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use strict;
use Test::More tests => 255;

use strict;

use lib 't';
use utf8;

use Carp;
use Support::TestSetup;
use Test::Exception;
use List::Util qw(sum);

use SL::Dev::Record qw(create_invoice_item create_sales_invoice create_credit_note create_ap_transaction);
use SL::Dev::CustomerVendor qw(new_customer new_vendor);
use SL::Dev::Part qw(new_part);
use SL::DB::BankTransaction;
use SL::DB::BankTransactionAccTrans;
use SL::DB::Buchungsgruppe;
use SL::DB::Currency;
use SL::DB::Exchangerate;
use SL::DB::Customer;
use SL::DB::Vendor;
use SL::DB::Employee;
use SL::DB::Invoice;
use SL::DB::Part;
use SL::DB::Unit;
use SL::DB::TaxZone;
use SL::DB::BankAccount;
use SL::DB::PaymentTerm;
use SL::DBUtils qw(selectfirst_array_query);
use Data::Dumper;

my ($customer, $vendor, $currency_id, @parts, $buchungsgruppe, $buchungsgruppe7, $unit, $employee, $tax, $tax7, $tax_9, $taxzone, $payment_terms,
$bank_account, $bt);
my ($transdate1, $transdate2, $transdate3, $transdate4, $currency, $exchangerate, $exchangerate2, $exchangerate3, $exchangerate4);
my ($ar_chart,$bank,$ar_amount_chart, $ap_chart, $ap_amount_chart, $fxloss_chart, $fxgain_chart);

my $ap_transaction_counter = 0; # used for generating purchase invnumber

Support::TestSetup::login();

init_state();
# test cases: without_skonto
test_default_invoice_one_item_19_without_skonto();
test_default_invoice_two_items_19_7_tax_with_skonto();
test_default_invoice_two_items_19_7_without_skonto();
test_default_invoice_two_items_19_7_without_skonto_incomplete_payment();
test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments();
test_default_ap_transaction_two_charts_19_7_without_skonto();
test_default_ap_transaction_two_charts_19_7_tax_partial_unrounded_payment_without_skonto();
test_default_invoice_one_item_19_without_skonto_overpaid();
test_credit_note_two_items_19_7_tax_tax_not_included();

# test cases: free_skonto
test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto();
test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto_1cent();
test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto_2cent();
test_default_invoice_one_item_19_multiple_payment_final_free_skonto();
test_default_invoice_one_item_19_multiple_payment_final_free_skonto_1cent();
test_default_ap_transaction_two_charts_19_7_tax_without_skonto_multiple_payments_final_free_skonto();

# test cases: with_skonto_pt
test_default_invoice_two_items_19_7_tax_with_skonto_50_50();
test_default_invoice_four_items_19_7_tax_with_skonto_4x_25();
test_default_invoice_four_items_19_7_tax_with_skonto_4x_25_multiple();
test_default_ap_transaction_two_charts_19_7_with_skonto();
test_default_invoice_four_items_19_7_tax_with_skonto_4x_25_tax_included();
test_default_invoice_two_items_19_7_tax_with_skonto_tax_included();

# test payment of ar and ap transactions with currency and tax included/not included
# exchangerate = 1.33333
test_ar_currency_tax_not_included_and_payment();
test_ar_currency_tax_included();
test_ap_currency_tax_not_included_and_payment();
test_ap_currency_tax_included();

test_ar_currency_tax_not_included_and_payment_2(); # exchangerate 0.8
test_ar_currency_tax_not_included_and_payment_2_credit_note(); # exchangerate 0.8

test_ap_currency_tax_not_included_and_payment_2(); # two exchangerates, with fx_gain_loss
test_ap_currency_tax_not_included_and_payment_2_credit_note(); # two exchangerates, with fx_gain_loss

test_error_codes_within_skonto();
is(SL::DB::Manager::Invoice->get_all_count(), 23, "number of invoices at end of tests ok");
TODO: {
local $TODO = "currently this test fails because the code writing the invoice is buggy, the calculation of skonto is correct";
my ($acc_trans_sum) = selectfirst_array_query($::form, $currency->db->dbh, 'SELECT SUM(amount) FROM acc_trans');
is($acc_trans_sum, '0.00000', "sum of all acc_trans at end of all tests is 0");
}

# remove all created data at end of test
clear_up();

done_testing();


sub clear_up {
SL::DB::Manager::InvoiceItem->delete_all(all => 1);
SL::DB::Manager::Invoice->delete_all(all => 1);
SL::DB::Manager::PurchaseInvoice->delete_all(all => 1);
SL::DB::Manager::Part->delete_all(all => 1);
SL::DB::Manager::Customer->delete_all(all => 1);
SL::DB::Manager::Vendor->delete_all(all => 1);
SL::DB::Manager::BankTransactionAccTrans->delete_all(all => 1);
SL::DB::Manager::BankTransaction->delete_all(all => 1);
SL::DB::Manager::BankAccount->delete_all(all => 1);
SL::DB::Manager::PaymentTerm->delete_all(all => 1);
SL::DB::Manager::Exchangerate->delete_all(all => 1);
SL::DB::Manager::Currency->delete_all(where => [ name => 'CUR' ]);
};

sub init_state {
my %params = @_;

clear_up();

$transdate1 = DateTime->today_local;
$transdate1->set_year(2019) if $transdate1->year == 2020; # hardcode for 2019 in 2020, because of tax rate change in Germany
$transdate2 = $transdate1->clone->add(days => 1);
$transdate3 = $transdate1->clone->add(days => 2);
$transdate4 = $transdate1->clone->add(days => 3);

$buchungsgruppe = SL::DB::Manager::Buchungsgruppe->find_by(description => 'Standard 19%') || croak "No accounting group";
$buchungsgruppe7 = SL::DB::Manager::Buchungsgruppe->find_by(description => 'Standard 7%') || croak "No accounting group for 7\%";
$unit = SL::DB::Manager::Unit->find_by(name => 'kg') || croak "No unit";
$employee = SL::DB::Manager::Employee->current || croak "No employee";
$tax = SL::DB::Manager::Tax->find_by(taxkey => 3, rate => 0.19) || croak "No tax";
$tax7 = SL::DB::Manager::Tax->find_by(taxkey => 2, rate => 0.07) || croak "No tax for 7\%";
$taxzone = SL::DB::Manager::TaxZone->find_by( description => 'Inland') || croak "No taxzone";
$tax_9 = SL::DB::Manager::Tax->find_by(taxkey => 9, rate => 0.19) || croak "No tax";
# $tax7 = SL::DB::Manager::Tax->find_by(taxkey => 2, rate => 0.07) || croak "No tax for 7\%";

