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@@ -1,95 +1,96 b'' | |||
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1 | 1 | import sys, os, subprocess |
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2 | 2 | |
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3 | 3 | try: |
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4 | 4 | subprocess.check_call(['%s/hghave' % os.environ['TESTDIR'], 'cacheable']) |
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5 | 5 | except subprocess.CalledProcessError: |
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6 | 6 | sys.exit(80) |
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7 | 7 | |
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8 | 8 | from mercurial import util, scmutil, extensions |
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9 | 9 | |
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10 | 10 | filecache = scmutil.filecache |
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11 | 11 | |
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12 | 12 | class fakerepo(object): |
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13 | 13 | def __init__(self): |
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14 | 14 | self._filecache = {} |
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15 | 15 | |
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16 | 16 | def join(self, p): |
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17 | 17 | return p |
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18 | 18 | |
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19 | 19 | def sjoin(self, p): |
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20 | 20 | return p |
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21 | 21 | |
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22 | 22 | @filecache('x') |
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23 | 23 | def cached(self): |
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24 | 24 | print 'creating' |
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25 | 25 | |
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26 | 26 | def invalidate(self): |
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27 | 27 | for k in self._filecache: |
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28 | 28 | try: |
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29 | 29 | delattr(self, k) |
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30 | 30 | except AttributeError: |
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31 | 31 | pass |
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32 | 32 | |
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33 | 33 | def basic(repo): |
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34 | 34 | # file doesn't exist, calls function |
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35 | 35 | repo.cached |
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36 | 36 | |
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37 | 37 | repo.invalidate() |
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38 | 38 | # file still doesn't exist, uses cache |
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39 | 39 | repo.cached |
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40 | 40 | |
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41 | 41 | # create empty file |
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42 | 42 | f = open('x', 'w') |
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43 | 43 | f.close() |
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44 | 44 | repo.invalidate() |
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45 | 45 | # should recreate the object |
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46 | 46 | repo.cached |
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47 | 47 | |
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48 | 48 | f = open('x', 'w') |
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49 | 49 | f.write('a') |
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50 | 50 | f.close() |
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51 | 51 | repo.invalidate() |
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52 | 52 | # should recreate the object |
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53 | 53 | repo.cached |
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54 | 54 | |
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55 | 55 | repo.invalidate() |
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56 | 56 | # stats file again, nothing changed, reuses object |
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57 | 57 | repo.cached |
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58 | 58 | |
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59 | 59 | # atomic replace file, size doesn't change |
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60 | 60 | # hopefully st_mtime doesn't change as well so this doesn't use the cache |
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61 | 61 | # because of inode change |
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62 | 62 | f = scmutil.opener('.')('x', 'w', atomictemp=True) |
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63 | 63 | f.write('b') |
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64 | 64 | f.rename() |
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65 | 65 | |
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66 | 66 | repo.invalidate() |
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67 | 67 | repo.cached |
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68 | 68 | |
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69 | 69 | def fakeuncacheable(): |
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70 | 70 | def wrapcacheable(orig, *args, **kwargs): |
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71 | 71 | return False |
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72 | 72 | |
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73 | 73 | def wrapinit(orig, *args, **kwargs): |
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74 | 74 | pass |
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75 | 75 | |
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76 | 76 | originit = extensions.wrapfunction(util.cachestat, '__init__', wrapinit) |
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77 |
origcacheable = extensions.wrapfunction(util.cachestat, 'cacheable', |
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77 | origcacheable = extensions.wrapfunction(util.cachestat, 'cacheable', | |
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78 | wrapcacheable) | |
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78 | 79 | |
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79 | 80 | try: |
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80 | 81 | os.remove('x') |
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81 | 82 | except: |
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82 | 83 | pass |
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83 | 84 | |
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84 | 85 | basic(fakerepo()) |
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85 | 86 | |
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86 | 87 | util.cachestat.cacheable = origcacheable |
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87 | 88 | util.cachestat.__init__ = originit |
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88 | 89 | |
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89 | 90 | print 'basic:' |
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90 | 91 | |
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91 | 92 | basic(fakerepo()) |
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92 | 93 | |
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93 | 94 | print 'fakeuncacheable:' |
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94 | 95 | |
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95 | 96 | fakeuncacheable() |
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