function UpdateScriptTest::testRequirements

Tests that requirements warnings and errors are correctly displayed.

File

drupal/core/modules/system/lib/Drupal/system/Tests/Update/UpdateScriptTest.php, line 76
Definition of Drupal\system\Tests\Update\UpdateScriptTest.

Class

UpdateScriptTest
Tests the update system functionality.

Namespace

Drupal\system\Tests\Update

Code

function testRequirements() {
  $update_script_test_config = config('update_script_test.settings');
  $this
    ->drupalLogin($this->update_user);

  // If there are no requirements warnings or errors, we expect to be able to
  // go through the update process uninterrupted.
  $this
    ->drupalGet($this->update_url, array(
    'external' => TRUE,
  ));
  $this
    ->drupalPost(NULL, array(), t('Continue'));
  $this
    ->assertText(t('No pending updates.'), 'End of update process was reached.');

  // Confirm that all caches were cleared.
  $this
    ->assertText(t('hook_cache_flush() invoked for update_script_test.module.'), 'Caches were cleared when there were no requirements warnings or errors.');

  // If there is a requirements warning, we expect it to be initially
  // displayed, but clicking the link to proceed should allow us to go
  // through the rest of the update process uninterrupted.
  // First, run this test with pending updates to make sure they can be run
  // successfully.
  $update_script_test_config
    ->set('requirement_type', REQUIREMENT_WARNING)
    ->save();
  drupal_set_installed_schema_version('update_script_test', drupal_get_installed_schema_version('update_script_test') - 1);
  $this
    ->drupalGet($this->update_url, array(
    'external' => TRUE,
  ));
  $this
    ->assertText('This is a requirements warning provided by the update_script_test module.');
  $this
    ->clickLink('try again');
  $this
    ->assertNoText('This is a requirements warning provided by the update_script_test module.');
  $this
    ->drupalPost(NULL, array(), t('Continue'));
  $this
    ->drupalPost(NULL, array(), 'Apply pending updates');
  $this
    ->assertText(t('The update_script_test_update_8000() update was executed successfully.'), 'End of update process was reached.');

  // Confirm that all caches were cleared.
  $this
    ->assertText(t('hook_cache_flush() invoked for update_script_test.module.'), 'Caches were cleared after resolving a requirements warning and applying updates.');

  // Now try again without pending updates to make sure that works too.
  $this
    ->drupalGet($this->update_url, array(
    'external' => TRUE,
  ));
  $this
    ->assertText('This is a requirements warning provided by the update_script_test module.');
  $this
    ->clickLink('try again');
  $this
    ->assertNoText('This is a requirements warning provided by the update_script_test module.');
  $this
    ->drupalPost(NULL, array(), t('Continue'));
  $this
    ->assertText(t('No pending updates.'), 'End of update process was reached.');

  // Confirm that all caches were cleared.
  $this
    ->assertText(t('hook_cache_flush() invoked for update_script_test.module.'), 'Caches were cleared after applying updates and re-running the script.');

  // If there is a requirements error, it should be displayed even after
  // clicking the link to proceed (since the problem that triggered the error
  // has not been fixed).
  $update_script_test_config
    ->set('requirement_type', REQUIREMENT_ERROR)
    ->save();
  $this
    ->drupalGet($this->update_url, array(
    'external' => TRUE,
  ));
  $this
    ->assertText('This is a requirements error provided by the update_script_test module.');
  $this
    ->clickLink('try again');
  $this
    ->assertText('This is a requirements error provided by the update_script_test module.');
}