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653 lines
19 KiB
Bash
653 lines
19 KiB
Bash
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#! /bin/sh
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# Copyright (C) 2011-2013 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# As a special exception to the GNU General Public License, if you
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# distribute this file as part of a program that contains a
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# configuration script generated by Autoconf, you may include it under
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# the same distribution terms that you use for the rest of that program.
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# This file is maintained in Automake, please report
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# bugs to <bug-automake@gnu.org> or send patches to
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# <automake-patches@gnu.org>.
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scriptversion=2011-12-27.17; # UTC
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# Make unconditional expansion of undefined variables an error. This
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# helps a lot in preventing typo-related bugs.
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set -u
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me=tap-driver.sh
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fatal ()
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{
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echo "$me: fatal: $*" >&2
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exit 1
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}
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usage_error ()
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{
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echo "$me: $*" >&2
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print_usage >&2
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exit 2
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}
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print_usage ()
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{
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cat <<END
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Usage:
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tap-driver.sh --test-name=NAME --log-file=PATH --trs-file=PATH
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[--expect-failure={yes|no}] [--color-tests={yes|no}]
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[--enable-hard-errors={yes|no}] [--ignore-exit]
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[--diagnostic-string=STRING] [--merge|--no-merge]
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[--comments|--no-comments] [--] TEST-COMMAND
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The \`--test-name', \`--log-file' and \`--trs-file' options are mandatory.
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END
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}
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# TODO: better error handling in option parsing (in particular, ensure
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# TODO: $log_file, $trs_file and $test_name are defined).
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test_name= # Used for reporting.
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log_file= # Where to save the result and output of the test script.
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trs_file= # Where to save the metadata of the test run.
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expect_failure=0
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color_tests=0
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merge=0
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ignore_exit=0
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comments=0
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diag_string='#'
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while test $# -gt 0; do
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case $1 in
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--help) print_usage; exit $?;;
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--version) echo "$me $scriptversion"; exit $?;;
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--test-name) test_name=$2; shift;;
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--log-file) log_file=$2; shift;;
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--trs-file) trs_file=$2; shift;;
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--color-tests) color_tests=$2; shift;;
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--expect-failure) expect_failure=$2; shift;;
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--enable-hard-errors) shift;; # No-op.
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--merge) merge=1;;
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--no-merge) merge=0;;
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--ignore-exit) ignore_exit=1;;
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--comments) comments=1;;
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--no-comments) comments=0;;
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--diagnostic-string) diag_string=$2; shift;;
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--) shift; break;;
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-*) usage_error "invalid option: '$1'";;
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esac
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shift
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done
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test $# -gt 0 || usage_error "missing test command"
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case $expect_failure in
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yes) expect_failure=1;;
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*) expect_failure=0;;
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esac
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if test $color_tests = yes; then
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init_colors='
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color_map["red"]="[0;31m" # Red.
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color_map["grn"]="[0;32m" # Green.
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color_map["lgn"]="[1;32m" # Light green.
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color_map["blu"]="[1;34m" # Blue.
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color_map["mgn"]="[0;35m" # Magenta.
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color_map["std"]="[m" # No color.
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color_for_result["ERROR"] = "mgn"
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color_for_result["PASS"] = "grn"
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color_for_result["XPASS"] = "red"
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color_for_result["FAIL"] = "red"
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color_for_result["XFAIL"] = "lgn"
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color_for_result["SKIP"] = "blu"'
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else
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init_colors=''
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fi
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# :; is there to work around a bug in bash 3.2 (and earlier) which
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# does not always set '$?' properly on redirection failure.
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# See the Autoconf manual for more details.
