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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Badcow DNS Library. |
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* |
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* (c) Samuel Williams <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Badcow\DNS\Tests; |
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use Badcow\DNS\Classes; |
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use Badcow\DNS\Rdata\A; |
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use Badcow\DNS\Rdata\Factory; |
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use Badcow\DNS\ResourceRecord; |
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use Badcow\DNS\UnsetValueException; |
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use Exception; |
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use InvalidArgumentException; |
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use PHPUnit\Framework\TestCase; |
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class ResourceRecordTest extends TestCase |
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{ |
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public function testSetClass(): void |
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{ |
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$rr = new ResourceRecord(); |
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$rr->setClass(Classes::INTERNET); |
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$this->assertEquals(Classes::INTERNET, $rr->getClass()); |
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$this->expectException(InvalidArgumentException::class); |
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$rr->setClass('XX'); |
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} |
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/** |
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* Tests the getter and setter methods. |
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*/ |
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public function testSettersAndGetters(): void |
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{ |
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$rr = new ResourceRecord(); |
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$name = 'test'; |
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$ttl = 3500; |
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$comment = 'Hello'; |
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$a = Factory::A('192.168.7.7'); |
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$rr->setName($name); |
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$rr->setClass(Classes::INTERNET); |
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$rr->setRdata($a); |
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$rr->setTtl($ttl); |
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$rr->setComment($comment); |
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$this->assertEquals($a, $rr->getRdata()); |
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$this->assertEquals($name, $rr->getName()); |
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$this->assertEquals($ttl, $rr->getTtl()); |
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$this->assertEquals($comment, $rr->getComment()); |
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$this->assertEquals($a->getType(), $rr->getType()); |
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} |
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public function testUnsetTtl(): void |
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{ |
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$rr = new ResourceRecord(); |
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$rr->setName('example.com.'); |
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$ttl = 10800; |
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$this->assertNull($rr->getTtl()); |
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$rr->setTtl($ttl); |
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$this->assertEquals($ttl, $rr->getTtl()); |
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$rr->setTtl(null); |
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$this->assertNull($rr->getTtl()); |
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} |
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/** |
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* @throws Exception |
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*/ |
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public function testToWire(): void |
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{ |
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$expectation = pack('C*', |
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0x03, 0x61, 0x62, 0x63, 0x07, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, //(3)abc(7)example(3)com(NULL) |
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0x00, 0x01, //A (1) |
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0x00, 0x01, //IN (1) |
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0x00, 0x00, 0x0E, 0x10, //3600 |
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0x00, 0x04, //4 (RDLENGTH) |
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0xC0, 0xA8, 0x01, 0x01 //192.168.1.1 |
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); |
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$a = Factory::A('192.168.1.1'); |
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$rr = new ResourceRecord(); |
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$rr->setName('abc.example.com.'); |
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$rr->setClass(Classes::INTERNET); |
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$rr->setRdata($a); |
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$rr->setTtl(3600); |
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$this->assertEquals($expectation, $rr->toWire()); |
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} |
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public function dataProviderForTestToWireThrowsExceptionsIfValuesAreNotSet(): array |
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{ |
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$rr_noName = new ResourceRecord(); |
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$rr_noName->setClass(null); |
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$rr_noRdata = clone $rr_noName; |
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$rr_noRdata->setName('@'); |
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$rr_noClass = clone $rr_noRdata; |
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$rr_noClass->setRdata(new A()); |
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$rr_noTtl = clone $rr_noClass; |
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$rr_noTtl->setClass('CLASS42'); |
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$rr_unqualifiedName = clone $rr_noTtl; |
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$rr_unqualifiedName->setTtl(4242); |
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return [ |
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[$rr_noName, UnsetValueException::class, 'ResourceRecord name has not been set.'], |
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[$rr_noRdata, UnsetValueException::class, 'ResourceRecord rdata has not been set.'], |
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[$rr_noClass, UnsetValueException::class, 'ResourceRecord class has not been set.'], |
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[$rr_noTtl, UnsetValueException::class, 'ResourceRecord TTL has not been set.'], |
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[$rr_unqualifiedName, \InvalidArgumentException::class, '"@" is not a fully qualified domain name.'], |
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]; |
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} |
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/** |
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* @dataProvider dataProviderForTestToWireThrowsExceptionsIfValuesAreNotSet |
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* |
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* @throws UnsetValueException |
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*/ |
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public function testToWireThrowsExceptionsIfValuesAreNotSet(ResourceRecord $rr, string $exception, string $exceptionMessage): void |
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{ |
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$this->expectException($exception); |
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$this->expectExceptionMessage($exceptionMessage); |
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$rr->toWire(); |
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} |
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/** |
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* @throws Exception |
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*/ |
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public function testFromWire(): void |
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{ |
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$encoded = pack('C*', |
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, //8-bytes to test the offset |
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0x03, 0x61, 0x62, 0x63, 0x07, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, 0x03, 0x63, 0x6F, 0x6D, 0x00, //(3)abc(7)example(3)com(NULL) |
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0x00, 0x01, //A (1) |
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0x00, 0x01, //IN (1) |
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0x00, 0x00, 0x0E, 0x10, //3600 |
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0x00, 0x04, //4 (RDLENGTH) |
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0xC0, 0xA8, 0x01, 0x01 //192.168.1.1 |
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); |
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$offset = 8; |
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$a = Factory::A('192.168.1.1'); |
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$expectation = new ResourceRecord(); |
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$expectation->setName('abc.example.com.'); |
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$expectation->setClass(Classes::INTERNET); |
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$expectation->setRdata($a); |
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$expectation->setTtl(3600); |
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$this->assertEquals($expectation, ResourceRecord::fromWire($encoded, $offset)); |
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$this->assertEquals(39, $offset); |
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} |
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} |
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Badcow /
DNS
