class NonPublicSchemaTest

class NonPublicSchemaTest extends DriverSpecificKernelTestBase {
    use DatabaseTestSchemaDataTrait;
    use DatabaseTestSchemaInstallTrait;
    
    /**
     * The database connection for testing.
     *
     * @var \Drupal\Core\Database\Connection
     */
    protected Connection $testingFakeConnection;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create a connection to the non-public schema.
        $info = Database::getConnectionInfo('default');
        $info['default']['schema'] = 'testing_fake';
        Database::getConnection()->query('CREATE SCHEMA IF NOT EXISTS testing_fake');
        Database::addConnectionInfo('default', 'testing_fake', $info['default']);
        $this->testingFakeConnection = Database::getConnection('testing_fake', 'default');
        $table_specification = [
            'description' => 'Schema table description may contain "quotes" and could be long—very long indeed.',
            'fields' => [
                'id' => [
                    'type' => 'serial',
                    'not null' => TRUE,
                ],
                'test_field' => [
                    'type' => 'int',
                    'not null' => TRUE,
                ],
            ],
            'primary key' => [
                'id',
            ],
        ];
        $this->testingFakeConnection
            ->schema()
            ->createTable('faking_table', $table_specification);
        $this->testingFakeConnection
            ->insert('faking_table')
            ->fields([
            'id' => '1',
            'test_field' => '123',
        ])
            ->execute();
        $this->testingFakeConnection
            ->insert('faking_table')
            ->fields([
            'id' => '2',
            'test_field' => '456',
        ])
            ->execute();
        $this->testingFakeConnection
            ->insert('faking_table')
            ->fields([
            'id' => '3',
            'test_field' => '789',
        ])
            ->execute();
    }
    
    /**
     * {@inheritdoc}
     */
    protected function tearDown() : void {
        // We overwrite this function because the regular teardown will not drop the
        // tables from a specified schema.
        $tables = $this->testingFakeConnection
            ->schema()
            ->findTables('%');
        foreach ($tables as $table) {
            if ($this->testingFakeConnection
                ->schema()
                ->dropTable($table)) {
                unset($tables[$table]);
            }
        }
        $this->assertEmpty($this->testingFakeConnection
            ->schema()
            ->findTables('%'));
        Database::removeConnection('testing_fake');
        parent::tearDown();
    }
    
    /**
     * @covers ::extensionExists
     * @covers ::tableExists
     */
    public function testExtensionExists() : void {
        // Check if PG_trgm extension is present.
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->extensionExists('pg_trgm'));
        // Asserting that the Schema testing_fake exist in the database.
        $this->assertCount(1, \Drupal::database()->query("SELECT * FROM pg_catalog.pg_namespace WHERE nspname = 'testing_fake'")
            ->fetchAll());
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->tableExists('faking_table'));
        // Hardcoded assertion that we created the table in the non-public schema.
        $this->assertCount(1, $this->testingFakeConnection
            ->query("SELECT * FROM pg_tables WHERE schemaname = 'testing_fake' AND tablename = :prefixedTable", [
            ':prefixedTable' => $this->testingFakeConnection
                ->getPrefix() . "faking_table",
        ])
            ->fetchAll());
    }
    
    /**
     * @covers ::addField
     * @covers ::fieldExists
     * @covers ::dropField
     * @covers ::changeField
     */
    public function testField() : void {
        $this->testingFakeConnection
            ->schema()
            ->addField('faking_table', 'added_field', [
            'type' => 'int',
            'not null' => FALSE,
        ]);
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->fieldExists('faking_table', 'added_field'));
        $this->testingFakeConnection
            ->schema()
            ->changeField('faking_table', 'added_field', 'changed_field', [
            'type' => 'int',
            'not null' => FALSE,
        ]);
        $this->assertFalse($this->testingFakeConnection
            ->schema()
            ->fieldExists('faking_table', 'added_field'));
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->fieldExists('faking_table', 'changed_field'));
        $this->testingFakeConnection
            ->schema()
            ->dropField('faking_table', 'changed_field');
        $this->assertFalse($this->testingFakeConnection
            ->schema()
            ->fieldExists('faking_table', 'changed_field'));
    }
    
    /**
     * @covers \Drupal\Core\Database\Connection::insert
     * @covers \Drupal\Core\Database\Connection::select
     */
    public function testInsert() : void {
        $num_records_before = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->testingFakeConnection
            ->insert('faking_table')
            ->fields([
            'id' => '123',
            'test_field' => '55',
        ])
            ->execute();
        // Testing that the insert is correct.
        $results = $this->testingFakeConnection
            ->select('faking_table')
            ->fields('faking_table')
            ->condition('id', '123')
            ->execute()
            ->fetchAll();
        $this->assertIsArray($results);
        $num_records_after = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->assertEquals($num_records_before + 1, $num_records_after, 'Merge inserted properly.');
        $this->assertSame('123', $results[0]->id);
        $this->assertSame('55', $results[0]->test_field);
    }
    