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:;{
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(
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# Ignore common signals (in this subshell only!), to avoid potential
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# problems with Korn shells. Some Korn shells are known to propagate
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# to themselves signals that have killed a child process they were
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# waiting for; this is done at least for SIGINT (and usually only for
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# it, in truth). Without the `trap' below, such a behaviour could
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# cause a premature exit in the current subshell, e.g., in case the
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# test command it runs gets terminated by a SIGINT. Thus, the awk
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# script we are piping into would never seen the exit status it
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# expects on its last input line (which is displayed below by the
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# last `echo $?' statement), and would thus die reporting an internal
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# error.
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# For more information, see the Autoconf manual and the threads:
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# <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
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# <http://mail.opensolaris.org/pipermail/ksh93-integration-discuss/2009-February/004121.html>
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trap : 1 3 2 13 15
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if test $merge -gt 0; then
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exec 2>&1
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else
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exec 2>&3
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fi
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"$@"
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echo $?
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) | LC_ALL=C ${AM_TAP_AWK-awk} \
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-v me="$me" \
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-v test_script_name="$test_name" \
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-v log_file="$log_file" \
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-v trs_file="$trs_file" \
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-v expect_failure="$expect_failure" \
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-v merge="$merge" \
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-v ignore_exit="$ignore_exit" \
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-v comments="$comments" \
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-v diag_string="$diag_string" \
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'
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# FIXME: the usages of "cat >&3" below could be optimized when using
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# FIXME: GNU awk, and/on on systems that supports /dev/fd/.
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# Implementation note: in what follows, `result_obj` will be an
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# associative array that (partly) simulates a TAP result object
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# from the `TAP::Parser` perl module.
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## ----------- ##
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## FUNCTIONS ##
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## ----------- ##
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function fatal(msg)
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{
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print me ": " msg | "cat >&2"
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exit 1
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}
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function abort(where)
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{
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fatal("internal error " where)
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}
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# Convert a boolean to a "yes"/"no" string.
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function yn(bool)
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{
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return bool ? "yes" : "no";
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}
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function add_test_result(result)
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{
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if (!test_results_index)
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test_results_index = 0
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test_results_list[test_results_index] = result
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test_results_index += 1
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test_results_seen[result] = 1;
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}
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# Whether the test script should be re-run by "make recheck".
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function must_recheck()
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{
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for (k in test_results_seen)
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if (k != "XFAIL" && k != "PASS" && k != "SKIP")
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return 1
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return 0
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}
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# Whether the content of the log file associated to this test should
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# be copied into the "global" test-suite.log.
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function copy_in_global_log()
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{
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for (k in test_results_seen)
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if (k != "PASS")
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return 1
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return 0
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}
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# FIXME: this can certainly be improved ...
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function get_global_test_result()
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{
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if ("ERROR" in test_results_seen)
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return "ERROR"
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if ("FAIL" in test_results_seen || "XPASS" in test_results_seen)
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return "FAIL"
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all_skipped = 1
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for (k in test_results_seen)
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if (k != "SKIP")
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all_skipped = 0
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if (all_skipped)
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return "SKIP"
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return "PASS";
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}
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function stringify_result_obj(result_obj)
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{
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if (result_obj["is_unplanned"] || result_obj["number"] != testno)
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return "ERROR"
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if (plan_seen == LATE_PLAN)
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return "ERROR"
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if (result_obj["directive"] == "TODO")
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return result_obj["is_ok"] ? "XPASS" : "XFAIL"
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if (result_obj["directive"] == "SKIP")
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return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL;
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if (length(result_obj["directive"]))
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abort("in function stringify_result_obj()")
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return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL
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}
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function decorate_result(result)
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{
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color_name = color_for_result[result]
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if (color_name)
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return color_map[color_name] "" result "" color_map["std"]
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# If we are not using colorized output, or if we do not know how
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# to colorize the given result, we should return it unchanged.
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return result
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}
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function report(result, details)
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{
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if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/)
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{
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msg = ": " test_script_name
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add_test_result(result)
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}
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else if (result == "#")
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{
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msg = " " test_script_name ":"
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}
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else
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{
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abort("in function report()")
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}
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if (length(details))
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msg = msg " " details
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# Output on console might be colorized.
