Bug 17913: Fix the new field tag in merge when changing type
Originally aimed for 9988, adjusted for this report. Old behavior was: pick the first tag. This is definitely wrong. If you (would) merge 610 to 611, you don't want to get a 111. This patch resolves the problem by determining the new tag in a small helper routine _merge_newtag, and corrects the position of the new field in the MARC record with append_fields_ordered. Too bad that MARC::Record does not have such a function; it looks like insert_fields_ordered, but it is different in case of multiple fields with the same tag. Note: These two small helper functions are not tested separately, since they should not be called outside of merge. They are implicitly tested by the adjusted tests in Merge.t. Note: In adding tests for this fix, I chose to simplify compare_field_count (no need for the pass parameter), and replace the pass parameter of sub compare_field_order by an exclude parameter, a hash of fields to exclude in counting fields. Test plan: Run t/db_dependent/Authorities/Merge.t Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl> Signed-off-by: Josef Moravec <josef.moravec@gmail.com> Signed-off-by: Julian Maurice <julian.maurice@biblibre.com> Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
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2 changed files with 85 additions and 45 deletions
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@ -1458,32 +1458,33 @@ sub merge {
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#warn scalar(@reccache)." biblios to update";
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# Get All candidate Tags for the change
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# (This will reduce the search scope in marc records).
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my $sth = $dbh->prepare("select distinct tagfield from marc_subfield_structure where authtypecode=?");
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$sth->execute($authtypefrom->authtypecode);
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my @tags_using_authtype;
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while (my ($tagfield) = $sth->fetchrow) {
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push @tags_using_authtype,$tagfield ;
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}
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my $tag_to=0;
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my $sql = "SELECT DISTINCT tagfield FROM marc_subfield_structure WHERE authtypecode=?";
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my $tags_using_authtype = $dbh->selectcol_arrayref( $sql, undef, ( $authtypefrom->authtypecode ));
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my $tags_new;
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if ($authtypeto->authtypecode ne $authtypefrom->authtypecode){
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# If many tags, take the first
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$sth->execute($authtypeto->authtypecode);
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$tag_to=$sth->fetchrow;
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#warn $tag_to;
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$tags_new = $dbh->selectcol_arrayref( $sql, undef, ( $authtypeto->authtypecode ));
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}
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# BulkEdit marc records
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# May be used as a template for a bulkedit field
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my $overwrite = C4::Context->preference( 'AuthorityMergeMode' ) eq 'strict';
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foreach my $marcrecord(@reccache){
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my $update = 0;
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foreach my $tagfield (@tags_using_authtype){
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foreach my $tagfield (@$tags_using_authtype){
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# warn "tagfield : $tagfield ";
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foreach my $field ($marcrecord->field($tagfield)){
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# biblio is linked to authority with $9 subfield containing authid
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my $auth_number=$field->subfield("9");
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my $tag=$field->tag();
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my $tag=$field->tag();
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my $newtag = $tags_new
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? _merge_newtag( $tag, $tags_new )
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: $tag;
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if ($auth_number==$mergefrom) {
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my $field_to=MARC::Field->new(($tag_to?$tag_to:$tag),$field->indicator(1),$field->indicator(2),"9"=>$mergeto);
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my $field_to = MARC::Field->new(
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$newtag,
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$field->indicator(1),
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$field->indicator(2),
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"9" => $mergeto,
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);
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my $exclude='9';
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foreach my $subfield (grep {$_->[0] ne '9'} @record_to) {
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$field_to->add_subfields($subfield->[0] =>$subfield->[1]);
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@ -1495,7 +1496,12 @@ sub merge {
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foreach my $subfield (@restore) {
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$field_to->add_subfields($subfield->[0] =>$subfield->[1]);
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}
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$field->replace_with($field_to);
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if( $tags_new ) {
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$marcrecord->delete_field( $field );
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append_fields_ordered( $marcrecord, $field_to );
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} else {
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$field->replace_with($field_to);
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}
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$update=1;
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}
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}#for each tag
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@ -1569,6 +1575,34 @@ sub merge {
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# }#foreach $marc
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}#sub
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sub _merge_newtag {
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# Routine is only called for an (exceptional) authtypecode change
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# Fixes old behavior of returning the first tag found
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my ( $oldtag, $new_tags ) = @_;
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# If we e.g. have 650 and 151,651,751 try 651 and check presence
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my $prefix = substr( $oldtag, 0, 1 );
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my $guess = $prefix . substr( $new_tags->[0], -2 );
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if( grep { $_ eq $guess } @$new_tags ) {
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return $guess;
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}
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# Otherwise return one from the same block e.g. 6XX for 650
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# If not there too, fall back to first new tag (old behavior!)
