Mercurial > hg
annotate tests/test-simplekeyvaluefile.py @ 48875:6000f5b25c9b
py2: remove simple from __future__ statements
These were needed for Python 2 support. Now that our linter no longer
mandates these, we can start deleting them.
Differential Revision: https://phab.mercurial-scm.org/D12254
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 03 Mar 2022 17:34:00 +0100 |
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children | 642e31cb55f0 |
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1 import unittest |
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2 import silenttestrunner |
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3 |
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4 from mercurial import ( |
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5 error, |
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6 scmutil, |
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7 ) |
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8 |
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9 |
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10 class mockfile(object): |
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11 def __init__(self, name, fs): |
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12 self.name = name |
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13 self.fs = fs |
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14 |
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15 def __enter__(self): |
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16 return self |
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17 |
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18 def __exit__(self, *args, **kwargs): |
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19 pass |
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20 |
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21 def write(self, text): |
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22 self.fs.contents[self.name] = text |
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23 |
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24 def read(self): |
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25 return self.fs.contents[self.name] |
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26 |
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27 |
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28 class mockvfs(object): |
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29 def __init__(self): |
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30 self.contents = {} |
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31 |
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32 def read(self, path): |
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33 return mockfile(path, self).read() |
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34 |
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35 def readlines(self, path): |
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36 # lines need to contain the trailing '\n' to mock the real readlines |
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37 return [l for l in mockfile(path, self).read().splitlines(True)] |
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38 |
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39 def __call__(self, path, mode, atomictemp): |
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40 return mockfile(path, self) |
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41 |
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42 |
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43 class testsimplekeyvaluefile(unittest.TestCase): |
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44 def setUp(self): |
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45 self.vfs = mockvfs() |
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46 |
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47 def testbasicwritingiandreading(self): |
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48 dw = {b'key1': b'value1', b'Key2': b'value2'} |
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49 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(dw) |
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50 self.assertEqual( |
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51 sorted(self.vfs.read(b'kvfile').split(b'\n')), |
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52 [b'', b'Key2=value2', b'key1=value1'], |
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53 ) |
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54 dr = scmutil.simplekeyvaluefile(self.vfs, b'kvfile').read() |
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55 self.assertEqual(dr, dw) |
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56 |
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57 if not getattr(unittest.TestCase, 'assertRaisesRegex', False): |
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58 # Python 3.7 deprecates the regex*p* version, but 2.7 lacks |
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59 # the regex version. |
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60 assertRaisesRegex = ( # camelcase-required |
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61 unittest.TestCase.assertRaisesRegexp |
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62 ) |
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63 |
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64 def testinvalidkeys(self): |
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65 d = {b'0key1': b'value1', b'Key2': b'value2'} |
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66 with self.assertRaisesRegex( |
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67 error.ProgrammingError, 'keys must start with a letter.*' |
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68 ): |
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69 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d) |
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70 |
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71 d = {b'key1@': b'value1', b'Key2': b'value2'} |
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72 with self.assertRaisesRegex(error.ProgrammingError, 'invalid key.*'): |
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73 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d) |
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74 |
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75 def testinvalidvalues(self): |
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76 d = {b'key1': b'value1', b'Key2': b'value2\n'} |
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77 with self.assertRaisesRegex(error.ProgrammingError, 'invalid val.*'): |
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78 scmutil.simplekeyvaluefile(self.vfs, b'kvfile').write(d) |
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79 |
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80 def testcorruptedfile(self): |
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81 self.vfs.contents[b'badfile'] = b'ababagalamaga\n' |
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82 with self.assertRaisesRegex( |
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83 error.CorruptedState, 'dictionary.*element.*' |
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84 ): |
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85 scmutil.simplekeyvaluefile(self.vfs, b'badfile').read() |
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86 |
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87 def testfirstline(self): |
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88 dw = {b'key1': b'value1'} |
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89 scmutil.simplekeyvaluefile(self.vfs, b'fl').write(dw, firstline=b'1.0') |
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90 self.assertEqual(self.vfs.read(b'fl'), b'1.0\nkey1=value1\n') |
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91 dr = scmutil.simplekeyvaluefile(self.vfs, b'fl').read( |
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92 firstlinenonkeyval=True |
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93 ) |
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94 self.assertEqual(dr, {b'__firstline': b'1.0', b'key1': b'value1'}) |
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95 |
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96 |
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97 if __name__ == "__main__": |
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98 silenttestrunner.main(__name__) |