Mercurial > hg
annotate tests/test-check-interfaces.py @ 36091:ea02be8665ef
narrowtemplates: update to use registrar mechanism
It's worth considering at this point if we should just move the two
ellipsis functions to core tagged experimental or something, since
they're not really narrowing-specific...
Differential Revision: https://phab.mercurial-scm.org/D2009
author | Augie Fackler <augie@google.com> |
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date | Fri, 02 Feb 2018 10:51:47 -0500 |
parents | 59e4a7781a36 |
children | 11ba1a96f946 |
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1 # Test that certain objects conform to well-defined interfaces. |
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2 |
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3 from __future__ import absolute_import, print_function |
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4 |
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5 from mercurial import ( |
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6 bundlerepo, |
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7 httppeer, |
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8 localrepo, |
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9 sshpeer, |
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10 statichttprepo, |
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11 ui as uimod, |
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12 unionrepo, |
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13 ) |
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14 |
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15 def checkobject(o): |
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16 """Verify a constructed object conforms to interface rules. |
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17 |
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18 An object must have __abstractmethods__ defined. |
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19 |
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20 All "public" attributes of the object (attributes not prefixed with |
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21 an underscore) must be in __abstractmethods__ or appear on a base class |
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22 with __abstractmethods__. |
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23 """ |
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24 name = o.__class__.__name__ |
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25 |
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26 allowed = set() |
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27 for cls in o.__class__.__mro__: |
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28 if not getattr(cls, '__abstractmethods__', set()): |
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29 continue |
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30 |
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31 allowed |= cls.__abstractmethods__ |
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32 allowed |= {a for a in dir(cls) if not a.startswith('_')} |
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33 |
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34 if not allowed: |
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35 print('%s does not have abstract methods' % name) |
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36 return |
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37 |
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38 public = {a for a in dir(o) if not a.startswith('_')} |
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39 |
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40 for attr in sorted(public - allowed): |
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41 print('public attributes not in abstract interface: %s.%s' % ( |
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42 name, attr)) |
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43 |
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44 # Facilitates testing localpeer. |
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45 class dummyrepo(object): |
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46 def __init__(self): |
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47 self.ui = uimod.ui() |
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48 def filtered(self, name): |
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49 pass |
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50 def _restrictcapabilities(self, caps): |
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51 pass |
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52 |
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53 # Facilitates testing sshpeer without requiring an SSH server. |
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54 class badpeer(httppeer.httppeer): |
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55 def __init__(self): |
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56 super(badpeer, self).__init__(uimod.ui(), 'http://localhost') |
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57 self.badattribute = True |
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58 |
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59 def badmethod(self): |
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60 pass |
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61 |
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62 def main(): |
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63 ui = uimod.ui() |
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64 |
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65 checkobject(badpeer()) |
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66 checkobject(httppeer.httppeer(ui, 'http://localhost')) |
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67 checkobject(localrepo.localpeer(dummyrepo())) |
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68 checkobject(sshpeer.sshv1peer(ui, 'ssh://localhost/foo', None, None, None, |
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69 None, None)) |
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70 checkobject(sshpeer.sshv2peer(ui, 'ssh://localhost/foo', None, None, None, |
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71 None, None)) |
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72 checkobject(bundlerepo.bundlepeer(dummyrepo())) |
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73 checkobject(statichttprepo.statichttppeer(dummyrepo())) |
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74 checkobject(unionrepo.unionpeer(dummyrepo())) |
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75 |
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76 main() |