Mercurial > hg
annotate tests/test-check-interfaces.py @ 37132:a54113fcc8c9
lfs: move the 'supportedoutgoingversions' handling to changegroup.py
This handling already exists here for the narrow extension. We still need to
either figure out how to enable changegroup v3 without the extension, or figure
out how to let the server detect that the client doesn't have it loaded, and
emit a user friendly error[1]. I can't tell if D1944 is the appropriate vehicle
for the latter.
[1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2018-January/109550.html
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Mon, 26 Mar 2018 23:02:50 -0400 |
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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 class dummyopener(object): |
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54 handlers = [] |
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55 |
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56 # Facilitates testing sshpeer without requiring an SSH server. |
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57 class badpeer(httppeer.httppeer): |
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58 def __init__(self): |
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59 super(badpeer, self).__init__(None, None, None, dummyopener()) |
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60 self.badattribute = True |
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61 |
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62 def badmethod(self): |
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63 pass |
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64 |
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65 class dummypipe(object): |
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66 def close(self): |
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67 pass |
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68 |
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69 def main(): |
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70 ui = uimod.ui() |
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71 |
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72 checkobject(badpeer()) |
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73 checkobject(httppeer.httppeer(None, None, None, dummyopener())) |
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74 checkobject(localrepo.localpeer(dummyrepo())) |
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75 checkobject(sshpeer.sshv1peer(ui, 'ssh://localhost/foo', None, dummypipe(), |
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76 dummypipe(), None, None)) |
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77 checkobject(sshpeer.sshv2peer(ui, 'ssh://localhost/foo', None, dummypipe(), |
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78 dummypipe(), None, None)) |
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79 checkobject(bundlerepo.bundlepeer(dummyrepo())) |
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80 checkobject(statichttprepo.statichttppeer(dummyrepo())) |
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81 checkobject(unionrepo.unionpeer(dummyrepo())) |
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82 |
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83 main() |