Unit Tests - labels

- Added unit tests to verify that custom report labels are properly used.

src/tests/label.t

@@ -0,0 +1,66 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2009, Paul Beckingham.
+## 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 as published by the Free Software
+## Foundation; either version 2 of the License, 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, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 8;
+
+# Create the rc file.
+if (open my $fh, '>', 'custom.rc')
+{
+  print $fh "data.location=.\n",
+            "report.foo.description=DESC\n",
+            "report.foo.labels=ID,DESCRIPTION\n",
+            "report.foo.columns=id,description\n",
+            "report.foo.sort=id+\n",
+            "report.foo.filter=project:A\n";
+  close $fh;
+  ok (-r 'custom.rc', 'Created custom.rc');
+}
+
+# Generate the usage screen, and locate the custom report on it.
+my $output = qx{../task rc:custom.rc usage};
+like ($output, qr/task foo \[tags\] \[attrs\] desc\.\.\.\s+DESC\n/m, 'report.foo');
+
+qx{../task rc:custom.rc add project:A one};
+qx{../task rc:custom.rc add two};
+$output = qx{../task rc:custom.rc foo};
+like ($output,   qr/ID/,          'custom label for id column');
+like ($output,   qr/DESCRIPTION/, 'custom label for description column');
+like ($output,   qr/one/,         'custom filter included');
+unlike ($output, qr/two/,         'custom filter excluded');
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'custom.rc';
+ok (!-r 'custom.rc', 'Removed custom.rc');
+
+exit 0;
+