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-rwxr-xr-xtest/run329
1 files changed, 329 insertions, 0 deletions
diff --git a/test/run b/test/run
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index 0000000..2cf52e8
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+++ b/test/run
@@ -0,0 +1,329 @@
+#!/usr/bin/perl -w -U
+
+# Copyright (c) 2007, 2008 Andreas Gruenbacher.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions, and the following disclaimer,
+# without modification, immediately at the beginning of the file.
+# 2. The name of the author may not be used to endorse or promote products
+# derived from this software without specific prior written permission.
+#
+# Alternatively, this software may be distributed under the terms of the
+# GNU Public License ("GPL").
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+#
+# Possible improvements:
+#
+# - distinguish stdout and stderr output
+# - add environment variable like assignments
+# - run up to a specific line
+# - resume at a specific line
+#
+
+use strict;
+use FileHandle;
+use Getopt::Std;
+use POSIX qw(isatty setuid getcwd);
+use vars qw($opt_l $opt_v);
+
+no warnings qw(taint);
+
+$opt_l = ~0; # a really huge number
+getopts('l:v');
+
+my ($OK, $FAILED) = ("ok", "failed");
+if (isatty(fileno(STDOUT))) {
+ $OK = "\033[32m" . $OK . "\033[m";
+ $FAILED = "\033[31m\033[1m" . $FAILED . "\033[m";
+}
+
+$ENV{"TUSER"} = getpwuid($>);
+$ENV{"TGROUP"} = getgrgid($));
+
+sub exec_test($$);
+sub process_test($$$$);
+
+my ($prog, $in, $out) = ([], [], []);
+my $prog_line = 0;
+my ($tests, $failed) = (0,0);
+my $lineno;
+my $width = ($ENV{COLUMNS} || 80) >> 1;
+
+for (;;) {
+ my $line = <>; $lineno++;
+ if (defined $line) {
+ # Substitute %VAR and %{VAR} with environment variables.
+ $line =~ s[%(\w+)][$ENV{$1}]eg;
+ $line =~ s[%{(\w+)}][$ENV{$1}]eg;
+ }
+ if (defined $line) {
+ if ($line =~ s/^\s*< ?//) {
+ push @$in, $line;
+ } elsif ($line =~ s/^\s*> ?//) {
+ push @$out, $line;
+ } else {
+ process_test($prog, $prog_line, $in, $out);
+ last if $prog_line >= $opt_l;
+
+ $prog = [];
+ $prog_line = 0;
+ }
+ if ($line =~ s/^\s*\$ ?//) {
+ $prog = [ map { s/\\(.)/$1/g; $_ } split /(?<!\\)\s+/, $line ];
+ $prog_line = $lineno;
+ $in = [];
+ $out = [];
+ }
+ } else {
+ process_test($prog, $prog_line, $in, $out);
+ last;
+ }
+}
+
+my $status = sprintf("%d commands (%d passed, %d failed)",
+ $tests, $tests-$failed, $failed);
+if (isatty(fileno(STDOUT))) {
+ if ($failed) {
+ $status = "\033[31m\033[1m" . $status . "\033[m";
+ } else {
+ $status = "\033[32m" . $status . "\033[m";
+ }
+}
+print $status, "\n";
+exit $failed ? 1 : 0;
+
+
+sub process_test($$$$) {
+ my ($prog, $prog_line, $in, $out) = @_;
+
+ return unless @$prog;
+
+ my $p = [ @$prog ];
+ print "[$prog_line] \$ ", join(' ',
+ map { s/\s/\\$&/g; $_ } @$p), " -- ";
+ my $result = exec_test($prog, $in);
+ my @good = ();
+ my $nmax = (@$out > @$result) ? @$out : @$result;
+ for (my $n=0; $n < $nmax; $n++) {
+ my $use_re;
+ if (defined $out->[$n] && $out->[$n] =~ /^~ /) {
+ $use_re = 1;
+ $out->[$n] =~ s/^~ //g;
+ }
+
+ if (!defined($out->[$n]) || !defined($result->[$n]) ||
+ (!$use_re && $result->[$n] ne $out->[$n]) ||
+ ( $use_re && $result->[$n] !~ /^$out->[$n]/)) {
+ push @good, ($use_re ? '!~' : '!=');
+ }
+ else {
+ push @good, ($use_re ? '=~' : '==');
+ }
+ }
+ my $good = !(grep /!/, @good);
+ $tests++;
+ $failed++ unless $good;
+ print $good ? $OK : $FAILED, "\n";
+ if (!$good || $opt_v) {
+ for (my $n=0; $n < $nmax; $n++) {
+ my $l = defined($out->[$n]) ? $out->[$n] : "~";
+ chomp $l;
+ my $r = defined($result->[$n]) ? $result->[$n] : "~";
+ chomp $r;
+ print sprintf("%-" . ($width-3) . "s %s %s\n",
+ $r, $good[$n], $l);
+ }
+ }
+}
+
+
+sub su($) {
+ my ($user) = @_;
+
+ $user ||= "root";
+
