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run-tests: mechanism to report exceptions during test execution...
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

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test-identify.t
163 lines | 3.1 KiB | text/troff | Tads3Lexer
#require serve
#if no-outer-repo
no repo
$ hg id
abort: there is no Mercurial repository here (.hg not found)
[255]
#endif
create repo
$ hg init test
$ cd test
$ echo a > a
$ hg ci -Ama
adding a
basic id usage
$ hg id
cb9a9f314b8b tip
$ hg id --debug
cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b tip
$ hg id -q
cb9a9f314b8b
$ hg id -v
cb9a9f314b8b tip
with options
$ hg id -r.
cb9a9f314b8b tip
$ hg id -n
0
$ hg id -t
tip
$ hg id -b
default
$ hg id -i
cb9a9f314b8b
$ hg id -n -t -b -i
cb9a9f314b8b 0 default tip
$ hg id -Tjson
[
{
"bookmarks": [],
"branch": "default",
"dirty": "",
"id": "cb9a9f314b8b",
"node": "ffffffffffffffffffffffffffffffffffffffff",
"parents": [{"node": "cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b", "rev": 0}],
"tags": ["tip"]
}
]
test template keywords and functions which require changectx:
$ hg id -T '{rev} {node|shortest}\n'
2147483647 ffff
$ hg id -T '{parents % "{rev} {node|shortest} {desc}\n"}'
0 cb9a a
with modifications
$ echo b > a
$ hg id -n -t -b -i
cb9a9f314b8b+ 0+ default tip
$ hg id -Tjson
[
{
"bookmarks": [],
"branch": "default",
"dirty": "+",
"id": "cb9a9f314b8b+",
"node": "ffffffffffffffffffffffffffffffffffffffff",
"parents": [{"node": "cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b", "rev": 0}],
"tags": ["tip"]
}
]
other local repo
$ cd ..
$ hg -R test id
cb9a9f314b8b+ tip
#if no-outer-repo
$ hg id test
cb9a9f314b8b+ tip
#endif
with remote http repo
$ cd test
$ hg serve -p $HGPORT1 -d --pid-file=hg.pid
$ cat hg.pid >> $DAEMON_PIDS
$ hg id http://localhost:$HGPORT1/
cb9a9f314b8b
remote with rev number?
$ hg id -n http://localhost:$HGPORT1/
abort: can't query remote revision number, branch, or tags
[255]
remote with tags?
$ hg id -t http://localhost:$HGPORT1/
abort: can't query remote revision number, branch, or tags
[255]
remote with branch?
$ hg id -b http://localhost:$HGPORT1/
abort: can't query remote revision number, branch, or tags
[255]
test bookmark support
$ hg bookmark Y
$ hg bookmark Z
$ hg bookmarks
Y 0:cb9a9f314b8b
* Z 0:cb9a9f314b8b
$ hg id
cb9a9f314b8b+ tip Y/Z
$ hg id --bookmarks
Y Z
test remote identify with bookmarks
$ hg id http://localhost:$HGPORT1/
cb9a9f314b8b Y/Z
$ hg id --bookmarks http://localhost:$HGPORT1/
Y Z
$ hg id -r . http://localhost:$HGPORT1/
cb9a9f314b8b Y/Z
$ hg id --bookmarks -r . http://localhost:$HGPORT1/
Y Z
test invalid lookup
$ hg id -r noNoNO http://localhost:$HGPORT1/
abort: unknown revision 'noNoNO'!
[255]
Make sure we do not obscure unknown requires file entries (issue2649)
$ echo fake >> .hg/requires
$ hg id
abort: repository requires features unknown to this Mercurial: fake!
(see https://mercurial-scm.org/wiki/MissingRequirement for more information)
[255]
$ cd ..
#if no-outer-repo
$ hg id test
abort: repository requires features unknown to this Mercurial: fake!
(see https://mercurial-scm.org/wiki/MissingRequirement for more information)
[255]
#endif