    /**
     * @covers \Drupal\Core\Database\Connection::update
     */
    public function testUpdate() : void {
        $updated_record = $this->testingFakeConnection
            ->update('faking_table')
            ->fields([
            'test_field' => 321,
        ])
            ->condition('id', 1)
            ->execute();
        $this->assertSame(1, $updated_record, 'Updated 1 record.');
        $updated_results = $this->testingFakeConnection
            ->select('faking_table')
            ->fields('faking_table')
            ->condition('id', '1')
            ->execute()
            ->fetchAll();
        $this->assertSame('321', $updated_results[0]->test_field);
    }
    
    /**
     * @covers \Drupal\Core\Database\Connection::upsert
     */
    public function testUpsert() : void {
        $num_records_before = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $upsert = $this->testingFakeConnection
            ->upsert('faking_table')
            ->key('id')
            ->fields([
            'id',
            'test_field',
        ]);
        // Upserting a new row.
        $upsert->values([
            'id' => '456',
            'test_field' => '444',
        ]);
        // Upserting an existing row.
        $upsert->values([
            'id' => '1',
            'test_field' => '898',
        ]);
        $result = $upsert->execute();
        $this->assertSame(2, $result, 'The result of the upsert operation should report that at exactly two rows were affected.');
        $num_records_after = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->assertEquals($num_records_before + 1, $num_records_after, 'Merge inserted properly.');
        // Check if new row has been added with upsert.
        $result = $this->testingFakeConnection
            ->query('SELECT * FROM {faking_table} WHERE [id] = :id', [
            ':id' => '456',
        ])
            ->fetch();
        $this->assertEquals('456', $result->id, 'ID set correctly.');
        $this->assertEquals('444', $result->test_field, 'test_field set correctly.');
        // Check if new row has been edited with upsert.
        $result = $this->testingFakeConnection
            ->query('SELECT * FROM {faking_table} WHERE [id] = :id', [
            ':id' => '1',
        ])
            ->fetch();
        $this->assertEquals('1', $result->id, 'ID set correctly.');
        $this->assertEquals('898', $result->test_field, 'test_field set correctly.');
    }
    
    /**
     * @covers \Drupal\Core\Database\Connection::merge
     */
    public function testMerge() : void {
        $num_records_before = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->testingFakeConnection
            ->merge('faking_table')
            ->key('id', '789')
            ->fields([
            'test_field' => 343,
        ])
            ->execute();
        $num_records_after = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->assertEquals($num_records_before + 1, $num_records_after, 'Merge inserted properly.');
        $merge_results = $this->testingFakeConnection
            ->select('faking_table')
            ->fields('faking_table')
            ->condition('id', '789')
            ->execute()
            ->fetchAll();
        $this->assertSame('789', $merge_results[0]->id);
        $this->assertSame('343', $merge_results[0]->test_field);
    }
    
    /**
     * @covers \Drupal\Core\Database\Connection::delete
     * @covers \Drupal\Core\Database\Connection::truncate
     */
    public function testDelete() : void {
        $num_records_before = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $num_deleted = $this->testingFakeConnection
            ->delete('faking_table')
            ->condition('id', 3)
            ->execute();
        $this->assertSame(1, $num_deleted, 'Deleted 1 record.');
        $num_records_after = $this->testingFakeConnection
            ->query('SELECT COUNT(*) FROM {faking_table}')
            ->fetchField();
        $this->assertEquals($num_records_before, $num_records_after + $num_deleted, 'Deletion adds up.');
        $num_records_before = $this->testingFakeConnection
            ->query("SELECT COUNT(*) FROM {faking_table}")
            ->fetchField();
        $this->assertNotEmpty($num_records_before);
        $this->testingFakeConnection
            ->truncate('faking_table')
            ->execute();
        $num_records_after = $this->testingFakeConnection
            ->query("SELECT COUNT(*) FROM {faking_table}")
            ->fetchField();
        $this->assertEquals(0, $num_records_after, 'Truncate really deletes everything.');
    }
    
    /**
     * @covers ::addIndex
     * @covers ::indexExists
     * @covers ::dropIndex
     */
    public function testIndex() : void {
        $this->testingFakeConnection
            ->schema()
            ->addIndex('faking_table', 'test_field', [
            'test_field',
        ], []);
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->indexExists('faking_table', 'test_field'));
        $results = $this->testingFakeConnection
            ->query("SELECT * FROM pg_indexes WHERE indexname = :indexname", [
            ':indexname' => $this->testingFakeConnection
                ->getPrefix() . 'faking_table__test_field__idx',
        ])
            ->fetchAll();
        $this->assertCount(1, $results);
        $this->assertSame('testing_fake', $results[0]->schemaname);
        $this->assertSame($this->testingFakeConnection
            ->getPrefix() . 'faking_table', $results[0]->tablename);
        $this->assertStringContainsString('USING btree (test_field)', $results[0]->indexdef);
        $this->testingFakeConnection
            ->schema()
            ->dropIndex('faking_table', 'test_field');
        $this->assertFalse($this->testingFakeConnection
            ->schema()
            ->indexExists('faking_table', 'test_field'));
    }
    
