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<?php |
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declare(strict_types=1); |
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namespace DanBettles\Defence\Tests\Filter; |
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use DanBettles\Defence\Envelope; |
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use DanBettles\Defence\Filter\AbstractFilter; |
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use DanBettles\Defence\Filter\InvalidHeaderFilter; |
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use DanBettles\Defence\Tests\AbstractTestCase; |
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use Psr\Log\LogLevel; |
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use Psr\Log\NullLogger; |
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use Symfony\Component\HttpFoundation\Request; |
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use const false; |
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use const true; |
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/** |
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* @phpstan-type FilterArgs array{selector:string,validator:\Closure} |
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*/ |
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class InvalidHeaderFilterTest extends AbstractTestCase |
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{ |
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public function testIsAFilter(): void |
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{ |
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$this->assertSubclassOf(AbstractFilter::class, InvalidHeaderFilter::class); |
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} |
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public function testConstructor(): void |
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{ |
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$selector = 'User-Agent'; |
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$validator = fn () => true; |
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$filter = new InvalidHeaderFilter($selector, $validator); |
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$this->assertSame($selector, $filter->getSelector()); |
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$this->assertSame($validator, $filter->getValidator()); |
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$this->assertSame([ |
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'log_level' => LogLevel::WARNING, |
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], $filter->getOptions()); |
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} |
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public function testConstructorAcceptsOptions(): void |
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{ |
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$filter = new InvalidHeaderFilter('Anything', fn () => true, [ |
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'foo' => 'bar', |
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]); |
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$this->assertSame([ |
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'log_level' => LogLevel::WARNING, |
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'foo' => 'bar', |
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], $filter->getOptions()); |
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} |
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/** @return array<mixed[]> */ |
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public function providesInvalidRequests(): array |
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{ |
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$request = $this |
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->getRequestFactory() |
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->createWithHeaders(['User-Agent' => 'anything']) |
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; |
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$validator = fn (): bool => false; |
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return [ |
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// Title-case selector |
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[ |
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'expectedLogMessage' => 'The value of header `User-Agent`, `anything`, is invalid', |
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$request, |
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['selector' => 'User-Agent', 'validator' => $validator], |
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], |
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// Lowercase selector |
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[ |
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'expectedLogMessage' => 'The value of header `user-agent`, `anything`, is invalid', |
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$request, |
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['selector' => 'user-agent', 'validator' => $validator], |
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], |
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]; |
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} |
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/** |
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* @dataProvider providesInvalidRequests |
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* @phpstan-param FilterArgs $filterArgs |
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*/ |
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public function testInvokeReturnsTrueIfTheValueOfAHeaderIsInvalid( |
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?string $expectedLogMessage, |
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Request $request, |
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array $filterArgs, |
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): void { |
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$envelope = new Envelope($request, new NullLogger()); |
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$mockFilter = $this |
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->getMockBuilder(InvalidHeaderFilter::class) |
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->setConstructorArgs($filterArgs) |
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->onlyMethods(['envelopeAddLogEntry']) |
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->getMock() |
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; |
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$mockFilter |
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->expects($this->once()) |
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->method('envelopeAddLogEntry') |
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->with($envelope, $expectedLogMessage) |
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; |
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$this->assertTrue($mockFilter($envelope)); |
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} |
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/** @return array<mixed[]> */ |
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public function providesValidRequests(): array |
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{ |
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$request = $this |
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->getRequestFactory() |
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->createWithHeaders(['User-Agent' => 'anything']) |
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; |
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$validator = fn (): bool => true; |
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return [ |
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// Title-case selector |
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[ |
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$request, |
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'filterArgs' => ['selector' => 'User-Agent', 'validator' => $validator], |
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], |
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// Lowercase selector |
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[ |
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$request, |
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'filterArgs' => ['selector' => 'user-agent', 'validator' => $validator], |
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], |
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]; |
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} |
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/** |
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* @dataProvider providesValidRequests |
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* @phpstan-param FilterArgs $filterArgs |
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*/ |
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public function testInvokeReturnsFalseIfTheValueOfAHeaderIsValid( |
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Request $request, |
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array $filterArgs, |
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): void { |
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$mockFilter = $this |
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->getMockBuilder(InvalidHeaderFilter::class) |
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->setConstructorArgs($filterArgs) |
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->onlyMethods(['envelopeAddLogEntry']) |
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->getMock() |
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; |
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$mockFilter |
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->expects($this->never()) |
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->method('envelopeAddLogEntry') |
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; |
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$envelope = new Envelope($request, new NullLogger()); |
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$this->assertFalse($mockFilter($envelope)); |
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} |
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} |
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