use Test::More; use DateTime; use_ok 'FixMyStreet::WorkingDays'; my $wd = FixMyStreet::WorkingDays->new( public_holidays => [ '2020-09-21', '2020-09-15', ], ); my $dt = DateTime->new(year => 2020, month => 9, day => 19); is $wd->add_days($dt, 1)->ymd, '2020-09-22'; is $wd->sub_days($dt, 5)->ymd, '2020-09-11'; is $wd->is_public_holiday($dt), undef; is $wd->is_weekend($dt), 1; done_testing;