    /**
     * @covers ::addUniqueKey
     * @covers ::indexExists
     * @covers ::dropUniqueKey
     */
    public function testUniqueKey() : void {
        $this->testingFakeConnection
            ->schema()
            ->addUniqueKey('faking_table', 'test_field', [
            'test_field',
        ]);
        // This should work, but currently indexExist() only searches for keys that end with idx.
        // @todo remove comments when: https://www.drupal.org/project/drupal/issues/3325358 is committed.
        // $this->assertTrue($this->testingFakeConnection->schema()->indexExists('faking_table', 'test_field'));
        $results = $this->testingFakeConnection
            ->query("SELECT * FROM pg_indexes WHERE indexname = :indexname", [
            ':indexname' => $this->testingFakeConnection
                ->getPrefix() . 'faking_table__test_field__key',
        ])
            ->fetchAll();
        // Check the unique key columns.
        $this->assertCount(1, $results);
        $this->assertSame('testing_fake', $results[0]->schemaname);
        $this->assertSame($this->testingFakeConnection
            ->getPrefix() . 'faking_table', $results[0]->tablename);
        $this->assertStringContainsString('USING btree (test_field)', $results[0]->indexdef);
        $this->testingFakeConnection
            ->schema()
            ->dropUniqueKey('faking_table', 'test_field');
        // This function will not work due to a the fact that indexExist() does not search for keys without idx tag.
        // @todo remove comments when: https://www.drupal.org/project/drupal/issues/3325358 is committed.
        // $this->assertFalse($this->testingFakeConnection->schema()->indexExists('faking_table', 'test_field'));
    }
    
    /**
     * @covers ::addPrimaryKey
     * @covers ::dropPrimaryKey
     */
    public function testPrimaryKey() : void {
        $this->testingFakeConnection
            ->schema()
            ->dropPrimaryKey('faking_table');
        $results = $this->testingFakeConnection
            ->query("SELECT * FROM pg_indexes WHERE schemaname = 'testing_fake'")
            ->fetchAll();
        $this->assertCount(0, $results);
        $this->testingFakeConnection
            ->schema()
            ->addPrimaryKey('faking_table', [
            'id',
        ]);
        $results = $this->testingFakeConnection
            ->query("SELECT * FROM pg_indexes WHERE schemaname = 'testing_fake'")
            ->fetchAll();
        $this->assertCount(1, $results);
        $this->assertSame('testing_fake', $results[0]->schemaname);
        $this->assertSame($this->testingFakeConnection
            ->getPrefix() . 'faking_table', $results[0]->tablename);
        $this->assertStringContainsString('USING btree (id)', $results[0]->indexdef);
        $find_primary_keys_columns = new \ReflectionMethod(get_class($this->testingFakeConnection
            ->schema()), 'findPrimaryKeyColumns');
        $results = $find_primary_keys_columns->invoke($this->testingFakeConnection
            ->schema(), 'faking_table');
        $this->assertCount(1, $results);
        $this->assertSame('id', $results[0]);
    }
    
    /**
     * @covers ::renameTable
     * @covers ::tableExists
     * @covers ::findTables
     * @covers ::dropTable
     */
    public function testTable() : void {
        $this->testingFakeConnection
            ->schema()
            ->renameTable('faking_table', 'new_faking_table');
        $tables = $this->testingFakeConnection
            ->schema()
            ->findTables('%');
        $result = $this->testingFakeConnection
            ->query("SELECT * FROM information_schema.tables WHERE table_schema = 'testing_fake'")
            ->fetchAll();
        $this->assertFalse($this->testingFakeConnection
            ->schema()
            ->tableExists('faking_table'));
        $this->assertTrue($this->testingFakeConnection
            ->schema()
            ->tableExists('new_faking_table'));
        $this->assertEquals($this->testingFakeConnection
            ->getPrefix() . 'new_faking_table', $result[0]->table_name);
        $this->assertEquals('testing_fake', $result[0]->table_schema);
        sort($tables);
        $this->assertEquals([
            'new_faking_table',
        ], $tables);
        $this->testingFakeConnection
            ->schema()
            ->dropTable('new_faking_table');
        $this->assertFalse($this->testingFakeConnection
            ->schema()
            ->tableExists('new_faking_table'));
        $this->assertCount(0, $this->testingFakeConnection
            ->query("SELECT * FROM information_schema.tables WHERE table_schema = 'testing_fake'")
            ->fetchAll());
    }

}