$currency_id = $::instance_conf->get_currency_id;

$currency = SL::DB::Currency->new(name => 'CUR')->save;

$fxgain_chart = SL::DB::Manager::Chart->find_by(accno => '2660') or die "Can't find fxgain_chart in test";
$fxloss_chart = SL::DB::Manager::Chart->find_by(accno => '2150') or die "Can't find fxloss_chart in test";

$currency->db->dbh->do('UPDATE defaults SET fxgain_accno_id = ' . $fxgain_chart->id);
$currency->db->dbh->do('UPDATE defaults SET fxloss_accno_id = ' . $fxloss_chart->id);
$::instance_conf->reload->data;
is($fxgain_chart->id, $::instance_conf->get_fxgain_accno_id, "fxgain_chart was updated in defaults");
is($fxloss_chart->id, $::instance_conf->get_fxloss_accno_id, "fxloss_chart was updated in defaults");

$exchangerate = SL::DB::Exchangerate->new(transdate => $transdate1,
buy => '1.33333',
sell => '1.33333',
currency_id => $currency->id,
)->save;
$exchangerate2 = SL::DB::Exchangerate->new(transdate => $transdate2,
buy => '0.8',
sell => '0.8',
currency_id => $currency->id,
)->save;
$exchangerate3 = SL::DB::Exchangerate->new(transdate => $transdate3,
buy => '1.55557',
sell => '1.55557',
currency_id => $currency->id,
)->save;
$exchangerate4 = SL::DB::Exchangerate->new(transdate => $transdate4,
buy => '0.77777',
sell => '0.77777',
currency_id => $currency->id,
)->save;

$customer = new_customer(
name => 'Test Customer',
currency_id => $currency_id,
taxzone_id => $taxzone->id,
)->save;

$bank_account = SL::DB::BankAccount->new(
account_number => '123',
bank_code => '123',
iban => '123',
bic => '123',
bank => '123',
chart_id => SL::DB::Manager::Chart->find_by( description => 'Bank' )->id,
name => SL::DB::Manager::Chart->find_by( description => 'Bank' )->description,
)->save;

$payment_terms = SL::DB::PaymentTerm->new(
description => 'payment',
description_long => 'payment',
terms_netto => '30',
terms_skonto => '5',
percent_skonto => '0.05',
auto_calculation => 1,
)->save;

$vendor = new_vendor(
name => 'Test Vendor',
currency_id => $currency_id,
taxzone_id => $taxzone->id,
payment_id => $payment_terms->id,
)->save;


@parts = ();
push @parts, new_part(
partnumber => 'T4254',
description => 'Fourty-two fifty-four',
lastcost => 1.93,
sellprice => 2.34,
buchungsgruppen_id => $buchungsgruppe->id,
unit => $unit->name,
%{ $params{part1} }
)->save;

push @parts, new_part(
partnumber => 'T0815',
description => 'Zero EIGHT fifteeN @ 7%',
lastcost => 5.473,
sellprice => 9.714,
buchungsgruppen_id => $buchungsgruppe7->id,
unit => $unit->name,
%{ $params{part2} }
)->save;
push @parts, new_part(
partnumber => '19%',
description => 'Testware 19%',
lastcost => 0,
sellprice => 50,
buchungsgruppen_id => $buchungsgruppe->id,
unit => $unit->name,
%{ $params{part3} }
)->save;
push @parts, new_part(
partnumber => '7%',
description => 'Testware 7%',
lastcost => 0,
sellprice => 50,
buchungsgruppen_id => $buchungsgruppe7->id,
unit => $unit->name,
%{ $params{part4} }
)->save;

$ar_chart = SL::DB::Manager::Chart->find_by( accno => '1400' ); # Forderungen
$ap_chart = SL::DB::Manager::Chart->find_by( accno => '1600' ); # Verbindlichkeiten
$bank = SL::DB::Manager::Chart->find_by( accno => '1200' ); # Bank
$ar_amount_chart = SL::DB::Manager::Chart->find_by( accno => '8400' ); # Erlöse
$ap_amount_chart = SL::DB::Manager::Chart->find_by( accno => '3400' ); # Wareneingang 19%

$bt = SL::DB::BankTransaction->new(
local_bank_account_id => $bank_account->id,
transdate => $transdate1,
valutadate => $transdate1,
amount => 27332.32,
purpose => 'dummy',
currency => $currency,
);
$bt->save || die $@;

}

sub new_ap_transaction {
$ap_transaction_counter++;

my $ap_transaction = create_ap_transaction(
vendor => $vendor,
invnumber => 'newap ' . $ap_transaction_counter,
taxincluded => 0,
amount => '226',
netamount => '200',
gldate => $transdate1,
taxzone_id => $taxzone->id,
transdate => $transdate1,
bookings => [
{
chart => SL::DB::Manager::Chart->find_by(accno => '3400'),
amount => 100,
},
{
chart => SL::DB::Manager::Chart->find_by(accno => '3300'),
amount => 100,
},
],
);

return $ap_transaction;
}

sub number_of_payments {
my $invoice = shift;

my $number_of_payments;
my $paid_amount;
foreach my $transaction ( @{ $invoice->transactions } ) {
if ( $transaction->chart_link =~ /(AR_paid|AP_paid)/ ) {
$paid_amount += $transaction->amount;
$number_of_payments++;
}
};
return ($number_of_payments, $paid_amount);
};

sub total_amount {
my $invoice = shift;

my $total = sum map { $_->amount } @{ $invoice->transactions };

return $::form->round_amount($total, 5);

};


# test 1
sub test_default_invoice_one_item_19_without_skonto {
my $title = 'default invoice, one item, 19% tax, without_skonto';
my $item = create_invoice_item(part => $parts[0], qty => 2.5);
my $invoice = create_sales_invoice(
transdate => $transdate1,
taxincluded => 0,
invoiceitems => [ $item ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

$params{amount} = '6.96';
$params{payment_type} = 'without_skonto';

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($invoice->netamount, 5.85, "${title}: netamount");
is($invoice->amount, 6.96, "${title}: amount");
is($paid_amount, -6.96, "${title}: paid amount");
is($number_of_payments, 1, "${title}: 1 AR_paid booking");
is($invoice->paid, 6.96, "${title}: paid");
is($total, 0, "${title}: even balance");
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");
is($invoice->paid, $bank_amount->{return_bank_amount}, "${title}: paid eq invoice_amount");
}

sub test_default_invoice_one_item_19_without_skonto_overpaid {
my $title = 'default invoice, one item, 19% tax, without_skonto';

my $item = create_invoice_item(part => $parts[0], qty => 2.5);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item ],
payment_id => $payment_terms->id,
);

my $ap_transaction = new_ap_transaction();


# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

$params{amount} = '16.96';
$params{payment_type} = 'without_skonto';
my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;

my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($exp_invoice_amount > 0, 1, "${title}: bank invoice_amount is positive");
my $bt_invoice_amount = $exp_invoice_amount;

$params{amount} = -10.00;
@ret = $invoice->pay_invoice( %params );

$bank_amount = shift @ret;
$exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($exp_invoice_amount < 0, 1, "${title}: bank invoice_amount is negative");
$bt_invoice_amount += $exp_invoice_amount;


my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85, "${title}: netamount");
is($invoice->amount, 6.96, "${title}: amount");
is($paid_amount, -6.96, "${title}: paid amount");
is($number_of_payments, 2, "${title}: 1 AR_paid booking");
is($invoice->paid, 6.96, "${title}: paid");
is($total, 0, "${title}: even balance");
is($invoice->paid, $bt_invoice_amount, "${title}: invoice paid equals bt invoice_amount");

}


# test 2
sub test_default_invoice_two_items_19_7_tax_with_skonto {
my $title = 'default invoice, two items, 19/7% tax with_skonto_pt';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{payment_type} = 'with_skonto_pt';
$params{amount} = $invoice->amount_less_skonto;

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($total, 0, "${title}: even balance");
}

sub test_default_invoice_two_items_19_7_tax_with_skonto_tax_included {
my $title = 'default invoice, two items, 19/7% tax with_skonto_pt';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
transdate => $transdate1,
taxincluded => 1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{payment_type} = 'with_skonto_pt';
$params{amount} = $invoice->amount_less_skonto;

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 15.82, "${title}: netamount");
is($invoice->amount, 17.51, "${title}: amount");
is($paid_amount, -17.51, "${title}: paid amount");
is($invoice->paid, 17.51, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($invoice->paid != $bank_amount->{return_bank_amount}, 1, "${title}: paid does not equal bank invoice_amount");

TODO: {
local $TODO = "currently this test fails because the code writing the invoice is buggy, the calculation of skonto is correct";
is($total, 0, "${title}: even balance");
}
}

# test 3 : two items, without skonto
sub test_default_invoice_two_items_19_7_without_skonto {
my $title = 'default invoice, two items, 19/7% tax without skonto';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
transdate => $transdate1,
taxincluded => 0,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

$params{amount} = '19.44'; # pass full amount
$params{payment_type} = 'without_skonto';

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 1, "${title}: 1 AR_paid bookings");
is($total, 0, "${title}: even balance");
is($invoice->paid, $bank_amount->{return_bank_amount}, "${title}: paid equals bt.invoice_amount");
}

# test 4
sub test_default_invoice_two_items_19_7_without_skonto_incomplete_payment {
my $title = 'default invoice, two items, 19/7% tax without skonto incomplete payment';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

my @ret = $invoice->pay_invoice( amount => '9.44',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? 9.44 : 9.44 * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -9.44, "${title}: paid amount");
is($invoice->paid, 9.44, "${title}: paid");
is($number_of_payments, 1, "${title}: 1 AR_paid bookings");
is($total, 0, "${title}: even balance");
is($invoice->paid, $bank_amount->{return_bank_amount}, "${title}: paid equals bt.invoice_amount");
}

# test 5
sub test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments {
my $title = 'default invoice, two items, 19/7% tax not included';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
transdate => $transdate1,
taxincluded => 0,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);
my @ret;
@ret = $invoice->pay_invoice( amount => '9.44',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? 9.44 : 9.44 * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");
my $bank_invoice_amount = $bank_amount->{return_bank_amount};

@ret = $invoice->pay_invoice( amount => '10.00',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
$exp_invoice_amount = $invoice->amount > 0 ? 10 : 10 * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");
$bank_invoice_amount += $bank_amount->{return_bank_amount};

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 2, "${title}: 2 AR_paid bookings");
is($total, 0, "${title}: even balance");
is($invoice->paid, $bank_invoice_amount, "${title}: paid eq bank invoice_amount");

}

# test 6
sub test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto {
my $title = 'default invoice, two items, 19/7% tax not included';

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

my (@ret, $bank_amount, $exp_invoice_amount);
@ret = $invoice->pay_invoice( amount => '9.44',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
my $amount = 9.44;
$exp_invoice_amount = $invoice->amount > 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");

@ret = $invoice->pay_invoice( amount => '8.73',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
$amount = 8.73;
$exp_invoice_amount = $invoice->amount > 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");

# free_skonto does:
# my $open_amount = $payment_type eq 'with_skonto_pt' ? $invoice->amount_less_skonto : $invoice->open_amount;
# $open_amount = abs($open_amount);
# $open_amount -= $free_skonto_amount if ($payment_type eq 'free_skonto');

@ret = $invoice->pay_invoice( skonto_amount => $invoice->open_amount,
amount => 0,
payment_type => 'free_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);
$bank_amount = shift @ret;
$amount = 0;
$exp_invoice_amount = $invoice->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");


my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);
is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 4, "${title}: 4 AR_paid bookings");
is($total, 0, "${title}: even balance");

}

sub test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto_1cent {
my $title = 'default invoice, two items, 19/7% tax not included';

# if there is only one cent left there can only be one skonto booking, the
# error handling should choose the highest amount, which is the 7% account
# (11.66) rather than the 19% account (5.85). The actual tax amount is
# higher for the 19% case, though (1.11 compared to 0.82)
#
# -> wrong: sub name. two cents are still left. one cent for each tax case. no tax correction

my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

my (@ret, $bank_amount, $exp_invoice_amount);
@ret = $invoice->pay_invoice( amount => '19.42',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
my $amount = 19.42;
$exp_invoice_amount = $invoice->amount > 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

@ret = $invoice->pay_invoice( skonto_amount => $invoice->open_amount,
amount => 0,
payment_type => 'free_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);
$bank_amount = shift @ret;
$amount = 0;
$exp_invoice_amount = $invoice->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($total, 0, "${title}: even balance");
}

sub test_default_invoice_two_items_19_7_tax_without_skonto_multiple_payments_final_free_skonto_2cent {
my $title = 'default invoice, two items, 19/7% tax not included';

# if there are two cents left there will be two skonto bookings, 1 cent each
my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

my (@ret, $bank_amount, $exp_invoice_amount);
@ret = $invoice->pay_invoice( amount => '19.42',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
my $amount = 19.42;
$exp_invoice_amount = $invoice->amount > 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

