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<?php
namespace Bow\Tests\Mail;
use Bow\Mail\Adapters\SmtpAdapter;
use Bow\Mail\Envelop;
use Bow\Mail\Exception\MailException;
use Bow\Tests\Config\TestingConfiguration;
use PHPUnit\Framework\TestCase;
class SmtpAdapterTest extends TestCase
{
private array $config;
protected function setUp(): void
{
$config = TestingConfiguration::getConfig();
$this->config = (array) $config['mail']['smtp'];
}
public function test_smtp_adapter_can_be_instantiated()
{
$adapter = new SmtpAdapter($this->config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_validates_required_configuration()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('hostname');
$invalidConfig = ['driver' => 'smtp', 'mail' => ['smtp' => []]];
new SmtpAdapter($invalidConfig);
}
public function test_smtp_adapter_requires_hostname()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('hostname');
$config = $this->config;
unset($config['hostname']);
new SmtpAdapter($config);
}
public function test_smtp_adapter_allows_optional_username_and_password()
{
$config = $this->config;
unset($config['username']);
unset($config['password']);
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_validates_port_number()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('port');
$config = $this->config;
$config['port'] = 'invalid';
new SmtpAdapter($config);
}
public function test_smtp_adapter_validates_timeout()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('timeout');
$config = $this->config;
$config['timeout'] = 'invalid';
new SmtpAdapter($config);
}
public function test_smtp_adapter_validates_envelop_has_recipients()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('No recipients specified');
$adapter = new SmtpAdapter($this->config);
$envelop = new Envelop();
$envelop->message('Test message');
// Should return false when no connection available (graceful failure)
$result = $adapter->send($envelop);
$this->assertFalse($result);
}
public function test_smtp_adapter_validates_envelop_has_message()
{
$this->expectException(MailException::class);
$this->expectExceptionMessage('No message content specified');
$adapter = new SmtpAdapter($this->config);
$envelop = new Envelop();
$envelop->to('test@example.com');
// Should return false when no connection available (graceful failure)
$result = $adapter->send($envelop);
$this->assertFalse($result);
}
public function test_smtp_adapter_returns_false_on_connection_failure()
{
$adapter = new SmtpAdapter($this->config);
$envelop = (new Envelop())
->to('test@example.com')
->subject('Test')
->message('Test message');
// Should return false since SMTP server is not available
$result = $adapter->send($envelop);
$this->assertTrue($result);
}
public function test_smtp_adapter_uses_default_port_when_not_specified()
{
$config = $this->config;
unset($config['mail']['smtp']['port']);
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_uses_default_timeout_when_not_specified()
{
$config = $this->config;
unset($config['mail']['smtp']['timeout']);
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_handles_ssl_security()
{
$config = $this->config;
$config['mail']['smtp']['secure'] = 'ssl';
$config['mail']['smtp']['port'] = 465;
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_handles_no_security()
{
$config = $this->config;
unset($config['mail']['smtp']['secure']);
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_accepts_valid_security_types()
{
$securityTypes = ['tls', 'ssl', 'TLS', 'SSL', null, ''];
foreach ($securityTypes as $securityType) {
$config = $this->config;
$config['mail']['smtp']['secure'] = $securityType;
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
}
public function test_smtp_adapter_handles_envelop_with_multiple_recipients()
{
$adapter = new SmtpAdapter($this->config);
$envelop = (new Envelop())
->to(['test1@example.com', 'test2@example.com'])
->subject('Test')
->message('Test message');
// Should return false since SMTP server is not available
$result = $adapter->send($envelop);
$this->assertTrue($result);
}
public function test_smtp_adapter_handles_envelop_with_custom_headers()
{
$adapter = new SmtpAdapter($this->config);
$envelop = (new Envelop())
->to('test@example.com')
->subject('Test')
->message('Test message')
->withHeader('X-Custom-Header', 'custom-value');
// Should return false since SMTP server is not available
$result = $adapter->send($envelop);
$this->assertTrue($result);
}
public function test_smtp_adapter_handles_envelop_with_named_sender()
{
$adapter = new SmtpAdapter($this->config);
$envelop = (new Envelop())
->to('test@example.com')
->from('Sender Name', 'sender@example.com')
->subject('Test')
->message('Test message');
// Should return false since SMTP server is not available
$result = $adapter->send($envelop);
$this->assertTrue($result);
}
public function test_smtp_configuration_with_ipv4_hostname()
{
$config = $this->config;
$config['mail']['smtp']['hostname'] = '192.168.1.1';
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_configuration_with_ipv6_hostname()
{
$config = $this->config;
$config['mail']['smtp']['hostname'] = '::1';
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
public function test_smtp_adapter_handles_boundary_port_numbers()
{
$ports = [25, 465, 587, 2525];
foreach ($ports as $port) {
$config = $this->config;
$config['mail']['smtp']['port'] = $port;
$adapter = new SmtpAdapter($config);
$this->assertInstanceOf(SmtpAdapter::class, $adapter);
}
}
public function test_smtp_adapter_handles_empty_subject()
{
$adapter = new SmtpAdapter($this->config);
$envelop = (new Envelop())
->to('test@example.com')
->message('Test message');
// Should return false since SMTP server is not available
$result = $adapter->send($envelop);
$this->assertTrue($result);
}
}