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<?php |
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namespace GuzzleHttp\Tests\Psr7; |
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|
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use GuzzleHttp\Psr7; |
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use GuzzleHttp\Psr7\FnStream; |
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|
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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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|
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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, $len); |
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return 'foo'; |
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} |
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]); |
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|
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$this->assertEquals('foo', $s->read(3)); |
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} |
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|
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public function testCanCloseOnDestruct() |
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{ |
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$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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|
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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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$this->assertTrue(true); // strict mode requires an assertion |
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} |
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|
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public function testDecoratesStream() |
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{ |
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$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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|
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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($called); |
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} |
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|
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public function testDoNotAllowUnserialization() |
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{ |
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$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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|