@ret = $invoice->pay_invoice( skonto_amount => $invoice->open_amount,
amount => 0,
payment_type => 'free_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);
$bank_amount = shift @ret;
$amount = 0;
$exp_invoice_amount = $invoice->amount > 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} == 0, 1, "${title}: bank invoice_amount is zero");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85 + 11.66, "${title}: netamount");
is($invoice->amount, 6.96 + 12.48, "${title}: amount");
is($paid_amount, -19.44, "${title}: paid amount");
is($invoice->paid, 19.44, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($total, 0, "${title}: even balance");

}

sub test_default_invoice_one_item_19_multiple_payment_final_free_skonto {
my $title = 'default invoice, one item, 19% tax, without_skonto';

my $item = create_invoice_item(part => $parts[0], qty => 2.5);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{amount} = '2.32';
$params{payment_type} = 'without_skonto';
my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");


$params{amount} = '3.81';
$params{payment_type} = 'without_skonto';
@ret = $invoice->pay_invoice( %params );
$bank_amount = shift @ret;
$exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");



$params{skonto_amount} = $invoice->open_amount; # set amount, otherwise previous 3.81 is used
$params{amount} = 0,
$params{payment_type} = 'free_skonto';
@ret = $invoice->pay_invoice( %params );
$bank_amount = shift @ret;
$exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} == 0, 1, "${title}: bank invoice_amount is zero");


my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85, "${title}: netamount");
is($invoice->amount, 6.96, "${title}: amount");
is($paid_amount, -6.96, "${title}: paid amount");
is($number_of_payments, 3, "${title}: 3 AR_paid booking");
is($invoice->paid, 6.96, "${title}: paid");
is($total, 0, "${title}: even balance");

}

sub test_default_invoice_one_item_19_multiple_payment_final_free_skonto_1cent {
my $title = 'default invoice, one item, 19% tax, without_skonto';

my $item = create_invoice_item(part => $parts[0], qty => 2.5);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{amount} = '6.95';
$params{payment_type} = 'without_skonto';
my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: bank invoice_amount is positive");

$params{skonto_amount} = $invoice->open_amount;
$params{amount} = 0,
$params{payment_type} = 'free_skonto';
@ret = $invoice->pay_invoice( %params );
$bank_amount = shift @ret;
$exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");


my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 5.85, "${title}: netamount");
is($invoice->amount, 6.96, "${title}: amount");
is($paid_amount, -6.96, "${title}: paid amount");
is($number_of_payments, 2, "${title}: 3 AR_paid booking");
is($invoice->paid, 6.96, "${title}: paid");
is($total, 0, "${title}: even balance");

}

# test 3 : two items, without skonto
sub test_default_ap_transaction_two_charts_19_7_without_skonto {
my $title = 'default ap_transaction, two items, 19/7% tax without skonto';

my $ap_transaction = new_ap_transaction();

my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

$params{amount} = 226; # pass full amount
$params{payment_type} = 'without_skonto';

my @ret = $ap_transaction->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $ap_transaction->amount < 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: bank invoice_amount is negative");

my ($number_of_payments, $paid_amount) = number_of_payments($ap_transaction);
my $total = total_amount($ap_transaction);

is($paid_amount, 226, "${title}: paid amount");
is($ap_transaction->paid, 226, "${title}: ap.paid amount");
is($number_of_payments, 1, "${title}: 1 AP_paid bookings");
is($total, 0, "${title}: even balance");

}

sub test_default_ap_transaction_two_charts_19_7_with_skonto {
my $title = 'default invoice, two items, 19/7% tax without skonto';

my $ap_transaction = new_ap_transaction();

my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);
# BankTransaction-Controller __always__ calcs amount:
# my $open_amount = $payment_type eq 'with_skonto_pt' ? $invoice->amount_less_skonto : $invoice->open_amount;
$ap_transaction->payment_terms($ap_transaction->vendor->payment);
$params{amount} = $ap_transaction->amount_less_skonto; # pass calculated skonto amount
$params{payment_type} = 'with_skonto_pt';

my @ret = $ap_transaction->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $ap_transaction->amount < 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: bank invoice_amount is negative");

my ($number_of_payments, $paid_amount) = number_of_payments($ap_transaction);
my $total = total_amount($ap_transaction);

is($paid_amount, 226, "${title}: paid amount");
is($ap_transaction->paid, 226, "${title}: paid amount");
is($number_of_payments, 3, "${title}: 1 AP_paid bookings");
is($total, 0, "${title}: even balance");

}

sub test_default_ap_transaction_two_charts_19_7_tax_partial_unrounded_payment_without_skonto {
my $title = 'default ap_transaction, two charts, 19/7% tax multiple payments with final difference as skonto';

# check whether unrounded amounts passed via $params{amount} are rounded for without_skonto case
my $ap_transaction = new_ap_transaction();
my @ret = $ap_transaction->pay_invoice(
amount => ( $ap_transaction->amount / 3 * 2),
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
my $bank_amount = shift @ret;
my $amount = $::form->round_amount( $ap_transaction->amount / 3 * 2, 2);
my $exp_invoice_amount = $ap_transaction->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: bank invoice_amount is negative");


my ($number_of_payments, $paid_amount) = number_of_payments($ap_transaction);
my $total = total_amount($ap_transaction);

is($paid_amount, 150.67, "${title}: paid amount");
is($ap_transaction->paid, 150.67, "${title}: paid amount");
is($number_of_payments, 1, "${title}: 1 AP_paid bookings");
is($total, 0, "${title}: even balance");
};


sub test_default_ap_transaction_two_charts_19_7_tax_without_skonto_multiple_payments_final_free_skonto {
my $title = 'default ap_transaction, two charts, 19/7% tax multiple payments with final free skonto';

my $ap_transaction = new_ap_transaction();

# pay 2/3 and 1/5, leaves 3.83% to be used as Skonto
my @ret = $ap_transaction->pay_invoice(
amount => ( $ap_transaction->amount / 3 * 2),
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
my $bank_amount = shift @ret;
my $amount = $::form->round_amount( $ap_transaction->amount / 3 * 2, 2);
my $exp_invoice_amount = $ap_transaction->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: bank invoice_amount is negative");

@ret = $ap_transaction->pay_invoice(
amount => ( $ap_transaction->amount / 5 ),
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$bank_amount = shift @ret;
$amount = $ap_transaction->amount / 5;
$exp_invoice_amount = $ap_transaction->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: invoice_amount negative");

@ret = $ap_transaction->pay_invoice(
payment_type => 'free_skonto',
skonto_amount => $ap_transaction->open_amount,
amount => 0,
chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);
$bank_amount = shift @ret;
$amount = 0;
$exp_invoice_amount = $ap_transaction->amount < 0 ? $amount : $amount * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");

my ($number_of_payments, $paid_amount) = number_of_payments($ap_transaction);
my $total = total_amount($ap_transaction);

is($paid_amount, 226, "${title}: paid amount");
is($ap_transaction->paid, 226, "${title}: ap.paid amount");
is($number_of_payments, 4, "${title}: 4 AP_paid bookings");
is($total, 0, "${title}: even balance");