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print decorate_result(result) msg
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# Log the result in the log file too, to help debugging (this is
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# especially true when said result is a TAP error or "Bail out!").
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print result msg | "cat >&3";
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}
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function testsuite_error(error_message)
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{
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report("ERROR", "- " error_message)
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}
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function handle_tap_result()
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{
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details = result_obj["number"];
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if (length(result_obj["description"]))
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details = details " " result_obj["description"]
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if (plan_seen == LATE_PLAN)
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{
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details = details " # AFTER LATE PLAN";
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}
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else if (result_obj["is_unplanned"])
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{
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details = details " # UNPLANNED";
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}
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else if (result_obj["number"] != testno)
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{
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details = sprintf("%s # OUT-OF-ORDER (expecting %d)",
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details, testno);
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}
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else if (result_obj["directive"])
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{
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details = details " # " result_obj["directive"];
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if (length(result_obj["explanation"]))
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details = details " " result_obj["explanation"]
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}
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report(stringify_result_obj(result_obj), details)
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}
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# `skip_reason` should be empty whenever planned > 0.
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function handle_tap_plan(planned, skip_reason)
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{
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planned += 0 # Avoid getting confused if, say, `planned` is "00"
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if (length(skip_reason) && planned > 0)
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abort("in function handle_tap_plan()")
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if (plan_seen)
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{
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# Error, only one plan per stream is acceptable.
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testsuite_error("multiple test plans")
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return;
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}
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planned_tests = planned
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# The TAP plan can come before or after *all* the TAP results; we speak
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# respectively of an "early" or a "late" plan. If we see the plan line
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# after at least one TAP result has been seen, assume we have a late
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# plan; in this case, any further test result seen after the plan will
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# be flagged as an error.
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plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN)
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# If testno > 0, we have an error ("too many tests run") that will be
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# automatically dealt with later, so do not worry about it here. If
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# $plan_seen is true, we have an error due to a repeated plan, and that
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# has already been dealt with above. Otherwise, we have a valid "plan
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# with SKIP" specification, and should report it as a particular kind
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# of SKIP result.
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if (planned == 0 && testno == 0)
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{
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if (length(skip_reason))
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skip_reason = "- " skip_reason;
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report("SKIP", skip_reason);
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}
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}
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function extract_tap_comment(line)
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{
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if (index(line, diag_string) == 1)
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{
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# Strip leading `diag_string` from `line`.
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line = substr(line, length(diag_string) + 1)
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# And strip any leading and trailing whitespace left.
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sub("^[ \t]*", "", line)
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sub("[ \t]*$", "", line)
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# Return what is left (if any).
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return line;
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}
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return "";
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}
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# When this function is called, we know that line is a TAP result line,
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# so that it matches the (perl) RE "^(not )?ok\b".
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function setup_result_obj(line)
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{
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# Get the result, and remove it from the line.
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result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0)
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sub("^(not )?ok[ \t]*", "", line)
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# If the result has an explicit number, get it and strip it; otherwise,
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# automatically assing the next progresive number to it.
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if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/)
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{
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match(line, "^[0-9]+")
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# The final `+ 0` is to normalize numbers with leading zeros.
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result_obj["number"] = substr(line, 1, RLENGTH) + 0
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line = substr(line, RLENGTH + 1)
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}
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else
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{
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result_obj["number"] = testno
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}
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if (plan_seen == LATE_PLAN)
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# No further test results are acceptable after a "late" TAP plan
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# has been seen.
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result_obj["is_unplanned"] = 1
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else if (plan_seen && testno > planned_tests)
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result_obj["is_unplanned"] = 1
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else
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result_obj["is_unplanned"] = 0
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# Strip trailing and leading whitespace.
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sub("^[ \t]*", "", line)
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sub("[ \t]*$", "", line)
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# This will have to be corrected if we have a "TODO"/"SKIP" directive.
