Mercurial > hg
annotate tests/test-ctxmanager.py @ 29471:c4fc33c477da
hgweb: expose list of per-repo labels to templates
hgweb currently offers limited functionality for "classifying"
repositories. This patch aims to change that.
The web.labels config option list is introduced. Its values
are exposed to the "index" and "summary" templates. Custom
templates can use template features like ifcontains() to e.g.
look for the presence of a specific label and engage specific
behavior. For example, a site operator may wish to assign a
"defunct" label to a repository so the repository is prominently
marked as dead in repository indexes.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 30 Jun 2016 18:59:53 -0700 |
parents | 441491aba8c3 |
children | 68c43a416585 |
rev | line source |
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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__) |