silverstripe-framework/tests/php/ORM/DBPercentageTest.php

<?php

namespace SilverStripe\ORM\Tests;

use SilverStripe\ORM\FieldType\DBPercentage;
use SilverStripe\Dev\SapphireTest;

class DBPercentageTest extends SapphireTest
{

    public function testNice()
    {
        /* Test the default Nice() output of Percentage */
        $cases = array(
            '0.01' => '1.00%',
            '0.10' => '10.00%',
            '1' => '100.00%',
            '1.5' => '150.00%',
            '1.5000' => '150.00%',
            '1.05' => '105.00%',
            '1.0500' => '105.00%',
            '0.95' => '95.00%'
        );

        foreach ($cases as $original => $expected) {
            $percentage = new DBPercentage('Probability');
            $percentage->setValue($original);
            $this->assertEquals($expected, $percentage->Nice());
        }
    }

    public function testCustomPrecision()
    {
        /* Set a precision that's different from the default with Nice() output */
        $cases = array(
            '0.01' => '1%',
            '0.1' => '10%',
            '1' => '100%',
            '1.5' => '150%',
            '1.05' => '105%',
            '1.0500' => '105%'
        );

        foreach ($cases as $original => $expected) {
            $percentage = new DBPercentage('Probability', 2);
            $percentage->setValue($original);
            $this->assertEquals($expected, $percentage->Nice());
        }
    }
}