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<?php
declare(strict_types=1);
namespace AsyncAws\Core\Tests\Unit\Stream;
use AsyncAws\Core\Stream\CallableStream;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
class CallableStreamTest extends TestCase
{
/**
* @dataProvider provideLengths
*/
#[DataProvider('provideLengths')]
public function testLength(callable $content, ?int $expected): void
{
$stream = CallableStream::create($content);
self::assertSame($expected, $stream->length());
}
/**
* @dataProvider provideStrings
*/
#[DataProvider('provideStrings')]
public function testStringify(callable $content, string $expected): void
{
$stream = CallableStream::create($content);
self::assertSame($expected, $stream->stringify());
}
/**
* @dataProvider provideChunks
*/
#[DataProvider('provideChunks')]
public function testChunk(callable $content, array $expected): void
{
$stream = CallableStream::create($content);
self::assertSame($expected, iterator_to_array($stream));
}
public static function provideLengths(): iterable
{
yield [function () {
return 'Hello world';
}, null];
}
public static function provideStrings(): iterable
{
$f = static function (string ...$items) {
return static function () use (&$items) {
return array_shift($items) ?? '';
};
};
yield [$f('Hello world'), 'Hello world'];
yield [$f('Hello', ' ', 'world'), 'Hello world'];
yield [$f('Hello', ' ', '', 'world'), 'Hello '];
}
public static function provideChunks(): iterable
{
$f = static function (string ...$items) {
return static function () use (&$items) {
return array_shift($items) ?? '';
};
};
yield [$f('Hello world'), ['Hello world']];
yield [$f('Hello', ' ', 'world'), ['Hello', ' ', 'world']];
yield [$f('Hello', ' ', '', 'world'), ['Hello', ' ']];
}
}
|
