tests/test-nointerrupt.t
author Raphaël Gomès <rgomes@octobus.net>
Wed, 02 Feb 2022 15:03:29 +0100
branchstable
changeset 48678 75676122c2bf
parent 48255 8c34edb1ad10
child 49446 8c75ae3f0eea
permissions -rw-r--r--
relnotes: add 6.0.1 and 6.0.2 notes Differential Revision: https://phab.mercurial-scm.org/D12130
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#require no-windows no-rhg
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XXX-RHG this test hangs if `hg` is really `rhg`. This was hidden by the use of
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`alias hg=rhg` by run-tests.py. With such alias removed, this test is revealed
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buggy. This need to be resolved sooner than later.
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Dummy extension simulating unsafe long running command
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  $ SYNC_FILE="$TESTTMP/sync-file"
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  $ export SYNC_FILE
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  $ DONE_FILE="$TESTTMP/done-file"
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  $ export DONE_FILE
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  $ 
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  $ cat > wait_ext.py <<EOF
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  > import os
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  > import time
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  > 
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  > from mercurial.i18n import _
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  > from mercurial import registrar
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  > from mercurial import testing
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  > 
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  > cmdtable = {}
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  > command = registrar.command(cmdtable)
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  > 
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  > @command(b'wait-signal', [], _(b'SYNC_FILE DONE_FILE'), norepo=True)
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  > def sleep(ui, sync_file=b"$SYNC_FILE", done_file=b"$DONE_FILE", **opts):
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  >     start = time.time()
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  >     with ui.uninterruptible():
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  >         testing.write_file(sync_file, b'%d' % os.getpid())
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  >         testing.wait_file(done_file)
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  >         # make sure we get rescheduled and the signal get a chance to be handled
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  >         time.sleep(0.1)
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  >         ui.warn(b"end of unsafe operation\n")
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  >     ui.warn(b"%d second(s) passed\n" % int(time.time() - start))
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  > EOF
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  $ cat > send-signal.sh << EOF
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  > #!/bin/sh
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  > SIG=\$1
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  > if [ -z "\$SIG" ]; then
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  >    echo "send-signal.sh requires one argument" >&2
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  >    exit 1
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  > fi
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  > "$RUNTESTDIR/testlib/wait-on-file" 10 "$SYNC_FILE" || exit 2
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  > kill -s \$SIG \`cat "$SYNC_FILE"\`
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  > sleep 1
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  > touch "$DONE_FILE"
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  > EOF
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#if no-windows
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  $ chmod +x send-signal.sh
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#endif
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Kludge to emulate timeout(1) which is not generally available.
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Set up repository
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  $ hg init repo
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  $ cd repo
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  $ cat >> $HGRCPATH << EOF
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  > [extensions]
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  > wait_ext = $TESTTMP/wait_ext.py
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  > EOF
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Test ctrl-c
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  $ rm -f $SYNC_FILE $DONE_FILE
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  $ sh -c "../send-signal.sh INT" &
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  $ hg wait-signal
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  interrupted!
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  [255]
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  $ cat >> $HGRCPATH << EOF
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  > [experimental]
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  > nointerrupt = yes
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  > EOF
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  $ rm -f $SYNC_FILE $DONE_FILE
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  $ sh -c "../send-signal.sh INT" &
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  $ hg wait-signal
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  interrupted!
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  [255]
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  $ cat >> $HGRCPATH << EOF
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  > [experimental]
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  > nointerrupt-interactiveonly = False
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  > EOF
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  $ rm -f $SYNC_FILE $DONE_FILE
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  $ sh -c "../send-signal.sh INT" &
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  $ hg wait-signal
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  shutting down cleanly
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  press ^C again to terminate immediately (dangerous)
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  end of unsafe operation
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  interrupted!
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  [255]