}

# test
sub test_default_invoice_two_items_19_7_tax_with_skonto_50_50 {
my $title = 'default invoice, two items, 19/7% tax with_skonto_pt 50/50';

my $item1 = create_invoice_item(part => $parts[2], qty => 1);
my $item2 = create_invoice_item(part => $parts[3], qty => 1);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{amount} = $invoice->amount_less_skonto;
$params{payment_type} = 'with_skonto_pt';

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;
my $exp_invoice_amount = $invoice->amount > 0 ? $params{amount} : $params{amount} * -1;
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} > 0, 1, "${title}: invoice_amount positive");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 100, "${title}: netamount");
is($invoice->amount, 113, "${title}: amount");
is($paid_amount, -113, "${title}: paid amount");
is($invoice->paid, 113, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($total, 0, "${title}: even balance");
}

# test
sub test_default_invoice_four_items_19_7_tax_with_skonto_4x_25 {
my $title = 'default invoice, four items, 19/7% tax with_skonto_pt 4x25';

my $item1 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item2 = create_invoice_item(part => $parts[3], qty => 0.5);
my $item3 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item4 = create_invoice_item(part => $parts[3], qty => 0.5);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2, $item3, $item4 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{amount} = $invoice->amount_less_skonto;
$params{payment_type} = 'with_skonto_pt';

$invoice->pay_invoice( %params );

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount , 100 , "${title}: netamount");
is($invoice->amount , 113 , "${title}: amount");
is($paid_amount , -113 , "${title}: paid amount");
is($invoice->paid , 113 , "${title}: paid");
is($number_of_payments , 3 , "${title}: 3 AR_paid bookings");
is($total , 0 , "${title}: even balance");
}

sub test_default_invoice_four_items_19_7_tax_with_skonto_4x_25_tax_included {
my $title = 'default invoice, four items, 19/7% tax with_skonto_pt 4x25';

my $item1 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item2 = create_invoice_item(part => $parts[3], qty => 0.5);
my $item3 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item4 = create_invoice_item(part => $parts[3], qty => 0.5);
my $invoice = create_sales_invoice(
taxincluded => 1,
transdate => $transdate1,
invoiceitems => [ $item1, $item2, $item3, $item4 ],
payment_id => $payment_terms->id,
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
);

$params{amount} = $invoice->amount_less_skonto;
$params{payment_type} = 'with_skonto_pt';

$invoice->pay_invoice( %params );

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 88.75, "${title}: netamount");
is($invoice->amount, 100, "${title}: amount");
is($paid_amount, -100, "${title}: paid amount");
is($invoice->paid, 100, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
TODO: {
local $TODO = "currently this test fails because the code writing the invoice is buggy, the calculation of skonto is correct";
is($total, 0, "${title}: even balance");
}
}

sub test_default_invoice_four_items_19_7_tax_with_skonto_4x_25_multiple {
my $title = 'default invoice, four items, 19/7% tax with_skonto_pt 4x25';

my $item1 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item2 = create_invoice_item(part => $parts[3], qty => 0.5);
my $item3 = create_invoice_item(part => $parts[2], qty => 0.5);
my $item4 = create_invoice_item(part => $parts[3], qty => 0.5);
my $invoice = create_sales_invoice(
taxincluded => 0,
transdate => $transdate1,
invoiceitems => [ $item1, $item2, $item3, $item4 ],
payment_id => $payment_terms->id,
);

$invoice->pay_invoice( amount => '90',
payment_type => 'without_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
);
$invoice->pay_invoice( payment_type => 'free_skonto',
chart_id => $bank_account->chart_id,
transdate => $transdate1,
bt_id => $bt->id,
skonto_amount => $invoice->open_amount,
amount => 0,
);

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, 100, "${title}: netamount");
is($invoice->amount, 113, "${title}: amount");
is($paid_amount, -113, "${title}: paid amount");
is($invoice->paid, 113, "${title}: paid");
is($number_of_payments, 3, "${title}: 3 AR_paid bookings");
is($total, 0, "${title}: even balance: this will fail due to rounding error in invoice post, not the skonto");
}

sub test_ar_currency_tax_not_included_and_payment {
my $title = 'test_ar_currency_tax_not_included_and_payment_2';

my $netamount = $::form->round_amount(75 * $exchangerate->sell,2); # 75 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 100 in EUR, 119.00 in EUR incl. tax
my $invoice = SL::DB::Invoice->new(
invoice => 0,
amount => $amount,
netamount => $netamount,
transdate => $transdate1,
taxincluded => 0,
customer_id => $customer->id,
taxzone_id => $customer->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ar_currency_tax_not_included_and_payment',
);
$invoice->add_ar_amount_row(
amount => $invoice->netamount,
chart => $ar_amount_chart,
tax_id => $tax->id,
);

$invoice->create_ar_row(chart => $ar_chart);
$invoice->save;

is(SL::DB::Manager::Invoice->get_all_count(where => [ invoice => 0 ]), 1, 'there is one ar transaction');
is($invoice->currency_id , $currency->id , 'currency_id has been saved');
is($invoice->netamount , 100 , 'ar amount has been converted');
is($invoice->amount , 119 , 'ar amount has been converted');
is($invoice->taxincluded , 0 , 'ar transaction doesn\'t have taxincluded');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_amount_chart->id, trans_id => $invoice->id)->amount, '100.00000', $ar_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_chart->id, trans_id => $invoice->id)->amount, '-119.00000', $ar_chart->accno . ': has been converted for currency');
$invoice->pay_invoice(chart_id => $bank->id,
amount => 50, # amount is in default currency -> should be 37.5 in CUR
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 39.25, # amount is in default currency -> should be 29.44 in CUR
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 29.75,
transdate => $transdate1->to_kivitendo,
currency => 'CUR',
exchangerate => $exchangerate->sell,
);
is(scalar @{$invoice->transactions}, 9, 'ar transaction has 9 transactions');
is($invoice->paid, $invoice->amount, 'ar transaction paid = amount in default currency');
}

sub test_ar_currency_tax_included {
my $title = 'test_ar_currency_tax_included';

