Mercurial > hg
view tests/test-sparse-import.t @ 40036:acf5dbe39478
showstack: also handle SIGALRM
This is looking *very* handy when debugging mysterious hangs in a
test: you can wrap a hanging invocation in
`perl -e 'alarm shift @ARGV; exec @ARGV' 1`
for example, a hanging `hg pull` becomes
`perl -e 'alarm shift @ARGV; exec @ARGV' 1 hg pull`
where the `1` is the timeout in seconds before the process will be hit
with SIGALRM. After making that edit to the test file, you can then
use --extra-config-opt on run-tests.py to globaly enable showstack
during the test run, so you'll get full stack traces as you force your
hg to exit.
I wonder (but only a little, not enough to take action just yet) if we
should wire up some scaffolding in run-tests itself to automatically
wrap all commands in alarm(3) somehow to avoid hangs in the future?
Differential Revision: https://phab.mercurial-scm.org/D4870
author | Augie Fackler <augie@google.com> |
---|---|
date | Wed, 03 Oct 2018 16:03:16 -0400 |
parents | 33d0859c37bd |
children | 5c2a4f37eace |
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test sparse $ hg init myrepo $ cd myrepo $ cat >> $HGRCPATH <<EOF > [extensions] > sparse= > purge= > strip= > rebase= > EOF $ echo a > index.html $ echo x > data.py $ echo z > readme.txt $ cat > base.sparse <<EOF > [include] > *.sparse > EOF $ hg ci -Aqm 'initial' $ cat > webpage.sparse <<EOF > %include base.sparse > [include] > *.html > EOF $ hg ci -Aqm 'initial' Import a rules file against a 'blank' sparse profile $ cat > $TESTTMP/rules_to_import <<EOF > [include] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import $ ls data.py $ hg debugsparse --reset $ rm .hg/sparse $ cat > $TESTTMP/rules_to_import <<EOF > %include base.sparse > [include] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import $ ls base.sparse data.py webpage.sparse $ hg debugsparse --reset $ rm .hg/sparse Start against an existing profile; rules *already active* should be ignored $ hg debugsparse --enable-profile webpage.sparse $ hg debugsparse --include *.py $ cat > $TESTTMP/rules_to_import <<EOF > %include base.sparse > [include] > *.html > *.txt > [exclude] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import $ ls base.sparse index.html readme.txt webpage.sparse $ cat .hg/sparse %include webpage.sparse [include] *.py *.txt [exclude] *.py $ hg debugsparse --reset $ rm .hg/sparse Same tests, with -Tjson enabled to output summaries $ cat > $TESTTMP/rules_to_import <<EOF > [include] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import -Tjson [ { "exclude_rules_added": 0, "files_added": 0, "files_conflicting": 0, "files_dropped": 4, "include_rules_added": 1, "profiles_added": 0 } ] $ hg debugsparse --reset $ rm .hg/sparse $ cat > $TESTTMP/rules_to_import <<EOF > %include base.sparse > [include] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import -Tjson [ { "exclude_rules_added": 0, "files_added": 0, "files_conflicting": 0, "files_dropped": 2, "include_rules_added": 1, "profiles_added": 1 } ] $ hg debugsparse --reset $ rm .hg/sparse $ hg debugsparse --enable-profile webpage.sparse $ hg debugsparse --include *.py $ cat > $TESTTMP/rules_to_import <<EOF > %include base.sparse > [include] > *.html > *.txt > [exclude] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import -Tjson [ { "exclude_rules_added": 1, "files_added": 1, "files_conflicting": 0, "files_dropped": 1, "include_rules_added": 1, "profiles_added": 0 } ] If importing results in no new rules being added, no refresh should take place! $ cat > $TESTTMP/trap_sparse_refresh.py <<EOF > from mercurial import error, sparse > def extsetup(ui): > def abort_refresh(*args, **kwargs): > raise error.Abort('sparse._refresh called!') > sparse.refreshwdir = abort_refresh > EOF $ cat >> $HGRCPATH <<EOF > [extensions] > trap_sparse_refresh=$TESTTMP/trap_sparse_refresh.py > EOF $ cat > $TESTTMP/rules_to_import <<EOF > [include] > *.py > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import If an exception is raised during refresh, restore the existing rules again. $ cat > $TESTTMP/rules_to_import <<EOF > [exclude] > *.html > EOF $ hg debugsparse --import-rules $TESTTMP/rules_to_import abort: sparse._refresh called! [255] $ cat .hg/sparse %include webpage.sparse [include] *.py *.txt [exclude] *.py