seek(0) reader = util.cappedreader(source, 45) for i in range(4): res = reader.read(10) self.assertEqual(res, b'x' * 10) self.assertEqual(source.tell(), (i + 1) * 10) res = reader.read(10) self.assertEqual(res, b'x' * 5) self.assertEqual(source.tell(), 45) def readlimitpasteof(self): source = io.BytesIO(b'x' * 100) reader = util.cappedreader(source, 1024) res = reader.read(1000) self.assertEqual(res, b'x' * 100) self.assertEqual(source.tell(), 100) res = reader.read(1000) self.assertEqual(res, b'') self.assertEqual(source.tell(), 100) if __name__ == '__main__': import silenttestrunner silenttestrunner.main(__name__)