Mercurial > hg
annotate tests/test-cappedreader.py @ 45933:2960b7fac966
setup: copy pythonXY.dll next to the hg.exe wrapper when building
This avoids the problem of having the newly built binary complaining that it
can't find the DLL. There is an option in the python.org installer to add the
python install to PATH (which defaulted to "on" with py2, and therefore was not
an issue up to this point), but that makes switching between python versions
harder.
This shouldn't be an issue with the PyOxidizer binary, but that current has
issues running some of the tests, and took noticeably longer to build last time
I tried it.
Differential Revision: https://phab.mercurial-scm.org/D9362
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 21 Nov 2020 16:20:49 -0500 |
parents | 2372284d9457 |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 import io |
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4 import unittest |
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5 |
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6 from mercurial import util |
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7 |
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8 |
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9 class CappedReaderTests(unittest.TestCase): |
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10 def testreadfull(self): |
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11 source = io.BytesIO(b'x' * 100) |
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12 |
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13 reader = util.cappedreader(source, 10) |
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14 res = reader.read(10) |
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15 self.assertEqual(res, b'x' * 10) |
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16 self.assertEqual(source.tell(), 10) |
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17 source.seek(0) |
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18 |
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19 reader = util.cappedreader(source, 15) |
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20 res = reader.read(16) |
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21 self.assertEqual(res, b'x' * 15) |
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22 self.assertEqual(source.tell(), 15) |
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23 source.seek(0) |
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24 |
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25 reader = util.cappedreader(source, 100) |
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26 res = reader.read(100) |
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27 self.assertEqual(res, b'x' * 100) |
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28 self.assertEqual(source.tell(), 100) |
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29 source.seek(0) |
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30 |
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31 reader = util.cappedreader(source, 50) |
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32 res = reader.read() |
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33 self.assertEqual(res, b'x' * 50) |
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34 self.assertEqual(source.tell(), 50) |
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35 source.seek(0) |
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36 |
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37 def testreadnegative(self): |
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38 source = io.BytesIO(b'x' * 100) |
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39 |
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40 reader = util.cappedreader(source, 20) |
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41 res = reader.read(-1) |
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42 self.assertEqual(res, b'x' * 20) |
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43 self.assertEqual(source.tell(), 20) |
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44 source.seek(0) |
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45 |
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46 reader = util.cappedreader(source, 100) |
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47 res = reader.read(-1) |
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48 self.assertEqual(res, b'x' * 100) |
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49 self.assertEqual(source.tell(), 100) |
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50 source.seek(0) |
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51 |
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52 def testreadmultiple(self): |
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53 source = io.BytesIO(b'x' * 100) |
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54 |
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55 reader = util.cappedreader(source, 10) |
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56 for i in range(10): |
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57 res = reader.read(1) |
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58 self.assertEqual(res, b'x') |
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59 self.assertEqual(source.tell(), i + 1) |
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60 |
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61 self.assertEqual(source.tell(), 10) |
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62 res = reader.read(1) |
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63 self.assertEqual(res, b'') |
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64 self.assertEqual(source.tell(), 10) |
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65 source.seek(0) |
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66 |
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67 reader = util.cappedreader(source, 45) |
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68 for i in range(4): |
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69 res = reader.read(10) |
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70 self.assertEqual(res, b'x' * 10) |
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71 self.assertEqual(source.tell(), (i + 1) * 10) |
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72 |
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73 res = reader.read(10) |
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74 self.assertEqual(res, b'x' * 5) |
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75 self.assertEqual(source.tell(), 45) |
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76 |
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77 def readlimitpasteof(self): |
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78 source = io.BytesIO(b'x' * 100) |
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79 |
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80 reader = util.cappedreader(source, 1024) |
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81 res = reader.read(1000) |
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82 self.assertEqual(res, b'x' * 100) |
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83 self.assertEqual(source.tell(), 100) |
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84 res = reader.read(1000) |
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85 self.assertEqual(res, b'') |
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86 self.assertEqual(source.tell(), 100) |
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87 |
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88 |
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89 if __name__ == '__main__': |
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90 import silenttestrunner |
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91 |
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92 silenttestrunner.main(__name__) |