Bug 10407: Add two subtests to t/ImportBatch.t

Creates a few simple tests for the two new subroutines in ImportBatch.pm.

Test plan:
Run t/ImportBatch.t.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Josef Moravec <josef.moravec@gmail.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

t/ImportBatch.t

@@ -17,13 +17,85 @@
 
 use Modern::Perl;
 
-use Test::More tests => 1;
+use File::Temp qw|tempfile|;
+use MARC::Field;
+use MARC::File::XML;
+use MARC::Record;
+use Test::More tests => 3;
 use t::lib::Mocks;
 
 BEGIN {
-    # Mock the DB connexion and C4::Context
-    my $context = t::lib::Mocks::mock_dbh;
     use_ok('C4::ImportBatch');
 }
 
-1;
+t::lib::Mocks::mock_preference('marcflavour', 'MARC21');
+
+subtest 'RecordsFromISO2709File' => sub {
+    plan tests => 4;
+
+    my ( $errors, $recs );
+    my $file = create_file({ whitespace => 1, format => 'marc' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromISO2709File( $file, 'biblio', 'UTF-8' );
+    is( @$recs, 0, 'No records from empty marc file' );
+
+    $file = create_file({ garbage => 1, format => 'marc' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromISO2709File( $file, 'biblio', 'UTF-8' );
+    is( @$recs, 1, 'Garbage returns one record' );
+    my @fields = @$recs? $recs->[0]->fields: ();
+    is( @fields, 0, 'That is an empty record' );
+
+    $file = create_file({ two => 1, format => 'marc' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromISO2709File( $file, 'biblio', 'UTF-8' );
+    is( @$recs, 2, 'File contains 2 records' );
+
+};
+
+subtest 'RecordsFromMARCXMLFile' => sub {
+    plan tests => 3;
+
+    my ( $errors, $recs );
+    my $file = create_file({ whitespace => 1, format => 'marcxml' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromMARCXMLFile( $file, 'UTF-8' );
+    is( @$recs, 0, 'No records from empty marcxml file' );
+
+    $file = create_file({ garbage => 1, format => 'marcxml' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromMARCXMLFile( $file, 'UTF-8' );
+    is( @$recs, 0, 'Garbage returns no records' );
+
+    $file = create_file({ two => 1, format => 'marcxml' });
+    ( $errors, $recs ) = C4::ImportBatch::RecordsFromMARCXMLFile( $file, 'UTF-8' );
+    is( @$recs, 2, 'File has two records' );
+
+};
+
+sub create_file {
+    my ( $params ) = @_;
+    my ( $fh, $name ) = tempfile( SUFFIX => '.' . $params->{format} );
+    if( $params->{garbage} ) {
+        print $fh "Just some garbage\n\nAnd another line";
+    } elsif( $params->{whitespace} ) {
+        print $fh "  ";
+    } elsif ( $params->{two} ) {
+        my $rec1 = MARC::Record->new;
+        my $rec2 = MARC::Record->new;
+        my $fld1 = MARC::Field->new('245','','','a','Title1');
+        my $fld2 = MARC::Field->new('245','','','a','Title2');
+        $rec1->append_fields( $fld1 );
+        $rec2->append_fields( $fld2 );
+        if( $params->{format} eq 'marcxml' ) {
+            my $str = $rec1->as_xml;
+            # remove ending collection tag
+            $str =~ s/<\/collection>//;
+            print $fh $str;
+            $str = $rec2->as_xml_record; # no collection tag
+            # remove <?xml> line from 2nd record, add collection
+            $str =~ s/<\?xml.*\n//;
+            $str .= '</collection>';
+            print $fh $str;
+        } else {
+            print $fh $rec1->as_formatted, "\x1D", $rec2->as_formatted;
+        }
+    }
+    close $fh;
+    return $name;
+}