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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 08:50:31 +0000 |
commit | aed8ce9da277f5ecffe968b324f242c41c3b752a (patch) | |
tree | d2e538394cb7a8a7c42a4aac6ccf1a8e3256999b /src/testdir/test_signals.vim | |
parent | Initial commit. (diff) | |
download | vim-upstream.tar.xz vim-upstream.zip |
Adding upstream version 2:9.0.1378.upstream/2%9.0.1378upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/testdir/test_signals.vim | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/src/testdir/test_signals.vim b/src/testdir/test_signals.vim new file mode 100644 index 0000000..4b6c734 --- /dev/null +++ b/src/testdir/test_signals.vim @@ -0,0 +1,205 @@ +" Test signal handling. + +source check.vim +source term_util.vim + +CheckUnix + +source shared.vim + +" Check whether a signal is available on this system. +func HasSignal(signal) + let signals = system('kill -l') + return signals =~# '\<' .. a:signal .. '\>' +endfunc + +" Test signal WINCH (window resize signal) +func Test_signal_WINCH() + CheckNotGui + if !HasSignal('WINCH') + throw 'Skipped: WINCH signal not supported' + endif + + " We do not actually want to change the size of the terminal. + let old_WS = '' + if exists('&t_WS') + let old_WS = &t_WS + let &t_WS = '' + endif + + let old_lines = &lines + let old_columns = &columns + let new_lines = &lines - 2 + let new_columns = &columns - 2 + + exe 'set lines=' .. new_lines + exe 'set columns=' .. new_columns + call assert_equal(new_lines, &lines) + call assert_equal(new_columns, &columns) + + " Send signal and wait for signal to be processed. + " 'lines' and 'columns' should have been restored + " after handing signal WINCH. + exe 'silent !kill -s WINCH ' .. getpid() + call WaitForAssert({-> assert_equal(old_lines, &lines)}) + call assert_equal(old_columns, &columns) + + if old_WS != '' + let &t_WS = old_WS + endif +endfunc + +" Test signal PWR, which should update the swap file. +func Test_signal_PWR() + if !HasSignal('PWR') + throw 'Skipped: PWR signal not supported' + endif + + " Set a very large 'updatetime' and 'updatecount', so that we can be sure + " that swap file is updated as a result of sending PWR signal, and not + " because of exceeding 'updatetime' or 'updatecount' when changing buffer. + set updatetime=100000 updatecount=100000 + new Xtest_signal_PWR + let swap_name = swapname('%') + call setline(1, '123') + preserve + let swap_content = readfile(swap_name, 'b') + + " Update the buffer and check that the swap file is not yet updated, + " since we set 'updatetime' and 'updatecount' to large values. + call setline(1, 'abc') + call assert_equal(swap_content, readfile(swap_name, 'b')) + + " Sending PWR signal should update the swap file. + exe 'silent !kill -s PWR ' .. getpid() + call WaitForAssert({-> assert_notequal(swap_content, readfile(swap_name, 'b'))}) + + bwipe! + set updatetime& updatecount& +endfunc + +" Test signal INT. Handler sets got_int. It should be like typing CTRL-C. +func Test_signal_INT() + CheckRunVimInTerminal + if !HasSignal('INT') + throw 'Skipped: INT signal not supported' + endif + + let buf = RunVimInTerminal('', {'rows': 6}) + let pid_vim = term_getjob(buf)->job_info().process + + " Check that an endless loop in Vim is interrupted by signal INT. + call term_sendkeys(buf, ":call setline(1, 'running')\n") + call term_sendkeys(buf, ":while 1 | endwhile\n") + call WaitForAssert({-> assert_equal(':while 1 | endwhile', term_getline(buf, 6))}) + exe 'silent !kill -s INT ' .. pid_vim + sleep 50m + call term_sendkeys(buf, ":call setline(1, 'INTERRUPTED')\n") + call