+++ /dev/null
-#! /bin/sh
-# Copyright (C) 2011-2014 Free Software Foundation, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-# As a special exception to the GNU General Public License, if you
-# distribute this file as part of a program that contains a
-# configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
-
-# This file is maintained in Automake, please report
-# bugs to <bug-automake@gnu.org> or send patches to
-# <automake-patches@gnu.org>.
-
-scriptversion=2013-12-23.17; # UTC
-
-# Make unconditional expansion of undefined variables an error. This
-# helps a lot in preventing typo-related bugs.
-set -u
-
-me=tap-driver.sh
-
-fatal ()
-{
- echo "$me: fatal: $*" >&2
- exit 1
-}
-
-usage_error ()
-{
- echo "$me: $*" >&2
- print_usage >&2
- exit 2
-}
-
-print_usage ()
-{
- cat <<END
-Usage:
- tap-driver.sh --test-name=NAME --log-file=PATH --trs-file=PATH
- [--expect-failure={yes|no}] [--color-tests={yes|no}]
- [--enable-hard-errors={yes|no}] [--ignore-exit]
- [--diagnostic-string=STRING] [--merge|--no-merge]
- [--comments|--no-comments] [--] TEST-COMMAND
-The '--test-name', '-log-file' and '--trs-file' options are mandatory.
-END
-}
-
-# TODO: better error handling in option parsing (in particular, ensure
-# TODO: $log_file, $trs_file and $test_name are defined).
-test_name= # Used for reporting.
-log_file= # Where to save the result and output of the test script.
-trs_file= # Where to save the metadata of the test run.
-expect_failure=0
-color_tests=0
-merge=0
-ignore_exit=0
-comments=0
-diag_string='#'
-while test $# -gt 0; do
- case $1 in
- --help) print_usage; exit $?;;
- --version) echo "$me $scriptversion"; exit $?;;
- --test-name) test_name=$2; shift;;
- --log-file) log_file=$2; shift;;
- --trs-file) trs_file=$2; shift;;
- --color-tests) color_tests=$2; shift;;
- --expect-failure) expect_failure=$2; shift;;
- --enable-hard-errors) shift;; # No-op.
- --merge) merge=1;;
- --no-merge) merge=0;;
- --ignore-exit) ignore_exit=1;;
- --comments) comments=1;;
- --no-comments) comments=0;;
- --diagnostic-string) diag_string=$2; shift;;
- --) shift; break;;
- -*) usage_error "invalid option: '$1'";;
- esac
- shift
-done
-
-test $# -gt 0 || usage_error "missing test command"
-
-case $expect_failure in
- yes) expect_failure=1;;
- *) expect_failure=0;;
-esac
-
-if test $color_tests = yes; then
- init_colors='
- color_map["red"]="\e[0;31m" # Red.
- color_map["grn"]="\e[0;32m" # Green.
- color_map["lgn"]="\e[1;32m" # Light green.
- color_map["blu"]="\e[1;34m" # Blue.
- color_map["mgn"]="\e[0;35m" # Magenta.
- color_map["std"]="\e[m" # No color.
- color_for_result["ERROR"] = "mgn"
- color_for_result["PASS"] = "grn"
- color_for_result["XPASS"] = "red"
- color_for_result["FAIL"] = "red"
- color_for_result["XFAIL"] = "lgn"
- color_for_result["SKIP"] = "blu"'
-else
- init_colors=''
-fi
-
-# :; is there to work around a bug in bash 3.2 (and earlier) which
-# does not always set '$?' properly on redirection failure.
-# See the Autoconf manual for more details.
-:;{
- (
- # Ignore common signals (in this subshell only!), to avoid potential
- # problems with Korn shells. Some Korn shells are known to propagate
- # to themselves signals that have killed a child process they were
- # waiting for; this is done at least for SIGINT (and usually only for
- # it, in truth). Without the `trap' below, such a behaviour could
- # cause a premature exit in the current subshell, e.g., in case the
- # test command it runs gets terminated by a SIGINT. Thus, the awk
- # script we are piping into would never seen the exit status it
- # expects on its last input line (which is displayed below by the
- # last `echo $?' statement), and would thus die reporting an internal
- # error.
