Mercurial > hg
annotate tests/test-extensions-wrapfunction.py @ 37289:5fadc63ac99f
wireproto: explicit API to create outgoing streams
It is better to create outgoing streams through the reactor so the
reactor knows about what streams are active and can track them
accordingly.
Test output changes slightly because frames from subsequent responses
no longer have the "stream begin" stream flag set because the stream
is now used across all responses.
Differential Revision: https://phab.mercurial-scm.org/D2947
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 26 Mar 2018 13:59:56 -0700 |
parents | 82bd4c5a81e5 |
children | ac865f020b99 |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 from mercurial import extensions |
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4 |
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5 def genwrapper(x): |
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6 def f(orig, *args, **kwds): |
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7 return [x] + orig(*args, **kwds) |
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8 f.x = x |
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9 return f |
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10 |
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11 def getid(wrapper): |
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12 return getattr(wrapper, 'x', '-') |
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13 |
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14 wrappers = [genwrapper(i) for i in range(5)] |
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15 |
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16 class dummyclass(object): |
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17 def getstack(self): |
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18 return ['orig'] |
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19 |
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20 dummy = dummyclass() |
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21 |
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22 def batchwrap(wrappers): |
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23 for w in wrappers: |
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24 extensions.wrapfunction(dummy, 'getstack', w) |
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25 print('wrap %d: %s' % (getid(w), dummy.getstack())) |
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26 |
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27 def batchunwrap(wrappers): |
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28 for w in wrappers: |
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29 result = None |
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30 try: |
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31 result = extensions.unwrapfunction(dummy, 'getstack', w) |
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32 msg = str(dummy.getstack()) |
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33 except (ValueError, IndexError) as e: |
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34 msg = e.__class__.__name__ |
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35 print('unwrap %s: %s: %s' % (getid(w), getid(result), msg)) |
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36 |
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37 batchwrap(wrappers + [wrappers[0]]) |
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38 batchunwrap([(wrappers[i] if i >= 0 else None) |
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39 for i in [3, None, 0, 4, 0, 2, 1, None]]) |
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40 |
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41 wrap0 = extensions.wrappedfunction(dummy, 'getstack', wrappers[0]) |
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42 wrap1 = extensions.wrappedfunction(dummy, 'getstack', wrappers[1]) |
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43 |
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44 # Use them in a different order from how they were created to check that |
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45 # the wrapping happens in __enter__, not in __init__ |
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46 print('context manager', dummy.getstack()) |
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47 with wrap1: |
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48 print('context manager', dummy.getstack()) |
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49 with wrap0: |
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50 print('context manager', dummy.getstack()) |
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51 # Bad programmer forgets to unwrap the function, but the context |
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52 # managers still unwrap their wrappings. |
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53 extensions.wrapfunction(dummy, 'getstack', wrappers[2]) |
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54 print('context manager', dummy.getstack()) |
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55 print('context manager', dummy.getstack()) |
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56 print('context manager', dummy.getstack()) |
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57 |
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58 # Wrap callable object which has no __name__ |
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59 class callableobj(object): |
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60 def __call__(self): |
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61 return ['orig'] |
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62 dummy.cobj = callableobj() |
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63 extensions.wrapfunction(dummy, 'cobj', wrappers[0]) |
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64 print('wrap callable object', dummy.cobj()) |