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result_obj["description"] = line
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result_obj["directive"] = ""
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result_obj["explanation"] = ""
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if (index(line, "#") == 0)
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return # No possible directive, nothing more to do.
|
|||
|
|
|||
|
# Directives are case-insensitive.
|
|||
|
rx = "[ \t]*#[ \t]*([tT][oO][dD][oO]|[sS][kK][iI][pP])[ \t]*"
|
|||
|
|
|||
|
# See whether we have the directive, and if yes, where.
|
|||
|
pos = match(line, rx "$")
|
|||
|
if (!pos)
|
|||
|
pos = match(line, rx "[^a-zA-Z0-9_]")
|
|||
|
|
|||
|
# If there was no TAP directive, we have nothing more to do.
|
|||
|
if (!pos)
|
|||
|
return
|
|||
|
|
|||
|
# Let`s now see if the TAP directive has been escaped. For example:
|
|||
|
# escaped: ok \# SKIP
|
|||
|
# not escaped: ok \\# SKIP
|
|||
|
# escaped: ok \\\\\# SKIP
|
|||
|
# not escaped: ok \ # SKIP
|
|||
|
if (substr(line, pos, 1) == "#")
|
|||
|
{
|
|||
|
bslash_count = 0
|
|||
|
for (i = pos; i > 1 && substr(line, i - 1, 1) == "\\"; i--)
|
|||
|
bslash_count += 1
|
|||
|
if (bslash_count % 2)
|
|||
|
return # Directive was escaped.
|
|||
|
}
|
|||
|
|
|||
|
# Strip the directive and its explanation (if any) from the test
|
|||
|
# description.
|
|||
|
result_obj["description"] = substr(line, 1, pos - 1)
|
|||
|
# Now remove the test description from the line, that has been dealt
|
|||
|
# with already.
|
|||
|
line = substr(line, pos)
|
|||
|
# Strip the directive, and save its value (normalized to upper case).
|
|||
|
sub("^[ \t]*#[ \t]*", "", line)
|
|||
|
result_obj["directive"] = toupper(substr(line, 1, 4))
|
|||
|
line = substr(line, 5)
|
|||
|
# Now get the explanation for the directive (if any), with leading
|
|||
|
# and trailing whitespace removed.
|
|||
|
sub("^[ \t]*", "", line)
|
|||
|
sub("[ \t]*$", "", line)
|
|||
|
result_obj["explanation"] = line
|
|||
|
}
|
|||
|
|
|||
|
function get_test_exit_message(status)
|
|||
|
{
|
|||
|
if (status == 0)
|
|||
|
return ""
|
|||
|
if (status !~ /^[1-9][0-9]*$/)
|
|||
|
abort("getting exit status")
|
|||
|
if (status < 127)
|
|||
|
exit_details = ""
|
|||
|
else if (status == 127)
|
|||
|
exit_details = " (command not found?)"
|
|||
|
else if (status >= 128 && status <= 255)
|
|||
|
exit_details = sprintf(" (terminated by signal %d?)", status - 128)
|
|||
|
else if (status > 256 && status <= 384)
|
|||
|
# We used to report an "abnormal termination" here, but some Korn
|
|||
|
# shells, when a child process die due to signal number n, can leave
|
|||
|
# in $? an exit status of 256+n instead of the more standard 128+n.
|
|||
|
# Apparently, both behaviours are allowed by POSIX (2008), so be
|
|||
|
# prepared to handle them both. See also Austing Group report ID
|
|||
|
# 0000051 <http://www.austingroupbugs.net/view.php?id=51>
|
|||
|
exit_details = sprintf(" (terminated by signal %d?)", status - 256)