# we want the acc_trans amount to be 100
my $amount = $::form->round_amount(75 * $exchangerate->sell * 1.19);
my $netamount = $::form->round_amount($amount / 1.19,2);
my $invoice = SL::DB::Invoice->new(
invoice => 0,
amount => 119,
netamount => 100,
transdate => $transdate1,
taxincluded => 1,
customer_id => $customer->id,
taxzone_id => $customer->taxzone_id,
currency_id => $currency->id,
notes => 'test_ar_currency_tax_included',
transactions => [],
);
$invoice->add_ar_amount_row( # should take care of taxincluded
amount => $invoice->amount, # tax included in local currency
chart => $ar_amount_chart,
tax_id => $tax->id,
);

$invoice->create_ar_row( chart => $ar_chart );
$invoice->save;
is(SL::DB::Manager::Invoice->get_all_count(where => [ invoice => 0 ]), 2, 'there are now two ar transactions');
is($invoice->currency_id , $currency->id , 'currency_id has been saved');
is($invoice->amount , $amount , 'amount ok');
is($invoice->netamount , $netamount , 'netamount ok');
is($invoice->taxincluded , 1 , 'ar transaction has taxincluded');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_amount_chart->id, trans_id => $invoice->id)->amount, '100.00000', $ar_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_chart->id, trans_id => $invoice->id)->amount, '-119.00000', $ar_chart->accno . ': has been converted for currency');
$invoice->pay_invoice(chart_id => $bank->id,
amount => 89.25,
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->sell,
);

};

sub test_ap_currency_tax_not_included_and_payment {
my $title = 'test_ap_currency_tax_not_included_and_payment';

my $netamount = $::form->round_amount(75 * $exchangerate->buy,2); # 75 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 100 in CUR, 119.00 in EUR
my $invoice = SL::DB::PurchaseInvoice->new(
invoice => 0,
invnumber => 'test_ap_currency_tax_not_included_and_payment',
amount => $amount,
netamount => $netamount,
transdate => $transdate1,
taxincluded => 0,
vendor_id => $vendor->id,
taxzone_id => $vendor->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ap_currency_tax_not_included_and_payment',
);
$invoice->add_ap_amount_row(
amount => $invoice->netamount,
chart => $ap_amount_chart,
tax_id => $tax_9->id,
);

$invoice->create_ap_row(chart => $ap_chart);
$invoice->save;

is($invoice->currency_id, $currency->id, 'currency_id has been saved');
is($invoice->netamount, 100, 'ap amount has been converted');
is($invoice->amount, 119, 'ap amount has been converted');
is($invoice->taxincluded, 0, 'ap transaction doesn\'t have taxincluded');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_amount_chart->id, trans_id => $invoice->id)->amount, '-100.00000', $ap_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_chart->id, trans_id => $invoice->id)->amount, '119.00000', $ap_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => 50,
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->buy,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 39.25,
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->buy,
);
is($invoice->paid, 89.25, 'ap transaction paid = amount in default currency');
$invoice->pay_invoice(chart_id => $bank->id,
amount => 22.31 * $exchangerate2->buy, # 22.31 in fx currency
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->buy,
);

is(scalar @{$invoice->transactions}, 10, 'ap transaction has 10 transactions (including fx gain transaction)');
is($invoice->paid, $invoice->amount, 'ap transaction paid = amount in default currency');

# check last booking fx rate decreased to 0.8 from 1.33333
my $fxgain_chart = SL::DB::Manager::Chart->find_by(accno => '2660') or die "Can't find fxgain_chart in test";
my $fx_gain_transactions = SL::DB::Manager::AccTransaction->get_all(where =>
[ trans_id => $invoice->id, chart_id => $fxgain_chart->id ],
sort_by => ('acc_trans_id'));

is($fx_gain_transactions->[0]->amount, '11.90000', "fx gain amount ok");

# check last bank transaction should be 22.31 * 0.8
my $last_bank_transaction = SL::DB::Manager::AccTransaction->get_all(where =>
[ trans_id => $invoice->id, chart_id => $bank->id, transdate => $transdate2 ],
sort_by => ('acc_trans_id'));

is($last_bank_transaction->[0]->amount, '17.85000', "fx bank amount with fx gain ok");



}

sub test_ap_currency_tax_included {
my $title = 'test_ap_currency_tax_included';

# we want the acc_trans amount to be 100
my $amount = $::form->round_amount(75 * $exchangerate->buy * 1.19);
my $netamount = $::form->round_amount($amount / 1.19,2);
my $invoice = SL::DB::PurchaseInvoice->new(
invoice => 0,
amount => 119, #$amount,
netamount => 100, #$netamount,
transdate => $transdate1,
taxincluded => 1,
vendor_id => $vendor->id,
taxzone_id => $vendor->taxzone_id,
currency_id => $currency->id,
notes => 'test_ap_currency_tax_included',
invnumber => 'test_ap_currency_tax_included',
transactions => [],
);
$invoice->add_ap_amount_row( # should take care of taxincluded
amount => $invoice->amount, # tax included in local currency
chart => $ap_amount_chart,
tax_id => $tax_9->id,
);

$invoice->create_ap_row( chart => $ap_chart );
$invoice->save;
is($invoice->currency_id , $currency->id , 'currency_id has been saved');
is($invoice->amount , $amount , 'amount ok');
is($invoice->netamount , $netamount , 'netamount ok');
is($invoice->taxincluded , 1 , 'ap transaction has taxincluded');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_amount_chart->id, trans_id => $invoice->id)->amount, '-100.00000', $ap_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_chart->id, trans_id => $invoice->id)->amount, '119.00000', $ap_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => 89.25,
currency => 'CUR',
transdate => $transdate1->to_kivitendo,
exchangerate => $exchangerate->sell,
);

};

sub test_ar_currency_tax_not_included_and_payment_2 {
my $title = 'test_ar_currency_tax_not_included_and_payment_2';

my $netamount = $::form->round_amount(125 * $exchangerate2->sell,2); # 125.00 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 148.75 in CUR, 119.00 in EUR
my $invoice = SL::DB::Invoice->new(
invoice => 0,
amount => $amount,
netamount => $netamount,
transdate => $transdate2,
taxincluded => 0,
customer_id => $customer->id,
taxzone_id => $customer->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ar_currency_tax_not_included_and_payment 0.8',
invnumber => 'test_ar_currency_tax_not_included_and_payment 0.8',
);
$invoice->add_ar_amount_row(
amount => $invoice->netamount,
chart => $ar_amount_chart,
tax_id => $tax->id,
);

