Mercurial > hg
annotate tests/test-atomictempfile.py @ 27372:a79cba6cb206
help: add documentation for changegroup formats
There is no formal location for spec-like technical/internal docs. The
repository makes sense as such a location because spec-like
documentation should be reviewed (ruling out a wiki). mpm has also
stated that he would like this documentation to be part of the
built-in help system. So, we establish an "internals" sub-directory
to hold this class of documentation.
The format of changegroups does not appear to be documented anywhere,
even in source code. It therefore seemed like an appropriate first thing
to document.
This patch adds low-level documentation of versions 1 and 2 of the
changegroup foromat. It currently only describes the raw data format.
There is probably room to write higher-level documentation on strategies
for producing and consuming the data. We'll leave that for another day.
The added file is not yet accessible via `hg help` nor via hgweb.
Support for this will follow in subsequent patches.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Sun, 25 Oct 2015 00:19:45 +0100 |
parents | fb9d1c2805ff |
children | f00f1de16454 |
rev | line source |
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atomictempfile: avoid infinite recursion in __del__().
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1 import os |
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2 import glob |
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3 import unittest |
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4 import silenttestrunner |
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5 |
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6 from mercurial.util import atomictempfile |
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7 |
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8 class testatomictempfile(unittest.TestCase): |
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9 def test1_simple(self): |
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10 if os.path.exists('foo'): |
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11 os.remove('foo') |
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12 file = atomictempfile('foo') |
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13 (dir, basename) = os.path.split(file._tempname) |
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14 self.assertFalse(os.path.isfile('foo')) |
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15 self.assertTrue(basename in glob.glob('.foo-*')) |
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16 |
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17 file.write('argh\n') |
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18 file.close() |
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19 |
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20 self.assertTrue(os.path.isfile('foo')) |
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21 self.assertTrue(basename not in glob.glob('.foo-*')) |
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22 |
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23 # discard() removes the temp file without making the write permanent |
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24 def test2_discard(self): |
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25 if os.path.exists('foo'): |
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26 os.remove('foo') |
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27 file = atomictempfile('foo') |
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28 (dir, basename) = os.path.split(file._tempname) |
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29 |
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30 file.write('yo\n') |
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31 file.discard() |
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32 |
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33 self.assertFalse(os.path.isfile('foo')) |
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34 self.assertTrue(basename not in os.listdir('.')) |
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35 |
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36 # if a programmer screws up and passes bad args to atomictempfile, they |
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37 # get a plain ordinary TypeError, not infinite recursion |
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38 def test3_oops(self): |
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39 self.assertRaises(TypeError, atomictempfile) |
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40 |
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41 if __name__ == '__main__': |
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42 silenttestrunner.main(__name__) |