From b60d5b895fc2efe8be966be066bdff4854443885 Mon Sep 17 00:00:00 2001
From: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Date: Fri, 12 Jun 2020 12:40:39 +0100
Subject: [PATCH] Bug 25723: [DO NOT PUSH] Benchmark Script

A quick benchmark to compare DateTime::Set->contains to a simple hashref
lookup

Signed-off-by: Emma Perks <Emma.Perks2@uhb.nhs.uk>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
---
 misc/devel/benchmark_calendar.pl | 62 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 misc/devel/benchmark_calendar.pl

diff --git a/misc/devel/benchmark_calendar.pl b/misc/devel/benchmark_calendar.pl
new file mode 100644
index 0000000000..29b8a13630
--- /dev/null
+++ b/misc/devel/benchmark_calendar.pl
@@ -0,0 +1,62 @@
+#!/usr/bin/perl
+
+# This file is part of Koha.
+#
+# Copyright 2016 Koha Development Team
+#
+# Koha 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 3 of the License, or
+# (at your option) any later version.
+#
+# Koha 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 Koha; if not, see <http://www.gnu.org/licenses>.
+
+use Modern::Perl;
+use Benchmark;
+
+use DateTime;
+use DateTime::Set;
+use DateTime::Event::Random;
+
+my $start = DateTime->new( year => 2020, month => 3 );
+my $end   = DateTime->new( year => 2020, month => 5 );
+my $set   = DateTime::Event::Random->new_cached(
+    days  => 5,
+    start => $start,
+    end   => $end
+);
+
+my $exception_holidays = {};
+my $iter               = $set->iterator;
+while ( my $dt = $iter->next ) {
+    $exception_holidays->{ $dt->ymd('') } = 1;
+}
+
+my $test_datetime =
+  DateTime::Event::Random->datetime( start => $start, end => $end );
+my $test_datestring = $test_datetime->ymd('');
+
+my $time_set = sub {
+    return $set->contains($test_datetime);
+
+};
+
+my $time_hash = sub {
+    return 1 if ( $exception_holidays->{$test_datestring} );
+    return 0;
+
+};
+
+Benchmark::cmpthese(
+    -10,
+    {
+        'DateTime::Set' => $time_set,
+        'hashref'       => $time_hash,
+    }
+);
-- 
2.11.0