Mercurial > hg
annotate tests/test-ctxmanager.py @ 31768:49e9124cfc23
test-http: update output for Windows
The http test simply wasn't updated in 161ab32b44a1 for Windows. It looks like
the https test meant to glob away the error message in 3e2d8120528b, but forgot
the '*', and was subsequently removed in 408f2202bd80.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 01 Apr 2017 18:30:51 -0400 |
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__) |