Mercurial > hg
view tests/test-debugbuilddag.t @ 35190:bd8875b6473c
run-tests: mechanism to report exceptions during test execution
Sometimes when running tests you introduce a ton of exceptions.
The most extreme example of this is running Mercurial with Python 3,
which currently spews thousands of exceptions when running the test
harness.
This commit adds an opt-in feature to run-tests.py to aggregate
exceptions encountered by `hg` when running tests.
When --exceptions is used, the test harness enables the
"logexceptions" extension in the test environment. This extension
wraps the Mercurial function to handle exceptions and writes
information about the exception to a random filename in a directory
defined by the test harness via an environment variable. At the
end of the test harness, these files are parsed, aggregated, and
a list of all unique Mercurial frames triggering exceptions is
printed in order of frequency.
This feature is intended to aid Python 3 development. I've only
really tested it on Python 3. There is no shortage of improvements
that could be made. e.g. we could write a separate file containing
the exception report - maybe even an HTML report. We also don't
capture which tests demonstrate the exceptions, so there's no turnkey
way to test whether a code change made an exception disappear.
Perfect is the enemy of good. I think the current patch is useful
enough to land. Whoever uses it can send patches to imprve its
usefulness.
Differential Revision: https://phab.mercurial-scm.org/D1477
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Mon, 20 Nov 2017 23:02:32 -0800 |
parents | 95f490136e75 |
children | 8d6109b49b31 |
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plain $ hg init $ hg debugbuilddag '+2:f +3:p2 @temp <f+4 @default /p2 +2' \ > --config extensions.progress= --config progress.assume-tty=1 \ > --config progress.delay=0 --config progress.refresh=0 \ > --config progress.format=topic,bar,number \ > --config progress.width=60 \r (no-eol) (esc) building [ ] 0/12\r (no-eol) (esc) building [ ] 0/12\r (no-eol) (esc) building [==> ] 1/12\r (no-eol) (esc) building [==> ] 1/12\r (no-eol) (esc) building [======> ] 2/12\r (no-eol) (esc) building [=========> ] 3/12\r (no-eol) (esc) building [=============> ] 4/12\r (no-eol) (esc) building [=============> ] 4/12\r (no-eol) (esc) building [=============> ] 4/12\r (no-eol) (esc) building [================> ] 5/12\r (no-eol) (esc) building [====================> ] 6/12\r (no-eol) (esc) building [=======================> ] 7/12\r (no-eol) (esc) building [===========================> ] 8/12\r (no-eol) (esc) building [===========================> ] 8/12\r (no-eol) (esc) building [==============================> ] 9/12\r (no-eol) (esc) building [==================================> ] 10/12\r (no-eol) (esc) building [=====================================> ] 11/12\r (no-eol) (esc) \r (no-eol) (esc) tags $ cat .hg/localtags 66f7d451a68b85ed82ff5fcc254daf50c74144bd