|
|||
|
else
|
|||
|
# Never seen in practice.
|
|||
|
exit_details = " (abnormal termination)"
|
|||
|
return sprintf("exited with status %d%s", status, exit_details)
|
|||
|
}
|
|||
|
|
|||
|
function write_test_results()
|
|||
|
{
|
|||
|
print ":global-test-result: " get_global_test_result() > trs_file
|
|||
|
print ":recheck: " yn(must_recheck()) > trs_file
|
|||
|
print ":copy-in-global-log: " yn(copy_in_global_log()) > trs_file
|
|||
|
for (i = 0; i < test_results_index; i += 1)
|
|||
|
print ":test-result: " test_results_list[i] > trs_file
|
|||
|
close(trs_file);
|
|||
|
}
|
|||
|
|
|||
|
BEGIN {
|
|||
|
|
|||
|
## ------- ##
|
|||
|
## SETUP ##
|
|||
|
## ------- ##
|
|||
|
|
|||
|
'"$init_colors"'
|
|||
|
|
|||
|
# Properly initialized once the TAP plan is seen.
|
|||
|
planned_tests = 0
|
|||
|
|
|||
|
COOKED_PASS = expect_failure ? "XPASS": "PASS";
|
|||
|
COOKED_FAIL = expect_failure ? "XFAIL": "FAIL";
|
|||
|
|
|||
|
# Enumeration-like constants to remember which kind of plan (if any)
|
|||
|
# has been seen. It is important that NO_PLAN evaluates "false" as
|
|||
|
# a boolean.
|
|||
|
NO_PLAN = 0
|
|||
|
EARLY_PLAN = 1
|
|||
|
LATE_PLAN = 2
|
|||
|
|
|||
|
testno = 0 # Number of test results seen so far.
|
|||
|
bailed_out = 0 # Whether a "Bail out!" directive has been seen.
|
|||
|
|
|||
|
# Whether the TAP plan has been seen or not, and if yes, which kind
|
|||
|
# it is ("early" is seen before any test result, "late" otherwise).
|
|||
|
plan_seen = NO_PLAN
|
|||
|
|
|||
|
## --------- ##
|
|||
|
## PARSING ##
|
|||
|
## --------- ##
|
|||
|
|
|||
|
is_first_read = 1
|
|||
|
|
|||
|
while (1)
|
|||
|
{
|
|||
|
# Involutions required so that we are able to read the exit status
|
|||
|
# from the last input line.
|
|||
|
st = getline
|
|||
|
if (st < 0) # I/O error.
|
|||
|
fatal("I/O error while reading from input stream")
|
|||
|
else if (st == 0) # End-of-input
|
|||
|
{
|
|||
|
if (is_first_read)
|
|||
|
abort("in input loop: only one input line")
|
|||
|
break
|
|||
|
}
|
|||
|
if (is_first_read)
|
|||
|
{
|
|||
|
is_first_read = 0
|
|||
|
nextline = $0
|
|||
|
continue
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
curline = nextline
|
|||
|
nextline = $0
|
|||
|
$0 = curline
|
|||
|
}
|
|||
|
# Copy any input line verbatim into the log file.
|
|||
|
print | "cat >&3"
|
|||
|
# Parsing of TAP input should stop after a "Bail out!" directive.
|
|||
|
if (bailed_out)
|
|||
|
continue
|
|||
|
|
|||
|
# TAP test result.
|
|||
|
if ($0 ~ /^(not )?ok$/ || $0 ~ /^(not )?ok[^a-zA-Z0-9_]/)
|
|||
|
{
|
|||
|
testno += 1
|
|||
|
setup_result_obj($0)
|
|||
|
handle_tap_result()
|
|||
|
}
|
|||
|
# TAP plan (normal or "SKIP" without explanation).
|
|||
|
else if ($0 ~ /^1\.\.[0-9]+[ \t]*$/)
|
|||
|
{
|
|||
|
# The next two lines will put the number of planned tests in $0.
|
|||
|
sub("^1\\.\\.", "")
|
|||
|
sub("[^0-9]*$", "")
|
|||
|
handle_tap_plan($0, "")
