Mercurial > hg
annotate tests/test-ctxmanager.py @ 29332:2bb0ddd8267b
tests: add dummy SMTP daemon for SSL tests
Currently it only supports SMTP over SSL since SMTPS should be simpler than
handling StartTLS.
Since we don't need asynchronous server for our tests, it does TLS handshake
in blocking way. But asyncore is required by Python smtpd module.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Fri, 27 May 2016 22:43:47 +0900 |
parents | 441491aba8c3 |
children | 68c43a416585 |
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1 from __future__ import absolute_import |
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2 |
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3 import silenttestrunner |
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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 class contextmanager(object): |
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9 def __init__(self, name, trace): |
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10 self.name = name |
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11 self.entered = False |
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12 self.exited = False |
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13 self.trace = trace |
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14 |
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15 def __enter__(self): |
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16 self.entered = True |
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17 self.trace(('enter', self.name)) |
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18 return self |
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19 |
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20 def __exit__(self, exc_type, exc_val, exc_tb): |
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21 self.exited = exc_type, exc_val, exc_tb |
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22 self.trace(('exit', self.name)) |
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23 |
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24 def __repr__(self): |
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25 return '<ctx %r>' % self.name |
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26 |
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27 class ctxerror(Exception): |
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28 pass |
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29 |
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30 class raise_on_enter(contextmanager): |
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31 def __enter__(self): |
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32 self.trace(('raise', self.name)) |
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33 raise ctxerror(self.name) |
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34 |
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35 class raise_on_exit(contextmanager): |
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36 def __exit__(self, exc_type, exc_val, exc_tb): |
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37 self.trace(('raise', self.name)) |
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38 raise ctxerror(self.name) |
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39 |
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40 def ctxmgr(name, trace): |
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41 return lambda: contextmanager(name, trace) |
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42 |
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43 class test_ctxmanager(unittest.TestCase): |
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44 def test_basics(self): |
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45 trace = [] |
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46 addtrace = trace.append |
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47 with util.ctxmanager(ctxmgr('a', addtrace), ctxmgr('b', addtrace)) as c: |
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48 a, b = c.enter() |
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49 c.atexit(addtrace, ('atexit', 'x')) |
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50 c.atexit(addtrace, ('atexit', 'y')) |
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51 self.assertEqual(trace, [('enter', 'a'), ('enter', 'b'), |
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52 ('atexit', 'y'), ('atexit', 'x'), |
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53 ('exit', 'b'), ('exit', 'a')]) |
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54 |
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55 def test_raise_on_enter(self): |
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56 trace = [] |
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57 addtrace = trace.append |
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58 def go(): |
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59 with util.ctxmanager(ctxmgr('a', addtrace), |
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60 lambda: raise_on_enter('b', addtrace)) as c: |
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61 c.enter() |
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62 addtrace('unreachable') |
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63 self.assertRaises(ctxerror, go) |
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64 self.assertEqual(trace, [('enter', 'a'), ('raise', 'b'), ('exit', 'a')]) |
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65 |
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66 def test_raise_on_exit(self): |
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67 trace = [] |
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68 addtrace = trace.append |
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69 def go(): |
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70 with util.ctxmanager(ctxmgr('a', addtrace), |
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71 lambda: raise_on_exit('b', addtrace)) as c: |
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72 c.enter() |
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73 addtrace('running') |
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74 self.assertRaises(ctxerror, go) |
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75 self.assertEqual(trace, [('enter', 'a'), ('enter', 'b'), 'running', |
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76 ('raise', 'b'), ('exit', 'a')]) |
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77 |
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78 if __name__ == '__main__': |
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79 silenttestrunner.main(__name__) |