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<?php
namespace Egulias\EmailValidator\Tests\EmailValidator\Validation;
use Egulias\EmailValidator\EmailLexer;
use Egulias\EmailValidator\Result\InvalidEmail;
use Egulias\EmailValidator\Result\Reason\DomainAcceptsNoMail;
use Egulias\EmailValidator\Result\Reason\LocalOrReservedDomain;
use Egulias\EmailValidator\Result\Reason\NoDNSRecord;
use Egulias\EmailValidator\Result\Reason\UnableToGetDNSRecord;
use Egulias\EmailValidator\Validation\DNSCheckValidation;
use Egulias\EmailValidator\Validation\DNSGetRecordWrapper;
use Egulias\EmailValidator\Validation\DNSRecords;
use Egulias\EmailValidator\Warning\NoDNSMXRecord;
use PHPUnit\Framework\Attributes\Group;
use PHPUnit\Framework\TestCase;
class DNSCheckValidationTest extends TestCase
{
public static function validEmailsProvider()
{
return [
// dot-atom
['Abc@ietf.org'],
['Abc@fake.ietf.org'],
['ABC@ietf.org'],
['Abc.123@ietf.org'],
['user+mailbox/department=shipping@ietf.org'],
['!#$%&\'*+-/=?^_`.{|}~@ietf.org'],
// quoted string
['"Abc@def"@ietf.org'],
['"Fred\ Bloggs"@ietf.org'],
['"Joe.\\Blow"@ietf.org'],
// unicode
['info@ñandu.cl'],
['ñandu@ñandu.cl'],
];
}
public static function localOrReservedEmailsProvider()
{
return [
// Reserved Top Level DNS Names
['test'],
['example'],
['invalid'],
['localhost'],
// mDNS
['local'],
// Private DNS Namespaces
['intranet'],
['internal'],
['private'],
['corp'],
['home'],
['lan'],
];
}
/**
* @dataProvider validEmailsProvider
*/
#[Group('network')]
public function testValidDNS($validEmail)
{
$validation = new DNSCheckValidation();
$this->assertTrue($validation->isValid($validEmail, new EmailLexer()));
}
#[Group('network')]
public function testInvalidDNS()
{
$validation = new DNSCheckValidation();
$this->assertFalse($validation->isValid("example@invalid.example.com", new EmailLexer()));
}
/**
* @dataProvider localOrReservedEmailsProvider
*/
public function testLocalOrReservedDomainError($localOrReservedEmails)
{
$validation = new DNSCheckValidation();
$expectedError = new InvalidEmail(new LocalOrReservedDomain(), $localOrReservedEmails);
$validation->isValid($localOrReservedEmails, new EmailLexer());
$this->assertEquals($expectedError, $validation->getError());
}
#[Group('network')]
public function testDomainAcceptsNoMailError()
{
$validation = new DNSCheckValidation();
$expectedError = new InvalidEmail(new DomainAcceptsNoMail(), "");
$isValidResult = $validation->isValid("nullmx@example.com", new EmailLexer());
$this->assertEquals($expectedError, $validation->getError());
$this->assertFalse($isValidResult);
}
public function testDNSWarnings()
{
$this->markTestSkipped('Need to found a domain with AAAA records and no MX that fails later in the validations');
$validation = new DNSCheckValidation();
$expectedWarnings = [NoDNSMXRecord::CODE => new NoDNSMXRecord()];
$validation->isValid("example@invalid.example.com", new EmailLexer());
$this->assertEquals($expectedWarnings, $validation->getWarnings());
}
#[Group('network')]
public function testNoDNSError()
{
$validation = new DNSCheckValidation();
$expectedError = new InvalidEmail(new NoDNSRecord(), '');
$validation->isValid("example@invalid.example.com", new EmailLexer());
$this->assertEquals($expectedError, $validation->getError());
}
/**
* @group flaky
*/
public function testUnableToGetDNSRecord()
{
error_reporting(\E_ALL);
// UnableToGetDNSRecord raises on network errors (e.g. timeout) that we can‘t emulate in tests (for sure),
// but we can simulate with the wrapper helper
$wrapper = new class extends DNSGetRecordWrapper {
public function getRecords(string $host, int $type) : DNSRecords
{
return new DNSRecords([], true);
}
};
$validation = new DNSCheckValidation($wrapper);
$expectedError = new InvalidEmail(new UnableToGetDNSRecord(), '');
$validation->isValid('example@invalid.example.com', new EmailLexer());
$this->assertEquals($expectedError, $validation->getError());
}
public function testMissingTypeKey()
{
$wrapper = new class extends DNSGetRecordWrapper {
public function getRecords(string $host, int $type): DNSRecords
{
return new DNSRecords(['host' => 'test']);
}
};
$validation = new DNSCheckValidation($wrapper);
$expectedError = new InvalidEmail(new NoDNSRecord(), '');
$validation->isValid('example@invalid.example.com', new EmailLexer());
$this->assertEquals($expectedError, $validation->getError());
}
}
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