Mercurial > hg
annotate tests/test-cappedreader.py @ 51279:51021612aea7 stable
bundle: highlight misbehavior when --base does not match any revision
See next changeset for fix and details.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 27 Dec 2023 18:42:13 +0100 |
parents | 6000f5b25c9b |
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1 import io |
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2 import unittest |
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3 |
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4 from mercurial import util |
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5 |
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6 |
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7 class CappedReaderTests(unittest.TestCase): |
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8 def testreadfull(self): |
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9 source = io.BytesIO(b'x' * 100) |
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10 |
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11 reader = util.cappedreader(source, 10) |
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12 res = reader.read(10) |
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13 self.assertEqual(res, b'x' * 10) |
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14 self.assertEqual(source.tell(), 10) |
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15 source.seek(0) |
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16 |
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17 reader = util.cappedreader(source, 15) |
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18 res = reader.read(16) |
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19 self.assertEqual(res, b'x' * 15) |
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20 self.assertEqual(source.tell(), 15) |
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21 source.seek(0) |
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22 |
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23 reader = util.cappedreader(source, 100) |
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24 res = reader.read(100) |
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25 self.assertEqual(res, b'x' * 100) |
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26 self.assertEqual(source.tell(), 100) |
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27 source.seek(0) |
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28 |
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29 reader = util.cappedreader(source, 50) |
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30 res = reader.read() |
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31 self.assertEqual(res, b'x' * 50) |
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32 self.assertEqual(source.tell(), 50) |
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33 source.seek(0) |
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34 |
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35 def testreadnegative(self): |
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36 source = io.BytesIO(b'x' * 100) |
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37 |
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38 reader = util.cappedreader(source, 20) |
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39 res = reader.read(-1) |
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40 self.assertEqual(res, b'x' * 20) |
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41 self.assertEqual(source.tell(), 20) |
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42 source.seek(0) |
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43 |
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44 reader = util.cappedreader(source, 100) |
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45 res = reader.read(-1) |
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46 self.assertEqual(res, b'x' * 100) |
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47 self.assertEqual(source.tell(), 100) |
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48 source.seek(0) |
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49 |
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50 def testreadmultiple(self): |
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51 source = io.BytesIO(b'x' * 100) |
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52 |
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53 reader = util.cappedreader(source, 10) |
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54 for i in range(10): |
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55 res = reader.read(1) |
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56 self.assertEqual(res, b'x') |
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57 self.assertEqual(source.tell(), i + 1) |
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58 |
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59 self.assertEqual(source.tell(), 10) |
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60 res = reader.read(1) |
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61 self.assertEqual(res, b'') |
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62 self.assertEqual(source.tell(), 10) |
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63 source.seek(0) |
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64 |
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65 reader = util.cappedreader(source, 45) |
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66 for i in range(4): |
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67 res = reader.read(10) |
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68 self.assertEqual(res, b'x' * 10) |
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69 self.assertEqual(source.tell(), (i + 1) * 10) |
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70 |
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71 res = reader.read(10) |
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72 self.assertEqual(res, b'x' * 5) |
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73 self.assertEqual(source.tell(), 45) |
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74 |
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75 def readlimitpasteof(self): |
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76 source = io.BytesIO(b'x' * 100) |
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77 |
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78 reader = util.cappedreader(source, 1024) |
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79 res = reader.read(1000) |
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80 self.assertEqual(res, b'x' * 100) |
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81 self.assertEqual(source.tell(), 100) |
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82 res = reader.read(1000) |
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83 self.assertEqual(res, b'') |
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84 self.assertEqual(source.tell(), 100) |
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85 |
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86 |
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87 if __name__ == '__main__': |
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88 import silenttestrunner |
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89 |
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90 silenttestrunner.main(__name__) |