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my @same_block = grep { /^$prefix/ } @$new_tags;
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return @same_block ? $same_block[0] : $new_tags->[0];
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}
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sub append_fields_ordered {
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# while we lack this function in MARC::Record
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# we do not want insert_fields_ordered since it inserts before
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my ( $record, $field ) = @_;
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if( my @flds = $record->field( $field->tag ) ) {
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$record->insert_fields_after( pop @flds, $field );
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} else { # now fallback to insert_fields_ordered
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$record->insert_fields_ordered( $field );
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}
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}
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=head2 get_auth_type_location
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my ($tag, $subfield) = get_auth_type_location($auth_type_code);
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@ -66,15 +66,15 @@ subtest 'Test merge A1 to A2 (within same authtype)' => sub {
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# Check the results
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my $newbiblio1 = GetMarcBiblio($biblionumber1);
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$newbiblio1->delete_fields( $newbiblio1->field('100') ); # fix for UNIMARC
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compare_field_count( $biblio1, $newbiblio1, 1 );
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compare_field_order( $biblio1, $newbiblio1, 1 );
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compare_field_count( $biblio1, $newbiblio1 );
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compare_field_order( $biblio1, $newbiblio1 );
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is( $newbiblio1->subfield('609', '9'), $authid1, 'Check biblio1 609$9' );
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is( $newbiblio1->subfield('609', 'a'), 'George Orwell',
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'Check biblio1 609$a' );
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my $newbiblio2 = GetMarcBiblio($biblionumber2);
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$newbiblio2->delete_fields( $newbiblio2->field('100') ); # fix for UNIMARC
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compare_field_count( $biblio2, $newbiblio2, 1 );
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compare_field_order( $biblio2, $newbiblio2, 1 );
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compare_field_count( $biblio2, $newbiblio2 );
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compare_field_order( $biblio2, $newbiblio2 );
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is( $newbiblio2->subfield('609', '9'), $authid1, 'Check biblio2 609$9' );
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is( $newbiblio2->subfield('609', 'a'), 'George Orwell',
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'Check biblio2 609$a' );
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@ -111,13 +111,13 @@ subtest 'Test merge A1 to modified A1' => sub {
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#Check the results
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my $biblio1 = GetMarcBiblio($biblionumber1);
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$biblio1->delete_fields( $biblio1->field('100') ); # quick fix for UNIMARC
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compare_field_count( $MARC1, $biblio1, 1 );
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compare_field_order( $MARC1, $biblio1, 1 );
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compare_field_count( $MARC1, $biblio1 );
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compare_field_order( $MARC1, $biblio1 );
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is( $auth1new->field(109)->subfield('a'), $biblio1->field(109)->subfield('a'), 'Record1 values updated correctly' );
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my $biblio2 = GetMarcBiblio( $biblionumber2 );
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$biblio2->delete_fields( $biblio2->field('100') ); # quick fix for UNIMARC
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compare_field_count( $MARC2, $biblio2, 1 );
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compare_field_order( $MARC2, $biblio2, 1 );
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compare_field_count( $MARC2, $biblio2 );
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compare_field_order( $MARC2, $biblio2 );
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is( $auth1new->field(109)->subfield('a'), $biblio2->field(109)->subfield('a'), 'Record2 values updated correctly' );
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# This is only true in loose mode:
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is( $biblio1->field(109)->subfield('b'), $MARC1->field(109)->subfield('b'), 'Subfield not overwritten in loose mode');
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@ -137,7 +137,7 @@ subtest 'Test merge A1 to B1 (changing authtype)' => sub {
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# Tests were aimed for bug 9988, moved to 17909 in adjusted form
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# Would not encourage this type of merge, but we should test what we offer
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# The merge routine still needs the fixes on bug 17913
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plan tests => 8;
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plan tests => 12;
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# create two auth recs of different type
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my $auth1 = MARC::Record->new;
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@ -172,9 +172,14 @@ subtest 'Test merge A1 to B1 (changing authtype)' => sub {
