projekt kivitendo

use List::Util qw(sum min max);

  my $num_dec   = max 2, _num_decimal_places($item->sellprice);

sub test_default_invoice_three_items_sellprice_rounding_discount() {

  reset_state();

  my $item1   = new_item(qty => 1, sellprice => 5.55, discount => .05);

  my $item2   = new_item(qty => 1, sellprice => 5.50, discount => .05);

  my $item3   = new_item(qty => 1, sellprice => 5.00, discount => .05);

  my $invoice = new_invoice(

    taxincluded  => 0,

    invoiceitems => [ $item1, $item2, $item3 ],

  );

  # this is how price_tax_calculator is implemented. It differs from

  # the way sales_order / invoice - forms are calculating:

  # linetotal = sellprice 5.55 * qty 1 * (1 - 0.05) = 5.2725; rounded 5.27

  # linetotal = sellprice 5.50 * qty 1 * (1 - 0.05) = 5.225 rounded 5.23

  # linetotal = sellprice 5.00 * qty 1 * (1 - 0.05) = 4.75; rounded 4.75

  # ...

  # item 1:

  # discount = sellprice 5.55 * discount (0.05) = 0.2775; rounded 0.28

  # sellprice = sellprice 5.55 - discount 0.28 = 5.27; rounded 5.27

  # linetotal = sellprice 5.27 * qty 1 = 5.27; rounded 5.27

  # 19%(5.27) = 1.0013; rounded = 1.00

  # total rounded = 6.27

  # lastcost 1.93 * qty 1 = 1.93; rounded 1.93

  # line marge_total = 3.34

  # line marge_percent = 63.3776091081594

  # item 2:

  # discount = sellprice 5.50 * discount 0.05 = 0.275; rounded 0.28

  # sellprice = sellprice 5.50 - discount 0.28 = 5.22; rounded 5.22

  # linetotal = sellprice 5.22 * qty 1 = 5.22; rounded 5.22

  # 19%(5.22) = 0.9918; rounded = 0.99

  # total rounded = 6.21

  # lastcost 1.93 * qty 1 = 1.93; rounded 1.93

  # line marge_total = 5.22 - 1.93 = 3.29

  # line marge_percent = 3.29/5.22 = 0.630268199233716

  # item 3:

  # discount = sellprice 5.00 * discount 0.25 = 0.25; rounded 0.25

  # sellprice = sellprice 5.00 - discount 0.25 = 4.75; rounded 4.75

  # linetotal = sellprice 4.75 * qty 1 = 4.75; rounded 4.75

  # 19%(4.75) = 0.9025; rounded = 0.90

  # total rounded = 5.65

  # lastcost 1.93 * qty 1 = 1.93; rounded 1.93

  # line marge_total = 2.82

  # line marge_percent = 59.3684210526316

  my $title = 'default invoice, three items, sellprice, rounding, discount';

  my %data  = $invoice->calculate_prices_and_taxes;

  is($item1->marge_total,        3.34,               "${title}: item1 marge_total");

  is($item1->marge_percent,      63.3776091081594,   "${title}: item1 marge_percent");

  is($item1->marge_price_factor, 1,                  "${title}: item1 marge_price_factor");

  is($item2->marge_total,        3.29,               "${title}: item2 marge_total");

  is($item2->marge_percent,      63.0268199233716,  "${title}: item2 marge_percent");

  is($item2->marge_price_factor, 1,                  "${title}: item2 marge_price_factor");

  is($item3->marge_total,        2.82,               "${title}: item3 marge_total");

  is($item3->marge_percent,      59.3684210526316,   "${title}: item3 marge_percent");

  is($item3->marge_price_factor, 1,                  "${title}: item3 marge_price_factor");

  is($invoice->netamount,        5.27 + 5.22 + 4.75, "${title}: netamount");

  # 6.27 + 6.21 + 5.65 = 18.13

  # 1.19*(5.27 + 5.22 + 4.75) = 18.1356; rounded 18.14

  #is($invoice->amount,           6.27 + 6.21 + 5.65, "${title}: amount");

  is($invoice->amount,           18.14,              "${title}: amount");

  is($invoice->marge_total,      3.34 + 3.29 + 2.82, "${title}: marge_total");

  is($invoice->marge_percent,    62.007874015748,    "${title}: marge_percent");

  is_deeply(\%data, {

    allocated                             => {},

    amounts                               => {

      $buchungsgruppe->income_accno_id_0  => {

        amount                            => 15.24,

        tax_id                            => $tax->id,

        taxkey                            => 3,

      },

    },

    amounts_cogs                          => {},

    assembly_items                        => [

      [], [], [],

    ],

    exchangerate                          => 1,

    taxes                                 => {

      $tax->chart_id                      => 2.9,

    },

  }, "${title}: calculated data");

}

test_default_invoice_three_items_sellprice_rounding_discount();