SPSS\Tests\TestCase

Complexity

Total Complexity

8

Size/Duplication

Total Lines	76
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	checkHeader()	0	10	2
A	generateVariable()	0	36	4
A	generateRandomString()	0	10	2

<?php

namespace SPSS\Tests;

use SPSS\Sav\Reader;
use SPSS\Sav\Variable;

class TestCase extends \PHPUnit\Framework\TestCase
{
    /**
     * @param array $header
     * @param Reader $reader
     */
    protected function checkHeader(array $header, Reader $reader)
    {
        foreach ($header as $key => $value) {
            $this->assertEquals(
                $value,
                $reader->header->{$key},
                sprintf(
                    'Header line `%s` is invalid: expected `%s` but got `%s`.',
                    $key,
                    $value, $reader->header->{$key}
                )
            );
        }
    }

    /**
     * @param array $opts
     */
    protected function generateVariable($opts = []): Variable
    {
        $opts = array_merge([
            'id' => uniqid(),
            'numeric' => mt_rand(0, 1),
            'casesCount' => 0,
        ], $opts
        );

        $var = [
            'name' => sprintf('VAR%s', $opts['id']),
            'label' => sprintf('Label (%s)', $opts['id']),
            'columns' => mt_rand(0, 100),
            'alignment' => mt_rand(0, 2),
            'measure' => mt_rand(1, 3),
            'width' => 8,
        ];

        if ($opts['numeric']) {
            $var['format'] = Variable::FORMAT_TYPE_F;
            $var['decimals'] = mt_rand(0, 2);
            for ($c = 0; $c < $opts['casesCount']; $c++) {
                $var['data'][$c] = mt_rand(1, 99999) . '.' . mt_rand(1, 99999);
            }
        } else {
            $var['format'] = Variable::FORMAT_TYPE_A;

            // TODO: test > 255
            $var['width'] = mt_rand(2, 2000);
            $var['decimals'] = 0;
            for ($c = 0; $c < $opts['casesCount']; $c++) {
                $var['data'][$c] = trim($this->generateRandomString(mt_rand(0, $var['width'])));
            }
        }

        return new Variable($var['name'], $var);
    }

    /**
     * @param int $length
     * @return string
     */
    protected function generateRandomString($length = 10)
    {
        $characters = '_0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, $charactersLength - 1)];
        }

        return trim($randomString);
    }
}