WP-Browser/Codeception module to install a requested WordPress version

WpVersion.php

<?php

namespace Helper;

class WpVersion extends \Codeception\Module {

	use \tad\WPBrowser\Traits\WithWpCli;

	public function _initialize() {
		parent::_initialize();

		$this->setUpWpCli( $this->config['path'] );
	}

	public function _beforeSuite( $settings = [] ) {
		if ( ! empty( $this->config['version'] ) ) {
			$this->install( trim( $this->config['version'], " \t\n\r\0\x0B'\"" ) );
		}
	}

	protected function install( $version ) {
		$this->debugSection( 'WpVersion', sprintf( 'Installing WordPress %s', $version ) );

		try {
			$process = $this->runCommand( 'core', 'update', '--version=' . $version );

			if ( ! $process->isSuccessful() ) {
				throw new \Codeception\Exception\ModuleException( $this, sprintf(
					'Failed to install WordPress %s: %s',
					$version,
					$process->getErrorOutput() ?: $process->getOutput()
				) );
			}

			echo sprintf( 'Installed WordPress: %s', $version ) . PHP_EOL;
		} catch ( \Exception $e ) {
			throw new \Codeception\Exception\ModuleException( $this, $e->getMessage() );
		}
	}

	protected function runCommand( ...$user_command ) {
		$options = [];

		if ( ! empty( $this->config['allow-root'] ) ) {
			$options[] = '--allow-root';
		}

		$command = array_merge( $options, $user_command );

		$this->debugSection( 'WpVersion', $command );

		$process = $this->executeWpCliCommand( $command, null );
		$out     = $process->getOutput() ?: $process->getErrorOutput();
		$this->debugSection( 'WpVersion', $out );

		return $process;
	}
}