+$dt0 = dt_from_string( '2012-01-01T23:59:59.999+02:00', 'rfc3339' );
+cmp_ok( $dt0->epoch(), 'eq', '1325455199', 'dt_from_string handles seconds with 3 decimal places and a timezone' );
+
+eval {
+ $dt0 = dt_from_string( '2012-01-01T23:59:59.999Z+02:00', 'rfc3339' ); # Do not combine Z with +02 !
+};
+like( $@, qr/.*does not match the date format \(rfc3339\).*/, 'dt_from_string should die when passed a bad rfc3339 date string' );
+
+eval {
+ $dt0 = dt_from_string('2021-11-03T10:16:59Z+00:00', 'iso'); # Z and +00 are the same, but should not be together
+};
+like( $@, qr/.*does not match the date format \(iso\).*/, 'dt_from_string should die when passed a bad iso date string' );
+
+# ISO string tests
+subtest 'dt_from_string - iso format' => sub {
+ plan tests => 7;
+
+ my $module_context = Test::MockModule->new('C4::Context');
+ $module_context->mock(
+ 'tz',
+ sub {
+ return DateTime::TimeZone->new( name => 'Europe/Paris' );
+ }
+ );
+
+ # Dateonly
+ my $dt_iso = dt_from_string( '2012-01-01', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325372400', 'dt_from_string handles dateonly string' );
+ # Saturday December 31, 2011 23:00:00 (UTC) == Sunday January 01, 2012 00:00:00 Europe/Paris (CET/+01:00)
+
+ eval {
+ $dt_iso = dt_from_string( '2012-01-32', 'iso' );
+ };
+ like( $@, qr/^Validation failed/, 'Fail on invalid dateonly string');
+
+ # Datetime
+ $dt_iso = dt_from_string( '2012-01-01T23:59:59', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325458799', 'dt_from_string with no offset assumes "local"' );
+ # Sunday January 01, 2012 22:59:59 (UTC) == Sunday January 01, 2012 23:59:59 Europe/Paris (CET/+01:00)
+
+ # Datetime with timezone
+ $dt_iso = dt_from_string( '2012-01-01T23:59:59Z', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325462399', 'dt_from_string with UTC prescribed as Z' );
+ # Sunday January 01, 2012 23:59:59 (UTC)
+
+ $dt_iso = dt_from_string( '2012-01-01T23:59:59+02:00', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325455199', 'dt_from_string with offset +02:00' );
+ # Sunday January 01, 2012 21:59:59 (UTC) == Sunday January 01, 2012 23:59:59 Europe/Athens (EET/+02:00)
+ # Allow +02 or +0200 too
+ $dt_iso = dt_from_string( '2012-01-01T23:59:59+02', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325455199', 'dt_from_string with offset +02' );
+ $dt_iso = dt_from_string( '2012-01-01T23:59:59+0200', 'iso' );
+ cmp_ok( $dt_iso->epoch(), 'eq', '1325455199', 'dt_from_string with offset +0200' );
+
+};