- # For more information, see the Autoconf manual and the threads:
- # <http://lists.gnu.org/archive/html/bug-autoconf/2011-09/msg00004.html>
- # <http://mail.opensolaris.org/pipermail/ksh93-integration-discuss/2009-February/004121.html>
- trap : 1 3 2 13 15
- if test $merge -gt 0; then
- exec 2>&1
- else
- exec 2>&3
- fi
- "$@"
- echo $?
- ) | LC_ALL=C ${AM_TAP_AWK-awk} \
- -v me="$me" \
- -v test_script_name="$test_name" \
- -v log_file="$log_file" \
- -v trs_file="$trs_file" \
- -v expect_failure="$expect_failure" \
- -v merge="$merge" \
- -v ignore_exit="$ignore_exit" \
- -v comments="$comments" \
- -v diag_string="$diag_string" \
-'
-# TODO: the usages of "cat >&3" below could be optimized when using
-# GNU awk, and/on on systems that supports /dev/fd/.
-
-# Implementation note: in what follows, `result_obj` will be an
-# associative array that (partly) simulates a TAP result object
-# from the `TAP::Parser` perl module.
-
-## ----------- ##
-## FUNCTIONS ##
-## ----------- ##
-
-function fatal(msg)
-{
- print me ": " msg | "cat >&2"
- exit 1
-}
-
-function abort(where)
-{
- fatal("internal error " where)
-}
-
-# Convert a boolean to a "yes"/"no" string.
-function yn(bool)
-{
- return bool ? "yes" : "no";
-}
-
-function add_test_result(result)
-{
- if (!test_results_index)
- test_results_index = 0
- test_results_list[test_results_index] = result
- test_results_index += 1
- test_results_seen[result] = 1;
-}
-
-# Whether the test script should be re-run by "make recheck".
-function must_recheck()
-{
- for (k in test_results_seen)
- if (k != "XFAIL" && k != "PASS" && k != "SKIP")
- return 1
- return 0
-}
-
-# Whether the content of the log file associated to this test should
-# be copied into the "global" test-suite.log.
-function copy_in_global_log()
-{
- for (k in test_results_seen)
- if (k != "PASS")
- return 1
- return 0
-}
-
-function get_global_test_result()
-{
- if ("ERROR" in test_results_seen)
- return "ERROR"
- if ("FAIL" in test_results_seen || "XPASS" in test_results_seen)
- return "FAIL"
- all_skipped = 1
- for (k in test_results_seen)
- if (k != "SKIP")
- all_skipped = 0
- if (all_skipped)
- return "SKIP"
- return "PASS";
-}
-
-function stringify_result_obj(result_obj)
-{
- if (result_obj["is_unplanned"] || result_obj["number"] != testno)
- return "ERROR"
-
- if (plan_seen == LATE_PLAN)
- return "ERROR"
-
- if (result_obj["directive"] == "TODO")
- return result_obj["is_ok"] ? "XPASS" : "XFAIL"
-
- if (result_obj["directive"] == "SKIP")
- return result_obj["is_ok"] ? "SKIP" : COOKED_FAIL;
-
- if (length(result_obj["directive"]))
- abort("in function stringify_result_obj()")
-
- return result_obj["is_ok"] ? COOKED_PASS : COOKED_FAIL
-}
-
-function decorate_result(result)
-{
- color_name = color_for_result[result]
- if (color_name)
- return color_map[color_name] "" result "" color_map["std"]
- # If we are not using colorized output, or if we do not know how
- # to colorize the given result, we should return it unchanged.
- return result
-}
-
-function report(result, details)
-{
- if (result ~ /^(X?(PASS|FAIL)|SKIP|ERROR)/)
- {
- msg = ": " test_script_name
- add_test_result(result)
- }
- else if (result == "#")
- {
- msg = " " test_script_name ":"
- }
- else
- {
- abort("in function report()")
- }
- if (length(details))
- msg = msg " " details
- # Output on console might be colorized.
- print decorate_result(result) msg
- # Log the result in the log file too, to help debugging (this is
- # especially true when said result is a TAP error or "Bail out!").
