Mercurial > hg
annotate tests/test-demandimport.py @ 31976:e0b6421b2fc5
obsolescence: add test for the "branch replacement" logic during push, case A3
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test case.
See inline documentation for details about the test case added in this
changeset.
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Thu, 13 Apr 2017 16:23:18 +0200 |
parents | 1914db1b7d9e |
children | 252d2260c74e |
rev | line source |
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1 from __future__ import print_function |
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2 |
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3 from mercurial import demandimport |
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4 demandimport.enable() |
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5 |
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6 import os |
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7 import subprocess |
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8 import sys |
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9 |
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10 # Only run if demandimport is allowed |
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11 if subprocess.call(['python', '%s/hghave' % os.environ['TESTDIR'], |
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12 'demandimport']): |
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13 sys.exit(80) |
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14 |
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15 if os.name != 'nt': |
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16 try: |
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17 import distutils.msvc9compiler |
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18 print('distutils.msvc9compiler needs to be an immediate ' |
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19 'importerror on non-windows platforms') |
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20 distutils.msvc9compiler |
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21 except ImportError: |
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22 pass |
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23 |
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24 import re |
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25 |
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26 rsub = re.sub |
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27 def f(obj): |
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28 l = repr(obj) |
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29 l = rsub("0x[0-9a-fA-F]+", "0x?", l) |
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30 l = rsub("from '.*'", "from '?'", l) |
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31 l = rsub("'<[a-z]*>'", "'<whatever>'", l) |
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32 return l |
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33 |
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34 import os |
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35 |
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36 print("os =", f(os)) |
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37 print("os.system =", f(os.system)) |
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38 print("os =", f(os)) |
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39 |
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40 from mercurial import util |
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41 |
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42 print("util =", f(util)) |
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43 print("util.system =", f(util.system)) |
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44 print("util =", f(util)) |
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45 print("util.system =", f(util.system)) |
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46 |
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47 from mercurial import hgweb |
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48 print("hgweb =", f(hgweb)) |
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49 print("hgweb_mod =", f(hgweb.hgweb_mod)) |
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50 print("hgweb =", f(hgweb)) |
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51 |
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52 import re as fred |
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53 print("fred =", f(fred)) |
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54 |
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55 import sys as re |
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56 print("re =", f(re)) |
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57 |
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58 print("fred =", f(fred)) |
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59 print("fred.sub =", f(fred.sub)) |
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60 print("fred =", f(fred)) |
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61 |
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62 print("re =", f(re)) |
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63 print("re.stderr =", f(re.stderr)) |
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64 print("re =", f(re)) |
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65 |
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66 import contextlib |
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67 print("contextlib =", f(contextlib)) |
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68 try: |
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69 from contextlib import unknownattr |
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70 print('no demandmod should be created for attribute of non-package ' |
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71 'module:\ncontextlib.unknownattr =', f(unknownattr)) |
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72 except ImportError as inst: |
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73 print('contextlib.unknownattr = ImportError: %s' |
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74 % rsub(r"'", '', str(inst))) |
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75 |
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76 # Unlike the import statement, __import__() function should not raise |
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77 # ImportError even if fromlist has an unknown item |
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78 # (see Python/import.c:import_module_level() and ensure_fromlist()) |
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79 contextlibimp = __import__('contextlib', globals(), locals(), ['unknownattr']) |
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80 print("__import__('contextlib', ..., ['unknownattr']) =", f(contextlibimp)) |
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81 print("hasattr(contextlibimp, 'unknownattr') =", |
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82 util.safehasattr(contextlibimp, 'unknownattr')) |
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83 |
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84 demandimport.disable() |
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85 os.environ['HGDEMANDIMPORT'] = 'disable' |
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86 # this enable call should not actually enable demandimport! |
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87 demandimport.enable() |
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88 from mercurial import node |
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89 print("node =", f(node)) |