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CallbackStreamTest.php
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/
CallbackStreamTest.php
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<?php
declare(strict_types=1);
namespace LaminasTest\Diactoros;
use Laminas\Diactoros\CallbackStream;
use PHPUnit\Framework\TestCase;
use RuntimeException;
/**
* @covers \Laminas\Diactoros\CallbackStream
*/
final class CallbackStreamTest extends TestCase
{
public function testToString(): void
{
$stream = new CallbackStream(function () {
return 'foobarbaz';
});
$ret = $stream->__toString();
$this->assertSame('foobarbaz', $ret);
}
public function testClose(): void
{
$stream = new CallbackStream(function () {
});
$stream->close();
$callback = $stream->detach();
$this->assertNull($callback);
}
public function testDetach(): void
{
$callback = function () {
};
$stream = new CallbackStream($callback);
$ret = $stream->detach();
$this->assertSame($callback, $ret);
}
public function testEof(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->eof();
$this->assertFalse($ret);
$stream->getContents();
$ret = $stream->eof();
$this->assertTrue($ret);
}
public function testGetSize(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->getSize();
$this->assertNull($ret);
}
public function testTell(): void
{
$stream = new CallbackStream(function () {
});
$this->expectException(RuntimeException::class);
$stream->tell();
}
public function testIsSeekable(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->isSeekable();
$this->assertFalse($ret);
}
public function testIsWritable(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->isWritable();
$this->assertFalse($ret);
}
public function testIsReadable(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->isReadable();
$this->assertFalse($ret);
}
public function testSeek(): void
{
$stream = new CallbackStream(function () {
});
$this->expectException(RuntimeException::class);
$stream->seek(0);
}
public function testRewind(): void
{
$stream = new CallbackStream(function () {
});
$this->expectException(RuntimeException::class);
$stream->rewind();
}
public function testWrite(): void
{
$stream = new CallbackStream(function () {
});
$this->expectException(RuntimeException::class);
$stream->write('foobarbaz');
}
public function testRead(): void
{
$stream = new CallbackStream(function () {
});
$this->expectException(RuntimeException::class);
$stream->read(3);
}
public function testGetContents(): void
{
$stream = new CallbackStream(function () {
return 'foobarbaz';
});
$ret = $stream->getContents();
$this->assertSame('foobarbaz', $ret);
}
public function testGetMetadata(): void
{
$stream = new CallbackStream(function () {
});
$ret = $stream->getMetadata('stream_type');
$this->assertSame('callback', $ret);
$ret = $stream->getMetadata('seekable');
$this->assertFalse($ret);
$ret = $stream->getMetadata('eof');
$this->assertFalse($ret);
$all = $stream->getMetadata();
$this->assertSame([
'eof' => false,
'stream_type' => 'callback',
'seekable' => false,
], $all);
$notExists = $stream->getMetadata('boo');
$this->assertNull($notExists);
}
/** @return non-empty-array<non-empty-string, array{callable(): string, non-empty-string}> */
public function phpCallbacksForStreams(): array
{
$class = TestAsset\CallbacksForCallbackStreamTest::class;
// phpcs:disable Generic.Files.LineLength.TooLong
// @codingStandardsIgnoreStart
return [
'instance-method' => [[new TestAsset\CallbacksForCallbackStreamTest(), 'sampleCallback'], $class . '::sampleCallback'],
'static-method' => [[$class, 'sampleStaticCallback'], $class . '::sampleStaticCallback'],
];
// @codingStandardsIgnoreEnd
// phpcs:enable Generic.Files.LineLength.TooLong
}
/**
* @dataProvider phpCallbacksForStreams
* @param callable(): string $callback
* @param non-empty-string $expected
*/
public function testAllowsArbitraryPhpCallbacks(callable $callback, string $expected): void
{
$stream = new CallbackStream($callback);
$contents = $stream->getContents();
$this->assertSame($expected, $contents);
}
}