trait UpdateTestTrait

trait UpdateTestTrait {
    
    /**
     * Sets information about installed extensions.
     *
     * @param string[][] $installed_extensions
     *   An array containing mocked installed extensions info. Keys are
     *   extension names, values are arrays containing key-value pairs that would
     *   be present in extensions' *.info.yml files.
     *   For a list of accepted keys, see InfoParserInterface. Key-value pairs not
     *   present here will be inherited from $default_info.
     *   For example:
     *
     * @code
     *   'drupal' => [
     *     'project' => 'drupal',
     *     'version' => '8.0.0',
     *     'hidden' => FALSE,
     *   ]
     * @endcode
     *
     * @throws \Exception
     */
    protected function mockInstalledExtensionsInfo(array $installed_extensions) : void {
        if (in_array('#all', array_keys($installed_extensions), TRUE)) {
            throw new \Exception("#all (default value) shouldn't be set here instead use ::mockDefaultExtensionsInfo().");
        }
        $system_info = $this->config('update_test.settings')
            ->get('system_info');
        $system_info = $installed_extensions + $system_info;
        $this->config('update_test.settings')
            ->set('system_info', $system_info)
            ->save();
    }
    
    /**
     * Sets default information about installed extensions.
     *
     * @param string[] $default_info
     *   The *.info.yml key-value pairs to be mocked across all
     *   extensions. Hence, these can be seen as default/fallback values.
     */
    protected function mockDefaultExtensionsInfo(array $default_info) : void {
        $system_info = $this->config('update_test.settings')
            ->get('system_info');
        $system_info = [
            '#all' => $default_info,
        ] + $system_info;
        $this->config('update_test.settings')
            ->set('system_info', $system_info)
            ->save();
    }
    
    /**
     * Sets available release history.
     *
     * @param string[] $release_history
     *   The release history XML files to use for particular extension(s). The
     *   keys are the extension names (use 'drupal' for Drupal core itself), and
     *   the values are the suffix of the release history XML file to use. For
     *   example, @code 'drupal' => 'sec.8.0.2' @endcode will map to a file called
     *   drupal.sec.8.0.2.xml. Look at
     *   core/modules/update/tests/fixtures/release-history for more release
     *   history XML examples.
     */
    protected function mockReleaseHistory(array $release_history) : void {
        $this->config('update_test.settings')
            ->set('xml_map', $release_history)
            ->save();
    }

}