$invoice->create_ar_row(chart => $ar_chart);
$invoice->save;

is($invoice->currency_id , $currency->id , "$title: currency_id has been saved");
is($invoice->netamount , 100 , "$title: ar amount has been converted");
is($invoice->amount , 119 , "$title: ar amount has been converted");
is($invoice->taxincluded , 0 , "$title: ar transaction doesn\"t have taxincluded");
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_amount_chart->id, trans_id => $invoice->id)->amount, '100.00000', $title . " " . $ar_amount_chart->accno . ": has been converted for currency");
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_chart->id, trans_id => $invoice->id)->amount, '-119.00000', $title . " " . $ar_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => 123.45 * $exchangerate2->sell,
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 15.30 * $exchangerate3->sell,
currency => 'CUR',
transdate => $transdate3->to_kivitendo,
exchangerate => $exchangerate3->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 10.00 * $exchangerate4->sell,
currency => 'CUR',
transdate => $transdate4->to_kivitendo,
exchangerate => $exchangerate4->sell,
);
# $invoice->pay_invoice(chart_id => $bank->id,
# amount => 30,
# transdate => $transdate2->to_kivitendo,
# );
my $fx_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, fx_transaction => 0 ], sort_by => ('acc_trans_id'));
is(scalar @{$fx_transactions}, 11, "$title: ar transaction has 11 transaction");

is($invoice->paid, $invoice->amount, "$title ar transaction paid = amount in default currency");
};

sub test_ar_currency_tax_not_included_and_payment_2_credit_note {
my $title = 'test_ar_currency_tax_not_included_and_payment_2_credit_note';

my $netamount = $::form->round_amount(-125 * $exchangerate2->sell,2); # 125.00 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 148.75 in CUR, 119.00 in EUR
my $invoice = SL::DB::Invoice->new(
invoice => 0,
amount => $amount,
netamount => $netamount,
transdate => $transdate2,
taxincluded => 0,
customer_id => $customer->id,
taxzone_id => $customer->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ar_currency_tax_not_included_and_payment credit note 0.8',
invnumber => 'test_ar_currency_tax_not_included_and_payment credit note 0.8',
);
$invoice->add_ar_amount_row(
amount => $invoice->netamount,
chart => $ar_amount_chart,
tax_id => $tax->id,
);

$invoice->create_ar_row(chart => $ar_chart);
$invoice->save;

is($invoice->currency_id , $currency->id , 'currency_id has been saved');
is($invoice->netamount , -100 , 'ar amount has been converted');
is($invoice->amount , -119 , 'ar amount has been converted');
is($invoice->taxincluded , 0 , 'ar transaction doesn\'t have taxincluded');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_amount_chart->id, trans_id => $invoice->id)->amount, '-100.00000', $ar_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ar_chart->id, trans_id => $invoice->id)->amount, '119.00000', $ar_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => -123.45 * $exchangerate2->sell,
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => -25.30 * $exchangerate2->sell,
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->sell,
);
#my $fx_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, fx_transaction => 1 ], sort_by => ('acc_trans_id'));
#is(scalar @{$fx_transactions}, 2, 'ar transaction has 2 fx transactions');
#is($fx_transactions->[0]->amount, '-24.69000', 'fx transactions 1: 123.45-(123.45*0.8) = 24.69');

is(scalar @{$invoice->transactions}, 7, 'ar transaction has 7 transactions (no fxtransactions)');
is($invoice->paid, $invoice->amount, 'ar transaction paid = amount in default currency');
};

sub test_ap_currency_tax_not_included_and_payment_2 {
my $title = 'test_ap_currency_tax_not_included_and_payment_2';

my $netamount = $::form->round_amount(125 * $exchangerate2->sell,2); # 125.00 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 148.75 in CUR, 119.00 in EUR
my $invoice = SL::DB::PurchaseInvoice->new(
invoice => 0,
amount => $amount,
netamount => $netamount,
transdate => $transdate2,
taxincluded => 0,
vendor_id => $vendor->id,
taxzone_id => $vendor->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ap_currency_tax_not_included_and_payment_2 0.8 + 1.33333',
invnumber => 'test_ap_currency_tax_not_included_and_payment_2 0.8 + 1.33333',
);
$invoice->add_ap_amount_row(
amount => $invoice->netamount,
chart => $ap_amount_chart,
tax_id => $tax_9->id,
);

$invoice->create_ap_row(chart => $ap_chart);
$invoice->save;

is($invoice->currency_id , $currency->id , "$title: currency_id has been saved");
is($invoice->netamount , 100 , "$title: ap amount has been converted");
is($invoice->amount , 119 , "$title: ap amount has been converted");
is($invoice->taxincluded , 0 , "$title: ap transaction doesn\'t have taxincluded");
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_amount_chart->id, trans_id => $invoice->id)->amount, '-100.00000', $ap_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_chart->id, trans_id => $invoice->id)->amount, '119.00000', $ap_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => 10 * $exchangerate2->sell,
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 123.45 * $exchangerate3->sell,
currency => 'CUR',
transdate => $transdate3->to_kivitendo,
exchangerate => $exchangerate3->sell,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => 15.30 * $exchangerate4->sell,
currency => 'CUR',
transdate => $transdate4->to_kivitendo,
exchangerate => $exchangerate4->sell,
);
#my $fx_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, fx_transaction => 1 ], sort_by => ('acc_trans_id'));
#is(scalar @{$fx_transactions}, 3, "$title: ap transaction has 3 fx transactions");
#is($fx_transactions->[0]->amount, '-2.00000', "$title: fx transaction 1: 10.00-( 10.00*0.80000) = 2.00000");
#is($fx_transactions->[1]->amount, '68.59000', "$title: fx transaction 2: 123.45-(123.45*1.55557) = -68.58511");
#is($fx_transactions->[2]->amount, '-3.40000', "$title: fx transaction 3: 15.30-(15.30 *0.77777) = 3.40012");

my $fx_loss_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, chart_id => $fxloss_chart->id ], sort_by => ('acc_trans_id'));
my $fx_gain_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, chart_id => $fxgain_chart->id ], sort_by => ('acc_trans_id'));
is($fx_gain_transactions->[0]->amount, '0.34000', "$title: fx gain amount ok");
is($fx_loss_transactions->[0]->amount, '-93.28000', "$title: fx loss amount ok");

is(scalar @{$invoice->transactions}, 11, "$title: ap transaction has 11 transactions (no fxtransactions and gain_loss)");
is($invoice->paid, $invoice->amount, "$title: ap transaction paid = amount in default currency");
is(total_amount($invoice), 0, "$title: even balance");
};

sub test_ap_currency_tax_not_included_and_payment_2_credit_note {
my $title = 'test_ap_currency_tax_not_included_and_payment_2_credit_note';

my $netamount = $::form->round_amount(-125 * $exchangerate2->buy, 2); # 125.00 in CUR, 100.00 in EUR
my $amount = $::form->round_amount($netamount * 1.19,2); # 148.75 in CUR, 119.00 in EUR
my $invoice = SL::DB::PurchaseInvoice->new(
invoice => 0,
amount => $amount,
netamount => $netamount,
transdate => $transdate2,
taxincluded => 0,
vendor_id => $vendor->id,
taxzone_id => $vendor->taxzone_id,
currency_id => $currency->id,
transactions => [],
notes => 'test_ap_currency_tax_not_included_and_payment credit note 0.8 + 1.33333',
invnumber => 'test_ap_currency_tax_not_included_and_payment credit note 0.8 + 1.33333',
);
$invoice->add_ap_amount_row(
amount => $invoice->netamount,
chart => $ap_amount_chart,
tax_id => $tax_9->id,
);

