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<?php |
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declare(strict_types=1); |
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namespace Spiral\Tests\Http\Stream; |
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use Generator; |
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use PHPUnit\Framework\TestCase; |
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use RuntimeException; |
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use Spiral\Http\Stream\GeneratorStream; |
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final class GeneratorStreamTest extends TestCase |
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{ |
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protected const DEFAULT_SEQUENCE = [0, 'foo', 1, 'bar', 42, 'baz', '', "\n", 'end']; |
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protected const DEFAULT_CONTENT_RESULT = "0foo1bar42baz\nend"; |
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public function testGetSize(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertNull($stream->getSize()); |
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} |
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public function testIsSeekable(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertFalse($stream->isSeekable()); |
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} |
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public function testSeek(): void |
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{ |
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$stream = $this->createStream(); |
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$this->expectException(RuntimeException::class); |
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$stream->seek(5); |
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} |
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public function testRewindOnInit(): void |
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{ |
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$stream = $this->createStream(); |
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$stream->rewind(); |
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$this->assertSame(0, $stream->tell()); |
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} |
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public function testRewindAfterRead(): void |
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{ |
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if (PHP_VERSION_ID < 80000) { |
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$this->markTestSkipped('See issue https://bugs.php.net/bug.php?id=79927.'); |
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} |
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$stream = $this->createStream(); |
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$stream->read(1); |
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$stream->read(1); |
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$this->expectException(\Exception::class); |
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$stream->rewind(); |
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} |
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public function testIsWritable(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertFalse($stream->isWritable()); |
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} |
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public function testWrite(): void |
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{ |
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$stream = $this->createStream(); |
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$this->expectException(RuntimeException::class); |
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$stream->write('test'); |
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} |
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public function testRead(): void |
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{ |
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$stream = $this->createStream(); |
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$result1 = $stream->read(4); |
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$result2 = $stream->read(4); |
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$this->assertSame('0', $result1); |
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$this->assertSame('foo', $result2); |
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} |
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public function testReadWithReturnOnly(): void |
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{ |
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$rValue = 'return-value'; |
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$stream = $this->createStream([], $rValue); |
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$result = $stream->read(12); |
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$this->assertSame($rValue, $result); |
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} |
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public function testToStringWithReturn(): void |
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{ |
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$rValue = 'return-value'; |
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$stream = $this->createStream(self::DEFAULT_SEQUENCE, $rValue); |
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$result = (string) $stream; |
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$this->assertSame(self::DEFAULT_CONTENT_RESULT . $rValue, $result); |
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} |
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public function testToStringWithReturnOnly(): void |
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{ |
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$rValue = 'return-value'; |
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$stream = $this->createStream([], $rValue); |
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$result = (string) $stream; |
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$this->assertSame($rValue, $result); |
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} |
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public function testUnableReadStream(): void |
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{ |
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$stream = $this->createStream(); |
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$stream->close(); |
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$this->assertSame('', (string) $stream); |
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$this->expectException(RuntimeException::class); |
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$this->expectErrorMessage('Unable to read stream contents.'); |
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$stream->getContents(); |
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} |
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public function testClose(): void |
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{ |
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$stream = $this->createStream(); |
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$stream->close(); |
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$this->expectException(RuntimeException::class); |
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$this->expectErrorMessage('Cannot read from non-readable stream.'); |
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$stream->read(1); |
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$this->assertFalse($stream->isReadable()); |
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$this->assertNull($stream->getSize()); |
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$this->assertSame(0, $stream->tell()); |
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} |
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public function testEof(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertFalse($stream->eof()); |
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$stream->close(); |
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$this->assertTrue($stream->eof()); |
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} |
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public function testIsReadable(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertTrue($stream->isReadable()); |
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$stream->close(); |
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$this->assertFalse($stream->isReadable()); |
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} |
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public function testGetMetadata(): void |
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{ |
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$stream = $this->createStream(); |
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$this->assertSame(['seekable' => false, 'eof' => false], $stream->getMetadata()); |
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} |
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private function createStream(iterable $sequence = self::DEFAULT_SEQUENCE, $return = null): GeneratorStream |
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{ |
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$function = static function (iterable $iterable, $return): Generator { |
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yield from $iterable; |
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return $return; |
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}; |
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return new GeneratorStream($function($sequence, $return)); |
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} |
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} |
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spiral /
framework
