Mercurial > hg
annotate contrib/bdiff-torture.py @ 37561:8478b198af9c
tests: add tests showing pulling from infinitepush works over wire
The current tests in test-infinitepush-ci.t showed that `hg pull -r <rev>` does
not work. Digging in code, I found that we have logic for pulling from
bundlestore without having client side logic. This patch adds test demonstrating
that pulling from bundlestore works when working over wire.
Pulling from bundlestore when the peer is a localpeer still does not works.
Differential Revision: https://phab.mercurial-scm.org/D3072
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 04 Apr 2018 17:37:35 +0530 |
parents | 0c73634d0570 |
children | 876494fd967d |
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1 # Randomized torture test generation for bdiff |
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2 |
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3 from __future__ import absolute_import, print_function |
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4 import random |
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5 import sys |
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6 |
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7 from mercurial import ( |
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8 mdiff, |
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9 ) |
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10 |
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11 def reducetest(a, b): |
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12 tries = 0 |
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13 reductions = 0 |
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14 print("reducing...") |
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15 while tries < 1000: |
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16 a2 = "\n".join(l for l in a.splitlines() |
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17 if random.randint(0, 100) > 0) + "\n" |
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18 b2 = "\n".join(l for l in b.splitlines() |
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19 if random.randint(0, 100) > 0) + "\n" |
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20 if a2 == a and b2 == b: |
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21 continue |
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22 if a2 == b2: |
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23 continue |
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24 tries += 1 |
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25 |
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26 try: |
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27 test1(a, b) |
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28 except Exception as inst: |
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29 reductions += 1 |
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30 tries = 0 |
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31 a = a2 |
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32 b = b2 |
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33 |
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34 print("reduced:", reductions, len(a) + len(b), |
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35 repr(a), repr(b)) |
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36 try: |
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37 test1(a, b) |
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38 except Exception as inst: |
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39 print("failed:", inst) |
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40 |
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41 sys.exit(0) |
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42 |
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43 def test1(a, b): |
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44 d = mdiff.textdiff(a, b) |
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45 if not d: |
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46 raise ValueError("empty") |
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47 c = mdiff.patches(a, [d]) |
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48 if c != b: |
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49 raise ValueError("bad") |
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50 |
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51 def testwrap(a, b): |
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52 try: |
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53 test1(a, b) |
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54 return |
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55 except Exception as inst: |
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56 pass |
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57 print("exception:", inst) |
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58 reducetest(a, b) |
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59 |
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60 def test(a, b): |
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61 testwrap(a, b) |
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62 testwrap(b, a) |
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63 |
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64 def rndtest(size, noise): |
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65 a = [] |
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66 src = " aaaaaaaabbbbccd" |
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67 for x in xrange(size): |
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68 a.append(src[random.randint(0, len(src) - 1)]) |
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69 |
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70 while True: |
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71 b = [c for c in a if random.randint(0, 99) > noise] |
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72 b2 = [] |
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73 for c in b: |
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74 b2.append(c) |
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75 while random.randint(0, 99) < noise: |
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76 b2.append(src[random.randint(0, len(src) - 1)]) |
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77 if b2 != a: |
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78 break |
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79 |
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80 a = "\n".join(a) + "\n" |
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81 b = "\n".join(b2) + "\n" |
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82 |
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83 test(a, b) |
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84 |
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85 maxvol = 10000 |
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86 startsize = 2 |
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87 while True: |
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88 size = startsize |
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89 count = 0 |
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90 while size < maxvol: |
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91 print(size) |
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92 volume = 0 |
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93 while volume < maxvol: |
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94 rndtest(size, 2) |
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95 volume += size |
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96 count += 2 |
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97 size *= 2 |
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98 maxvol *= 4 |
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99 startsize *= 4 |