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99 lines
2.7 KiB
99 lines
2.7 KiB
<?php
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namespace GuzzleHttp\Tests\Psr7;
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use GuzzleHttp\Psr7;
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use GuzzleHttp\Psr7\FnStream;
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/**
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* @covers GuzzleHttp\Psr7\FnStream
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*/
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class FnStreamTest extends BaseTest
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{
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/**
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* @expectedException \BadMethodCallException
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* @expectedExceptionMessage seek() is not implemented in the FnStream
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*/
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public function testThrowsWhenNotImplemented()
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{
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(new FnStream([]))->seek(1);
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}
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public function testProxiesToFunction()
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{
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$s = new FnStream([
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'read' => function ($len) {
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$this->assertEquals(3, $len);
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return 'foo';
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}
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]);
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$this->assertEquals('foo', $s->read(3));
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}
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public function testCanCloseOnDestruct()
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{
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$called = false;
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$s = new FnStream([
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'close' => function () use (&$called) {
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$called = true;
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}
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]);
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unset($s);
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$this->assertTrue($called);
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}
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public function testDoesNotRequireClose()
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{
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$s = new FnStream([]);
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unset($s);
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$this->assertTrue(true); // strict mode requires an assertion
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}
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public function testDecoratesStream()
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{
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$a = Psr7\stream_for('foo');
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$b = FnStream::decorate($a, []);
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$this->assertEquals(3, $b->getSize());
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$this->assertEquals($b->isWritable(), true);
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$this->assertEquals($b->isReadable(), true);
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$this->assertEquals($b->isSeekable(), true);
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$this->assertEquals($b->read(3), 'foo');
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$this->assertEquals($b->tell(), 3);
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$this->assertEquals($a->tell(), 3);
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$this->assertSame('', $a->read(1));
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$this->assertEquals($b->eof(), true);
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$this->assertEquals($a->eof(), true);
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$b->seek(0);
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$this->assertEquals('foo', (string) $b);
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$b->seek(0);
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$this->assertEquals('foo', $b->getContents());
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$this->assertEquals($a->getMetadata(), $b->getMetadata());
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$b->seek(0, SEEK_END);
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$b->write('bar');
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$this->assertEquals('foobar', (string) $b);
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$this->assertInternalType('resource', $b->detach());
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$b->close();
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}
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public function testDecoratesWithCustomizations()
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{
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$called = false;
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$a = Psr7\stream_for('foo');
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$b = FnStream::decorate($a, [
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'read' => function ($len) use (&$called, $a) {
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$called = true;
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return $a->read($len);
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}
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]);
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$this->assertEquals('foo', $b->read(3));
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$this->assertTrue($called);
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}
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public function testDoNotAllowUnserialization()
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{
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$a = new FnStream([]);
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$b = serialize($a);
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$this->expectException('\LogicException', 'FnStream should never be unserialized');
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unserialize($b);
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}
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}
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