Mercurial > hg
annotate tests/test-extensions-wrapfunction.py @ 41731:92055d539e49
tests: conditionalize msys path mangling in test-bundle.t
This broke in 252cc56c9ff6 when the variables were printed one per line. The
only reason I can think of is that MSYS knew the former string couldn't be a
list of paths, but thinks this form is.
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 16 Feb 2019 22:03:58 -0500 |
parents | ac865f020b99 |
children | 2372284d9457 |
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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 is not None and 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()) |