- print result msg | "cat >&3";
-}
-
-function testsuite_error(error_message)
-{
- report("ERROR", "- " error_message)
-}
-
-function handle_tap_result()
-{
- details = result_obj["number"];
- if (length(result_obj["description"]))
- details = details " " result_obj["description"]
-
- if (plan_seen == LATE_PLAN)
- {
- details = details " # AFTER LATE PLAN";
- }
- else if (result_obj["is_unplanned"])
- {
- details = details " # UNPLANNED";
- }
- else if (result_obj["number"] != testno)
- {
- details = sprintf("%s # OUT-OF-ORDER (expecting %d)",
- details, testno);
- }
- else if (result_obj["directive"])
- {
- details = details " # " result_obj["directive"];
- if (length(result_obj["explanation"]))
- details = details " " result_obj["explanation"]
- }
-
- report(stringify_result_obj(result_obj), details)
-}
-
-# `skip_reason` should be empty whenever planned > 0.
-function handle_tap_plan(planned, skip_reason)
-{
- planned += 0 # Avoid getting confused if, say, `planned` is "00"
- if (length(skip_reason) && planned > 0)
- abort("in function handle_tap_plan()")
- if (plan_seen)
- {
- # Error, only one plan per stream is acceptable.
- testsuite_error("multiple test plans")
- return;
- }
- planned_tests = planned
- # The TAP plan can come before or after *all* the TAP results; we speak
- # respectively of an "early" or a "late" plan. If we see the plan line
- # after at least one TAP result has been seen, assume we have a late
- # plan; in this case, any further test result seen after the plan will
- # be flagged as an error.
- plan_seen = (testno >= 1 ? LATE_PLAN : EARLY_PLAN)
- # If testno > 0, we have an error ("too many tests run") that will be
- # automatically dealt with later, so do not worry about it here. If
- # $plan_seen is true, we have an error due to a repeated plan, and that
- # has already been dealt with above. Otherwise, we have a valid "plan
- # with SKIP" specification, and should report it as a particular kind
- # of SKIP result.
- if (planned == 0 && testno == 0)
- {
- if (length(skip_reason))
- skip_reason = "- " skip_reason;
- report("SKIP", skip_reason);
- }
-}
-
-function extract_tap_comment(line)
-{
- if (index(line, diag_string) == 1)
- {
- # Strip leading `diag_string` from `line`.
- line = substr(line, length(diag_string) + 1)
- # And strip any leading and trailing whitespace left.
- sub("^[ \t]*", "", line)
- sub("[ \t]*$", "", line)
- # Return what is left (if any).
- return line;
- }
- return "";
-}
-
-# When this function is called, we know that line is a TAP result line,
-# so that it matches the (perl) RE "^(not )?ok\b".
-function setup_result_obj(line)
-{
- # Get the result, and remove it from the line.
- result_obj["is_ok"] = (substr(line, 1, 2) == "ok" ? 1 : 0)
- sub("^(not )?ok[ \t]*", "", line)
-
- # If the result has an explicit number, get it and strip it; otherwise,
- # automatically assing the next progresive number to it.
- if (line ~ /^[0-9]+$/ || line ~ /^[0-9]+[^a-zA-Z0-9_]/)
- {
- match(line, "^[0-9]+")
- # The final `+ 0` is to normalize numbers with leading zeros.
- result_obj["number"] = substr(line, 1, RLENGTH) + 0
- line = substr(line, RLENGTH + 1)
- }
- else
- {
- result_obj["number"] = testno
- }
-
- if (plan_seen == LATE_PLAN)
- # No further test results are acceptable after a "late" TAP plan
- # has been seen.
- result_obj["is_unplanned"] = 1
- else if (plan_seen && testno > planned_tests)
- result_obj["is_unplanned"] = 1
- else
- result_obj["is_unplanned"] = 0
-
- # Strip trailing and leading whitespace.
- sub("^[ \t]*", "", line)
- sub("[ \t]*$", "", line)
-
- # This will have to be corrected if we have a "TODO"/"SKIP" directive.
- result_obj["description"] = line
- result_obj["directive"] = ""
- result_obj["explanation"] = ""
-
- if (index(line, "#") == 0)
- 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:
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