94 lines
3.0 KiB
PHP
94 lines
3.0 KiB
PHP
<?php
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namespace Drupal\KernelTests;
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use Drupal\Component\Diff\Diff;
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/**
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* Trait to help with diffing config.
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*/
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trait AssertConfigTrait {
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/**
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* Ensures that a specific config diff does not contain unwanted changes.
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*
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* @param \Drupal\Component\Diff\Diff $result
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* The diff result for the passed in config name.
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* @param string $config_name
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* The config name to check.
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* @param array $skipped_config
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* An array of skipped config, keyed by string. If the value is TRUE, the
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* entire file will be ignored, otherwise it's an array of strings which are
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* ignored.
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*
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* @throws \Exception
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* Thrown when a configuration is different.
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*/
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protected function assertConfigDiff(Diff $result, $config_name, array $skipped_config) {
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foreach ($result->getEdits() as $op) {
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switch (get_class($op)) {
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case 'Drupal\Component\Diff\Engine\DiffOpCopy':
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// Nothing to do, a copy is what we expect.
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break;
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case 'Drupal\Component\Diff\Engine\DiffOpDelete':
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case 'Drupal\Component\Diff\Engine\DiffOpChange':
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// It is not part of the skipped config, so we can directly throw the
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// exception.
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if (!in_array($config_name, array_keys($skipped_config))) {
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throw new \Exception($config_name . ': ' . var_export($op, TRUE));
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}
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// Allow to skip entire config files.
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if ($skipped_config[$config_name] === TRUE) {
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break;
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}
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// Allow to skip some specific lines of imported config files.
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// Ensure that the only changed lines are the ones we marked as
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// skipped.
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$all_skipped = TRUE;
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$changes = get_class($op) == 'Drupal\Component\Diff\Engine\DiffOpDelete' ? $op->orig : $op->closing;
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foreach ($changes as $closing) {
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// Skip some of the changes, as they are caused by module install
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// code.
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$found = FALSE;
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if (!empty($skipped_config[$config_name])) {
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foreach ($skipped_config[$config_name] as $line) {
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if (strpos($closing, $line) !== FALSE) {
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$found = TRUE;
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break;
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}
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}
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}
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$all_skipped = $all_skipped && $found;
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}
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if (!$all_skipped) {
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throw new \Exception($config_name . ': ' . var_export($op, TRUE));
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}
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break;
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case 'Drupal\Component\Diff\Engine\DiffOpAdd':
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// The _core property does not exist in the default config.
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if ($op->closing[0] === '_core:') {
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break;
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}
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foreach ($op->closing as $closing) {
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// The UUIDs don't exist in the default config.
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if (strpos($closing, 'uuid: ') === 0) {
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break;
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}
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throw new \Exception($config_name . ': ' . var_export($op, TRUE));
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}
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break;
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default:
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throw new \Exception($config_name . ': ' . var_export($op, TRUE));
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}
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}
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}
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}
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