WaitForAssert({-> assert_equal('INTERRUPTED', term_getline(buf, 1))}) + + call StopVimInTerminal(buf) +endfunc + +" Test signal TSTP. Handler sets got_tstp. +func Test_signal_TSTP() + CheckRunVimInTerminal + if !HasSignal('TSTP') + throw 'Skipped: TSTP signal not supported' + endif + + " If test fails once, it can leave temporary files and trying to rerun + " the test would then fail again if they are not deleted first. + call delete('.Xsig_TERM.swp') + call delete('XsetupAucmd') + call delete('XautoOut1') + call delete('XautoOut2') + let lines =<< trim END + au VimSuspend * call writefile(["VimSuspend triggered"], "XautoOut1", "as") + au VimResume * call writefile(["VimResume triggered"], "XautoOut2", "as") + END + call writefile(lines, 'XsetupAucmd', 'D') + + let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6}) + let pid_vim = term_getjob(buf)->job_info().process + + call term_sendkeys(buf, ":call setline(1, 'foo')\n") + call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))}) + + call assert_false(filereadable('Xsig_TERM')) + + " After TSTP the file is not saved (same function as ^Z) + exe 'silent !kill -s TSTP ' .. pid_vim + call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))}) + sleep 100m + + " We resume after the suspend. Sleep a bit for the signal to take effect, + " also when running under valgrind. + exe 'silent !kill -s CONT ' .. pid_vim + call WaitForAssert({-> assert_true(filereadable('XautoOut2'))}) + sleep 10m + + call StopVimInTerminal(buf) + + let result = readfile('XautoOut1') + call assert_equal(["VimSuspend triggered"], result) + let result = readfile('XautoOut2') + call assert_equal(["VimResume triggered"], result) + + %bwipe! + call delete('.Xsig_TERM.swp') + call delete('XautoOut1') + call delete('XautoOut2') +endfunc + +" Test a deadly signal. +" +" There are several deadly signals: SISEGV, SIBUS, SIGTERM... +" Test uses signal SIGTERM as it does not create a core +" dump file unlike SIGSEGV, SIGBUS, etc. See "man 7 signals. +" +" Vim should exit with a deadly signal and unsaved changes +" should be recoverable from the swap file preserved as a +" result of the deadly signal handler. +func Test_deadly_signal_TERM() + if !HasSignal('TERM') + throw 'Skipped: TERM signal not supported' + endif + CheckRunVimInTerminal + + " If test fails once, it can leave temporary files and trying to rerun + " the test would then fail again if they are not deleted first. + call delete('.Xsig_TERM.swp') + call delete('XsetupAucmd') + call delete('XautoOut') + let lines =<< trim END + au VimLeave * call writefile(["VimLeave triggered"], "XautoOut", "as") + au VimLeavePre * call writefile(["VimLeavePre triggered"], "XautoOut", "as") + END + call writefile(lines, 'XsetupAucmd', 'D') + + let buf = RunVimInTerminal('-S XsetupAucmd Xsig_TERM', {'rows': 6}) + let pid_vim = term_getjob(buf)->job_info().process + + call term_sendkeys(buf, ":call setline(1, 'foo')\n") + call WaitForAssert({-> assert_equal('foo', term_getline(buf, 1))}) + + call assert_false(filereadable('Xsig_TERM')) + exe 'silent !kill -s TERM ' .. pid_vim + call WaitForAssert({-> assert_true(filereadable('.Xsig_TERM.swp'))}) + + " Don't call StopVimInTerminal() as it expects job to be still running. + call WaitForAssert({-> assert_equal("finished", term_getstatus(buf))}) + + new + silent recover .Xsig_TERM.swp + call assert_equal(['foo'], getline(1, '$')) + + let result = readfile('XautoOut') + call assert_equal(["VimLeavePre triggered", "VimLeave triggered"], result) + + %bwipe! + call delete('.Xsig_TERM.swp') + call delete('XautoOut') +endfunc + +" vim: ts=8 sw=2 sts=2 tw=80 fdm=marker |