laipower/wp-content/plugins/w3-total-cache/vendor/guzzlehttp/psr7/tests/PumpStreamTest.php

79 lines
2.1 KiB
PHP

<?php
namespace GuzzleHttp\Tests\Psr7;
use GuzzleHttp\Psr7;
use GuzzleHttp\Psr7\LimitStream;
use GuzzleHttp\Psr7\PumpStream;
class PumpStreamTest extends BaseTest
{
public function testHasMetadataAndSize()
{
$p = new PumpStream(function () {
}, [
'metadata' => ['foo' => 'bar'],
'size' => 100
]);
self::assertSame('bar', $p->getMetadata('foo'));
self::assertSame(['foo' => 'bar'], $p->getMetadata());
self::assertSame(100, $p->getSize());
}
public function testCanReadFromCallable()
{
$p = Psr7\Utils::streamFor(function ($size) {
return 'a';
});
self::assertSame('a', $p->read(1));
self::assertSame(1, $p->tell());
self::assertSame('aaaaa', $p->read(5));
self::assertSame(6, $p->tell());
}
public function testStoresExcessDataInBuffer()
{
$called = [];
$p = Psr7\Utils::streamFor(function ($size) use (&$called) {
$called[] = $size;
return 'abcdef';
});
self::assertSame('a', $p->read(1));
self::assertSame('b', $p->read(1));
self::assertSame('cdef', $p->read(4));
self::assertSame('abcdefabc', $p->read(9));
self::assertSame([1, 9, 3], $called);
}
public function testInifiniteStreamWrappedInLimitStream()
{
$p = Psr7\Utils::streamFor(function () {
return 'a';
});
$s = new LimitStream($p, 5);
self::assertSame('aaaaa', (string) $s);
}
public function testDescribesCapabilities()
{
$p = Psr7\Utils::streamFor(function () {
});
self::assertTrue($p->isReadable());
self::assertFalse($p->isSeekable());
self::assertFalse($p->isWritable());
self::assertNull($p->getSize());
self::assertSame('', $p->getContents());
self::assertSame('', (string) $p);
$p->close();
self::assertSame('', $p->read(10));
self::assertTrue($p->eof());
try {
self::assertFalse($p->write('aa'));
self::fail();
} catch (\RuntimeException $e) {
}
}
}