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<?php
namespace Faker\Test\Extension;
use Faker\Extension\Helper;
use PHPUnit\Framework\TestCase;
final class HelperTest extends TestCase
{
public function testRandomElementReturnsNullWhenArrayEmpty()
{
self::assertNull(Helper::randomElement([]));
}
public function testRandomElementReturnsElementFromArray()
{
$elements = ['23', 'e', 32, '#'];
self::assertContains(Helper::randomElement($elements), $elements);
}
public function testRandomElementReturnsElementFromAssociativeArray()
{
$elements = ['tata' => '23', 'toto' => 'e', 'tutu' => 32, 'titi' => '#'];
self::assertContains(Helper::randomElement($elements), $elements);
}
public function testNumerifyReturnsSameStringWhenItContainsNoHashSign()
{
self::assertEquals('fooBar?', Helper::numerify('fooBar?'));
}
public function testNumerifyReturnsStringWithHashSignsReplacedByDigits()
{
self::assertMatchesRegularExpression('/foo\dBa\dr/', Helper::numerify('foo#Ba#r'));
}
public function testNumerifyReturnsStringWithPercentageSignsReplacedByDigits()
{
self::assertMatchesRegularExpression('/foo\dBa\dr/', Helper::numerify('foo%Ba%r'));
}
public function testNumerifyReturnsStringWithPercentageSignsReplacedByNotNullDigits()
{
self::assertNotEquals('0', Helper::numerify('%'));
}
public function testNumerifyCanGenerateALargeNumberOfDigits()
{
$largePattern = str_repeat('#', 20); // definitely larger than PHP_INT_MAX on all systems
self::assertEquals(20, strlen(Helper::numerify($largePattern)));
}
public function testNumerifyReturnsLargeNumber()
{
$result = Helper::numerify(str_repeat('#', 10));
self::assertGreaterThan(100, (int) $result);
}
public function testLexifyReturnsSameStringWhenItContainsNoQuestionMark()
{
self::assertEquals('fooBar#', Helper::lexify('fooBar#'));
}
public function testLexifyReturnsStringWithQuestionMarksReplacedByLetters()
{
self::assertMatchesRegularExpression('/foo[a-z]Ba[a-z]r/', Helper::lexify('foo?Ba?r'));
}
public function testBothifyCombinesNumerifyAndLexify()
{
self::assertMatchesRegularExpression('/foo[a-z]Ba\dr/', Helper::bothify('foo?Ba#r'));
}
public function testBothifyAsterisk()
{
self::assertMatchesRegularExpression('/foo([a-z]|\d)Ba([a-z]|\d)r/', Helper::bothify('foo*Ba*r'));
}
public function testBothifyUtf()
{
$utf = 'œ∑´®†¥¨ˆøπ“‘和製╯°□°╯︵ ┻━┻🐵 🙈 ﺚﻣ ﻦﻔﺳ ﺲﻘﻄﺗ ﻮﺑﺎﻠﺘﺣﺪﻳﺩ،, ﺝﺰﻳﺮﺘﻳ ﺏﺎﺴﺘﺧﺩﺎﻣ ﺄﻧ ﺪﻧﻭ. ﺇﺫ ﻪﻧﺍ؟ ﺎﻠﺴﺗﺍﺭ ﻮﺘ';
self::assertMatchesRegularExpression('/' . $utf . 'foo\dB[a-z]a([a-z]|\d)r/u', Helper::bothify($utf . 'foo#B?a*r'));
}
}
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