<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);

namespace Magento\Framework\Stdlib\Test\Unit;

use Magento\Framework\Stdlib\StringUtils;
use PHPUnit\Framework\TestCase;

/**
* Magento\Framework\Stdlib\StringUtilsTest test case
*/
class StringUtilsTest extends TestCase
{
/**
* @var StringUtils
*/
protected $_string;

protected function setUp(): void
{
$this->_string = new StringUtils();
}

/**
* @covers \Magento\Framework\Stdlib\StringUtils::split
*/
public function testStrSplit()
{
$this->assertEquals([], $this->_string->split(''));
$this->assertEquals(['1', '2', '3', '4'], $this->_string->split('1234', 1));
$this->assertEquals(['1', '2', ' ', '3', '4'], $this->_string->split('12 34', 1, false, true));
$this->assertEquals(
['12345', '123', '12345', '6789'],
$this->_string->split('12345 123 123456789', 5, true, true)
);
$this->assertEquals(
['1234', '5', '123', '1234', '5678', '9'],
$this->_string->split('12345 123 123456789', 4, true, true)
);
}

/**
* @covers \Magento\Framework\Stdlib\StringUtils::splitInjection
*/
public function testSplitInjection()
{
$string = '1234567890';
$this->assertEquals('1234 5678 90', $this->_string->splitInjection($string, 4));
}

/**
* @covers \Magento\Framework\Stdlib\StringUtils::cleanString
*/
public function testCleanString()
{
$string = '12345';
$this->assertEquals($string, $this->_string->cleanString($string));
}

public function testSubstr()
{
$this->assertSame('tring', $this->_string->substr('string', 1));
}

public function testStrrev()
{
$this->assertSame('0987654321', $this->_string->strrev('1234567890'));
$this->assertSame('', $this->_string->strrev(''));
}

/**
* @covers \Magento\Framework\Stdlib\StringUtils::strpos
*/
public function testStrpos()
{
$this->assertEquals(1, $this->_string->strpos('123', 2));
}

/**
* @param string $testString
* @param string $expected
*
* @dataProvider upperCaseWordsDataProvider
*/
public function testUpperCaseWords($testString, $expected)
{
$actual = $this->_string->upperCaseWords($testString);
$this->assertEquals($expected, $actual);
}

/**
* @return array
*/
public function upperCaseWordsDataProvider()
{
return [
['test test2', 'Test_Test2'],
['test_test2', 'Test_Test2'],
['test_test2 test3', 'Test_Test2_Test3']
];
}

/**
* @param string $testString
* @param string $sourceSeparator
* @param string $destinationSeparator
* @param string $expected
*
* @dataProvider upperCaseWordsWithSeparatorsDataProvider
*/
public function testUpperCaseWordsWithSeparators($testString, $sourceSeparator, $destinationSeparator, $expected)
{
$actual = $this->_string->upperCaseWords($testString, $sourceSeparator, $destinationSeparator);
$this->assertEquals($expected, $actual);
}

/**
* @return array
*/
public function upperCaseWordsWithSeparatorsDataProvider()
{
return [['test test2_test3\test4|test5', '|', '\\', 'Test\Test2_test3\test4\Test5']];
}
}