--- /dev/null
+#! /bin/sh
+# Copyright (C) 2011-2013 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:
projects / lttng-tools.git / commitdiff