|
|||
|
continue
|
|||
|
}
|
|||
|
# TAP "SKIP" plan, with an explanation.
|
|||
|
else if ($0 ~ /^1\.\.0+[ \t]*#/)
|
|||
|
{
|
|||
|
# The next lines will put the skip explanation in $0, stripping
|
|||
|
# any leading and trailing whitespace. This is a little more
|
|||
|
# tricky in truth, since we want to also strip a potential leading
|
|||
|
# "SKIP" string from the message.
|
|||
|
sub("^[^#]*#[ \t]*(SKIP[: \t][ \t]*)?", "")
|
|||
|
sub("[ \t]*$", "");
|
|||
|
handle_tap_plan(0, $0)
|
|||
|
}
|
|||
|
# "Bail out!" magic.
|
|||
|
# Older versions of prove and TAP::Harness (e.g., 3.17) did not
|
|||
|
# recognize a "Bail out!" directive when preceded by leading
|
|||
|
# whitespace, but more modern versions (e.g., 3.23) do. So we
|
|||
|
# emulate the latter, "more modern" behaviour.
|
|||
|
else if ($0 ~ /^[ \t]*Bail out!/)
|
|||
|
{
|
|||
|
bailed_out = 1
|
|||
|
# Get the bailout message (if any), with leading and trailing
|
|||
|
# whitespace stripped. The message remains stored in `$0`.
|
|||
|
sub("^[ \t]*Bail out![ \t]*", "");
|
|||
|
sub("[ \t]*$", "");
|
|||
|
# Format the error message for the
|
|||
|
bailout_message = "Bail out!"
|
|||
|
if (length($0))
|
|||
|
bailout_message = bailout_message " " $0
|
|||
|
testsuite_error(bailout_message)
|
|||
|
}
|
|||
|
# Maybe we have too look for dianogtic comments too.
|
|||
|
else if (comments != 0)
|
|||
|
{
|
|||
|
comment = extract_tap_comment($0);
|
|||
|
if (length(comment))
|
|||
|
report("#", comment);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
## -------- ##
|
|||
|
## FINISH ##
|
|||
|
## -------- ##
|
|||
|
|
|||
|
# A "Bail out!" directive should cause us to ignore any following TAP
|
|||
|
# error, as well as a non-zero exit status from the TAP producer.
|
|||
|
if (!bailed_out)
|
|||
|
{
|
|||
|
if (!plan_seen)
|
|||
|
{
|
|||
|
testsuite_error("missing test plan")
|
|||
|
}
|
|||
|
else if (planned_tests != testno)
|
|||
|
{
|
|||
|
bad_amount = testno > planned_tests ? "many" : "few"
|
|||
|
testsuite_error(sprintf("too %s tests run (expected %d, got %d)",
|
|||
|
bad_amount, planned_tests, testno))
|
|||
|
}
|
|||
|
if (!ignore_exit)
|
|||
|
{
|
|||
|
# Fetch exit status from the last line.
|
|||
|
exit_message = get_test_exit_message(nextline)
|
|||
|
if (exit_message)
|
|||
|
testsuite_error(exit_message)
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
write_test_results()
|
|||
|
|
|||
|
exit 0
|
|||
|
|
|||
|
} # End of "BEGIN" block.
|
|||
|
'
|
|||
|
|
|||
|
# TODO: document that we consume the file descriptor 3 :-(
|
|||
|
} 3>"$log_file"
|
|||
|
|
|||
|
test $? -eq 0 || fatal "I/O or internal error"
|
|||
|
|
|||
|
# Local Variables:
|
|||
|
# mode: shell-script
|
|||
|
# sh-indentation: 2
|
|||
|
# eval: (add-hook 'write-file-hooks 'time-stamp)
|
|||
|
# time-stamp-start: "scriptversion="
|
|||
|
# time-stamp-format: "%:y-%02m-%02d.%02H"
|
|||
|
# time-stamp-time-zone: "UTC"
|
|||
|
# time-stamp-end: "; # UTC"
|
|||
|
# End:
|