$invoice->create_ap_row(chart => $ap_chart);
$invoice->save;

is($invoice->currency_id , $currency->id , "$title: currency_id has been saved");
is($invoice->netamount , -100 , "$title: ap amount has been converted");
is($invoice->amount , -119 , "$title: ap amount has been converted");
is($invoice->taxincluded , 0 , "$title: ap transaction doesn\'t have taxincluded");
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_amount_chart->id, trans_id => $invoice->id)->amount, '100.00000', $ap_amount_chart->accno . ': has been converted for currency');
is(SL::DB::Manager::AccTransaction->find_by(chart_id => $ap_chart->id, trans_id => $invoice->id)->amount, '-119.00000', $ap_chart->accno . ': has been converted for currency');

$invoice->pay_invoice(chart_id => $bank->id,
amount => -10 * $exchangerate2->buy,
currency => 'CUR',
transdate => $transdate2->to_kivitendo,
exchangerate => $exchangerate2->buy,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => -123.45 * $exchangerate3->buy,
currency => 'CUR',
transdate => $transdate3->to_kivitendo,
exchangerate => $exchangerate3->buy,
);
$invoice->pay_invoice(chart_id => $bank->id,
amount => -15.30 * $exchangerate4->buy,
currency => 'CUR',
transdate => $transdate4->to_kivitendo,
exchangerate => $exchangerate4->buy,
);
#my $fx_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, fx_transaction => 1 ], sort_by => ('acc_trans_id'));
#is(scalar @{$fx_transactions}, 3, "$title: ap transaction has 3 fx transactions");
#is($fx_transactions->[0]->amount, '2.00000', "$title: fx transaction 1: 10.00-( 10.00*0.80000) = 2.00000");
#is($fx_transactions->[1]->amount, '-68.59000', "$title: fx transaction 2: 123.45-(123.45*1.55557) = -68.58511");
#is($fx_transactions->[2]->amount, '3.40000', "$title: fx transaction 3: 15.30-(15.30 *0.77777) = 3.40012");

my $fx_gain_loss_transactions = SL::DB::Manager::AccTransaction->get_all(where => [ trans_id => $invoice->id, chart_id => $fxgain_chart->id ], sort_by => ('acc_trans_id'));
is($fx_gain_loss_transactions->[0]->amount, '93.28000', "$title: fx gain loss amount ok");

is(scalar @{$invoice->transactions}, 11, "$title: ap transaction has 11 transactions (no fxtransactions and gain_loss)");
is($invoice->paid, $invoice->amount, "$title: ap transaction paid = amount in default currency");
is(total_amount($invoice), 0, "$title: even balance");
};

sub test_credit_note_two_items_19_7_tax_tax_not_included {
my $title = 'test_credit_note_two_items_19_7_tax_tax_not_included';

my $item1 = create_invoice_item(part => $parts[0], qty => 5);
my $item2 = create_invoice_item(part => $parts[1], qty => 3);
my $invoice = create_credit_note(
invnumber => 'cn1',
transdate => $transdate1,
taxincluded => 0,
invoiceitems => [ $item1, $item2 ],
);

# default values
my %params = ( chart_id => $bank_account->chart_id,
transdate => $transdate1,
);

$params{amount} = $invoice->amount,

my @ret = $invoice->pay_invoice( %params );
my $bank_amount = shift @ret;

my $exp_invoice_amount = $params{amount};
is($bank_amount->{return_bank_amount}, $exp_invoice_amount, "${title}: invoice_amount");
is($bank_amount->{return_bank_amount} < 0, 1, "${title}: bank invoice_amount is negative (credit note)");

my ($number_of_payments, $paid_amount) = number_of_payments($invoice);
my $total = total_amount($invoice);

is($invoice->netamount, -40.84, "${title}: netamount");
is($invoice->amount, -45.10, "${title}: amount");
is($paid_amount, 45.10, "${title}: paid amount according to acc_trans is positive (Haben)");
is($invoice->paid, -45.10, "${title}: paid");
is($number_of_payments, 1, "${title}: 1 AR_paid bookings");
is($total, 0, "${title}: even balance");
}

sub test_error_codes_within_skonto {
my $title = 'test within_skonto_period';
my $item1 = create_invoice_item(part => $parts[0], qty => 2.5);
my $item2 = create_invoice_item(part => $parts[1], qty => 1.2);
# no skonto payment terms at all
my $invoice = create_sales_invoice(
transdate => $transdate1,
taxincluded => 1,
invoiceitems => [ $item1, $item2 ],
);
# has skonto payment terms
my $invoice2 = create_sales_invoice(
transdate => $transdate1,
taxincluded => 1,
invoiceitems => [ $item1, $item2 ],
payment_id => $payment_terms->id,
);

throws_ok{
$invoice->within_skonto_period();
} qr/Mandatory parameter 'transdate' missing in call to SL::DB::Helper::Payment::within_skonto_period/, "call without parameter throws correct error message";

throws_ok{
$invoice->within_skonto_period(transdate => 'Kaese');
} qr/The 'transdate' parameter \("Kaese"\) to SL::DB::Helper::Payment::within_skonto_period was not a 'DateTime' \(it is a Kaese\)/, "call with parameter Käse throws correct error message";

throws_ok{
$invoice->within_skonto_period(transdate => DateTime->now());
} qr /The 'transdate' parameter .* to SL::DB::Helper::Payment::within_skonto_period did not pass the 'self has a skonto date' callback/, "call to invoice withount skonto throws correct error message";

is($invoice2->within_skonto_period(transdate => DateTime->now()->add(days => 1)), 1, "one day after invdate is skontoable");
is($invoice2->within_skonto_period(transdate => DateTime->now()->add(days => 4)), 1, "four days after invdate is skontoable");

throws_ok{
$invoice2->within_skonto_period(transdate => DateTime->now()->add(days => 6));
} qr /The 'transdate' parameter .* to SL::DB::Helper::Payment::within_skonto_period did not pass the 'is within skonto period' callback/, "One day after skonto date throws correct error message";

}

1;
(5-5/8)