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tests: add a separate test file to test cache corruption and recovery
author Anton Shestakov <av6@dwimlabs.net>
date Mon, 05 Apr 2021 16:35:47 +0800
parents
children 5435777c307c
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5867:3c3809c3f603 5868:c61e1577c62f
1 Testing cache corruption and recovery
2 https://bz.mercurial-scm.org/show_bug.cgi?id=6354
3
4 $ . $TESTDIR/testlib/pythonpath.sh
5
6 $ cat << EOF >> $HGRCPATH
7 > [extensions]
8 > evolve =
9 > [experimental]
10 > obshashrange = 1
11 > obshashrange.warm-cache = yes
12 > [ui]
13 > logtemplate = "{rev} {node|short} {desc} {tags}\n"
14 > EOF
15
16 $ cat >> repack.py << EOF
17 > import struct
18 > import sys
19 > data = []
20 > with open(sys.argv[1], 'rb') as f:
21 > header = f.read(24)
22 > while True:
23 > buf = f.read(8)
24 > if not buf: break
25 > data.append(struct.unpack('<q', buf)[0])
26 > with open(sys.argv[1], 'wb') as f:
27 > f.write(header)
28 > for item in data:
29 > f.write(struct.pack('<l', item))
30 > EOF
31
32 $ cat >> truncate.py << EOF
33 > import os
34 > import sys
35 > with open(sys.argv[1], 'ab') as fp:
36 > fp.seek(int(sys.argv[2]), os.SEEK_END)
37 > fp.truncate()
38 > EOF
39
40 Simple linear setup
41
42 $ hg init linear
43 $ cd linear
44
45 $ hg debugbuilddag '+3'
46 $ hg log -G
47 o 2 01241442b3c2 r2 tip
48 |
49 o 1 66f7d451a68b r1
50 |
51 o 0 1ea73414a91b r0
52
53 $ f -s .hg/cache/evoext-*
54 .hg/cache/evoext-depthcache-00: size=48
55 .hg/cache/evoext-firstmerge-00: size=48
56 .hg/cache/evoext-obscache-00: size=67
57 .hg/cache/evoext-stablesortcache-00: size=52
58
59 testing depthcache
60
61 $ f -H .hg/cache/evoext-depthcache-00
62 .hg/cache/evoext-depthcache-00:
63 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
64 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 00 00 00 00 |I.U.e...........|
65 0020: 02 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 |................|
66
67 $ hg debugdepth --rev 'all()' --method compare --debug
68 1ea73414a91b 1
69 66f7d451a68b 2
70 01241442b3c2 3
71
72 $ "$PYTHON" ../repack.py .hg/cache/evoext-depthcache-00
73 $ f -H .hg/cache/evoext-depthcache-00
74 .hg/cache/evoext-depthcache-00:
75 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
76 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 02 00 00 00 |I.U.e...........|
77 0020: 03 00 00 00 |....|
78
79 $ hg debugdepth --rev 'all()' --method compare --debug
80 depthcache file seems to be corrupted, it will be rebuilt from scratch
81 1ea73414a91b 1
82 66f7d451a68b 2
83 01241442b3c2 3
84
85 $ "$PYTHON" ../truncate.py .hg/cache/evoext-depthcache-00 -4
86 $ f -H .hg/cache/evoext-depthcache-00
87 .hg/cache/evoext-depthcache-00:
88 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
89 0010: 49 c6 55 ea 65 b2 95 e3 01 00 00 00 00 00 00 00 |I.U.e...........|
90 0020: 02 00 00 00 00 00 00 00 03 00 00 00 |............|
91
92 $ hg debugdepth --rev 'all()' --method compare --debug
93 depthcache file seems to be corrupted, it will be rebuilt from scratch
94 1ea73414a91b 1
95 66f7d451a68b 2
96 01241442b3c2 3
97
98 testing firstmergecache
99
100 $ f -H .hg/cache/evoext-firstmerge-00
101 .hg/cache/evoext-firstmerge-00:
102 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
103 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........|
104 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
105
106 $ hg debugfirstmergecache --debug
107 1ea73414a91b -1
108 66f7d451a68b -1
109 01241442b3c2 -1
110
111 $ "$PYTHON" ../repack.py .hg/cache/evoext-firstmerge-00
112 $ f -H .hg/cache/evoext-firstmerge-00
113 .hg/cache/evoext-firstmerge-00:
114 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
115 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........|
116 0020: ff ff ff ff |....|
117
118 $ hg debugfirstmergecache --debug
119 firstmergecache file seems to be corrupted, it will be rebuilt from scratch
120 1ea73414a91b -1
121 66f7d451a68b -1
122 01241442b3c2 -1
123
124 $ "$PYTHON" ../truncate.py .hg/cache/evoext-firstmerge-00 -4
125 $ f -H .hg/cache/evoext-firstmerge-00
126 .hg/cache/evoext-firstmerge-00:
127 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
128 0010: 49 c6 55 ea 65 b2 95 e3 ff ff ff ff ff ff ff ff |I.U.e...........|
129 0020: ff ff ff ff ff ff ff ff ff ff ff ff |............|
130
131 $ hg debugfirstmergecache --debug
132 firstmergecache file seems to be corrupted, it will be rebuilt from scratch
133 1ea73414a91b -1
134 66f7d451a68b -1
135 01241442b3c2 -1
136
137 testing stablesortcache
138
139 $ f -H .hg/cache/evoext-stablesortcache-00
140 .hg/cache/evoext-stablesortcache-00:
141 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
142 0010: 49 c6 55 ea 65 b2 95 e3 00 00 00 18 00 00 00 00 |I.U.e...........|
143 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
144 0030: 00 00 00 00 |....|
145
146 $ hg debugstablesortcache --debug
147 number of revisions: 3
148 number of merge: 0
149 number of jumps: 0
150
151 $ "$PYTHON" ../truncate.py .hg/cache/evoext-stablesortcache-00 -4
152 $ f -H .hg/cache/evoext-stablesortcache-00
153 .hg/cache/evoext-stablesortcache-00:
154 0000: 00 00 00 02 01 24 14 42 b3 c2 bf 32 11 e5 93 b5 |.....$.B...2....|
155 0010: 49 c6 55 ea 65 b2 95 e3 00 00 00 18 00 00 00 00 |I.U.e...........|
156 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
157
158 $ hg debugstablesortcache --debug
159 number of revisions: 3
160 stablesortcache file seems to be corrupted, it will be rebuilt from scratch
161 number of merge: 0
162 number of jumps: 0
163
164 $ cd ..
165
166 A "diamond" setup with a merge
167
168 $ hg init with-a-merge
169 $ cd with-a-merge
170
171 $ hg debugbuilddag '+2 *2 /2'
172 $ hg log -G
173 o 3 2b6d669947cd r3 tip
174 |\
175 | o 2 fa942426a6fd r2
176 | |
177 o | 1 66f7d451a68b r1
178 |/
179 o 0 1ea73414a91b r0
180
181 $ f -s .hg/cache/evoext-*
182 .hg/cache/evoext-depthcache-00: size=56
183 .hg/cache/evoext-firstmerge-00: size=56
184 .hg/cache/evoext-obscache-00: size=68
185 .hg/cache/evoext-stablesortcache-00: size=84
186
187 testing depthcache
188
189 $ f -H .hg/cache/evoext-depthcache-00
190 .hg/cache/evoext-depthcache-00:
191 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
192 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 00 00 00 00 |.....p~.........|
193 0020: 02 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 |................|
194 0030: 04 00 00 00 00 00 00 00 |........|
195
196 $ hg debugdepth --rev 'all()' --method compare --debug
197 1ea73414a91b 1
198 66f7d451a68b 2
199 fa942426a6fd 2
200 2b6d669947cd 4
201
202 $ "$PYTHON" ../repack.py .hg/cache/evoext-depthcache-00
203 $ f -H .hg/cache/evoext-depthcache-00
204 .hg/cache/evoext-depthcache-00:
205 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
206 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 02 00 00 00 |.....p~.........|
207 0020: 02 00 00 00 04 00 00 00 |........|
208
209 $ hg debugdepth --rev 'all()' --method compare --debug
210 depthcache file seems to be corrupted, it will be rebuilt from scratch
211 1ea73414a91b 1
212 66f7d451a68b 2
213 fa942426a6fd 2
214 2b6d669947cd 4
215
216 $ "$PYTHON" ../truncate.py .hg/cache/evoext-depthcache-00 -4
217 $ f -H .hg/cache/evoext-depthcache-00
218 .hg/cache/evoext-depthcache-00:
219 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
220 0010: 11 c7 84 85 89 70 7e ef 01 00 00 00 00 00 00 00 |.....p~.........|
221 0020: 02 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 |................|
222 0030: 04 00 00 00 |....|
223
224 $ hg debugdepth --rev 'all()' --method compare --debug
225 depthcache file seems to be corrupted, it will be rebuilt from scratch
226 1ea73414a91b 1
227 66f7d451a68b 2
228 fa942426a6fd 2
229 2b6d669947cd 4
230
231 testing firstmergecache
232
233 $ f -H .hg/cache/evoext-firstmerge-00
234 .hg/cache/evoext-firstmerge-00:
235 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
236 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........|
237 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
238 0030: 03 00 00 00 00 00 00 00 |........|
239
240 $ hg debugfirstmergecache --debug
241 1ea73414a91b -1
242 66f7d451a68b -1
243 fa942426a6fd -1
244 2b6d669947cd 3
245
246 $ "$PYTHON" ../repack.py .hg/cache/evoext-firstmerge-00
247 $ f -H .hg/cache/evoext-firstmerge-00
248 .hg/cache/evoext-firstmerge-00:
249 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
250 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........|
251 0020: ff ff ff ff 03 00 00 00 |........|
252
253 $ hg debugfirstmergecache --debug
254 firstmergecache file seems to be corrupted, it will be rebuilt from scratch
255 1ea73414a91b -1
256 66f7d451a68b -1
257 fa942426a6fd -1
258 2b6d669947cd 3
259
260 $ "$PYTHON" ../truncate.py .hg/cache/evoext-firstmerge-00 -4
261 $ f -H .hg/cache/evoext-firstmerge-00
262 .hg/cache/evoext-firstmerge-00:
263 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
264 0010: 11 c7 84 85 89 70 7e ef ff ff ff ff ff ff ff ff |.....p~.........|
265 0020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
266 0030: 03 00 00 00 |....|
267
268 $ hg debugfirstmergecache --debug
269 firstmergecache file seems to be corrupted, it will be rebuilt from scratch
270 1ea73414a91b -1
271 66f7d451a68b -1
272 fa942426a6fd -1
273 2b6d669947cd 3
274
275 testing stablesortcache
276
277 $ f -H .hg/cache/evoext-stablesortcache-00
278 .hg/cache/evoext-stablesortcache-00:
279 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
280 0010: 11 c7 84 85 89 70 7e ef 00 00 00 20 00 00 00 00 |.....p~.... ....|
281 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
282 0030: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................|
283 0040: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................|
284 0050: 00 00 00 00 |....|
285
286 $ hg debugstablesortcache --debug
287 number of revisions: 4
288 number of merge: 1
289 number of jumps: 1
290 average jumps: 1.000
291 median jumps: 1
292 90% jumps: 1
293 99% jumps: 1
294 max jumps: 1
295 jump cache size: 12 bytes
296
297 $ "$PYTHON" ../truncate.py .hg/cache/evoext-stablesortcache-00 -4
298 $ f -H .hg/cache/evoext-stablesortcache-00
299 .hg/cache/evoext-stablesortcache-00:
300 0000: 00 00 00 03 2b 6d 66 99 47 cd 52 4d 74 f4 3c 1b |....+mf.G.RMt.<.|
301 0010: 11 c7 84 85 89 70 7e ef 00 00 00 20 00 00 00 00 |.....p~.... ....|
302 0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
303 0030: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................|
304 0040: 00 00 00 00 01 00 00 00 00 00 00 00 02 00 00 00 |................|
305
306 $ hg debugstablesortcache --debug
307 number of revisions: 4
308 stablesortcache file seems to be corrupted, it will be rebuilt from scratch
309 number of merge: 1
310 number of jumps: 1
311 average jumps: 1.000
312 median jumps: 1
313 90% jumps: 1
314 99% jumps: 1
315 max jumps: 1
316 jump cache size: 12 bytes
317
318 $ cd ..