f bebd167eb94d257ace0e814aeb98e6972ed2970d p2 dag $ hg debugdag -t -b +2:f +3:p2 @temp*f+3 @default*/p2+2:tip tip $ hg id 000000000000 glog $ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n' o 11: r11 [] @ 11.00 | o 10: r10 [] @ 10.00 | o 9: r9 [] @ 9.00 |\ | o 8: r8 [temp] @ 8.00 | | | o 7: r7 [temp] @ 7.00 | | | o 6: r6 [temp] @ 6.00 | | | o 5: r5 [temp] @ 5.00 | | o | 4: r4 [] @ 4.00 | | o | 3: r3 [] @ 3.00 | | o | 2: r2 [] @ 2.00 |/ o 1: r1 [] @ 1.00 | o 0: r0 [] @ 0.00 overwritten files, starting on a non-default branch $ rm -r .hg $ hg init $ hg debugbuilddag '@start.@default.:f +3:p2 @temp <f+4 @default /p2 +2' -q -o tags $ cat .hg/localtags f778700ebd50fcf282b23a4446bd155da6453eb6 f bbccf169769006e2490efd2a02f11c3d38d462bd p2 dag $ hg debugdag -t -b @start+1 @default+1:f +3:p2 @temp*f+3 @default*/p2+2:tip tip $ hg id 000000000000 glog $ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n' o 11: r11 [] @ 11.00 | o 10: r10 [] @ 10.00 | o 9: r9 [] @ 9.00 |\ | o 8: r8 [temp] @ 8.00 | | | o 7: r7 [temp] @ 7.00 | | | o 6: r6 [temp] @ 6.00 | | | o 5: r5 [temp] @ 5.00 | | o | 4: r4 [] @ 4.00 | | o | 3: r3 [] @ 3.00 | | o | 2: r2 [] @ 2.00 |/ o 1: r1 [] @ 1.00 | o 0: r0 [start] @ 0.00 glog of $ hg log -G --template '{rev}: {desc} [{branches}]\n' of o 11: r11 [] | o 10: r10 [] | o 9: r9 [] |\ | o 8: r8 [temp] | | | o 7: r7 [temp] | | | o 6: r6 [temp] | | | o 5: r5 [temp] | | o | 4: r4 [] | | o | 3: r3 [] | | o | 2: r2 [] |/ o 1: r1 [] | o 0: r0 [start] tags $ hg tags -v tip 11:9ffe238a67a2 p2 4:bbccf1697690 local f 1:f778700ebd50 local cat of $ hg cat of --rev tip r11 new and mergeable files $ rm -r .hg $ hg init $ hg debugbuilddag '+2:f +3:p2 @temp <f+4 @default /p2 +2' -q -mn dag $ hg debugdag -t -b +2:f +3:p2 @temp*f+3 @default*/p2+2:tip tip $ hg id 000000000000 glog $ hg log -G --template '{rev}: {desc} [{branches}] @ {date}\n' o 11: r11 [] @ 11.00 | o 10: r10 [] @ 10.00 | o 9: r9 [] @ 9.00 |\ | o 8: r8 [temp] @ 8.00 | | | o 7: r7 [temp] @ 7.00 | | | o 6: r6 [temp] @ 6.00 | | | o 5: r5 [temp] @ 5.00 | | o | 4: r4 [] @ 4.00 | | o | 3: r3 [] @ 3.00 | | o | 2: r2 [] @ 2.00 |/ o 1: r1 [] @ 1.00 | o 0: r0 [] @ 0.00 glog mf $ hg log -G --template '{rev}: {desc} [{branches}]\n' mf o 11: r11 [] | o 10: r10 [] | o 9: r9 [] |\ | o 8: r8 [temp] | | | o 7: r7 [temp] | | | o 6: r6 [temp] | | | o 5: r5 [temp] | | o | 4: r4 [] | | o | 3: r3 [] | | o | 2: r2 [] |/ o 1: r1 [] | o 0: r0 [] man r4 $ hg manifest -r4 mf nf0 nf1 nf2 nf3 nf4 cat r4 mf $ hg cat -r4 mf 0 r0 1 2 r1 3 4 r2 5 6 r3 7 8 r4 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 man r8 $ hg manifest -r8 mf nf0 nf1 nf5 nf6 nf7 nf8 cat r8 mf $ hg cat -r8 mf 0 r0 1 2 r1 3 4 5 6 7 8 9 10 r5 11 12 r6 13 14 r7 15 16 r8 17 18 19 20 21 22 23 man $ hg manifest --rev tip mf nf0 nf1 nf10 nf11 nf2 nf3 nf4 nf5 nf6 nf7 nf8 nf9 cat mf $ hg cat mf --rev tip 0 r0 1 2 r1 3 4 r2 5 6 r3 7 8 r4 9 10 r5 11 12 r6 13 14 r7 15 16 r8 17 18 r9 19 20 r10 21 22 r11 23