--- /dev/null
+# Copyright (c) 2010 Zmanda Inc. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 as published
+# by the Free Software Foundation.
+#
+# 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, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Contact information: Zmanda Inc, 465 S. Mathilda Ave., Suite 300
+# Sunnyvale, CA 94086, USA, or: http://www.zmanda.com
+
+use Test::More tests => 9;
+use File::Path;
+use Data::Dumper;
+use strict;
+use warnings;
+
+use lib "@amperldir@";
+use Installcheck;
+use Installcheck::Config;
+use Installcheck::Changer;
+use Amanda::Device qw( :constants );
+use Amanda::Debug;
+use Amanda::MainLoop;
+use Amanda::Config qw( :init :getconf config_dir_relative );
+use Amanda::Changer;
+use Amanda::Taper::Scan;
+
+# set up debugging so debug output doesn't interfere with test results
+Amanda::Debug::dbopen("installcheck");
+Installcheck::log_test_output();
+
+# and disable Debug's die() and warn() overrides
+Amanda::Debug::disable_die_override();
+
+my $taperoot = "$Installcheck::TMP/Amanda_Taper_Scan_traditional";
+my $tapelist_filename = "$Installcheck::TMP/tapelist";
+my $tapelist = Amanda::Tapelist->new($tapelist_filename);
+
+# vtape support
+
+sub reset_taperoot {
+ my ($nslots) = @_;
+
+ if (-d $taperoot) {
+ rmtree($taperoot);
+ }
+ mkpath($taperoot);
+
+ for my $slot (1 .. $nslots) {
+ mkdir("$taperoot/slot$slot")
+ or die("Could not mkdir: $!");
+ }
+
+ # clear out the tapefile
+ open(my $fh, ">", $tapelist_filename) or die("opening tapelist_filename: $!");
+}
+
+sub label_slot {
+ my ($slot, $label, $stamp, $reuse, $update_tapelist) = @_;
+
+ my $drivedir = "$taperoot/tmp";
+ -d $drivedir and rmtree($drivedir);
+ mkpath($drivedir);
+ symlink("$taperoot/slot$slot", "$drivedir/data");
+
+ my $dev = Amanda::Device->new("file:$drivedir");
+ die $dev->error_or_status() unless $dev->status == $DEVICE_STATUS_SUCCESS;
+
+ if (defined $label){
+ if (!$dev->start($ACCESS_WRITE, $label, $stamp)) {
+ die $dev->error_or_status();
+ }
+ } else {
+ $dev->erase();
+ }
+
+ rmtree($drivedir);
+
+ if ($update_tapelist) {
+ # tapelist uses '0' for new tapes; devices use 'X'..
+ $stamp = '0' if ($stamp eq 'X');
+ open(my $fh, ">>", $tapelist_filename) or die("opening tapelist_filename: $!");
+ print $fh "$stamp $label $reuse\n";
+ close($fh);
+ }
+}
+
+# run the mainloop around a scan
+sub run_scan {
+ my ($ts) = @_;
+ my ($error, $res, $label, $mode);
+
+ my $result_cb = make_cb(result_cb => sub {
+ ($error, $res, $label, $mode) = @_;
+
+ if ($res) {
+ $res->release(finished_cb => sub {
+ Amanda::MainLoop::quit();
+ });
+ } else {
+ Amanda::MainLoop::quit();
+ }
+ });
+
+ $ts->scan(result_cb => $result_cb);
+ Amanda::MainLoop::run();
+ return $error, $label, $mode;
+}
+
+# set the current slot on the changer
+sub set_current_slot {
+ my ($slot) = @_;
+
+ unlink("$taperoot/data");
+ symlink("slot$slot", "$taperoot/data");
+}
+
+# set up and load a config
+my $testconf = Installcheck::Config->new();
+$testconf->add_param("tapelist", "\"$tapelist\"");
+$testconf->add_param("labelstr", "\"TEST-[0-9]+\"");
+$testconf->write();
+my $cfg_result = config_init($CONFIG_INIT_EXPLICIT_NAME, 'TESTCONF');
+if ($cfg_result != $CFGERR_OK) {
+ my ($level, @errors) = Amanda::Config::config_errors();
+ die(join "\n", @errors);
+}
+
+reset_taperoot(5);
+label_slot(1, "TEST-1", "20090424173001", "reuse", 1);
+label_slot(2, "TEST-2", "20090424173002", "reuse", 1);
+label_slot(3, "TEST-3", "20090424173003", "reuse", 1);
+
+my $chg;
+my $taperscan;
+my @results;
+
+# set up a traditional taperscan
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 4,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ "No acceptable volumes found", undef, undef ],
+ "no reusable tapes -> error")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 3,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-1", $ACCESS_WRITE ],
+ "finds the best reusable tape")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+$chg->{'support_fast_search'} = 0; # no fast search -> skip stage 1
+set_current_slot(2); # slot 2 is acceptable, so it should be returned
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 1,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-2", $ACCESS_WRITE ],
+ "finds the first reusable tape when fast_search is false")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+$chg->{'support_fast_search'} = 1;
+
+label_slot(1); # remove TEST-1
+label_slot(4, "TEST-4", "20090424183004", "reuse", 1);
+set_current_slot(1);
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 2,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-2", $ACCESS_WRITE ],
+ "uses the first usable tape it finds when oldest is missing")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+
+set_current_slot(3);
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 2,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-3", $ACCESS_WRITE ],
+ "starts sequential scan at 'current'")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot",
+ tapelist => $tapelist,
+ autolabel => { 'template' => "TEST-%",
+ 'empty' => 1,
+ 'volume_error' => 1});
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 2,
+ changer => $chg);
+set_current_slot(5);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-5", $ACCESS_WRITE ],
+ "labels new tapes in blank slots")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot",
+ tapelist => $tapelist,
+ autolabel => { });
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 1,
+ changer => $chg);
+set_current_slot(6);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-2", $ACCESS_WRITE ],
+ "handles an invalid current slot by going to the next")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot",
+ tapelist => $tapelist);
+# simulate "amlabel"
+label_slot(1, "TEST-6", "X", "reuse", 1);
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 2,
+ changer => $chg);
+set_current_slot(2);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-2", $ACCESS_WRITE ],
+ "scans for volumes, even with a newly labeled volume available")
+ or diag(Dumper(\@results));
+
+# test skipping no-reuse tapes
+reset_taperoot(5);
+label_slot(1, "TEST-1", "20090424173001", "no-reuse", 1);
+label_slot(2, "TEST-2", "20090424173002", "reuse", 1);
+label_slot(3, "TEST-3", "20090424173003", "reuse", 1);
+label_slot(4, "TEST-4", "20090424173004", "reuse", 1);
+$taperscan->quit();
+
+$chg = Amanda::Changer->new("chg-disk:$taperoot", tapelist => $tapelist);
+set_current_slot(1);
+
+$taperscan = Amanda::Taper::Scan->new(
+ tapelist => $tapelist,
+ algorithm => "traditional",
+ tapecycle => 2,
+ changer => $chg);
+@results = run_scan($taperscan);
+is_deeply([ @results ],
+ [ undef, "TEST-2", $ACCESS_WRITE ],
+ "skips a no-reuse volume")
+ or diag(Dumper(\@results));
+$taperscan->quit();
+
+rmtree($taperoot);
+unlink($tapelist);