+ my ($login, $pass, $uid, $gid) = getpwnam($user)
+ or return [ "su: user $user does not exist\n" ];
+ my @groups = ();
+ my $fh = new FileHandle("/etc/group")
+ or return [ "opening /etc/group: $!\n" ];
+ while (<$fh>) {
+ chomp;
+ my ($group, $passwd, $gid, $users) = split /:/;
+ foreach my $u (split /,/, $users) {
+ push @groups, $gid
+ if ($user eq $u);
+ }
+ }
+ $fh->close;
+
+ my $groups = join(" ", ($gid, $gid, @groups));
+ #print STDERR "[[$groups]]\n";
+ $! = 0; # reset errno
+ $> = 0;
+ $( = $gid;
+ $) = $groups;
+ if ($!) {
+ return [ "su: $!\n" ];
+ }
+ if ($uid != 0) {
+ $> = $uid;
+ #$< = $uid;
+ if ($!) {
+ return [ "su: $prog->[1]: $!\n" ];
+ }
+ }
+ #print STDERR "[($>,$<)($(,$))]";
+ return [];
+}
+
+
+sub sg($) {
+ my ($group) = @_;
+
+ my $gid = getgrnam($group)
+ or return [ "sg: group $group does not exist\n" ];
+ my %groups = map { $_ eq $gid ? () : ($_ => 1) } (split /\s/, $));
+
+ #print STDERR "<<", join("/", keys %groups), ">>\n";
+ my $groups = join(" ", ($gid, $gid, keys %groups));
+ #print STDERR "[[$groups]]\n";
+ $! = 0; # reset errno
+ if ($> != 0) {
+ my $uid = $>;
+ $> = 0;
+ $( = $gid;
+ $) = $groups;
+ $> = $uid;
+ } else {
+ $( = $gid;
+ $) = $groups;
+ }
+ if ($!) {
+ return [ "sg: $!\n" ];
+ }
+ print STDERR "[($>,$<)($(,$))]";
+ return [];
+}
+
+
+sub exec_test($$) {
+ my ($prog, $in) = @_;
+ local (*IN, *IN_DUP, *IN2, *OUT_DUP, *OUT, *OUT2);
+ my $needs_shell = (join('', @$prog) =~ /[][|<>"'`\$\*\?]/);
+
+ if ($prog->[0] eq "umask") {
+ umask oct $prog->[1];
+ return [];
+ } elsif ($prog->[0] eq "cd") {
+ if (!chdir $prog->[1]) {
+ return [ "chdir: $prog->[1]: $!\n" ];
+ }
+ $ENV{PWD} = getcwd;
+ return [];
+ } elsif ($prog->[0] eq "su") {
+ return su($prog->[1]);
+ } elsif ($prog->[0] eq "sg") {
+ return sg($prog->[1]);
+ } elsif ($prog->[0] eq "export") {
+ my ($name, $value) = split /=/, $prog->[1];
+ # FIXME: need to evaluate $value, so that things like this will work:
+ # export dir=$PWD/dir
+ $ENV{$name} = $value;
+ return [];
+ } elsif ($prog->[0] eq "unset") {
+ delete $ENV{$prog->[1]};
+ return [];
+ }
+
+ pipe *IN2, *OUT
+ or die "Can't create pipe for reading: $!";
+ open *IN_DUP, "<&STDIN"
+ or *IN_DUP = undef;
+ open *STDIN, "<&IN2"
+ or die "Can't duplicate pipe for reading: $!";
+ close *IN2;
+
+ open *OUT_DUP, ">&STDOUT"
+ or die "Can't duplicate STDOUT: $!";
+ pipe *IN, *OUT2
+ or die "Can't create pipe for writing: $!";
+ open *STDOUT, ">&OUT2"
+ or die "Can't duplicate pipe for writing: $!";
+ close *OUT2;
+
+ *STDOUT->autoflush();
+ *OUT->autoflush();
+
+ if (fork()) {
+ # Server
+ if (*IN_DUP) {
+ open *STDIN, "<&IN_DUP"
+ or die "Can't duplicate STDIN: $!";
+ close *IN_DUP
+ or die "Can't close STDIN duplicate: $!";
+ }
+ open *STDOUT, ">&OUT_DUP"
+ or die "Can't duplicate STDOUT: $!";
+ close *OUT_DUP
+ or die "Can't close STDOUT duplicate: $!";
+
+ foreach my $line (@$in) {
+ #print "> $line";
+ print OUT $line;
+ }
+ close *OUT
+ or die "Can't close pipe for writing: $!";
+
+ my $result = [];
+ while (<IN>) {
+ #print "< $_";
+ # remove libtool 'lt-' prefixes on prog name output
+ s#^lt-##g;
+ if ($needs_shell) {
+ s#^/bin/sh: line \d+: ##;
+ }
+ push @$result, $_;
+ }
+ return $result;
+ } else {
+ # Client
+ $< = $>;
+ close IN
+ or die "Can't close read end for input pipe: $!";
+ close OUT
+ or die "Can't close write end for output pipe: $!";
+ close OUT_DUP
+ or die "Can't close STDOUT duplicate: $!";
+ local *ERR_DUP;
+ open ERR_DUP, ">&STDERR"
+ or die "Can't duplicate STDERR: $!";
+ open STDERR, ">&STDOUT"
+ or die "Can't join STDOUT and STDERR: $!";
+
+ if ($needs_shell) {
+ exec ('/bin/sh', '-c', join(" ", @$prog));
+ } else {
+ exec @$prog;
+ }
+ print STDERR $prog->[0], ": $!\n";
+ exit;
+ }
+}
+
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