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<?php
namespace Unit\Connectors;
use InvalidArgumentException;
use lucatume\WPBrowser\TestCase\WPTestCase;
use SolidWP\Mail\Connectors\ConnectionPool;
use SolidWP\Mail\Connectors\ConnectorSMTP;
class ConnectionPoolTest extends WPTestCase {
public function testOffsetSetWithValidConnector(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'valid-connection' );
$pool[] = $connection;
self::assertCount( 1, $pool );
self::assertSame( $connection, $pool->offsetGet( 0 ) );
}
public function testOffsetSetWithNullKey(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'auto-key-connection' );
$pool->offsetSet( null, $connection );
self::assertCount( 1, $pool );
self::assertSame( $connection, $pool->offsetGet( 0 ) );
}
public function testOverriding(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'explicit-key-connection' );
$this->expectException( InvalidArgumentException::class );
$this->expectExceptionMessage( 'The pool must have sequential integer keys.' );
$pool[] = $connection;
$pool[0] = $connection;
}
public function testOffsetSetWithStringKey(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'string-key-connection' );
$this->expectException( InvalidArgumentException::class );
$this->expectExceptionMessage( 'The pool must have sequential integer keys.' );
$pool['invalid'] = $connection;
}
public function testOffsetSetWithNonConnection(): void {
$pool = new ConnectionPool();
$pool[] = 'not-a-connection';
self::assertCount( 0, $pool );
}
public function testOffsetSetWithInvalidConnection(): void {
$pool = new ConnectionPool();
$pool[] = $this->createInvalidConnection();
self::assertCount( 0, $pool );
}
public function testOffsetSetPreventsDuplicateIds(): void {
$pool = new ConnectionPool();
$connection1 = $this->createValidConnection( 'duplicate-id' );
$connection2 = $this->createValidConnection( 'duplicate-id' );
$pool[] = $connection1;
$pool[] = $connection2;
self::assertCount( 1, $pool );
self::assertSame( $connection1, $pool[0] );
self::assertFalse( $pool->offsetExists( 1 ) );
}
public function testOffsetSetWithDifferentIds(): void {
$pool = new ConnectionPool();
$connection1 = $this->createValidConnection( 'first-id' );
$connection2 = $this->createValidConnection( 'second-id' );
$pool[] = $connection1;
$pool[] = $connection2;
self::assertCount( 2, $pool );
self::assertSame( $connection1, $pool[0] );
self::assertSame( $connection2, $pool[1] );
}
public function testKeyReturnsValidInteger(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'key-test' );
$pool[] = $connection;
self::assertSame( 0, $pool->key() );
}
public function testHasNextWithSingleItem(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'single-item' );
$pool[] = $connection;
$pool->rewind();
self::assertFalse( $pool->hasNext() );
}
public function testHasNextWithMultipleItems(): void {
$pool = new ConnectionPool();
$connection1 = $this->createValidConnection( 'first' );
$connection2 = $this->createValidConnection( 'second' );
$pool[] = $connection1;
$pool[] = $connection2;
$pool->rewind();
self::assertTrue( $pool->hasNext() );
$pool->next();
self::assertFalse( $pool->hasNext() );
}
public function testHasNextWithEmptyPool(): void {
$pool = new ConnectionPool();
self::assertFalse( $pool->hasNext() );
}
public function testIteratorFunctionality(): void {
$pool = new ConnectionPool();
$connection1 = $this->createValidConnection( 'iter-first' );
$connection2 = $this->createValidConnection( 'iter-second' );
$connection3 = $this->createValidConnection( 'iter-third' );
$pool[] = $connection1;
$pool[] = $connection2;
$pool[] = $connection3;
$iterations = 0;
$connections = [];
foreach ( $pool as $key => $connection ) {
++$iterations;
$connections[ $key ] = $connection;
}
self::assertSame( 3, $iterations );
self::assertCount( 3, $connections );
self::assertSame( $connection1, $connections[0] );
self::assertSame( $connection2, $connections[1] );
self::assertSame( $connection3, $connections[2] );
}
public function testCountFunctionality(): void {
$pool = new ConnectionPool();
self::assertCount( 0, $pool );
$connection1 = $this->createValidConnection( 'count-first' );
$pool[] = $connection1;
self::assertCount( 1, $pool );
$connection2 = $this->createValidConnection( 'count-second' );
$pool[] = $connection2;
self::assertCount( 2, $pool );
}
public function testArrayAccessFunctionalityWithExplicitKey(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'array-access-connection' );
$this->expectException( InvalidArgumentException::class );
$this->expectExceptionMessage( 'Overriding connections is not allowed.' );
$pool[0] = $connection;
}
public function testArrayAccessFunctionalityWithImplicitKey(): void {
$pool = new ConnectionPool();
$connection = $this->createValidConnection( 'array-access-connection' );
$pool[] = $connection;
self::assertTrue( isset( $pool[0] ) );
self::assertSame( $connection, $pool[0] );
unset( $pool[0] );
self::assertFalse( isset( $pool[0] ) );
self::assertCount( 0, $pool );
}
private function createValidConnection( string $id = 'test-id' ): ConnectorSMTP {
$data = [
'id' => $id,
'name' => 'Test Provider',
'description' => 'A test SMTP provider',
'from_email' => '[email protected]',
'from_name' => 'Test Sender',
'smtp_host' => 'smtp.example.com',
'smtp_port' => '587',
'smtp_auth' => 'yes',
'smtp_username' => 'user',
'smtp_password' => 'pass',
'smtp_secure' => 'tls',
'is_active' => true,
];
return new ConnectorSMTP( $data );
}
private function createInvalidConnection(): ConnectorSMTP {
// Create a connection with missing required fields to make validation fail
$data = [
'id' => 'invalid-id',
];
return new ConnectorSMTP( $data );
}
}
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