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# Get new marc record for compares
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my $newbiblio = C4::Biblio::GetMarcBiblio( $biblionumber );
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$newbiblio->delete_fields( $newbiblio->field('100') ); # fix for UNIMARC
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compare_field_count( $oldbiblio, $newbiblio, 1 );
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# TODO The following test will still fail; refined after 17913
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compare_field_order( $oldbiblio, $newbiblio, 0 );
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compare_field_count( $oldbiblio, $newbiblio );
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# Exclude 109/609 and 112/612 in comparing order
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compare_field_order( $oldbiblio, $newbiblio,
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{ '109' => 1, '112' => 1, '609' => 1, '612' => 1 },
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);
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# Check position of 612s in the new record
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my $full_order = join q/,/, map { $_->tag } $newbiblio->fields;
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is( $full_order =~ /611(,612){3}/, 1, 'Check position of all 612s' );
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# Check some fields
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is( $newbiblio->field('003')->data,
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@ -188,9 +193,18 @@ subtest 'Test merge A1 to B1 (changing authtype)' => sub {
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is( $newbiblio->subfield( '112', 'c' ),
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$auth2->subfield( '112', 'c' ), 'Check new 112c' );
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#TODO Check the new 612s (after fix on 17913, they are 112s now)
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is( $newbiblio->subfield( '612', 'a' ),
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# Check the original 612
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is( ( $newbiblio->field('612') )[0]->subfield( 'a' ),
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$oldbiblio->subfield( '612', 'a' ), 'Check untouched 612a' );
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# Check second 612
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is( ( $newbiblio->field('612') )[1]->subfield( 'a' ),
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$auth2->subfield( '112', 'a' ), 'Check second touched 612a' );
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# Check second new 612ax (in LOOSE mode)
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is( ( $newbiblio->field('612') )[2]->subfield( 'a' ),
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$auth2->subfield( '112', 'a' ), 'Check touched 612a' );
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is( ( $newbiblio->field('612') )[2]->subfield( 'x' ),
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( $oldbiblio->field('609') )[1]->subfield('x'),
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'Check 612x' );
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};
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sub set_mocks {
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@ -273,26 +287,18 @@ sub modify_framework {
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}
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sub compare_field_count {
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my ( $oldmarc, $newmarc, $pass ) = @_;
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my ( $oldmarc, $newmarc ) = @_;
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my $t;
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if( $pass ) {
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is( scalar $newmarc->fields, $t = $oldmarc->fields, "Number of fields still equal to $t" );
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} else {
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isnt( scalar $newmarc->fields, $t = $oldmarc->fields, "Number of fields not equal to $t" );
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}
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is( scalar $newmarc->fields, $t = $oldmarc->fields, "Number of fields still equal to $t" );
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}
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sub compare_field_order {
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my ( $oldmarc, $newmarc, $pass ) = @_;
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if( $pass ) {
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is( ( join q/,/, map { $_->tag; } $newmarc->fields ),
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( join q/,/, map { $_->tag; } $oldmarc->fields ),
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'Order of fields unchanged' );
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} else {
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isnt( ( join q/,/, map { $_->tag; } $newmarc->fields ),
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( join q/,/, map { $_->tag; } $oldmarc->fields ),
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'Order of fields changed' );
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}
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my ( $oldmarc, $newmarc, $exclude ) = @_;
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$exclude //= {};
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my @oldfields = map { $exclude->{$_->tag} ? () : $_->tag } $oldmarc->fields;
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my @newfields = map { $exclude->{$_->tag} ? () : $_->tag } $newmarc->fields;
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is( ( join q/,/, @newfields ), ( join q/,/, @oldfields ),
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'Order of fields unchanged' );
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}
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$schema->storage->txn_rollback;
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