+#####
+$csv = SL::Helper::Csv->new(
+ file => \"Kaffee;1,50\nSchoke;0,89\n",
+ header => [
+ [ 'datatype', 'description', 'sellprice' ],
+ ],
+ profile => [
+ { profile => { sellprice => 'sellprice_as_number' },
+ class => 'SL::DB::Part',}
+ ],
+);
+
+ok $csv->_check_multiplexed, 'multiplex check works on not-multiplexed data';
+ok !$csv->is_multiplexed, 'not-multiplexed data is recognized';
+
+#####
+$csv = SL::Helper::Csv->new(
+ file => \"P;Kaffee;1,50\nC;Meier\n",
+ header => [
+ [ 'datatype', 'description', 'listprice' ],
+ [ 'datatype', 'name' ],
+ ],
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ class => 'SL::DB::Part',
+ row_ident => 'P' },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+);
+
+ok $csv->_check_multiplexed, 'multiplex check works on multiplexed data';
+ok $csv->is_multiplexed, 'multiplexed data is recognized';
+
+#####
+$csv = SL::Helper::Csv->new(
+ file => \"P;Kaffee;1,50\nC;Meier\n",
+ header => [
+ [ 'datatype', 'description', 'listprice' ],
+ [ 'datatype', 'name' ],
+ ],
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ class => 'SL::DB::Part', },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+);
+
+ok !$csv->_check_multiplexed, 'multiplex check works on multiplexed data and detects missing row_ident';
+
+#####
+$csv = SL::Helper::Csv->new(
+ file => \"P;Kaffee;1,50\nC;Meier\n",
+ header => [
+ [ 'datatype', 'description', 'listprice' ],
+ [ 'datatype', 'name' ],
+ ],
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ row_ident => 'P' },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+);
+
+ok !$csv->_check_multiplexed, 'multiplex check works on multiplexed data and detects missing class';
+
+#####
+$csv = SL::Helper::Csv->new(
+ file => \"P;Kaffee;1,50\nC;Meier\n", # " # make emacs happy
+ header => [
+ [ 'datatype', 'description', 'listprice' ],
+ ],
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ class => 'SL::DB::Part',
+ row_ident => 'P' },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+);
+
+ok !$csv->_check_multiplexed, 'multiplex check works on multiplexed data and detects missing header';
+
+#####
+
+$csv = SL::Helper::Csv->new(
+ file => \"P;Kaffee;1,50\nC;Meier\n", # " # make emacs happy
+ header => [
+ [ 'datatype', 'description', 'listprice' ],
+ [ 'datatype', 'name' ],
+ ],
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ class => 'SL::DB::Part',
+ row_ident => 'P' },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+ ignore_unknown_columns => 1,
+);
+
+$csv->parse;
+is_deeply $csv->get_data,
+ [ { datatype => 'P', description => 'Kaffee', listprice => '1,50' }, { datatype => 'C', name => 'Meier' } ],
+ 'multiplex: simple case works';
+is scalar @{ $csv->get_objects }, 2, 'multiplex: multiple objects work';
+is $csv->get_objects->[0]->description, 'Kaffee', 'multiplex: first object';
+is $csv->get_objects->[1]->name, 'Meier', 'multiplex: second object';
+
+#####
+
+$csv = SL::Helper::Csv->new(
+ file => \"datatype;description;listprice\ndatatype;name\nP;Kaffee;1,50\nC;Meier\n", # " # make emacs happy
+ profile => [
+ { profile => { listprice => 'listprice_as_number' },
+ class => 'SL::DB::Part',
+ row_ident => 'P' },
+ { class => 'SL::DB::Customer',
+ row_ident => 'C' }
+ ],
+ ignore_unknown_columns => 1,
+);
+
+$csv->parse;
+is scalar @{ $csv->get_objects }, 2, 'multiplex: auto header works';
+is $csv->get_objects->[0]->description, 'Kaffee', 'multiplex: auto header first object';
+is $csv->get_objects->[1]->name, 'Meier', 'multiplex: auto header second object';
+
+######
+
+$csv = SL::Helper::Csv->new(
+ file => \<<EOL,
+datatype;description
+"datatype;name
+P;Kaffee
+C;Meier
+P;Beer
+EOL
+# " # make emacs happy
+ profile => [
+ {class => 'SL::DB::Part', row_ident => 'P'},
+ {class => 'SL::DB::Customer', row_ident => 'C'},
+ ],
+ ignore_unknown_columns => 1,
+);
+is $csv->parse, undef, 'multiplex: broken csv header won\'t get parsed';
+
+######
+
+$csv = SL::Helper::Csv->new(
+ file => \<<EOL,
+datatype;description
+P;Kaffee
+C;Meier
+P;Beer
+EOL
+# " # make emacs happy
+ profile => [
+ {class => 'SL::DB::Part', row_ident => 'P'},
+ {class => 'SL::DB::Customer', row_ident => 'C'},
+ ],
+ header => [ [], ['name'] ],
+ ignore_unknown_columns => 1,
+);
+ok !$csv->_check_multiplexed, 'multiplex check detects empty header';
+
+