testscript.php

<?php

namespace smbo\tests;
class VATRules extends TestCase
{

    function complextest($is_invoice_basis, $is_invoice_locked, $is_purchase) {
        if($is_invoice_basis) {
            $this->app->system['is_invoice_basis'] = true;
        }

        if($is_purchase) {
            $c = $this->app->add('Contact_Supplier');
        }else{
            $c = $this->app->add('Contact_Client');
        }

        $c1 = $c->save('Smith Consultancy');

        $i1 = $c1->ref('Invoice')->insert([
            'ref_no'=>'inv101', 
            'date'=>'2015-01-01',
            'lines'=>[[
                'total_gross'=>375,
            ]]
        ]);

        if ($is_invoice_locked) {
            // payment locks invoice
            $i->ref('Payment')->insert(['total_gross'=>375]);
        }


        // Now perform action
        $i['date'] = '2015-03-01';
        try {
            $i->save();
            return true;
        } catch(LogicException $e) {
            return false;
        }
    }


    function test000() { $this->assertTrue($this->complextest(false, false, false)); }
    function test001() { $this->assertTrue($this->complextest(false, false, true)); }
    function test010() { $this->assertFalse($this->complextest(false, true, false)); }
    function test011() { $this->assertTrue($this->complextest(false, true, true)); }
    function test100() { $this->assertTrue($this->complextest(true, false, false)); }
    function test101() { $this->assertFalse($this->complextest(true, false, true)); }
    function test110() { $this->assertFalse($this->complextest(true, true, false)); }
    function test111() { $this->assertFalse($this->complextest(true, true, true)); }
}