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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Mime\Tests\Part;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Mime\Encoder\ContentEncoderInterface;
use Symfony\Component\Mime\Exception\InvalidArgumentException;
use Symfony\Component\Mime\Exception\RuntimeException;
use Symfony\Component\Mime\Header\Headers;
use Symfony\Component\Mime\Header\ParameterizedHeader;
use Symfony\Component\Mime\Header\UnstructuredHeader;
use Symfony\Component\Mime\Part\File;
use Symfony\Component\Mime\Part\TextPart;
class TextPartTest extends TestCase
{
public function testConstructor()
{
$p = new TextPart('content');
$this->assertEquals('content', $p->getBody());
$this->assertEquals('content', $p->bodyToString());
$this->assertEquals('content', implode('', iterator_to_array($p->bodyToIterable())));
// bodyToIterable() can be called several times
$this->assertEquals('content', implode('', iterator_to_array($p->bodyToIterable())));
$this->assertEquals('text', $p->getMediaType());
$this->assertEquals('plain', $p->getMediaSubType());
$p = new TextPart('content', null, 'html');
$this->assertEquals('html', $p->getMediaSubType());
}
public function testConstructorWithResource()
{
$f = fopen('php://memory', 'r+', false);
fwrite($f, 'content');
rewind($f);
$p = new TextPart($f);
$this->assertEquals('content', $p->getBody());
$this->assertEquals('content', $p->bodyToString());
$this->assertEquals('content', implode('', iterator_to_array($p->bodyToIterable())));
fclose($f);
}
public function testConstructorWithFile()
{
$p = new TextPart(new File(\dirname(__DIR__).'/Fixtures/content.txt'));
$this->assertSame('content', $p->getBody());
$this->assertSame('content', $p->bodyToString());
$this->assertSame('content', implode('', iterator_to_array($p->bodyToIterable())));
}
#[\PHPUnit\Framework\Attributes\Group('nophpunit11')]
public function testConstructorWithUnknownFile()
{
$p = new TextPart(new File(\dirname(__DIR__).'/Fixtures/unknown.txt'));
// Exception should be thrown only when the body is accessed
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessageMatches('{Failed to open stream}');
$p->getBody();
}
public function testConstructorWithNonStringOrResource()
{
$this->expectException(\TypeError::class);
new TextPart(new \stdClass());
}
public function testHeaders()
{
$p = new TextPart('content');
$this->assertEquals(new Headers(
new ParameterizedHeader('Content-Type', 'text/plain', ['charset' => 'utf-8']),
new UnstructuredHeader('Content-Transfer-Encoding', 'quoted-printable')
), $p->getPreparedHeaders());
$p = new TextPart('content', 'iso-8859-1');
$this->assertEquals(new Headers(
new ParameterizedHeader('Content-Type', 'text/plain', ['charset' => 'iso-8859-1']),
new UnstructuredHeader('Content-Transfer-Encoding', 'quoted-printable')
), $p->getPreparedHeaders());
}
public function testEncoding()
{
$p = new TextPart('content', 'utf-8', 'plain', 'base64');
$this->assertEquals(base64_encode('content'), $p->bodyToString());
$this->assertEquals(base64_encode('content'), implode('', iterator_to_array($p->bodyToIterable())));
$this->assertEquals(new Headers(
new ParameterizedHeader('Content-Type', 'text/plain', ['charset' => 'utf-8']),
new UnstructuredHeader('Content-Transfer-Encoding', 'base64')
), $p->getPreparedHeaders());
}
public function testCustomEncoderNeedsToRegisterFirst()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('The encoding must be one of "quoted-printable", "base64", "8bit", "upper_encoder" ("this_encoding_does_not_exist" given).');
$upperEncoder = $this->createMock(ContentEncoderInterface::class);
$upperEncoder->method('getName')->willReturn('upper_encoder');
TextPart::addEncoder($upperEncoder);
new TextPart('content', 'utf-8', 'plain', 'this_encoding_does_not_exist');
}
public function testOverwriteDefaultEncoder()
{
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('You are not allowed to change the default encoders ("quoted-printable", "base64", and "8bit").');
$base64Encoder = $this->createMock(ContentEncoderInterface::class);
$base64Encoder->method('getName')->willReturn('base64');
TextPart::addEncoder($base64Encoder);
}
public function testCustomEncoding()
{
TextPart::addEncoder(new class implements ContentEncoderInterface {
public function encodeByteStream($stream, int $maxLineLength = 0): iterable
{
$filter = stream_filter_append($stream, 'string.toupper', \STREAM_FILTER_READ);
if (!\is_resource($filter)) {
throw new RuntimeException('Unable to set the upper content encoder to the filter.');
}
while (!feof($stream)) {
yield fread($stream, 16372);
}
stream_filter_remove($filter);
}
public function getName(): string
{
return 'upper_encoder';
}
public function encodeString(string $string, ?string $charset = 'utf-8', int $firstLineOffset = 0, int $maxLineLength = 0): string
{
return strtoupper($string);
}
});
$p = new TextPart('content', 'utf-8', 'plain', 'upper_encoder');
$this->assertEquals('CONTENT', $p->bodyToString());
$this->assertEquals('CONTENT', implode('', iterator_to_array($p->bodyToIterable())));
$this->assertEquals(new Headers(
new ParameterizedHeader('Content-Type', 'text/plain', ['charset' => 'utf-8']),
new UnstructuredHeader('Content-Transfer-Encoding', 'upper_encoder')
), $p->getPreparedHeaders());
}
public function testSerialize()
{
$r = fopen('php://memory', 'r+', false);
fwrite($r, 'Text content');
rewind($r);
$p = new TextPart($r);
$p->getHeaders()->addTextHeader('foo', 'bar');
$expected = clone $p;
$n = unserialize(serialize($p));
$this->assertEquals($expected->toString(), $p->toString());
$this->assertEquals($expected->toString(), $n->toString());
}
}
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